Bump github.com/prometheus/client_golang from 1.19.0 to 1.19.1 (#181 )

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.19.0 to 1.19.1. - [Release notes](https://github.com/prometheus/client_golang/releases) - [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md) - [Commits](https://github.com/prometheus/client_golang/compare/v1.19.0...v1.19.1) --- updated-dependencies: - dependency-name: github.com/prometheus/client_golang dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Bump golang.org/x/crypto from 0.22.0 to 0.25.0 (#188 )
2026-02-16 10:39:54 +00:00 · 2024-09-03 16:40:23 +01:00 · 2024-09-03 16:39:44 +01:00 · 2024-04-28 18:54:55 +01:00 · 2024-04-28 18:16:04 +01:00 · 2024-04-28 17:44:52 +01:00
2229 changed files with 1811 additions and 818686 deletions
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -1,24 +0,0 @@
-name: build
-on: [push, pull_request]
-jobs:
-  build:
-    name: build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - name: Build the Docker image
-        run: docker build .
-      - name: Set up Go
-        uses: actions/setup-go@v1
-        with:
-          go-version: 1.15.x
-      - name: Build release snapshot
-        run: make snapshot
-      - name: Archive release snapshot
-        uses: actions/upload-artifact@v2
-        with:
-          name: release-snapshot
-          path: |
-            bin/*.tar.gz
-            bin/*.txt
-            bin/*.yaml
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -9,13 +9,25 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+
      - name: Unshallow
        run: git fetch --prune --unshallow
+
+      - name: Set up Qemu
+        uses: docker/setup-qemu-action@v3
+
      - name: Set up Go
-        uses: actions/setup-go@v1
+        uses: actions/setup-go@v5
        with:
-          go-version: 1.15.x
+          go-version: 1.22.x
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
      - name: Release with GoReleaser
        run: make release
        env:
--- a/.github/workflows/test-and-snapshot.yaml
+++ b/.github/workflows/test-and-snapshot.yaml
@@ -0,0 +1,48 @@
+name: test-and-snapshot
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22.x
+
+      - name: Test
+        run: make test
+
+  snapshot:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Qemu
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22.x
+
+      - name: Build release snapshot
+        run: make snapshot
+
+      - name: Archive release snapshot
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-snapshot
+          path: |
+            bin/*.tar.gz
+            bin/*.txt
+            bin/*.yaml
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -8,16 +8,55 @@ builds:
      - darwin
      - windows
    goarch:
+      - "386"
      - amd64
+      - arm
+      - arm64
+      - mips64le
    flags:
      - -v
    ldflags: |
-      -X github.com/prometheus/common/version.Version={{.Env.APP_VERSION}}
-      -X github.com/prometheus/common/version.Revision={{.Env.APP_REVISION}}
+      -X github.com/prometheus/common/version.Version={{.Version}}
+      -X github.com/prometheus/common/version.Revision={{.Commit}}
      -X github.com/prometheus/common/version.Branch={{.Env.APP_BRANCH}}
      -X github.com/prometheus/common/version.BuildUser={{.Env.APP_USER}}@{{.Env.APP_HOST}}
-      -X github.com/prometheus/common/version.BuildDate={{.Env.APP_BUILD_DATE}}
+      -X github.com/prometheus/common/version.BuildDate={{.Date}}
 release:
  github:
    owner: ribbybibby
    name: ssl_exporter
+dockers:
+  - image_templates:
+      - "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}-amd64"
+    dockerfile: Dockerfile
+    use: buildx
+    build_flag_templates:
+      - "--pull"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.name={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.source={{.GitURL}}"
+      - "--platform=linux/amd64"
+  - image_templates:
+      - "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}-arm64"
+    dockerfile: Dockerfile
+    use: buildx
+    build_flag_templates:
+      - "--pull"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.name={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.source={{.GitURL}}"
+      - "--platform=linux/arm64"
+    goarch: arm64
+docker_manifests:
+  - name_template: "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}"
+    image_templates:
+      - "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}-amd64"
+      - "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}-arm64"
+  - name_template: "{{.Env.APP_DOCKER_IMAGE_NAME}}:latest"
+    image_templates:
+      - "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}-amd64"
+      - "{{.Env.APP_DOCKER_IMAGE_NAME}}:{{.Version}}-arm64"
--- a/20
+++ b/20
@@ -1,20 +1,16 @@
-FROM golang:1.15-buster AS build
-
-ADD . /tmp/ssl_exporter
-
-RUN cd /tmp/ssl_exporter && \
-    echo "ssl:*:100:ssl" > group && \
-    echo "ssl:*:100:100::/:/ssl_exporter" > passwd && \
-    make
+FROM alpine:3.15 as build
+RUN apk --update add ca-certificates
+RUN echo "ssl:*:100:ssl" > /tmp/group && \
+    echo "ssl:*:100:100::/:/ssl_exporter" > /tmp/passwd


 FROM scratch

-COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-COPY --from=build /tmp/ssl_exporter/group \
-    /tmp/ssl_exporter/passwd \
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=build /tmp/group \
+    /tmp/passwd \
    /etc/
-COPY --from=build /tmp/ssl_exporter/ssl_exporter /
+COPY ssl_exporter /

 USER ssl:ssl
 EXPOSE 9219/tcp
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -0,0 +1,21 @@
+FROM golang:1.18-buster AS build
+
+ADD . /tmp/ssl_exporter
+
+RUN cd /tmp/ssl_exporter && \
+    echo "ssl:*:100:ssl" > group && \
+    echo "ssl:*:100:100::/:/ssl_exporter" > passwd && \
+    make
+
+
+FROM scratch
+
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=build /tmp/ssl_exporter/group \
+    /tmp/ssl_exporter/passwd \
+    /etc/
+COPY --from=build /tmp/ssl_exporter/ssl_exporter /
+
+USER ssl:ssl
+EXPOSE 9219/tcp
+ENTRYPOINT ["/ssl_exporter"]
--- a/24
+++ b/24
@@ -8,18 +8,16 @@ DOCKER_IMAGE_TAG    ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
 # Race detector is only supported on amd64.
 RACE := $(shell test $$(go env GOARCH) != "amd64" || (echo "-race"))

-export APP_HOST        ?= $(shell hostname)
-export APP_BRANCH      ?= $(shell git describe --all --contains --dirty HEAD)
-export APP_VERSION     := $(shell cat VERSION)
-export APP_REVISION    := $(shell git rev-parse HEAD)
-export APP_USER        := $(shell id -u --name)
-export APP_BUILD_DATE  := $(shell date '+%Y%m%d-%H:%M:%S')
+export APP_HOST              ?= $(shell hostname)
+export APP_BRANCH            ?= $(shell git describe --all --contains --dirty HEAD)
+export APP_USER              := $(shell id -u --name)
+export APP_DOCKER_IMAGE_NAME := ribbybibby/$(DOCKER_IMAGE_NAME)

 all: clean format vet build test

 style:
 	@echo ">> checking code style"
-	@! gofmt -s -d $(shell find . -path ./vendor -prune -o -name '*.go' -print) | grep '^'
+	@! gofmt -s -d . | grep '^'

 test:
 	@echo ">> running tests"
@@ -36,20 +34,20 @@ vet:
 build:
 	@echo ">> building binary"
 	@CGO_ENABLED=0 go build -v \
-		-ldflags "-X github.com/prometheus/common/version.Version=$(APP_VERSION) \
-		-X github.com/prometheus/common/version.Revision=$(APP_REVISION) \
+		-ldflags "-X github.com/prometheus/common/version.Version=dev \
+		-X github.com/prometheus/common/version.Revision=$(shell git rev-parse HEAD) \
 		-X github.com/prometheus/common/version.Branch=$(APP_BRANCH) \
 		-X github.com/prometheus/common/version.BuildUser=$(APP_USER)@$(APP_HOST) \
-		-X github.com/prometheus/common/version.BuildDate=$(APP_BUILD_DATE)\
+		-X github.com/prometheus/common/version.BuildDate=$(shell date '+%Y%m%d-%H:%M:%S') \
 		" \
 		-o $(BIN_NAME) .

 docker:
 	@echo ">> building docker image"
-	@docker build -t "$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" .
+	@docker build -t "$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" -f Dockerfile.local .

 $(GOPATH)/bin/goreleaser:
-	@curl -sfL https://install.goreleaser.com/github.com/goreleaser/goreleaser.sh | BINDIR=$(GOPATH)/bin sh
+	@go install github.com/goreleaser/goreleaser@v1.2.2

 snapshot: $(GOPATH)/bin/goreleaser
 	@echo ">> building snapshot"
@@ -63,4 +61,4 @@ clean:
 	@rm -Rf $(BIN_DIR)
 	@rm -Rf $(BIN_NAME)

-.PHONY: all style test format vet build docker snapshot release clean
+.PHONY: all style test format vet build docker snapshot release clean
--- a/README.md
+++ b/README.md
@@ -1,34 +1,15 @@
 # SSL Certificate Exporter

-Exports metrics for certificates collected from TCP probes, local files or
-Kubernetes secrets. The metrics are labelled with fields from the certificate,
-which allows for informational dashboards and flexible alert routing.
+Exports metrics for certificates collected from various sources:
+- [TCP probes](#tcp)
+- [HTTPS probes](#https)
+- [PEM files](#file)
+- [Remote PEM files](#http_file)
+- [Kubernetes secrets](#kubernetes)
+- [Kubeconfig files](#kubeconfig)

-## Table of Contents
-
- [SSL Certificate Exporter](#ssl-certificate-exporter)
-  - [Table of Contents](#table-of-contents)
-  - [Building](#building)
-    - [Docker](#docker)
-    - [Release process](#release-process)
-  - [Usage](#usage)
-  - [Metrics](#metrics)
-  - [Configuration](#configuration)
-    - [TCP](#tcp)
-    - [HTTPS](#https)
-    - [File](#file)
-    - [Kubernetes](#kubernetes)
-  - [Configuration file](#configuration-file)
-    - [&lt;module&gt;](#module)
-    - [&lt;tls_config&gt;](#tls_config)
-    - [&lt;https_probe&gt;](#https_probe)
-    - [&lt;tcp_probe&gt;](#tcp_probe)
-    - [&lt;kubernetes_probe&gt;](#kubernetes_probe)
-  - [Example Queries](#example-queries)
-  - [Peer Certificates vs Verified Chain Certificates](#peer-certificates-vs-verified-chain-certificates)
-  - [Grafana](#grafana)
-
-Created by [gh-md-toc](https://github.com/ekalinin/github-markdown-toc)
+The metrics are labelled with fields from the certificate, which allows for
+informational dashboards and flexible alert routing.

 ## Building

@@ -42,16 +23,14 @@ metric indicates if the probe has been successful.

 ### Docker

-    docker pull ribbybibby/ssl-exporter
    docker run -p 9219:9219 ribbybibby/ssl-exporter:latest <flags>

 ### Release process

- Update the `VERSION` file in this repository and commit to master
- [This github action](.github/workflows/release.yaml) will add a changelog and
-  upload binaries in response to a release being created in Github
- Dockerhub will build and tag a new container image in response to tags of the
-  format `/^v[0-9.]+$/`
+- Create a release in Github with a semver tag and GH actions will:
+  - Add a changelog
+  - Upload binaries
+  - Build and push a Docker image

 ## Usage

@@ -86,6 +65,8 @@ Flags:
 | ssl_file_cert_not_before       | The date before which a certificate found by the file prober is not valid. Expressed as a Unix Epoch Time.       | file, serial_no, issuer_cn, cn, dnsnames, ips, emails, ou                   | file       |
 | ssl_kubernetes_cert_not_after  | The date after which a certificate found by the kubernetes prober expires. Expressed as a Unix Epoch Time.       | namespace, secret, key, serial_no, issuer_cn, cn, dnsnames, ips, emails, ou | kubernetes |
 | ssl_kubernetes_cert_not_before | The date before which a certificate found by the kubernetes prober is not valid. Expressed as a Unix Epoch Time. | namespace, secret, key, serial_no, issuer_cn, cn, dnsnames, ips, emails, ou | kubernetes |
+| ssl_kubeconfig_cert_not_after  | The date after which a certificate found by the kubeconfig prober expires. Expressed as a Unix Epoch Time.       | kubeconfig, name, type, serial_no, issuer_cn, cn, dnsnames, ips, emails, ou | kubeconfig |
+| ssl_kubeconfig_cert_not_before | The date before which a certificate found by the kubeconfig prober is not valid. Expressed as a Unix Epoch Time. | kubeconfig, name, type, serial_no, issuer_cn, cn, dnsnames, ips, emails, ou | kubeconfig |
 | ssl_ocsp_response_next_update  | The nextUpdate value in the OCSP response. Expressed as a Unix Epoch Time                                        |                                                                             | tcp, https |
 | ssl_ocsp_response_produced_at  | The producedAt value in the OCSP response. Expressed as a Unix Epoch Time                                        |                                                                             | tcp, https |
 | ssl_ocsp_response_revoked_at   | The revocationTime value in the OCSP response. Expressed as a Unix Epoch Time                                    |                                                                             | tcp, https |
@@ -150,7 +131,7 @@ scrape_configs:
 ```

 This will use proxy servers discovered by the environment variables `HTTP_PROXY`,
-`HTTPS_PROXY` and `ALL_PROXY`. Or, you can set the `proxy_url` option in the module
+`HTTPS_PROXY` and `ALL_PROXY`. Or, you can set the `https.proxy_url` option in the module
 configuration.

 The latter takes precedence.
@@ -195,6 +176,44 @@ scrape_configs:
        replacement: ${1}:9219
 ```

+### HTTP File
+
+The `http_file` prober exports `ssl_cert_not_after` and
+`ssl_cert_not_before` for PEM encoded certificates found at the
+specified URL.
+
+```
+curl "localhost:9219/probe?module=http_file&target=https://www.paypalobjects.com/marketing/web/logos/paypal_com.pem"
+```
+
+Here's a sample Prometheus configuration:
+
+```yml
+scrape_configs:
+  - job_name: 'ssl-http-files'
+    metrics_path: /probe
+    params:
+      module: ["http_file"]
+    static_configs:
+      - targets:
+        - 'https://www.paypalobjects.com/marketing/web/logos/paypal_com.pem'
+        - 'https://d3frv9g52qce38.cloudfront.net/amazondefault/amazon_web_services_inc_2024.pem'
+    relabel_configs:
+      - source_labels: [__address__]
+        target_label: __param_target
+      - source_labels: [__param_target]
+        target_label: instance
+      - target_label: __address__
+        replacement: 127.0.0.1:9219
+```
+
+For proxying to the target resource, this prober will use proxy servers
+discovered in the environment variables `HTTP_PROXY`, `HTTPS_PROXY` and
+`ALL_PROXY`. Or, you can set the `http_file.proxy_url` option in the module
+configuration.
+
+The latter takes precedence.
+
 ### Kubernetes

 The `kubernetes` prober exports `ssl_kubernetes_cert_not_after` and
@@ -229,6 +248,55 @@ sources in the following order:
 - The default configuration file (`$HOME/.kube/config`)
 - The in-cluster environment, if running in a pod

+```yml
+- job_name: "ssl-kubernetes"
+  metrics_path: /probe
+  params:
+    module: ["kubernetes"]
+  static_configs:
+   - targets:
+      - "test-namespace/nginx-cert"
+  relabel_configs:
+   - source_labels: [ __address__ ]
+     target_label: __param_target
+   - source_labels: [ __param_target ]
+     target_label: instance
+   - target_label: __address__
+     replacement: 127.0.0.1:9219
+```
+
+### Kubeconfig
+
+The `kubeconfig` prober exports `ssl_kubeconfig_cert_not_after` and
+`ssl_kubeconfig_cert_not_before` for PEM encoded certificates found in the specified kubeconfig file.
+
+Kubeconfigs local to the exporter can be scraped by providing them as the target
+parameter:
+
+```
+curl "localhost:9219/probe?module=kubeconfig&target=/etc/kubernetes/admin.conf"
+```
+
+One specific usage of this prober could be to run the exporter as a DaemonSet in
+Kubernetes and then scrape each instance to check the expiry of certificates on
+each node:
+
+```yml
+scrape_configs:
+  - job_name: "ssl-kubernetes-kubeconfig"
+    metrics_path: /probe
+    params:
+      module: ["kubeconfig"]
+      target: ["/etc/kubernetes/admin.conf"]
+    kubernetes_sd_configs:
+      - role: node
+    relabel_configs:
+      - source_labels: [__address__]
+        regex: ^(.*):(.*)$
+        target_label: __address__
+        replacement: ${1}:9219
+```
+
 ## Configuration file

 You can provide further module configuration by providing the path to a
@@ -236,15 +304,24 @@ configuration file with `--config.file`. The file is written in yaml format,
 defined by the schema below.

 ```
+# The default module to use. If omitted, then the module must be provided by the
+# 'module' query parameter
+default_module: <string>
+
+# Module configuration
 modules: [<module>]
 ```

 ### \<module\>

 ```
-# The type of probe (https, tcp, file, kubernetes)
+# The type of probe (https, tcp, file, kubernetes, kubeconfig)
 prober: <prober_string>

+# The probe target. If set, then the 'target' query parameter is ignored.
+# If omitted, then the 'target' query parameter is required.
+target: <string>
+
 # How long the probe will wait before giving up.
 [ timeout: <duration> ]

@@ -255,6 +332,7 @@ prober: <prober_string>
 [ https: <https_probe> ]
 [ tcp: <tcp_probe> ]
 [ kubernetes: <kubernetes_probe> ]
+[ http_file: <http_file_probe> ]
 ```

 ### <tls_config>
@@ -263,6 +341,10 @@ prober: <prober_string>
 # Disable target certificate validation.
 [ insecure_skip_verify: <boolean> | default = false ]

+# Configure TLS renegotiation support.
+# Valid options: never, once, freely
+[ renegotiation: <string> | default = never ]
+
 # The CA cert to use for the targets.
 [ ca_file: <filename> ]

@@ -286,7 +368,7 @@ prober: <prober_string>
 ### <tcp_probe>

 ```
-# Use the STARTTLS command before starting TLS for those protocols that support it (smtp, ftp, imap)
+# Use the STARTTLS command before starting TLS for those protocols that support it (smtp, ftp, imap, pop3, postgres)
 [ starttls: <string> ]
 ```

@@ -297,6 +379,13 @@ prober: <prober_string>
 [ kubeconfig: <string> ]
 ```

+### <http_file_probe>
+
+```
+# HTTP proxy server to use to connect to the targets.
+[ proxy_url: <string> ]
+```
+
 ## Example Queries

 Certificates that expire within 7 days:
@@ -366,5 +455,5 @@ trust.

 ## Grafana

-You can find a simple dashboard [here](grafana/dashboard.json) that tracks
+You can find a simple dashboard [here](contrib/grafana/dashboard.json) that tracks
 certificate expiration dates and target connection errors.
--- a/1
+++ b/1
@@ -1 +0,0 @@
-2.2.0
--- a/config/config.go
+++ b/config/config.go
@@ -1,12 +1,13 @@
 package config

 import (
+	"crypto/tls"
 	"fmt"
 	"net/url"
 	"os"
 	"time"

-	"github.com/prometheus/common/config"
+	pconfig "github.com/prometheus/common/config"
 	yaml "gopkg.in/yaml.v3"
 )

@@ -14,22 +15,29 @@ var (
 	// DefaultConfig is the default configuration that is used when no
 	// configuration file is provided
 	DefaultConfig = &Config{
-		map[string]Module{
-			"tcp": Module{
+		DefaultModule: "tcp",
+		Modules: map[string]Module{
+			"tcp": {
 				Prober: "tcp",
 			},
-			"http": Module{
+			"http": {
 				Prober: "https",
 			},
-			"https": Module{
+			"https": {
 				Prober: "https",
 			},
-			"file": Module{
+			"file": {
 				Prober: "file",
 			},
-			"kubernetes": Module{
+			"http_file": {
+				Prober: "http_file",
+			},
+			"kubernetes": {
 				Prober: "kubernetes",
 			},
+			"kubeconfig": {
+				Prober: "kubeconfig",
+			},
 		},
 	}
 )
@@ -55,17 +63,72 @@ func LoadConfig(confFile string) (*Config, error) {

 // Config configures the exporter
 type Config struct {
-	Modules map[string]Module `yaml:"modules"`
+	DefaultModule string            `yaml:"default_module"`
+	Modules       map[string]Module `yaml:"modules"`
 }

 // Module configures a prober
 type Module struct {
-	Prober     string           `yaml:"prober,omitempty"`
-	Timeout    time.Duration    `yaml:"timeout,omitempty"`
-	TLSConfig  config.TLSConfig `yaml:"tls_config,omitempty"`
-	HTTPS      HTTPSProbe       `yaml:"https,omitempty"`
-	TCP        TCPProbe         `yaml:"tcp,omitempty"`
-	Kubernetes KubernetesProbe  `yaml:"kubernetes,omitempty"`
+	Prober     string          `yaml:"prober,omitempty"`
+	Target     string          `yaml:"target,omitempty"`
+	Timeout    time.Duration   `yaml:"timeout,omitempty"`
+	TLSConfig  TLSConfig       `yaml:"tls_config,omitempty"`
+	HTTPS      HTTPSProbe      `yaml:"https,omitempty"`
+	TCP        TCPProbe        `yaml:"tcp,omitempty"`
+	Kubernetes KubernetesProbe `yaml:"kubernetes,omitempty"`
+	HTTPFile   HTTPFileProbe   `yaml:"http_file,omitempty"`
+}
+
+// TLSConfig is a superset of config.TLSConfig that supports TLS renegotiation
+type TLSConfig struct {
+	CAFile             string `yaml:"ca_file,omitempty"`
+	CertFile           string `yaml:"cert_file,omitempty"`
+	KeyFile            string `yaml:"key_file,omitempty"`
+	ServerName         string `yaml:"server_name,omitempty"`
+	InsecureSkipVerify bool   `yaml:"insecure_skip_verify"`
+	// Renegotiation controls what types of TLS renegotiation are supported.
+	// Supported values: never (default), once, freely.
+	Renegotiation renegotiation `yaml:"renegotiation,omitempty"`
+}
+
+type renegotiation tls.RenegotiationSupport
+
+func (r *renegotiation) UnmarshalYAML(unmarshal func(interface{}) error) error {
+	var v string
+	if err := unmarshal(&v); err != nil {
+		return err
+	}
+	switch v {
+	case "", "never":
+		*r = renegotiation(tls.RenegotiateNever)
+	case "once":
+		*r = renegotiation(tls.RenegotiateOnceAsClient)
+	case "freely":
+		*r = renegotiation(tls.RenegotiateFreelyAsClient)
+	default:
+		return fmt.Errorf("unsupported TLS renegotiation type %s", v)
+	}
+
+	return nil
+}
+
+// NewTLSConfig creates a new tls.Config from the given TLSConfig,
+// plus our local extensions
+func NewTLSConfig(cfg *TLSConfig) (*tls.Config, error) {
+	tlsConfig, err := pconfig.NewTLSConfig(&pconfig.TLSConfig{
+		CAFile:             cfg.CAFile,
+		CertFile:           cfg.CertFile,
+		KeyFile:            cfg.KeyFile,
+		ServerName:         cfg.ServerName,
+		InsecureSkipVerify: cfg.InsecureSkipVerify,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	tlsConfig.Renegotiation = tls.RenegotiationSupport(cfg.Renegotiation)
+
+	return tlsConfig, nil
 }

 // TCPProbe configures a tcp probe
@@ -83,6 +146,11 @@ type KubernetesProbe struct {
 	Kubeconfig string `yaml:"kubeconfig,omitempty"`
 }

+// HTTPFileProbe configures a http_file probe
+type HTTPFileProbe struct {
+	ProxyURL URL `yaml:"proxy_url,omitempty"`
+}
+
 // URL is a custom URL type that allows validation at configuration load time
 type URL struct {
 	*url.URL
--- a/contrib/grafana/dashboard.json
+++ b/contrib/grafana/dashboard.json
@@ -12,7 +12,7 @@
      }
    ]
  },
-  "description": "Shows certitificate expiration times, as well as failed ssl connects",
+  "description": "Shows certificate expiration times, as well as failed ssl connects",
  "editable": true,
  "gnetId": 11279,
  "graphTooltip": 0,
--- a/examples/example.prometheus.yml
+++ b/examples/example.prometheus.yml
@@ -34,3 +34,18 @@ scrape_configs:
    static_configs:
      - targets:
          - 127.0.0.1:9219
+  - job_name: 'ssl-http-files'
+    metrics_path: /probe
+    params:
+      module: ["http_file"]
+    static_configs:
+      - targets:
+        - 'https://www.paypalobjects.com/marketing/web/logos/paypal_com.pem'
+        - 'https://d3frv9g52qce38.cloudfront.net/amazondefault/amazon_web_services_inc_2024.pem'
+    relabel_configs:
+      - source_labels: [__address__]
+        target_label: __param_target
+      - source_labels: [__param_target]
+        target_label: instance
+      - target_label: __address__
+        replacement: 127.0.0.1:9219
--- a/examples/ssl_exporter.yaml
+++ b/examples/ssl_exporter.yaml
@@ -1,3 +1,4 @@
+default_module: https
 modules:
  https:
    prober: https
@@ -5,6 +6,10 @@ modules:
    prober: https
    tls_config:
      insecure_skip_verify: true
+  https_renegotiation:
+    prober: https
+    tls_config:
+      renegotiation: freely
  https_proxy:
    prober: https
    https:
@@ -30,9 +35,20 @@ modules:
      starttls: smtp
  file:
    prober: file
+  file_ca_certificates:
+    prober: file
+    target: /etc/ssl/certs/ca-certificates.crt
+  http_file:
+    prober: http_file
+  http_file_proxy:
+    prober: http_file
+    http_file:
+      proxy_url: "socks5://localhost:8123"
  kubernetes:
    prober: kubernetes
  kubernetes_kubeconfig:
    prober: kubernetes
    kubernetes:
      kubeconfig: /root/.kube/config
+  kubeconfig:
+    prober: kubeconfig
--- a/go.mod
+++ b/go.mod
@@ -1,26 +1,72 @@
-module github.com/ribbybibby/ssl_exporter
+module github.com/ribbybibby/ssl_exporter/v2

 require (
-	github.com/bmatcuk/doublestar/v2 v2.0.3
-	github.com/prometheus/client_golang v1.8.0
-	github.com/prometheus/client_model v0.2.0
-	github.com/prometheus/common v0.14.0
-	github.com/sirupsen/logrus v1.7.0 // indirect
-	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
-	golang.org/x/net v0.0.0-20201016165138-7b1cca2348c0 // indirect
-	golang.org/x/sys v0.0.0-20201018121011-98379d014ca7 // indirect
-	google.golang.org/protobuf v1.25.0 // indirect
-	gopkg.in/alecthomas/kingpin.v2 v2.2.6
-	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
-	k8s.io/api v0.19.3
-	k8s.io/apimachinery v0.19.3
-	k8s.io/client-go v0.0.0-00010101000000-000000000000
+	github.com/alecthomas/kingpin/v2 v2.4.0
+	github.com/bmatcuk/doublestar/v2 v2.0.4
+	github.com/go-kit/log v0.2.1
+	github.com/prometheus/client_golang v1.19.1
+	github.com/prometheus/client_model v0.6.1
+	github.com/prometheus/common v0.53.0
+	golang.org/x/crypto v0.25.0
+	gopkg.in/yaml.v3 v3.0.1
+	k8s.io/api v0.30.0
+	k8s.io/apimachinery v0.30.0
+	k8s.io/client-go v1.5.2
+)
+
+require (
+	github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.12.0 // indirect
+	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
+	github.com/go-logfmt/logfmt v0.6.0 // indirect
+	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/imdario/mergo v0.3.16 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/jpillora/backoff v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/procfs v0.14.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/xhit/go-str2duration/v2 v2.1.0 // indirect
+	golang.org/x/net v0.24.0 // indirect
+	golang.org/x/oauth2 v0.19.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/term v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/time v0.5.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/klog/v2 v2.120.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20240423202451-8948a665c108 // indirect
+	k8s.io/utils v0.0.0-20240423183400-0849a56e8f22 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )

 replace (
-	k8s.io/api => k8s.io/api v0.19.3
-	k8s.io/apimachinery => k8s.io/apimachinery v0.19.3
-	k8s.io/client-go => k8s.io/client-go v0.19.3
+	k8s.io/api => k8s.io/api v0.29.0
+	k8s.io/apimachinery => k8s.io/apimachinery v0.29.0
+	k8s.io/client-go => k8s.io/client-go v0.29.0
 )

-go 1.15
+go 1.22
+
+toolchain go1.22.1
--- a/go.sum
+++ b/go.sum
@@ -1,614 +1,173 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest v0.9.6/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
-github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
-github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
-github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
-github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc h1:cAKDfWh5VpdgMhJosfJnn5/FoN2SRZ4p7fJNX58YPaU=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf h1:qet1QNfXsQxTZqLG4oE62mJzwPIB8+Tee4RNCL9ulrY=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2cI+DC1Mbh0TJxzA3RcLoMsFw+aXw7E=
-github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
-github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
-github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
-github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
-github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/alecthomas/kingpin/v2 v2.4.0 h1:f48lwail6p8zpO1bC4TxtqACaGqHYA22qkHjHpqDjYY=
+github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
+github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9 h1:ez/4by2iGztzR4L0zgAOR8lTQK9VlyBVVd7G4omaOQs=
+github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bmatcuk/doublestar/v2 v2.0.3 h1:D6SI8MzWzXXBXZFS87cFL6s/n307lEU+thM2SUnge3g=
-github.com/bmatcuk/doublestar/v2 v2.0.3/go.mod h1:QMmcs3H2AUQICWhfzLXz+IYln8lRQmTZRptLie8RgRw=
-github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
-github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
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-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-k8s.io/api v0.19.3 h1:GN6ntFnv44Vptj/b+OnMW7FmzkpDoIDLZRvKX3XH9aU=
-k8s.io/api v0.19.3/go.mod h1:VF+5FT1B74Pw3KxMdKyinLo+zynBaMBiAfGMuldcNDs=
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-k8s.io/apimachinery v0.19.3/go.mod h1:DnPGDnARWFvYa3pMHgSxtbZb7gpzzAZ1pTfaUNDVlmA=
-k8s.io/client-go v0.19.3 h1:ctqR1nQ52NUs6LpI0w+a5U+xjYwflFwA13OJKcicMxg=
-k8s.io/client-go v0.19.3/go.mod h1:+eEMktZM+MG0KO+PTkci8xnbCZHvj9TqR6Q1XDUIJOM=
-k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
-k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
-k8s.io/klog/v2 v2.2.0 h1:XRvcwJozkgZ1UQJmfMGpvRthQHOvihEhYtDfAaxMz/A=
-k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
-k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6 h1:+WnxoVtG8TMiudHBSEtrVL1egv36TkkJm+bA8AxicmQ=
-k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6/go.mod h1:UuqjUnNftUyPE5H64/qeyjQoUZhGpeFDVdxjTeEVN2o=
-k8s.io/utils v0.0.0-20200729134348-d5654de09c73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-sigs.k8s.io/structured-merge-diff/v4 v4.0.1 h1:YXTMot5Qz/X1iBRJhAt+vI+HVttY0WkSqqhKxQ0xVbA=
-sigs.k8s.io/structured-merge-diff/v4 v4.0.1/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
-sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
-sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
-sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+k8s.io/api v0.29.0 h1:NiCdQMY1QOp1H8lfRyeEf8eOwV6+0xA6XEE44ohDX2A=
+k8s.io/api v0.29.0/go.mod h1:sdVmXoz2Bo/cb77Pxi71IPTSErEW32xa4aXwKH7gfBA=
+k8s.io/apimachinery v0.29.0 h1:+ACVktwyicPz0oc6MTMLwa2Pw3ouLAfAon1wPLtG48o=
+k8s.io/apimachinery v0.29.0/go.mod h1:eVBxQ/cwiJxH58eK/jd/vAk4mrxmVlnpBH5J2GbMeis=
+k8s.io/client-go v0.29.0 h1:KmlDtFcrdUzOYrBhXHgKw5ycWzc3ryPX5mQe0SkG3y8=
+k8s.io/client-go v0.29.0/go.mod h1:yLkXH4HKMAywcrD82KMSmfYg2DlE8mepPR4JGSo5n38=
+k8s.io/klog/v2 v2.120.1 h1:QXU6cPEOIslTGvZaXvFWiP9VKyeet3sawzTOvdXb4Vw=
+k8s.io/klog/v2 v2.120.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=
+k8s.io/kube-openapi v0.0.0-20240423202451-8948a665c108 h1:Q8Z7VlGhcJgBHJHYugJ/K/7iB8a2eSxCyxdVjJp+lLY=
+k8s.io/kube-openapi v0.0.0-20240423202451-8948a665c108/go.mod h1:yD4MZYeKMBwQKVht279WycxKyM84kkAx2DPrTXaeb98=
+k8s.io/utils v0.0.0-20240423183400-0849a56e8f22 h1:ao5hUqGhsqdm+bYbjH/pRkCs0unBGe9UyDahzs9zQzQ=
+k8s.io/utils v0.0.0-20240423183400-0849a56e8f22/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
+sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
+sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
+sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4=
+sigs.k8s.io/structured-merge-diff/v4 v4.4.1/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08=
+sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
+sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=
--- a/prober/file.go
+++ b/prober/file.go
@@ -5,12 +5,13 @@ import (
 	"fmt"

 	"github.com/bmatcuk/doublestar/v2"
+	"github.com/go-kit/log"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/ribbybibby/ssl_exporter/config"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
 )

 // ProbeFile collects certificate metrics from local files
-func ProbeFile(ctx context.Context, target string, module config.Module, registry *prometheus.Registry) error {
+func ProbeFile(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error {
 	errCh := make(chan error, 1)

 	go func() {
@@ -23,7 +24,7 @@ func ProbeFile(ctx context.Context, target string, module config.Module, registr
 		if len(files) == 0 {
 			errCh <- fmt.Errorf("No files found")
 		} else {
-			errCh <- collectFileMetrics(files, registry)
+			errCh <- collectFileMetrics(logger, files, registry)
 		}
 	}()

--- a/prober/file_test.go
+++ b/prober/file_test.go
@@ -11,8 +11,8 @@ import (
 	"testing"
 	"time"

-	"github.com/ribbybibby/ssl_exporter/config"
-	"github.com/ribbybibby/ssl_exporter/test"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"

 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -32,7 +32,7 @@ func TestProbeFile(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeFile(ctx, certFile, module, registry); err != nil {
+	if err := ProbeFile(ctx, newTestLogger(), certFile, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -56,7 +56,7 @@ func TestProbeFileGlob(t *testing.T) {

 	glob := filepath.Dir(certFile) + "/*.crt"

-	if err := ProbeFile(ctx, glob, module, registry); err != nil {
+	if err := ProbeFile(ctx, newTestLogger(), glob, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -84,7 +84,7 @@ func TestProbeFileGlobDoubleStar(t *testing.T) {

 	glob := filepath.Dir(filepath.Dir(certFile)) + "/**/*.crt"

-	if err := ProbeFile(ctx, glob, module, registry); err != nil {
+	if err := ProbeFile(ctx, newTestLogger(), glob, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -126,7 +126,7 @@ func TestProbeFileGlobDoubleStarMultiple(t *testing.T) {

 	glob := tmpDir + "/**/*.crt"

-	if err := ProbeFile(ctx, glob, module, registry); err != nil {
+	if err := ProbeFile(ctx, newTestLogger(), glob, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

--- a/prober/http_file.go
+++ b/prober/http_file.go
@@ -0,0 +1,60 @@
+package prober
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/go-kit/log"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+)
+
+// ProbeHTTPFile collects certificate metrics from a remote file via http
+func ProbeHTTPFile(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error {
+	proxy := http.ProxyFromEnvironment
+	if module.HTTPFile.ProxyURL.URL != nil {
+		proxy = http.ProxyURL(module.HTTPFile.ProxyURL.URL)
+	}
+
+	tlsConfig, err := config.NewTLSConfig(&module.TLSConfig)
+	if err != nil {
+		return fmt.Errorf("creating TLS config: %w", err)
+	}
+
+	client := &http.Client{
+		Transport: &http.Transport{
+			TLSClientConfig:   tlsConfig,
+			Proxy:             proxy,
+			DisableKeepAlives: true,
+		},
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, target, nil)
+	if err != nil {
+		return fmt.Errorf("creating http request: %w", err)
+	}
+	req.Header.Set("User-Agent", userAgent)
+	resp, err := client.Do(req)
+	if err != nil {
+		return fmt.Errorf("making http request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("unexpected response code: %d", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("reading response body: %w", err)
+	}
+
+	certs, err := decodeCertificates(body)
+	if err != nil {
+		return fmt.Errorf("decoding certificates from response body: %w", err)
+	}
+
+	return collectCertificateMetrics(certs, registry)
+}
--- a/prober/http_file_test.go
+++ b/prober/http_file_test.go
@@ -0,0 +1,112 @@
+package prober
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"
+)
+
+func TestProbeHTTPFile(t *testing.T) {
+	testcertPEM, _ := test.GenerateTestCertificate(time.Now().AddDate(0, 0, 1))
+
+	server := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write(testcertPEM)
+	}))
+
+	server.Start()
+	defer server.Close()
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeHTTPFile(ctx, newTestLogger(), server.URL+"/file", config.Module{}, registry); err != nil {
+		t.Fatalf("error: %s", err)
+	}
+
+	cert, err := newCertificate(testcertPEM)
+	if err != nil {
+		t.Fatal(err)
+	}
+	checkCertificateMetrics(cert, registry, t)
+}
+
+func TestProbeHTTPFile_NotCertificate(t *testing.T) {
+	server := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("foobar"))
+	}))
+
+	server.Start()
+	defer server.Close()
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeHTTPFile(ctx, newTestLogger(), server.URL+"/file", config.Module{}, registry); err == nil {
+		t.Errorf("expected error but got nil")
+	}
+}
+
+func TestProbeHTTPFile_NotFound(t *testing.T) {
+	server := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+	}))
+
+	server.Start()
+	defer server.Close()
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeHTTPFile(ctx, newTestLogger(), server.URL+"/file", config.Module{}, registry); err == nil {
+		t.Errorf("expected error but got nil")
+	}
+}
+
+func TestProbeHTTPFileHTTPS(t *testing.T) {
+	server, certPEM, _, caFile, teardown, err := test.SetupHTTPSServer()
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer teardown()
+
+	server.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write(certPEM)
+	})
+
+	server.StartTLS()
+	defer server.Close()
+
+	module := config.Module{
+		TLSConfig: config.TLSConfig{
+			CAFile:             caFile,
+			InsecureSkipVerify: false,
+		},
+	}
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeHTTPFile(ctx, newTestLogger(), server.URL+"/file", module, registry); err != nil {
+		t.Fatalf("error: %s", err)
+	}
+
+	cert, err := newCertificate(certPEM)
+	if err != nil {
+		t.Fatal(err)
+	}
+	checkCertificateMetrics(cert, registry, t)
+}
--- a/prober/https.go
+++ b/prober/https.go
@@ -9,13 +9,17 @@ import (
 	"net/url"
 	"strings"

+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/common/log"
-	"github.com/ribbybibby/ssl_exporter/config"
+	"github.com/prometheus/common/version"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
 )

+var userAgent = fmt.Sprintf("SSLExporter/%s", version.Version)
+
 // ProbeHTTPS performs a https probe
-func ProbeHTTPS(ctx context.Context, target string, module config.Module, registry *prometheus.Registry) error {
+func ProbeHTTPS(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error {
 	tlsConfig, err := newTLSConfig("", registry, &module.TLSConfig)
 	if err != nil {
 		return err
@@ -56,6 +60,7 @@ func ProbeHTTPS(ctx context.Context, target string, module config.Module, regist
 		return err
 	}
 	request = request.WithContext(ctx)
+	request.Header.Set("User-Agent", userAgent)
 	resp, err := client.Do(request)
 	if err != nil {
 		return err
@@ -63,7 +68,7 @@ func ProbeHTTPS(ctx context.Context, target string, module config.Module, regist
 	defer func() {
 		_, err := io.Copy(ioutil.Discard, resp.Body)
 		if err != nil {
-			log.Errorln(err)
+			level.Error(logger).Log("msg", err)
 		}
 		resp.Body.Close()
 	}()
--- a/prober/https_test.go
+++ b/prober/https_test.go
@@ -17,9 +17,8 @@ import (
 	"time"

 	"github.com/prometheus/client_golang/prometheus"
-	pconfig "github.com/prometheus/common/config"
-	"github.com/ribbybibby/ssl_exporter/config"
-	"github.com/ribbybibby/ssl_exporter/test"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"
 	"golang.org/x/crypto/ocsp"
 )

@@ -35,7 +34,7 @@ func TestProbeHTTPS(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -46,7 +45,7 @@ func TestProbeHTTPS(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -77,7 +76,7 @@ func TestProbeHTTPSTimeout(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile: caFile,
 		},
 	}
@@ -87,7 +86,7 @@ func TestProbeHTTPSTimeout(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err == nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err == nil {
 		t.Fatalf("Expected error but returned error was nil")
 	}
 }
@@ -105,7 +104,7 @@ func TestProbeHTTPSInvalidName(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -121,7 +120,7 @@ func TestProbeHTTPSInvalidName(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, "https://localhost:"+u.Port(), module, registry); err == nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), "https://localhost:"+u.Port(), module, registry); err == nil {
 		t.Fatalf("expected error, but err was nil")
 	}
 }
@@ -139,7 +138,7 @@ func TestProbeHTTPSNoScheme(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -155,7 +154,7 @@ func TestProbeHTTPSNoScheme(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, u.Host, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), u.Host, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -186,7 +185,7 @@ func TestProbeHTTPSServerName(t *testing.T) {
 	}

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 			ServerName:         u.Hostname(),
@@ -198,7 +197,7 @@ func TestProbeHTTPSServerName(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, "https://localhost:"+u.Port(), module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), "https://localhost:"+u.Port(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -224,7 +223,7 @@ func TestProbeHTTPSHTTP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, config.Module{}, registry); err == nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, config.Module{}, registry); err == nil {
 		t.Fatalf("expected error, but err was nil")
 	}
 }
@@ -263,7 +262,7 @@ func TestProbeHTTPSClientAuth(t *testing.T) {
 	defer os.Remove(keyFile)

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			CertFile:           certFile,
 			KeyFile:            keyFile,
@@ -276,7 +275,7 @@ func TestProbeHTTPSClientAuth(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -327,7 +326,7 @@ func TestProbeHTTPSClientAuthWrongClientCert(t *testing.T) {
 	defer os.Remove(keyFile)

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			CertFile:           certFile,
 			KeyFile:            keyFile,
@@ -340,7 +339,7 @@ func TestProbeHTTPSClientAuthWrongClientCert(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err == nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err == nil {
 		t.Fatalf("expected error but err is nil")
 	}
 }
@@ -365,7 +364,7 @@ func TestProbeHTTPSExpired(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -376,7 +375,7 @@ func TestProbeHTTPSExpired(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err == nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err == nil {
 		t.Fatalf("expected error but err is nil")
 	}
 }
@@ -402,7 +401,7 @@ func TestProbeHTTPSExpiredInsecure(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: true,
 		},
@@ -413,7 +412,7 @@ func TestProbeHTTPSExpiredInsecure(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -455,7 +454,7 @@ func TestProbeHTTPSProxy(t *testing.T) {
 	}

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -470,14 +469,14 @@ func TestProbeHTTPSProxy(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err == nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err == nil {
 		t.Fatalf("expected error but err was nil")
 	}

 	// Test with the proxy url, this shouldn't return an error
 	module.HTTPS.ProxyURL = config.URL{URL: proxyURL}

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -517,7 +516,7 @@ func TestProbeHTTPSOCSP(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile: caFile,
 		},
 	}
@@ -527,7 +526,7 @@ func TestProbeHTTPSOCSP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -598,7 +597,7 @@ func TestProbeHTTPSVerifiedChains(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile: caFile,
 		},
 	}
@@ -608,7 +607,7 @@ func TestProbeHTTPSVerifiedChains(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeHTTPS(ctx, server.URL, module, registry); err != nil {
+	if err := ProbeHTTPS(ctx, newTestLogger(), server.URL, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

--- a/prober/kubeconfig.go
+++ b/prober/kubeconfig.go
@@ -0,0 +1,92 @@
+package prober
+
+import (
+	"context"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/go-kit/log"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"gopkg.in/yaml.v3"
+)
+
+type KubeConfigCluster struct {
+	Name    string
+	Cluster KubeConfigClusterCert
+}
+
+type KubeConfigClusterCert struct {
+	CertificateAuthority     string `yaml:"certificate-authority"`
+	CertificateAuthorityData string `yaml:"certificate-authority-data"`
+}
+
+type KubeConfigUser struct {
+	Name string
+	User KubeConfigUserCert
+}
+
+type KubeConfigUserCert struct {
+	ClientCertificate     string `yaml:"client-certificate"`
+	ClientCertificateData string `yaml:"client-certificate-data"`
+}
+
+type KubeConfig struct {
+	Path     string
+	Clusters []KubeConfigCluster
+	Users    []KubeConfigUser
+}
+
+// ProbeKubeconfig collects certificate metrics from kubeconfig files
+func ProbeKubeconfig(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error {
+	if _, err := os.Stat(target); err != nil {
+		return fmt.Errorf("kubeconfig not found: %s", target)
+	}
+	k, err := ParseKubeConfig(target)
+	if err != nil {
+		return err
+	}
+	err = collectKubeconfigMetrics(logger, *k, registry)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func ParseKubeConfig(file string) (*KubeConfig, error) {
+	k := &KubeConfig{}
+
+	data, err := ioutil.ReadFile(file)
+	if err != nil {
+		return nil, err
+	}
+
+	err = yaml.Unmarshal([]byte(data), k)
+	if err != nil {
+		return nil, err
+	}
+	k.Path = file
+	clusters := []KubeConfigCluster{}
+	users := []KubeConfigUser{}
+	for _, c := range k.Clusters {
+		// Path is relative to kubeconfig path
+		if c.Cluster.CertificateAuthority != "" && !filepath.IsAbs(c.Cluster.CertificateAuthority) {
+			newPath := filepath.Join(filepath.Dir(k.Path), c.Cluster.CertificateAuthority)
+			c.Cluster.CertificateAuthority = newPath
+		}
+		clusters = append(clusters, c)
+	}
+	for _, u := range k.Users {
+		// Path is relative to kubeconfig path
+		if u.User.ClientCertificate != "" && !filepath.IsAbs(u.User.ClientCertificate) {
+			newPath := filepath.Join(filepath.Dir(k.Path), u.User.ClientCertificate)
+			u.User.ClientCertificate = newPath
+		}
+		users = append(users, u)
+	}
+	k.Clusters = clusters
+	k.Users = users
+	return k, nil
+}
--- a/prober/kubeconfig_test.go
+++ b/prober/kubeconfig_test.go
@@ -0,0 +1,195 @@
+package prober
+
+import (
+	"context"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"gopkg.in/yaml.v3"
+)
+
+// TestProbeFile tests a file
+func TestProbeKubeconfig(t *testing.T) {
+	cert, kubeconfig, err := createTestKubeconfig("", "kubeconfig")
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer os.Remove(kubeconfig)
+
+	module := config.Module{}
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeKubeconfig(ctx, newTestLogger(), kubeconfig, module, registry); err != nil {
+		t.Fatalf("error: %s", err)
+	}
+
+	checkKubeconfigMetrics(cert, kubeconfig, registry, t)
+}
+
+func TestParseKubeConfigRelative(t *testing.T) {
+	tmpFile, err := ioutil.TempFile("", "kubeconfig")
+	if err != nil {
+		t.Fatalf("Unable to create Tempfile: %s", err.Error())
+	}
+	defer os.Remove(tmpFile.Name())
+	file := []byte(`
+clusters:
+  - cluster:
+      certificate-authority: certs/example/ca.pem
+      server: https://master.example.com
+    name: example
+users:
+  - user:
+      client-certificate: test/ca.pem
+    name: example`)
+	if _, err := tmpFile.Write(file); err != nil {
+		t.Fatalf("Unable to write Tempfile: %s", err.Error())
+	}
+	expectedClusterPath := filepath.Join(filepath.Dir(tmpFile.Name()), "certs/example/ca.pem")
+	expectedUserPath := filepath.Join(filepath.Dir(tmpFile.Name()), "test/ca.pem")
+	k, err := ParseKubeConfig(tmpFile.Name())
+	if err != nil {
+		t.Fatalf("Error parsing kubeconfig: %s", err.Error())
+	}
+	if len(k.Clusters) != 1 {
+		t.Fatalf("Unexpected length for Clusters, got %d", len(k.Clusters))
+	}
+	if k.Clusters[0].Cluster.CertificateAuthority != expectedClusterPath {
+		t.Errorf("Unexpected CertificateAuthority value\nExpected: %s\nGot: %s", expectedClusterPath, k.Clusters[0].Cluster.CertificateAuthority)
+	}
+	if len(k.Users) != 1 {
+		t.Fatalf("Unexpected length for Users, got %d", len(k.Users))
+	}
+	if k.Users[0].User.ClientCertificate != expectedUserPath {
+		t.Errorf("Unexpected ClientCertificate value\nExpected: %s\nGot: %s", expectedUserPath, k.Users[0].User.ClientCertificate)
+	}
+}
+
+// Create a certificate and write it to a file
+func createTestKubeconfig(dir, filename string) (*x509.Certificate, string, error) {
+	certPEM, _ := test.GenerateTestCertificate(time.Now().Add(time.Hour * 1))
+	clusterCert := KubeConfigClusterCert{CertificateAuthorityData: base64.StdEncoding.EncodeToString([]byte(certPEM))}
+	clusters := []KubeConfigCluster{KubeConfigCluster{Name: "kubernetes", Cluster: clusterCert}}
+	userCert := KubeConfigUserCert{ClientCertificateData: base64.StdEncoding.EncodeToString([]byte(certPEM))}
+	users := []KubeConfigUser{KubeConfigUser{Name: "kubernetes-admin", User: userCert}}
+	k := KubeConfig{
+		Clusters: clusters,
+		Users:    users,
+	}
+	block, _ := pem.Decode([]byte(certPEM))
+	cert, err := x509.ParseCertificate(block.Bytes)
+	if err != nil {
+		return nil, "", err
+	}
+	tmpFile, err := ioutil.TempFile(dir, filename)
+	if err != nil {
+		return nil, tmpFile.Name(), err
+	}
+	k.Path = tmpFile.Name()
+	d, err := yaml.Marshal(&k)
+	if err != nil {
+		return nil, tmpFile.Name(), err
+	}
+	if _, err := tmpFile.Write(d); err != nil {
+		return nil, tmpFile.Name(), err
+	}
+	if err := tmpFile.Close(); err != nil {
+		return nil, tmpFile.Name(), err
+	}
+
+	return cert, tmpFile.Name(), nil
+}
+
+// Check metrics
+func checkKubeconfigMetrics(cert *x509.Certificate, kubeconfig string, registry *prometheus.Registry, t *testing.T) {
+	mfs, err := registry.Gather()
+	if err != nil {
+		t.Fatal(err)
+	}
+	ips := ","
+	for _, ip := range cert.IPAddresses {
+		ips = ips + ip.String() + ","
+	}
+	expectedResults := []*registryResult{
+		&registryResult{
+			Name: "ssl_kubeconfig_cert_not_after",
+			LabelValues: map[string]string{
+				"kubeconfig": kubeconfig,
+				"name":       "kubernetes",
+				"type":       "cluster",
+				"serial_no":  cert.SerialNumber.String(),
+				"issuer_cn":  cert.Issuer.CommonName,
+				"cn":         cert.Subject.CommonName,
+				"dnsnames":   "," + strings.Join(cert.DNSNames, ",") + ",",
+				"ips":        ips,
+				"emails":     "," + strings.Join(cert.EmailAddresses, ",") + ",",
+				"ou":         "," + strings.Join(cert.Subject.OrganizationalUnit, ",") + ",",
+			},
+			Value: float64(cert.NotAfter.Unix()),
+		},
+		&registryResult{
+			Name: "ssl_kubeconfig_cert_not_before",
+			LabelValues: map[string]string{
+				"kubeconfig": kubeconfig,
+				"name":       "kubernetes",
+				"type":       "cluster",
+				"serial_no":  cert.SerialNumber.String(),
+				"issuer_cn":  cert.Issuer.CommonName,
+				"cn":         cert.Subject.CommonName,
+				"dnsnames":   "," + strings.Join(cert.DNSNames, ",") + ",",
+				"ips":        ips,
+				"emails":     "," + strings.Join(cert.EmailAddresses, ",") + ",",
+				"ou":         "," + strings.Join(cert.Subject.OrganizationalUnit, ",") + ",",
+			},
+			Value: float64(cert.NotBefore.Unix()),
+		},
+		&registryResult{
+			Name: "ssl_kubeconfig_cert_not_after",
+			LabelValues: map[string]string{
+				"kubeconfig": kubeconfig,
+				"name":       "kubernetes-admin",
+				"type":       "user",
+				"serial_no":  cert.SerialNumber.String(),
+				"issuer_cn":  cert.Issuer.CommonName,
+				"cn":         cert.Subject.CommonName,
+				"dnsnames":   "," + strings.Join(cert.DNSNames, ",") + ",",
+				"ips":        ips,
+				"emails":     "," + strings.Join(cert.EmailAddresses, ",") + ",",
+				"ou":         "," + strings.Join(cert.Subject.OrganizationalUnit, ",") + ",",
+			},
+			Value: float64(cert.NotAfter.Unix()),
+		},
+		&registryResult{
+			Name: "ssl_kubeconfig_cert_not_before",
+			LabelValues: map[string]string{
+				"kubeconfig": kubeconfig,
+				"name":       "kubernetes-admin",
+				"type":       "user",
+				"serial_no":  cert.SerialNumber.String(),
+				"issuer_cn":  cert.Issuer.CommonName,
+				"cn":         cert.Subject.CommonName,
+				"dnsnames":   "," + strings.Join(cert.DNSNames, ",") + ",",
+				"ips":        ips,
+				"emails":     "," + strings.Join(cert.EmailAddresses, ",") + ",",
+				"ou":         "," + strings.Join(cert.Subject.OrganizationalUnit, ",") + ",",
+			},
+			Value: float64(cert.NotBefore.Unix()),
+		},
+	}
+	checkRegistryResults(expectedResults, mfs, t)
+}
--- a/prober/kubernetes.go
+++ b/prober/kubernetes.go
@@ -6,8 +6,9 @@ import (
 	"strings"

 	"github.com/bmatcuk/doublestar/v2"
+	"github.com/go-kit/log"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/ribbybibby/ssl_exporter/config"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
@@ -24,7 +25,7 @@ var (
 )

 // ProbeKubernetes collects certificate metrics from kubernetes.io/tls Secrets
-func ProbeKubernetes(ctx context.Context, target string, module config.Module, registry *prometheus.Registry) error {
+func ProbeKubernetes(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error {
 	client, err := newKubeClient(module.Kubernetes.Kubeconfig)
 	if err != nil {
 		return err
@@ -43,23 +44,21 @@ func probeKubernetes(ctx context.Context, target string, module config.Module, r
 	name := parts[1]

 	var tlsSecrets []v1.Secret
-	secrets, err := client.CoreV1().Secrets("").List(ctx, metav1.ListOptions{})
+	secrets, err := client.CoreV1().Secrets("").List(ctx, metav1.ListOptions{FieldSelector: "type=kubernetes.io/tls"})
 	if err != nil {
 		return err
 	}
 	for _, secret := range secrets.Items {
-		if secret.Type == "kubernetes.io/tls" {
-			nMatch, err := doublestar.Match(ns, secret.Namespace)
-			if err != nil {
-				return err
-			}
-			sMatch, err := doublestar.Match(name, secret.Name)
-			if err != nil {
-				return err
-			}
-			if nMatch && sMatch {
-				tlsSecrets = append(tlsSecrets, secret)
-			}
+		nMatch, err := doublestar.Match(ns, secret.Namespace)
+		if err != nil {
+			return err
+		}
+		sMatch, err := doublestar.Match(name, secret.Name)
+		if err != nil {
+			return err
+		}
+		if nMatch && sMatch {
+			tlsSecrets = append(tlsSecrets, secret)
 		}
 	}

--- a/prober/kubernetes_test.go
+++ b/prober/kubernetes_test.go
@@ -9,8 +9,8 @@ import (
 	"time"

 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/ribbybibby/ssl_exporter/config"
-	"github.com/ribbybibby/ssl_exporter/test"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes/fake"
--- a/prober/metrics.go
+++ b/prober/metrics.go
@@ -3,6 +3,7 @@ package prober
 import (
 	"crypto/tls"
 	"crypto/x509"
+	"encoding/base64"
 	"fmt"
 	"io/ioutil"
 	"sort"
@@ -10,8 +11,9 @@ import (
 	"strings"
 	"time"

+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/common/log"
 	"golang.org/x/crypto/ocsp"
 	v1 "k8s.io/api/core/v1"
 )
@@ -229,7 +231,7 @@ func collectOCSPMetrics(ocspResponse []byte, registry *prometheus.Registry) erro
 	return nil
 }

-func collectFileMetrics(files []string, registry *prometheus.Registry) error {
+func collectFileMetrics(logger log.Logger, files []string, registry *prometheus.Registry) error {
 	var (
 		totalCerts   []*x509.Certificate
 		fileNotAfter = prometheus.NewGaugeVec(
@@ -252,7 +254,7 @@ func collectFileMetrics(files []string, registry *prometheus.Registry) error {
 	for _, f := range files {
 		data, err := ioutil.ReadFile(f)
 		if err != nil {
-			log.Debugf("Error reading file: %s error=%s", f, err)
+			level.Debug(logger).Log("msg", fmt.Sprintf("Error reading file %s: %s", f, err))
 			continue
 		}
 		certs, err := decodeCertificates(data)
@@ -332,6 +334,105 @@ func collectKubernetesSecretMetrics(secrets []v1.Secret, registry *prometheus.Re
 	return nil
 }

+func collectKubeconfigMetrics(logger log.Logger, kubeconfig KubeConfig, registry *prometheus.Registry) error {
+	var (
+		totalCerts         []*x509.Certificate
+		kubeconfigNotAfter = prometheus.NewGaugeVec(
+			prometheus.GaugeOpts{
+				Name: prometheus.BuildFQName(namespace, "kubeconfig", "cert_not_after"),
+				Help: "NotAfter expressed as a Unix Epoch Time for a certificate found in a kubeconfig",
+			},
+			[]string{"kubeconfig", "name", "type", "serial_no", "issuer_cn", "cn", "dnsnames", "ips", "emails", "ou"},
+		)
+		kubeconfigNotBefore = prometheus.NewGaugeVec(
+			prometheus.GaugeOpts{
+				Name: prometheus.BuildFQName(namespace, "kubeconfig", "cert_not_before"),
+				Help: "NotBefore expressed as a Unix Epoch Time for a certificate found in a kubeconfig",
+			},
+			[]string{"kubeconfig", "name", "type", "serial_no", "issuer_cn", "cn", "dnsnames", "ips", "emails", "ou"},
+		)
+	)
+	registry.MustRegister(kubeconfigNotAfter, kubeconfigNotBefore)
+
+	for _, c := range kubeconfig.Clusters {
+		var data []byte
+		var err error
+		if c.Cluster.CertificateAuthorityData != "" {
+			data, err = base64.StdEncoding.DecodeString(c.Cluster.CertificateAuthorityData)
+			if err != nil {
+				return err
+			}
+		} else if c.Cluster.CertificateAuthority != "" {
+			data, err = ioutil.ReadFile(c.Cluster.CertificateAuthority)
+			if err != nil {
+				level.Debug(logger).Log("msg", fmt.Sprintf("Error reading file %s: %s", c.Cluster.CertificateAuthority, err))
+				return err
+			}
+		}
+		if data == nil {
+			continue
+		}
+		certs, err := decodeCertificates(data)
+		if err != nil {
+			return err
+		}
+		totalCerts = append(totalCerts, certs...)
+		for _, cert := range certs {
+			labels := append([]string{kubeconfig.Path, c.Name, "cluster"}, labelValues(cert)...)
+
+			if !cert.NotAfter.IsZero() {
+				kubeconfigNotAfter.WithLabelValues(labels...).Set(float64(cert.NotAfter.Unix()))
+			}
+
+			if !cert.NotBefore.IsZero() {
+				kubeconfigNotBefore.WithLabelValues(labels...).Set(float64(cert.NotBefore.Unix()))
+			}
+		}
+	}
+
+	for _, u := range kubeconfig.Users {
+		var data []byte
+		var err error
+		if u.User.ClientCertificateData != "" {
+			data, err = base64.StdEncoding.DecodeString(u.User.ClientCertificateData)
+			if err != nil {
+				return err
+			}
+		} else if u.User.ClientCertificate != "" {
+			data, err = ioutil.ReadFile(u.User.ClientCertificate)
+			if err != nil {
+				level.Debug(logger).Log("msg", fmt.Sprintf("Error reading file %s: %s", u.User.ClientCertificate, err))
+				return err
+			}
+		}
+		if data == nil {
+			continue
+		}
+		certs, err := decodeCertificates(data)
+		if err != nil {
+			return err
+		}
+		totalCerts = append(totalCerts, certs...)
+		for _, cert := range certs {
+			labels := append([]string{kubeconfig.Path, u.Name, "user"}, labelValues(cert)...)
+
+			if !cert.NotAfter.IsZero() {
+				kubeconfigNotAfter.WithLabelValues(labels...).Set(float64(cert.NotAfter.Unix()))
+			}
+
+			if !cert.NotBefore.IsZero() {
+				kubeconfigNotBefore.WithLabelValues(labels...).Set(float64(cert.NotBefore.Unix()))
+			}
+		}
+	}
+
+	if len(totalCerts) == 0 {
+		return fmt.Errorf("No certificates found")
+	}
+
+	return nil
+}
+
 func labelValues(cert *x509.Certificate) []string {
 	return []string{
 		cert.SerialNumber.String(),
--- a/prober/prober.go
+++ b/prober/prober.go
@@ -3,8 +3,9 @@ package prober
 import (
 	"context"

+	"github.com/go-kit/log"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/ribbybibby/ssl_exporter/config"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
 )

 var (
@@ -14,9 +15,11 @@ var (
 		"http":       ProbeHTTPS,
 		"tcp":        ProbeTCP,
 		"file":       ProbeFile,
+		"http_file":  ProbeHTTPFile,
 		"kubernetes": ProbeKubernetes,
+		"kubeconfig": ProbeKubeconfig,
 	}
 )

 // ProbeFn probes
-type ProbeFn func(ctx context.Context, target string, module config.Module, registry *prometheus.Registry) error
+type ProbeFn func(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error
--- a/prober/tcp.go
+++ b/prober/tcp.go
@@ -2,19 +2,22 @@ package prober

 import (
 	"bufio"
+	"bytes"
 	"context"
 	"crypto/tls"
 	"fmt"
+	"io"
 	"net"
 	"regexp"

+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/common/log"
-	"github.com/ribbybibby/ssl_exporter/config"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
 )

 // ProbeTCP performs a tcp probe
-func ProbeTCP(ctx context.Context, target string, module config.Module, registry *prometheus.Registry) error {
+func ProbeTCP(ctx context.Context, logger log.Logger, target string, module config.Module, registry *prometheus.Registry) error {
 	tlsConfig, err := newTLSConfig(target, registry, &module.TLSConfig)
 	if err != nil {
 		return err
@@ -33,7 +36,7 @@ func ProbeTCP(ctx context.Context, target string, module config.Module, registry
 	}

 	if module.TCP.StartTLS != "" {
-		err = startTLS(conn, module.TCP.StartTLS)
+		err = startTLS(logger, conn, module.TCP.StartTLS)
 		if err != nil {
 			return err
 		}
@@ -46,8 +49,10 @@ func ProbeTCP(ctx context.Context, target string, module config.Module, registry
 }

 type queryResponse struct {
-	expect string
-	send   string
+	expect      string
+	send        string
+	sendBytes   []byte
+	expectBytes []byte
 }

 var (
@@ -66,7 +71,7 @@ var (
 				send: "EHLO prober",
 			},
 			queryResponse{
-				expect: "^250-STARTTLS",
+				expect: "^250(-| )STARTTLS",
 			},
 			queryResponse{
 				send: "STARTTLS",
@@ -106,11 +111,30 @@ var (
 				expect: "OK",
 			},
 		},
+		"postgres": []queryResponse{
+			queryResponse{
+				sendBytes: []byte{0x00, 0x00, 0x00, 0x08, 0x04, 0xd2, 0x16, 0x2f},
+			},
+			queryResponse{
+				expectBytes: []byte{0x53},
+			},
+		},
+		"pop3": []queryResponse{
+			queryResponse{
+				expect: "OK",
+			},
+			queryResponse{
+				send: "STLS",
+			},
+			queryResponse{
+				expect: "OK",
+			},
+		},
 	}
 )

 // startTLS will send the STARTTLS command for the given protocol
-func startTLS(conn net.Conn, proto string) error {
+func startTLS(logger log.Logger, conn net.Conn, proto string) error {
 	var err error

 	qr, ok := startTLSqueryResponses[proto]
@@ -123,13 +147,13 @@ func startTLS(conn net.Conn, proto string) error {
 		if qr.expect != "" {
 			var match bool
 			for scanner.Scan() {
-				log.Debugf("read line: %s", scanner.Text())
+				level.Debug(logger).Log("msg", fmt.Sprintf("read line: %s", scanner.Text()))
 				match, err = regexp.Match(qr.expect, scanner.Bytes())
 				if err != nil {
 					return err
 				}
 				if match {
-					log.Debugf("regex: %s matched: %s", qr.expect, scanner.Text())
+					level.Debug(logger).Log("msg", fmt.Sprintf("regex: %s matched: %s", qr.expect, scanner.Text()))
 					break
 				}
 			}
@@ -140,12 +164,31 @@ func startTLS(conn net.Conn, proto string) error {
 				return fmt.Errorf("regex: %s didn't match: %s", qr.expect, scanner.Text())
 			}
 		}
+		if len(qr.expectBytes) > 0 {
+			buffer := make([]byte, len(qr.expectBytes))
+			_, err = io.ReadFull(conn, buffer)
+			if err != nil {
+				return nil
+			}
+			level.Debug(logger).Log("msg", fmt.Sprintf("read bytes: %x", buffer))
+			if bytes.Compare(buffer, qr.expectBytes) != 0 {
+				return fmt.Errorf("read bytes %x didn't match with expected bytes %x", buffer, qr.expectBytes)
+			} else {
+				level.Debug(logger).Log("msg", fmt.Sprintf("expected bytes %x matched with read bytes %x", qr.expectBytes, buffer))
+			}
+		}
 		if qr.send != "" {
-			log.Debugf("sending line: %s", qr.send)
+			level.Debug(logger).Log("msg", fmt.Sprintf("sending line: %s", qr.send))
 			if _, err := fmt.Fprintf(conn, "%s\r\n", qr.send); err != nil {
 				return err
 			}
 		}
+		if len(qr.sendBytes) > 0 {
+			level.Debug(logger).Log("msg", fmt.Sprintf("sending bytes: %x", qr.sendBytes))
+			if _, err = conn.Write(qr.sendBytes); err != nil {
+				return err
+			}
+		}
 	}
 	return nil
 }
--- a/prober/tcp_test.go
+++ b/prober/tcp_test.go
@@ -12,12 +12,11 @@ import (
 	"testing"
 	"time"

-	"github.com/ribbybibby/ssl_exporter/config"
-	"github.com/ribbybibby/ssl_exporter/test"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"
 	"golang.org/x/crypto/ocsp"

 	"github.com/prometheus/client_golang/prometheus"
-	pconfig "github.com/prometheus/common/config"
 )

 // TestProbeTCP tests the typical case
@@ -32,7 +31,7 @@ func TestProbeTCP(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -43,7 +42,7 @@ func TestProbeTCP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -69,7 +68,7 @@ func TestProbeTCPInvalidName(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -82,7 +81,7 @@ func TestProbeTCPInvalidName(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, "localhost:"+listenPort, module, registry); err == nil {
+	if err := ProbeTCP(ctx, newTestLogger(), "localhost:"+listenPort, module, registry); err == nil {
 		t.Fatalf("expected error but err was nil")
 	}
 }
@@ -102,7 +101,7 @@ func TestProbeTCPServerName(t *testing.T) {
 	host, listenPort, _ := net.SplitHostPort(server.Listener.Addr().String())

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 			ServerName:         host,
@@ -114,7 +113,7 @@ func TestProbeTCPServerName(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, "localhost:"+listenPort, module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), "localhost:"+listenPort, module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -147,7 +146,7 @@ func TestProbeTCPExpired(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -158,7 +157,7 @@ func TestProbeTCPExpired(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err == nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err == nil {
 		t.Fatalf("expected error but err is nil")
 	}
 }
@@ -184,7 +183,7 @@ func TestProbeTCPExpiredInsecure(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: true,
 		},
@@ -195,7 +194,7 @@ func TestProbeTCPExpiredInsecure(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -223,7 +222,7 @@ func TestProbeTCPStartTLSSMTP(t *testing.T) {
 		TCP: config.TCPProbe{
 			StartTLS: "smtp",
 		},
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -234,7 +233,47 @@ func TestProbeTCPStartTLSSMTP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
+		t.Fatalf("error: %s", err)
+	}
+
+	cert, err := newCertificate(certPEM)
+	if err != nil {
+		t.Fatal(err)
+	}
+	checkCertificateMetrics(cert, registry, t)
+	checkOCSPMetrics([]byte{}, registry, t)
+	checkTLSVersionMetrics("TLS 1.3", registry, t)
+}
+
+// TestProbeTCPStartTLSSMTPWithDashInResponse tests STARTTLS against a mock SMTP server
+// which provides STARTTLS as option with dash which is okay when it used as the last option
+func TestProbeTCPStartTLSSMTPWithDashInResponse(t *testing.T) {
+	server, certPEM, _, caFile, teardown, err := test.SetupTCPServer()
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer teardown()
+
+	server.StartSMTPWithDashInResponse()
+	defer server.Close()
+
+	module := config.Module{
+		TCP: config.TCPProbe{
+			StartTLS: "smtp",
+		},
+		TLSConfig: config.TLSConfig{
+			CAFile:             caFile,
+			InsecureSkipVerify: false,
+		},
+	}
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -262,7 +301,7 @@ func TestProbeTCPStartTLSFTP(t *testing.T) {
 		TCP: config.TCPProbe{
 			StartTLS: "ftp",
 		},
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -273,7 +312,7 @@ func TestProbeTCPStartTLSFTP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -301,7 +340,7 @@ func TestProbeTCPStartTLSIMAP(t *testing.T) {
 		TCP: config.TCPProbe{
 			StartTLS: "imap",
 		},
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -312,7 +351,85 @@ func TestProbeTCPStartTLSIMAP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
+		t.Fatalf("error: %s", err)
+	}
+
+	cert, err := newCertificate(certPEM)
+	if err != nil {
+		t.Fatal(err)
+	}
+	checkCertificateMetrics(cert, registry, t)
+	checkOCSPMetrics([]byte{}, registry, t)
+	checkTLSVersionMetrics("TLS 1.3", registry, t)
+}
+
+// TestProbeTCPStartTLSPOP3 tests STARTTLS against a mock POP3 server
+func TestProbeTCPStartTLSPOP3(t *testing.T) {
+	server, certPEM, _, caFile, teardown, err := test.SetupTCPServer()
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer teardown()
+
+	server.StartPOP3()
+	defer server.Close()
+
+	module := config.Module{
+		TCP: config.TCPProbe{
+			StartTLS: "pop3",
+		},
+		TLSConfig: config.TLSConfig{
+			CAFile:             caFile,
+			InsecureSkipVerify: false,
+		},
+	}
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
+		t.Fatalf("error: %s", err)
+	}
+
+	cert, err := newCertificate(certPEM)
+	if err != nil {
+		t.Fatal(err)
+	}
+	checkCertificateMetrics(cert, registry, t)
+	checkOCSPMetrics([]byte{}, registry, t)
+	checkTLSVersionMetrics("TLS 1.3", registry, t)
+}
+
+// TestProbeTCPStartTLSPostgreSQL tests STARTTLS against a mock PostgreSQL server
+func TestProbeTCPStartTLSPostgreSQL(t *testing.T) {
+	server, certPEM, _, caFile, teardown, err := test.SetupTCPServer()
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer teardown()
+
+	server.StartPostgreSQL()
+	defer server.Close()
+
+	module := config.Module{
+		TCP: config.TCPProbe{
+			StartTLS: "postgres",
+		},
+		TLSConfig: config.TLSConfig{
+			CAFile:             caFile,
+			InsecureSkipVerify: false,
+		},
+	}
+
+	registry := prometheus.NewRegistry()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -338,7 +455,7 @@ func TestProbeTCPTimeout(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -349,7 +466,7 @@ func TestProbeTCPTimeout(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err == nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err == nil {
 		t.Fatalf("Expected error but returned error was nil")
 	}
 }
@@ -381,7 +498,7 @@ func TestProbeTCPOCSP(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile:             caFile,
 			InsecureSkipVerify: false,
 		},
@@ -392,7 +509,7 @@ func TestProbeTCPOCSP(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

@@ -463,7 +580,7 @@ func TestProbeTCPVerifiedChains(t *testing.T) {
 	defer server.Close()

 	module := config.Module{
-		TLSConfig: pconfig.TLSConfig{
+		TLSConfig: config.TLSConfig{
 			CAFile: caFile,
 		},
 	}
@@ -473,7 +590,7 @@ func TestProbeTCPVerifiedChains(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

-	if err := ProbeTCP(ctx, server.Listener.Addr().String(), module, registry); err != nil {
+	if err := ProbeTCP(ctx, newTestLogger(), server.Listener.Addr().String(), module, registry); err != nil {
 		t.Fatalf("error: %s", err)
 	}

--- a/prober/test.go
+++ b/prober/test.go
@@ -0,0 +1,11 @@
+package prober
+
+import (
+	"os"
+
+	"github.com/go-kit/log"
+)
+
+func newTestLogger() log.Logger {
+	return log.NewLogfmtLogger(log.NewSyncWriter(os.Stdout))
+}
--- a/prober/tls.go
+++ b/prober/tls.go
@@ -7,13 +7,13 @@ import (
 	"net"

 	"github.com/prometheus/client_golang/prometheus"
-	pconfig "github.com/prometheus/common/config"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
 )

 // newTLSConfig sets up TLS config and instruments it with a function that
 // collects metrics for the verified chain
-func newTLSConfig(target string, registry *prometheus.Registry, pTLSConfig *pconfig.TLSConfig) (*tls.Config, error) {
-	tlsConfig, err := pconfig.NewTLSConfig(pTLSConfig)
+func newTLSConfig(target string, registry *prometheus.Registry, cfg *config.TLSConfig) (*tls.Config, error) {
+	tlsConfig, err := config.NewTLSConfig(cfg)
 	if err != nil {
 		return nil, err
 	}
@@ -57,7 +57,7 @@ func contains(certs []*x509.Certificate, cert *x509.Certificate) bool {
 func decodeCertificates(data []byte) ([]*x509.Certificate, error) {
 	var certs []*x509.Certificate
 	for block, rest := pem.Decode(data); block != nil; block, rest = pem.Decode(rest) {
-		if block.Type == "CERTIFICATE" {
+		if block.Type == "CERTIFICATE" || block.Type == "TRUSTED CERTIFICATE" {
 			cert, err := x509.ParseCertificate(block.Bytes)
 			if err != nil {
 				return certs, err
--- a/prober/tls_test.go
+++ b/prober/tls_test.go
@@ -0,0 +1,86 @@
+package prober
+
+import (
+	"testing"
+)
+
+func TestDecodeCertificates(t *testing.T) {
+	data := []byte(`
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN TRUSTED CERTIFICATE-----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+-----END TRUSTED CERTIFICATE-----
+`)
+
+	certs, err := decodeCertificates(data)
+	if err != nil {
+		t.Errorf("unexpected error: %s", err)
+	}
+
+	if len(certs) != 2 {
+		t.Errorf("unexpected number of certs: %d", len(certs))
+	}
+}
--- a/ssl_exporter.go
+++ b/ssl_exporter.go
@@ -4,26 +4,35 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	"os"
 	"strconv"
 	"time"

+	"github.com/alecthomas/kingpin/v2"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 	"github.com/prometheus/client_golang/prometheus"
+	versioncollector "github.com/prometheus/client_golang/prometheus/collectors/version"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"github.com/prometheus/common/log"
+	"github.com/prometheus/common/promlog"
+	promlogflag "github.com/prometheus/common/promlog/flag"
 	"github.com/prometheus/common/version"
-	"github.com/ribbybibby/ssl_exporter/config"
-	"github.com/ribbybibby/ssl_exporter/prober"
-	"gopkg.in/alecthomas/kingpin.v2"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/prober"
 )

 const (
 	namespace = "ssl"
 )

-func probeHandler(w http.ResponseWriter, r *http.Request, conf *config.Config) {
+func probeHandler(logger log.Logger, w http.ResponseWriter, r *http.Request, conf *config.Config) {
 	moduleName := r.URL.Query().Get("module")
 	if moduleName == "" {
-		moduleName = "tcp"
+		moduleName = conf.DefaultModule
+		if moduleName == "" {
+			http.Error(w, "Module parameter must be set", http.StatusBadRequest)
+			return
+		}
 	}
 	module, ok := conf.Modules[moduleName]
 	if !ok {
@@ -56,10 +65,13 @@ func probeHandler(w http.ResponseWriter, r *http.Request, conf *config.Config) {
 	ctx, cancel := context.WithTimeout(r.Context(), timeout)
 	defer cancel()

-	target := r.URL.Query().Get("target")
+	target := module.Target
 	if target == "" {
-		http.Error(w, "Target parameter is missing", http.StatusBadRequest)
-		return
+		target = r.URL.Query().Get("target")
+		if target == "" {
+			http.Error(w, "Target parameter is missing", http.StatusBadRequest)
+			return
+		}
 	}

 	probeFunc, ok := prober.Probers[module.Prober]
@@ -88,9 +100,11 @@ func probeHandler(w http.ResponseWriter, r *http.Request, conf *config.Config) {
 	registry.MustRegister(probeSuccess, proberType)
 	proberType.WithLabelValues(module.Prober).Set(1)

-	err := probeFunc(ctx, target, module, registry)
+	logger = log.With(logger, "target", target, "prober", module.Prober, "timeout", timeout)
+
+	err := probeFunc(ctx, logger, target, module, registry)
 	if err != nil {
-		log.Errorf("error=%s target=%s prober=%s timeout=%s", err, target, module.Prober, timeout)
+		level.Error(logger).Log("msg", err)
 		probeSuccess.Set(0)
 	} else {
 		probeSuccess.Set(1)
@@ -102,7 +116,7 @@ func probeHandler(w http.ResponseWriter, r *http.Request, conf *config.Config) {
 }

 func init() {
-	prometheus.MustRegister(version.NewCollector(namespace + "_exporter"))
+	prometheus.MustRegister(versioncollector.NewCollector(namespace + "_exporter"))
 }

 func main() {
@@ -111,28 +125,32 @@ func main() {
 		metricsPath   = kingpin.Flag("web.metrics-path", "Path under which to expose metrics").Default("/metrics").String()
 		probePath     = kingpin.Flag("web.probe-path", "Path under which to expose the probe endpoint").Default("/probe").String()
 		configFile    = kingpin.Flag("config.file", "SSL exporter configuration file").Default("").String()
+		promlogConfig = promlog.Config{}
 		err           error
 	)

-	log.AddFlags(kingpin.CommandLine)
+	promlogflag.AddFlags(kingpin.CommandLine, &promlogConfig)
 	kingpin.Version(version.Print(namespace + "_exporter"))
 	kingpin.HelpFlag.Short('h')
 	kingpin.Parse()

+	logger := promlog.New(&promlogConfig)
+
 	conf := config.DefaultConfig
 	if *configFile != "" {
 		conf, err = config.LoadConfig(*configFile)
 		if err != nil {
-			log.Fatalln(err)
+			level.Error(logger).Log("msg", err)
+			os.Exit(1)
 		}
 	}

-	log.Infoln("Starting "+namespace+"_exporter", version.Info())
-	log.Infoln("Build context", version.BuildContext())
+	level.Info(logger).Log("msg", fmt.Sprintf("Starting %s_exporter %s", namespace, version.Info()))
+	level.Info(logger).Log("msg", fmt.Sprintf("Build context %s", version.BuildContext()))

 	http.Handle(*metricsPath, promhttp.Handler())
 	http.HandleFunc(*probePath, func(w http.ResponseWriter, r *http.Request) {
-		probeHandler(w, r, conf)
+		probeHandler(logger, w, r, conf)
 	})
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		_, _ = w.Write([]byte(`<html>
@@ -145,6 +163,7 @@ func main() {
 						 </html>`))
 	})

-	log.Infoln("Listening on", *listenAddress)
-	log.Fatal(http.ListenAndServe(*listenAddress, nil))
+	level.Info(logger).Log("msg", fmt.Sprintf("Listening on %s", *listenAddress))
+	level.Error(logger).Log("msg", http.ListenAndServe(*listenAddress, nil))
+	os.Exit(1)
 }
--- a/ssl_exporter_test.go
+++ b/ssl_exporter_test.go
@@ -3,12 +3,13 @@ package main
 import (
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"strings"
 	"testing"

-	pconfig "github.com/prometheus/common/config"
-	"github.com/ribbybibby/ssl_exporter/config"
-	"github.com/ribbybibby/ssl_exporter/test"
+	"github.com/go-kit/log"
+	"github.com/ribbybibby/ssl_exporter/v2/config"
+	"github.com/ribbybibby/ssl_exporter/v2/test"
 )

 // TestProbeHandler tests that the probe handler sets the ssl_probe_success and
@@ -27,7 +28,7 @@ func TestProbeHandler(t *testing.T) {
 		Modules: map[string]config.Module{
 			"https": config.Module{
 				Prober: "https",
-				TLSConfig: pconfig.TLSConfig{
+				TLSConfig: config.TLSConfig{
 					CAFile: caFile,
 				},
 			},
@@ -50,7 +51,7 @@ func TestProbeHandler(t *testing.T) {
 	}
 }

-// TestProbeHandler tests that the probe handler sets the ssl_probe_success and
+// TestProbeHandlerFail tests that the probe handler sets the ssl_probe_success and
 // ssl_prober metrics correctly when the probe fails
 func TestProbeHandlerFail(t *testing.T) {
 	rr, err := probe("localhost:6666", "", config.DefaultConfig)
@@ -69,6 +70,133 @@ func TestProbeHandlerFail(t *testing.T) {
 	}
 }

+// TestProbeHandlerDefaultModule tests the default module is used correctly
+func TestProbeHandlerDefaultModule(t *testing.T) {
+	server, _, _, caFile, teardown, err := test.SetupHTTPSServer()
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer teardown()
+
+	server.StartTLS()
+	defer server.Close()
+
+	conf := &config.Config{
+		DefaultModule: "https",
+		Modules: map[string]config.Module{
+			"tcp": config.Module{
+				Prober: "tcp",
+				TLSConfig: config.TLSConfig{
+					CAFile: caFile,
+				},
+			},
+			"https": config.Module{
+				Prober: "https",
+				TLSConfig: config.TLSConfig{
+					CAFile: caFile,
+				},
+			},
+		},
+	}
+
+	rr, err := probe(server.URL, "", conf)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	// Should have used the https prober
+	if ok := strings.Contains(rr.Body.String(), "ssl_prober{prober=\"https\"} 1"); !ok {
+		t.Errorf("expected `ssl_prober{prober=\"https\"} 1`")
+	}
+
+	conf.DefaultModule = ""
+
+	rr, err = probe(server.URL, "", conf)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	// It should fail when there's no default module
+	if rr.Code != http.StatusBadRequest {
+		t.Errorf("expected code: %d, got: %d", http.StatusBadRequest, rr.Code)
+	}
+
+}
+
+// TestProbeHandlerTarget tests the target module parameter is used correctly
+func TestProbeHandlerDefaultTarget(t *testing.T) {
+	server, _, _, caFile, teardown, err := test.SetupHTTPSServer()
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	defer teardown()
+
+	server.StartTLS()
+	defer server.Close()
+
+	conf := &config.Config{
+		Modules: map[string]config.Module{
+			"https": config.Module{
+				Prober: "https",
+				Target: server.URL,
+				TLSConfig: config.TLSConfig{
+					CAFile: caFile,
+				},
+			},
+		},
+	}
+
+	// Should use the target in the module configuration
+	rr, err := probe("", "https", conf)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	// Check probe success
+	if ok := strings.Contains(rr.Body.String(), "ssl_probe_success 1"); !ok {
+		t.Errorf("expected `ssl_probe_success 1`")
+	}
+
+	// Check prober metric
+	if ok := strings.Contains(rr.Body.String(), "ssl_prober{prober=\"https\"} 1"); !ok {
+		t.Errorf("expected `ssl_prober{prober=\"https\"} 1`")
+	}
+
+	// Should ignore a different target in the target parameter
+	rr, err = probe("localhost:6666", "https", conf)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	// Check probe success
+	if ok := strings.Contains(rr.Body.String(), "ssl_probe_success 1"); !ok {
+		t.Errorf("expected `ssl_probe_success 1`")
+	}
+
+	// Check prober metric
+	if ok := strings.Contains(rr.Body.String(), "ssl_prober{prober=\"https\"} 1"); !ok {
+		t.Errorf("expected `ssl_prober{prober=\"https\"} 1`")
+	}
+
+	conf.Modules["tcp"] = config.Module{
+		Prober: "tcp",
+		TLSConfig: config.TLSConfig{
+			CAFile: caFile,
+		},
+	}
+
+	rr, err = probe("", "tcp", conf)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	// It should fail when there's no target in the module configuration or
+	// the query parameters
+	if rr.Code != http.StatusBadRequest {
+		t.Errorf("expected code: %d, got: %d", http.StatusBadRequest, rr.Code)
+	}
+}
+
 func probe(target, module string, conf *config.Config) (*httptest.ResponseRecorder, error) {
 	uri := "/probe?target=" + target
 	if module != "" {
@@ -81,10 +209,14 @@ func probe(target, module string, conf *config.Config) (*httptest.ResponseRecord

 	rr := httptest.NewRecorder()
 	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		probeHandler(w, r, conf)
+		probeHandler(newTestLogger(), w, r, conf)
 	})

 	handler.ServeHTTP(rr, req)

 	return rr, nil
 }
+
+func newTestLogger() log.Logger {
+	return log.NewLogfmtLogger(log.NewSyncWriter(os.Stdout))
+}
--- a/test/tcp.go
+++ b/test/tcp.go
@@ -1,13 +1,16 @@
 package test

 import (
+	"bytes"
 	"crypto/tls"
 	"fmt"
+	"io"
 	"net"
 	"os"
 	"time"

-	"github.com/prometheus/common/log"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 )

 // TCPServer allows manipulation of the tls.Config before starting the listener
@@ -15,6 +18,7 @@ type TCPServer struct {
 	Listener net.Listener
 	TLS      *tls.Config
 	stopCh   chan struct{}
+	logger   log.Logger
 }

 // StartTLS starts a listener that performs an immediate TLS handshake
@@ -29,7 +33,7 @@ func (t *TCPServer) StartTLS() {

 		// Immediately upgrade to TLS.
 		if err := conn.(*tls.Conn).Handshake(); err != nil {
-			log.Errorln(err)
+			level.Error(t.logger).Log("msg", err)
 		} else {
 			// Send some bytes before terminating the connection.
 			fmt.Fprintf(conn, "Hello World!\n")
@@ -53,7 +57,7 @@ func (t *TCPServer) StartTLSWait(d time.Duration) {
 		time.Sleep(d)

 		if err := conn.(*tls.Conn).Handshake(); err != nil {
-			log.Errorln(err)
+			level.Error(t.logger).Log(err)
 		} else {
 			// Send some bytes before terminating the connection.
 			fmt.Fprintf(conn, "Hello World!\n")
@@ -93,7 +97,46 @@ func (t *TCPServer) StartSMTP() {
 		// Upgrade to TLS.
 		tlsConn := tls.Server(conn, t.TLS)
 		if err := tlsConn.Handshake(); err != nil {
-			log.Errorln(err)
+			level.Error(t.logger).Log("msg", err)
+		}
+		defer tlsConn.Close()
+
+		t.stopCh <- struct{}{}
+	}()
+}
+
+// StartSMTPWithDashInResponse starts a listener that negotiates a TLS connection with an smtp
+// client using STARTTLS. The server provides the STARTTLS response in the form '250 STARTTLS' 
+// (with a space, rather than a dash)
+func (t *TCPServer) StartSMTPWithDashInResponse() {
+	go func() {
+		conn, err := t.Listener.Accept()
+		if err != nil {
+			panic(fmt.Sprintf("Error accepting on socket: %s", err))
+		}
+		defer conn.Close()
+
+		if err := conn.SetDeadline(time.Now().Add(5 * time.Second)); err != nil {
+			panic("Error setting deadline")
+		}
+
+		fmt.Fprintf(conn, "220 ESMTP StartTLS pseudo-server\n")
+		if _, e := fmt.Fscanf(conn, "EHLO prober\n"); e != nil {
+			panic("Error in dialog. No EHLO received.")
+		}
+		fmt.Fprintf(conn, "250-pseudo-server.example.net\n")
+		fmt.Fprintf(conn, "250-DSN\n")
+		fmt.Fprintf(conn, "250 STARTTLS\n")
+
+		if _, e := fmt.Fscanf(conn, "STARTTLS\n"); e != nil {
+			panic("Error in dialog. No (TLS) STARTTLS received.")
+		}
+		fmt.Fprintf(conn, "220 2.0.0 Ready to start TLS\n")
+
+		// Upgrade to TLS.
+		tlsConn := tls.Server(conn, t.TLS)
+		if err := tlsConn.Handshake(); err != nil {
+			level.Error(t.logger).Log("msg", err)
 		}
 		defer tlsConn.Close()

@@ -120,7 +163,7 @@ func (t *TCPServer) StartFTP() {
 		// Upgrade to TLS.
 		tlsConn := tls.Server(conn, t.TLS)
 		if err := tlsConn.Handshake(); err != nil {
-			log.Errorln(err)
+			level.Error(t.logger).Log(err)
 		}
 		defer tlsConn.Close()

@@ -152,7 +195,73 @@ func (t *TCPServer) StartIMAP() {
 		// Upgrade to TLS.
 		tlsConn := tls.Server(conn, t.TLS)
 		if err := tlsConn.Handshake(); err != nil {
-			log.Errorln(err)
+			level.Error(t.logger).Log("msg", err)
+		}
+		defer tlsConn.Close()
+
+		t.stopCh <- struct{}{}
+	}()
+}
+
+// StartPOP3 starts a listener that negotiates a TLS connection with an pop3
+// client using STARTTLS
+func (t *TCPServer) StartPOP3() {
+	go func() {
+		conn, err := t.Listener.Accept()
+		if err != nil {
+			panic(fmt.Sprintf("Error accepting on socket: %s", err))
+		}
+		defer conn.Close()
+
+		fmt.Fprintf(conn, "+OK XPOP3 ready.\n")
+		if _, e := fmt.Fscanf(conn, "STLS\n"); e != nil {
+			panic("Error in dialog. No STLS received.")
+		}
+		fmt.Fprintf(conn, "+OK Begin TLS negotiation now.\n")
+
+		// Upgrade to TLS.
+		tlsConn := tls.Server(conn, t.TLS)
+		if err := tlsConn.Handshake(); err != nil {
+			level.Error(t.logger).Log("msg", err)
+		}
+		defer tlsConn.Close()
+
+		t.stopCh <- struct{}{}
+	}()
+}
+
+// StartPostgreSQL starts a listener that negotiates a TLS connection with an postgresql
+// client using STARTTLS
+func (t *TCPServer) StartPostgreSQL() {
+	go func() {
+		conn, err := t.Listener.Accept()
+		if err != nil {
+			panic(fmt.Sprintf("Error accepting on socket: %s", err))
+		}
+		defer conn.Close()
+
+		sslRequestMessage := []byte{0x00, 0x00, 0x00, 0x08, 0x04, 0xd2, 0x16, 0x2f}
+
+		buffer := make([]byte, len(sslRequestMessage))
+
+		_, err = io.ReadFull(conn, buffer)
+		if err != nil {
+			panic("Error reading input from client")
+		}
+
+		if bytes.Compare(buffer, sslRequestMessage) != 0 {
+			panic(fmt.Sprintf("Error in dialog. No %x received", buffer))
+		}
+
+		sslRequestResponse := []byte{0x53}
+
+		if _, err := conn.Write(sslRequestResponse); err != nil {
+			panic("Error writing response to client")
+		}
+
+		tlsConn := tls.Server(conn, t.TLS)
+		if err := tlsConn.Handshake(); err != nil {
+			level.Error(t.logger).Log("msg", err)
 		}
 		defer tlsConn.Close()

@@ -213,6 +322,7 @@ func SetupTCPServerWithCertAndKey(caPEM, certPEM, keyPEM []byte) (*TCPServer, st
 		Listener: ln,
 		TLS:      tlsConfig,
 		stopCh:   make(chan (struct{})),
+		logger:   log.NewLogfmtLogger(log.NewSyncWriter(os.Stdout)),
 	}

 	return server, caFile, teardown, err
--- a/vendor/github.com/alecthomas/template/LICENSE
+++ b/vendor/github.com/alecthomas/template/LICENSE
@@ -1,27 +0,0 @@
-Copyright (c) 2012 The Go Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- a/vendor/github.com/alecthomas/template/README.md
+++ b/vendor/github.com/alecthomas/template/README.md
@@ -1,25 +0,0 @@
-# Go's `text/template` package with newline elision
-
-This is a fork of Go 1.4's [text/template](http://golang.org/pkg/text/template/) package with one addition: a backslash immediately after a closing delimiter will delete all subsequent newlines until a non-newline.
-
-eg.
-
-```
-{{if true}}\
-hello
-{{end}}\
-```
-
-Will result in:
-
-```
-hello\n
-```
-
-Rather than:
-
-```
-\n
-hello\n
-\n
-```
--- a/vendor/github.com/alecthomas/template/doc.go
+++ b/vendor/github.com/alecthomas/template/doc.go
@@ -1,406 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-/*
-Package template implements data-driven templates for generating textual output.
-
-To generate HTML output, see package html/template, which has the same interface
-as this package but automatically secures HTML output against certain attacks.
-
-Templates are executed by applying them to a data structure. Annotations in the
-template refer to elements of the data structure (typically a field of a struct
-or a key in a map) to control execution and derive values to be displayed.
-Execution of the template walks the structure and sets the cursor, represented
-by a period '.' and called "dot", to the value at the current location in the
-structure as execution proceeds.
-
-The input text for a template is UTF-8-encoded text in any format.
-"Actions"--data evaluations or control structures--are delimited by
-"{{" and "}}"; all text outside actions is copied to the output unchanged.
-Actions may not span newlines, although comments can.
-
-Once parsed, a template may be executed safely in parallel.
-
-Here is a trivial example that prints "17 items are made of wool".
-
-	type Inventory struct {
-		Material string
-		Count    uint
-	}
-	sweaters := Inventory{"wool", 17}
-	tmpl, err := template.New("test").Parse("{{.Count}} items are made of {{.Material}}")
-	if err != nil { panic(err) }
-	err = tmpl.Execute(os.Stdout, sweaters)
-	if err != nil { panic(err) }
-
-More intricate examples appear below.
-
-Actions
-
-Here is the list of actions. "Arguments" and "pipelines" are evaluations of
-data, defined in detail below.
-
-*/
-//	{{/* a comment */}}
-//		A comment; discarded. May contain newlines.
-//		Comments do not nest and must start and end at the
-//		delimiters, as shown here.
-/*
-
-	{{pipeline}}
-		The default textual representation of the value of the pipeline
-		is copied to the output.
-
-	{{if pipeline}} T1 {{end}}
-		If the value of the pipeline is empty, no output is generated;
-		otherwise, T1 is executed.  The empty values are false, 0, any
-		nil pointer or interface value, and any array, slice, map, or
-		string of length zero.
-		Dot is unaffected.
-
-	{{if pipeline}} T1 {{else}} T0 {{end}}
-		If the value of the pipeline is empty, T0 is executed;
-		otherwise, T1 is executed.  Dot is unaffected.
-
-	{{if pipeline}} T1 {{else if pipeline}} T0 {{end}}
-		To simplify the appearance of if-else chains, the else action
-		of an if may include another if directly; the effect is exactly
-		the same as writing
-			{{if pipeline}} T1 {{else}}{{if pipeline}} T0 {{end}}{{end}}
-
-	{{range pipeline}} T1 {{end}}
-		The value of the pipeline must be an array, slice, map, or channel.
-		If the value of the pipeline has length zero, nothing is output;
-		otherwise, dot is set to the successive elements of the array,
-		slice, or map and T1 is executed. If the value is a map and the
-		keys are of basic type with a defined order ("comparable"), the
-		elements will be visited in sorted key order.
-
-	{{range pipeline}} T1 {{else}} T0 {{end}}
-		The value of the pipeline must be an array, slice, map, or channel.
-		If the value of the pipeline has length zero, dot is unaffected and
-		T0 is executed; otherwise, dot is set to the successive elements
-		of the array, slice, or map and T1 is executed.
-
-	{{template "name"}}
-		The template with the specified name is executed with nil data.
-
-	{{template "name" pipeline}}
-		The template with the specified name is executed with dot set
-		to the value of the pipeline.
-
-	{{with pipeline}} T1 {{end}}
-		If the value of the pipeline is empty, no output is generated;
-		otherwise, dot is set to the value of the pipeline and T1 is
-		executed.
-
-	{{with pipeline}} T1 {{else}} T0 {{end}}
-		If the value of the pipeline is empty, dot is unaffected and T0
-		is executed; otherwise, dot is set to the value of the pipeline
-		and T1 is executed.
-
-Arguments
-
-An argument is a simple value, denoted by one of the following.
-
-	- A boolean, string, character, integer, floating-point, imaginary
-	  or complex constant in Go syntax. These behave like Go's untyped
-	  constants, although raw strings may not span newlines.
-	- The keyword nil, representing an untyped Go nil.
-	- The character '.' (period):
-		.
-	  The result is the value of dot.
-	- A variable name, which is a (possibly empty) alphanumeric string
-	  preceded by a dollar sign, such as
-		$piOver2
-	  or
-		$
-	  The result is the value of the variable.
-	  Variables are described below.
-	- The name of a field of the data, which must be a struct, preceded
-	  by a period, such as
-		.Field
-	  The result is the value of the field. Field invocations may be
-	  chained:
-	    .Field1.Field2
-	  Fields can also be evaluated on variables, including chaining:
-	    $x.Field1.Field2
-	- The name of a key of the data, which must be a map, preceded
-	  by a period, such as
-		.Key
-	  The result is the map element value indexed by the key.
-	  Key invocations may be chained and combined with fields to any
-	  depth:
-	    .Field1.Key1.Field2.Key2
-	  Although the key must be an alphanumeric identifier, unlike with
-	  field names they do not need to start with an upper case letter.
-	  Keys can also be evaluated on variables, including chaining:
-	    $x.key1.key2
-	- The name of a niladic method of the data, preceded by a period,
-	  such as
-		.Method
-	  The result is the value of invoking the method with dot as the
-	  receiver, dot.Method(). Such a method must have one return value (of
-	  any type) or two return values, the second of which is an error.
-	  If it has two and the returned error is non-nil, execution terminates
-	  and an error is returned to the caller as the value of Execute.
-	  Method invocations may be chained and combined with fields and keys
-	  to any depth:
-	    .Field1.Key1.Method1.Field2.Key2.Method2
-	  Methods can also be evaluated on variables, including chaining:
-	    $x.Method1.Field
-	- The name of a niladic function, such as
-		fun
-	  The result is the value of invoking the function, fun(). The return
-	  types and values behave as in methods. Functions and function
-	  names are described below.
-	- A parenthesized instance of one the above, for grouping. The result
-	  may be accessed by a field or map key invocation.
-		print (.F1 arg1) (.F2 arg2)
-		(.StructValuedMethod "arg").Field
-
-Arguments may evaluate to any type; if they are pointers the implementation
-automatically indirects to the base type when required.
-If an evaluation yields a function value, such as a function-valued
-field of a struct, the function is not invoked automatically, but it
-can be used as a truth value for an if action and the like. To invoke
-it, use the call function, defined below.
-
-A pipeline is a possibly chained sequence of "commands". A command is a simple
-value (argument) or a function or method call, possibly with multiple arguments:
-
-	Argument
-		The result is the value of evaluating the argument.
-	.Method [Argument...]
-		The method can be alone or the last element of a chain but,
-		unlike methods in the middle of a chain, it can take arguments.
-		The result is the value of calling the method with the
-		arguments:
-			dot.Method(Argument1, etc.)
-	functionName [Argument...]
-		The result is the value of calling the function associated
-		with the name:
-			function(Argument1, etc.)
-		Functions and function names are described below.
-
-Pipelines
-
-A pipeline may be "chained" by separating a sequence of commands with pipeline
-characters '|'. In a chained pipeline, the result of the each command is
-passed as the last argument of the following command. The output of the final
-command in the pipeline is the value of the pipeline.
-
-The output of a command will be either one value or two values, the second of
-which has type error. If that second value is present and evaluates to
-non-nil, execution terminates and the error is returned to the caller of
-Execute.
-
-Variables
-
-A pipeline inside an action may initialize a variable to capture the result.
-The initialization has syntax
-
-	$variable := pipeline
-
-where $variable is the name of the variable. An action that declares a
-variable produces no output.
-
-If a "range" action initializes a variable, the variable is set to the
-successive elements of the iteration.  Also, a "range" may declare two
-variables, separated by a comma:
-
-	range $index, $element := pipeline
-
-in which case $index and $element are set to the successive values of the
-array/slice index or map key and element, respectively.  Note that if there is
-only one variable, it is assigned the element; this is opposite to the
-convention in Go range clauses.
-
-A variable's scope extends to the "end" action of the control structure ("if",
-"with", or "range") in which it is declared, or to the end of the template if
-there is no such control structure.  A template invocation does not inherit
-variables from the point of its invocation.
-
-When execution begins, $ is set to the data argument passed to Execute, that is,
-to the starting value of dot.
-
-Examples
-
-Here are some example one-line templates demonstrating pipelines and variables.
-All produce the quoted word "output":
-
-	{{"\"output\""}}
-		A string constant.
-	{{`"output"`}}
-		A raw string constant.
-	{{printf "%q" "output"}}
-		A function call.
-	{{"output" | printf "%q"}}
-		A function call whose final argument comes from the previous
-		command.
-	{{printf "%q" (print "out" "put")}}
-		A parenthesized argument.
-	{{"put" | printf "%s%s" "out" | printf "%q"}}
-		A more elaborate call.
-	{{"output" | printf "%s" | printf "%q"}}
-		A longer chain.
-	{{with "output"}}{{printf "%q" .}}{{end}}
-		A with action using dot.
-	{{with $x := "output" | printf "%q"}}{{$x}}{{end}}
-		A with action that creates and uses a variable.
-	{{with $x := "output"}}{{printf "%q" $x}}{{end}}
-		A with action that uses the variable in another action.
-	{{with $x := "output"}}{{$x | printf "%q"}}{{end}}
-		The same, but pipelined.
-
-Functions
-
-During execution functions are found in two function maps: first in the
-template, then in the global function map. By default, no functions are defined
-in the template but the Funcs method can be used to add them.
-
-Predefined global functions are named as follows.
-
-	and
-		Returns the boolean AND of its arguments by returning the
-		first empty argument or the last argument, that is,
-		"and x y" behaves as "if x then y else x". All the
-		arguments are evaluated.
-	call
-		Returns the result of calling the first argument, which
-		must be a function, with the remaining arguments as parameters.
-		Thus "call .X.Y 1 2" is, in Go notation, dot.X.Y(1, 2) where
-		Y is a func-valued field, map entry, or the like.
-		The first argument must be the result of an evaluation
-		that yields a value of function type (as distinct from
-		a predefined function such as print). The function must
-		return either one or two result values, the second of which
-		is of type error. If the arguments don't match the function
-		or the returned error value is non-nil, execution stops.
-	html
-		Returns the escaped HTML equivalent of the textual
-		representation of its arguments.
-	index
-		Returns the result of indexing its first argument by the
-		following arguments. Thus "index x 1 2 3" is, in Go syntax,
-		x[1][2][3]. Each indexed item must be a map, slice, or array.
-	js
-		Returns the escaped JavaScript equivalent of the textual
-		representation of its arguments.
-	len
-		Returns the integer length of its argument.
-	not
-		Returns the boolean negation of its single argument.
-	or
-		Returns the boolean OR of its arguments by returning the
-		first non-empty argument or the last argument, that is,
-		"or x y" behaves as "if x then x else y". All the
-		arguments are evaluated.
-	print
-		An alias for fmt.Sprint
-	printf
-		An alias for fmt.Sprintf
-	println
-		An alias for fmt.Sprintln
-	urlquery
-		Returns the escaped value of the textual representation of
-		its arguments in a form suitable for embedding in a URL query.
-
-The boolean functions take any zero value to be false and a non-zero
-value to be true.
-
-There is also a set of binary comparison operators defined as
-functions:
-
-	eq
-		Returns the boolean truth of arg1 == arg2
-	ne
-		Returns the boolean truth of arg1 != arg2
-	lt
-		Returns the boolean truth of arg1 < arg2
-	le
-		Returns the boolean truth of arg1 <= arg2
-	gt
-		Returns the boolean truth of arg1 > arg2
-	ge
-		Returns the boolean truth of arg1 >= arg2
-
-For simpler multi-way equality tests, eq (only) accepts two or more
-arguments and compares the second and subsequent to the first,
-returning in effect
-
-	arg1==arg2 || arg1==arg3 || arg1==arg4 ...
-
-(Unlike with || in Go, however, eq is a function call and all the
-arguments will be evaluated.)
-
-The comparison functions work on basic types only (or named basic
-types, such as "type Celsius float32"). They implement the Go rules
-for comparison of values, except that size and exact type are
-ignored, so any integer value, signed or unsigned, may be compared
-with any other integer value. (The arithmetic value is compared,
-not the bit pattern, so all negative integers are less than all
-unsigned integers.) However, as usual, one may not compare an int
-with a float32 and so on.
-
-Associated templates
-
-Each template is named by a string specified when it is created. Also, each
-template is associated with zero or more other templates that it may invoke by
-name; such associations are transitive and form a name space of templates.
-
-A template may use a template invocation to instantiate another associated
-template; see the explanation of the "template" action above. The name must be
-that of a template associated with the template that contains the invocation.
-
-Nested template definitions
-
-When parsing a template, another template may be defined and associated with the
-template being parsed. Template definitions must appear at the top level of the
-template, much like global variables in a Go program.
-
-The syntax of such definitions is to surround each template declaration with a
-"define" and "end" action.
-
-The define action names the template being created by providing a string
-constant. Here is a simple example:
-
-	`{{define "T1"}}ONE{{end}}
-	{{define "T2"}}TWO{{end}}
-	{{define "T3"}}{{template "T1"}} {{template "T2"}}{{end}}
-	{{template "T3"}}`
-
-This defines two templates, T1 and T2, and a third T3 that invokes the other two
-when it is executed. Finally it invokes T3. If executed this template will
-produce the text
-
-	ONE TWO
-
-By construction, a template may reside in only one association. If it's
-necessary to have a template addressable from multiple associations, the
-template definition must be parsed multiple times to create distinct *Template
-values, or must be copied with the Clone or AddParseTree method.
-
-Parse may be called multiple times to assemble the various associated templates;
-see the ParseFiles and ParseGlob functions and methods for simple ways to parse
-related templates stored in files.
-
-A template may be executed directly or through ExecuteTemplate, which executes
-an associated template identified by name. To invoke our example above, we
-might write,
-
-	err := tmpl.Execute(os.Stdout, "no data needed")
-	if err != nil {
-		log.Fatalf("execution failed: %s", err)
-	}
-
-or to invoke a particular template explicitly by name,
-
-	err := tmpl.ExecuteTemplate(os.Stdout, "T2", "no data needed")
-	if err != nil {
-		log.Fatalf("execution failed: %s", err)
-	}
-
-*/
-package template
--- a/vendor/github.com/alecthomas/template/exec.go
+++ b/vendor/github.com/alecthomas/template/exec.go
@@ -1,845 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package template
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"reflect"
-	"runtime"
-	"sort"
-	"strings"
-
-	"github.com/alecthomas/template/parse"
-)
-
-// state represents the state of an execution. It's not part of the
-// template so that multiple executions of the same template
-// can execute in parallel.
-type state struct {
-	tmpl *Template
-	wr   io.Writer
-	node parse.Node // current node, for errors
-	vars []variable // push-down stack of variable values.
-}
-
-// variable holds the dynamic value of a variable such as $, $x etc.
-type variable struct {
-	name  string
-	value reflect.Value
-}
-
-// push pushes a new variable on the stack.
-func (s *state) push(name string, value reflect.Value) {
-	s.vars = append(s.vars, variable{name, value})
-}
-
-// mark returns the length of the variable stack.
-func (s *state) mark() int {
-	return len(s.vars)
-}
-
-// pop pops the variable stack up to the mark.
-func (s *state) pop(mark int) {
-	s.vars = s.vars[0:mark]
-}
-
-// setVar overwrites the top-nth variable on the stack. Used by range iterations.
-func (s *state) setVar(n int, value reflect.Value) {
-	s.vars[len(s.vars)-n].value = value
-}
-
-// varValue returns the value of the named variable.
-func (s *state) varValue(name string) reflect.Value {
-	for i := s.mark() - 1; i >= 0; i-- {
-		if s.vars[i].name == name {
-			return s.vars[i].value
-		}
-	}
-	s.errorf("undefined variable: %s", name)
-	return zero
-}
-
-var zero reflect.Value
-
-// at marks the state to be on node n, for error reporting.
-func (s *state) at(node parse.Node) {
-	s.node = node
-}
-
-// doublePercent returns the string with %'s replaced by %%, if necessary,
-// so it can be used safely inside a Printf format string.
-func doublePercent(str string) string {
-	if strings.Contains(str, "%") {
-		str = strings.Replace(str, "%", "%%", -1)
-	}
-	return str
-}
-
-// errorf formats the error and terminates processing.
-func (s *state) errorf(format string, args ...interface{}) {
-	name := doublePercent(s.tmpl.Name())
-	if s.node == nil {
-		format = fmt.Sprintf("template: %s: %s", name, format)
-	} else {
-		location, context := s.tmpl.ErrorContext(s.node)
-		format = fmt.Sprintf("template: %s: executing %q at <%s>: %s", location, name, doublePercent(context), format)
-	}
-	panic(fmt.Errorf(format, args...))
-}
-
-// errRecover is the handler that turns panics into returns from the top
-// level of Parse.
-func errRecover(errp *error) {
-	e := recover()
-	if e != nil {
-		switch err := e.(type) {
-		case runtime.Error:
-			panic(e)
-		case error:
-			*errp = err
-		default:
-			panic(e)
-		}
-	}
-}
-
-// ExecuteTemplate applies the template associated with t that has the given name
-// to the specified data object and writes the output to wr.
-// If an error occurs executing the template or writing its output,
-// execution stops, but partial results may already have been written to
-// the output writer.
-// A template may be executed safely in parallel.
-func (t *Template) ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
-	tmpl := t.tmpl[name]
-	if tmpl == nil {
-		return fmt.Errorf("template: no template %q associated with template %q", name, t.name)
-	}
-	return tmpl.Execute(wr, data)
-}
-
-// Execute applies a parsed template to the specified data object,
-// and writes the output to wr.
-// If an error occurs executing the template or writing its output,
-// execution stops, but partial results may already have been written to
-// the output writer.
-// A template may be executed safely in parallel.
-func (t *Template) Execute(wr io.Writer, data interface{}) (err error) {
-	defer errRecover(&err)
-	value := reflect.ValueOf(data)
-	state := &state{
-		tmpl: t,
-		wr:   wr,
-		vars: []variable{{"$", value}},
-	}
-	t.init()
-	if t.Tree == nil || t.Root == nil {
-		var b bytes.Buffer
-		for name, tmpl := range t.tmpl {
-			if tmpl.Tree == nil || tmpl.Root == nil {
-				continue
-			}
-			if b.Len() > 0 {
-				b.WriteString(", ")
-			}
-			fmt.Fprintf(&b, "%q", name)
-		}
-		var s string
-		if b.Len() > 0 {
-			s = "; defined templates are: " + b.String()
-		}
-		state.errorf("%q is an incomplete or empty template%s", t.Name(), s)
-	}
-	state.walk(value, t.Root)
-	return
-}
-
-// Walk functions step through the major pieces of the template structure,
-// generating output as they go.
-func (s *state) walk(dot reflect.Value, node parse.Node) {
-	s.at(node)
-	switch node := node.(type) {
-	case *parse.ActionNode:
-		// Do not pop variables so they persist until next end.
-		// Also, if the action declares variables, don't print the result.
-		val := s.evalPipeline(dot, node.Pipe)
-		if len(node.Pipe.Decl) == 0 {
-			s.printValue(node, val)
-		}
-	case *parse.IfNode:
-		s.walkIfOrWith(parse.NodeIf, dot, node.Pipe, node.List, node.ElseList)
-	case *parse.ListNode:
-		for _, node := range node.Nodes {
-			s.walk(dot, node)
-		}
-	case *parse.RangeNode:
-		s.walkRange(dot, node)
-	case *parse.TemplateNode:
-		s.walkTemplate(dot, node)
-	case *parse.TextNode:
-		if _, err := s.wr.Write(node.Text); err != nil {
-			s.errorf("%s", err)
-		}
-	case *parse.WithNode:
-		s.walkIfOrWith(parse.NodeWith, dot, node.Pipe, node.List, node.ElseList)
-	default:
-		s.errorf("unknown node: %s", node)
-	}
-}
-
-// walkIfOrWith walks an 'if' or 'with' node. The two control structures
-// are identical in behavior except that 'with' sets dot.
-func (s *state) walkIfOrWith(typ parse.NodeType, dot reflect.Value, pipe *parse.PipeNode, list, elseList *parse.ListNode) {
-	defer s.pop(s.mark())
-	val := s.evalPipeline(dot, pipe)
-	truth, ok := isTrue(val)
-	if !ok {
-		s.errorf("if/with can't use %v", val)
-	}
-	if truth {
-		if typ == parse.NodeWith {
-			s.walk(val, list)
-		} else {
-			s.walk(dot, list)
-		}
-	} else if elseList != nil {
-		s.walk(dot, elseList)
-	}
-}
-
-// isTrue reports whether the value is 'true', in the sense of not the zero of its type,
-// and whether the value has a meaningful truth value.
-func isTrue(val reflect.Value) (truth, ok bool) {
-	if !val.IsValid() {
-		// Something like var x interface{}, never set. It's a form of nil.
-		return false, true
-	}
-	switch val.Kind() {
-	case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
-		truth = val.Len() > 0
-	case reflect.Bool:
-		truth = val.Bool()
-	case reflect.Complex64, reflect.Complex128:
-		truth = val.Complex() != 0
-	case reflect.Chan, reflect.Func, reflect.Ptr, reflect.Interface:
-		truth = !val.IsNil()
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		truth = val.Int() != 0
-	case reflect.Float32, reflect.Float64:
-		truth = val.Float() != 0
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		truth = val.Uint() != 0
-	case reflect.Struct:
-		truth = true // Struct values are always true.
-	default:
-		return
-	}
-	return truth, true
-}
-
-func (s *state) walkRange(dot reflect.Value, r *parse.RangeNode) {
-	s.at(r)
-	defer s.pop(s.mark())
-	val, _ := indirect(s.evalPipeline(dot, r.Pipe))
-	// mark top of stack before any variables in the body are pushed.
-	mark := s.mark()
-	oneIteration := func(index, elem reflect.Value) {
-		// Set top var (lexically the second if there are two) to the element.
-		if len(r.Pipe.Decl) > 0 {
-			s.setVar(1, elem)
-		}
-		// Set next var (lexically the first if there are two) to the index.
-		if len(r.Pipe.Decl) > 1 {
-			s.setVar(2, index)
-		}
-		s.walk(elem, r.List)
-		s.pop(mark)
-	}
-	switch val.Kind() {
-	case reflect.Array, reflect.Slice:
-		if val.Len() == 0 {
-			break
-		}
-		for i := 0; i < val.Len(); i++ {
-			oneIteration(reflect.ValueOf(i), val.Index(i))
-		}
-		return
-	case reflect.Map:
-		if val.Len() == 0 {
-			break
-		}
-		for _, key := range sortKeys(val.MapKeys()) {
-			oneIteration(key, val.MapIndex(key))
-		}
-		return
-	case reflect.Chan:
-		if val.IsNil() {
-			break
-		}
-		i := 0
-		for ; ; i++ {
-			elem, ok := val.Recv()
-			if !ok {
-				break
-			}
-			oneIteration(reflect.ValueOf(i), elem)
-		}
-		if i == 0 {
-			break
-		}
-		return
-	case reflect.Invalid:
-		break // An invalid value is likely a nil map, etc. and acts like an empty map.
-	default:
-		s.errorf("range can't iterate over %v", val)
-	}
-	if r.ElseList != nil {
-		s.walk(dot, r.ElseList)
-	}
-}
-
-func (s *state) walkTemplate(dot reflect.Value, t *parse.TemplateNode) {
-	s.at(t)
-	tmpl := s.tmpl.tmpl[t.Name]
-	if tmpl == nil {
-		s.errorf("template %q not defined", t.Name)
-	}
-	// Variables declared by the pipeline persist.
-	dot = s.evalPipeline(dot, t.Pipe)
-	newState := *s
-	newState.tmpl = tmpl
-	// No dynamic scoping: template invocations inherit no variables.
-	newState.vars = []variable{{"$", dot}}
-	newState.walk(dot, tmpl.Root)
-}
-
-// Eval functions evaluate pipelines, commands, and their elements and extract
-// values from the data structure by examining fields, calling methods, and so on.
-// The printing of those values happens only through walk functions.
-
-// evalPipeline returns the value acquired by evaluating a pipeline. If the
-// pipeline has a variable declaration, the variable will be pushed on the
-// stack. Callers should therefore pop the stack after they are finished
-// executing commands depending on the pipeline value.
-func (s *state) evalPipeline(dot reflect.Value, pipe *parse.PipeNode) (value reflect.Value) {
-	if pipe == nil {
-		return
-	}
-	s.at(pipe)
-	for _, cmd := range pipe.Cmds {
-		value = s.evalCommand(dot, cmd, value) // previous value is this one's final arg.
-		// If the object has type interface{}, dig down one level to the thing inside.
-		if value.Kind() == reflect.Interface && value.Type().NumMethod() == 0 {
-			value = reflect.ValueOf(value.Interface()) // lovely!
-		}
-	}
-	for _, variable := range pipe.Decl {
-		s.push(variable.Ident[0], value)
-	}
-	return value
-}
-
-func (s *state) notAFunction(args []parse.Node, final reflect.Value) {
-	if len(args) > 1 || final.IsValid() {
-		s.errorf("can't give argument to non-function %s", args[0])
-	}
-}
-
-func (s *state) evalCommand(dot reflect.Value, cmd *parse.CommandNode, final reflect.Value) reflect.Value {
-	firstWord := cmd.Args[0]
-	switch n := firstWord.(type) {
-	case *parse.FieldNode:
-		return s.evalFieldNode(dot, n, cmd.Args, final)
-	case *parse.ChainNode:
-		return s.evalChainNode(dot, n, cmd.Args, final)
-	case *parse.IdentifierNode:
-		// Must be a function.
-		return s.evalFunction(dot, n, cmd, cmd.Args, final)
-	case *parse.PipeNode:
-		// Parenthesized pipeline. The arguments are all inside the pipeline; final is ignored.
-		return s.evalPipeline(dot, n)
-	case *parse.VariableNode:
-		return s.evalVariableNode(dot, n, cmd.Args, final)
-	}
-	s.at(firstWord)
-	s.notAFunction(cmd.Args, final)
-	switch word := firstWord.(type) {
-	case *parse.BoolNode:
-		return reflect.ValueOf(word.True)
-	case *parse.DotNode:
-		return dot
-	case *parse.NilNode:
-		s.errorf("nil is not a command")
-	case *parse.NumberNode:
-		return s.idealConstant(word)
-	case *parse.StringNode:
-		return reflect.ValueOf(word.Text)
-	}
-	s.errorf("can't evaluate command %q", firstWord)
-	panic("not reached")
-}
-
-// idealConstant is called to return the value of a number in a context where
-// we don't know the type. In that case, the syntax of the number tells us
-// its type, and we use Go rules to resolve.  Note there is no such thing as
-// a uint ideal constant in this situation - the value must be of int type.
-func (s *state) idealConstant(constant *parse.NumberNode) reflect.Value {
-	// These are ideal constants but we don't know the type
-	// and we have no context.  (If it was a method argument,
-	// we'd know what we need.) The syntax guides us to some extent.
-	s.at(constant)
-	switch {
-	case constant.IsComplex:
-		return reflect.ValueOf(constant.Complex128) // incontrovertible.
-	case constant.IsFloat && !isHexConstant(constant.Text) && strings.IndexAny(constant.Text, ".eE") >= 0:
-		return reflect.ValueOf(constant.Float64)
-	case constant.IsInt:
-		n := int(constant.Int64)
-		if int64(n) != constant.Int64 {
-			s.errorf("%s overflows int", constant.Text)
-		}
-		return reflect.ValueOf(n)
-	case constant.IsUint:
-		s.errorf("%s overflows int", constant.Text)
-	}
-	return zero
-}
-
-func isHexConstant(s string) bool {
-	return len(s) > 2 && s[0] == '0' && (s[1] == 'x' || s[1] == 'X')
-}
-
-func (s *state) evalFieldNode(dot reflect.Value, field *parse.FieldNode, args []parse.Node, final reflect.Value) reflect.Value {
-	s.at(field)
-	return s.evalFieldChain(dot, dot, field, field.Ident, args, final)
-}
-
-func (s *state) evalChainNode(dot reflect.Value, chain *parse.ChainNode, args []parse.Node, final reflect.Value) reflect.Value {
-	s.at(chain)
-	// (pipe).Field1.Field2 has pipe as .Node, fields as .Field. Eval the pipeline, then the fields.
-	pipe := s.evalArg(dot, nil, chain.Node)
-	if len(chain.Field) == 0 {
-		s.errorf("internal error: no fields in evalChainNode")
-	}
-	return s.evalFieldChain(dot, pipe, chain, chain.Field, args, final)
-}
-
-func (s *state) evalVariableNode(dot reflect.Value, variable *parse.VariableNode, args []parse.Node, final reflect.Value) reflect.Value {
-	// $x.Field has $x as the first ident, Field as the second. Eval the var, then the fields.
-	s.at(variable)
-	value := s.varValue(variable.Ident[0])
-	if len(variable.Ident) == 1 {
-		s.notAFunction(args, final)
-		return value
-	}
-	return s.evalFieldChain(dot, value, variable, variable.Ident[1:], args, final)
-}
-
-// evalFieldChain evaluates .X.Y.Z possibly followed by arguments.
-// dot is the environment in which to evaluate arguments, while
-// receiver is the value being walked along the chain.
-func (s *state) evalFieldChain(dot, receiver reflect.Value, node parse.Node, ident []string, args []parse.Node, final reflect.Value) reflect.Value {
-	n := len(ident)
-	for i := 0; i < n-1; i++ {
-		receiver = s.evalField(dot, ident[i], node, nil, zero, receiver)
-	}
-	// Now if it's a method, it gets the arguments.
-	return s.evalField(dot, ident[n-1], node, args, final, receiver)
-}
-
-func (s *state) evalFunction(dot reflect.Value, node *parse.IdentifierNode, cmd parse.Node, args []parse.Node, final reflect.Value) reflect.Value {
-	s.at(node)
-	name := node.Ident
-	function, ok := findFunction(name, s.tmpl)
-	if !ok {
-		s.errorf("%q is not a defined function", name)
-	}
-	return s.evalCall(dot, function, cmd, name, args, final)
-}
-
-// evalField evaluates an expression like (.Field) or (.Field arg1 arg2).
-// The 'final' argument represents the return value from the preceding
-// value of the pipeline, if any.
-func (s *state) evalField(dot reflect.Value, fieldName string, node parse.Node, args []parse.Node, final, receiver reflect.Value) reflect.Value {
-	if !receiver.IsValid() {
-		return zero
-	}
-	typ := receiver.Type()
-	receiver, _ = indirect(receiver)
-	// Unless it's an interface, need to get to a value of type *T to guarantee
-	// we see all methods of T and *T.
-	ptr := receiver
-	if ptr.Kind() != reflect.Interface && ptr.CanAddr() {
-		ptr = ptr.Addr()
-	}
-	if method := ptr.MethodByName(fieldName); method.IsValid() {
-		return s.evalCall(dot, method, node, fieldName, args, final)
-	}
-	hasArgs := len(args) > 1 || final.IsValid()
-	// It's not a method; must be a field of a struct or an element of a map. The receiver must not be nil.
-	receiver, isNil := indirect(receiver)
-	if isNil {
-		s.errorf("nil pointer evaluating %s.%s", typ, fieldName)
-	}
-	switch receiver.Kind() {
-	case reflect.Struct:
-		tField, ok := receiver.Type().FieldByName(fieldName)
-		if ok {
-			field := receiver.FieldByIndex(tField.Index)
-			if tField.PkgPath != "" { // field is unexported
-				s.errorf("%s is an unexported field of struct type %s", fieldName, typ)
-			}
-			// If it's a function, we must call it.
-			if hasArgs {
-				s.errorf("%s has arguments but cannot be invoked as function", fieldName)
-			}
-			return field
-		}
-		s.errorf("%s is not a field of struct type %s", fieldName, typ)
-	case reflect.Map:
-		// If it's a map, attempt to use the field name as a key.
-		nameVal := reflect.ValueOf(fieldName)
-		if nameVal.Type().AssignableTo(receiver.Type().Key()) {
-			if hasArgs {
-				s.errorf("%s is not a method but has arguments", fieldName)
-			}
-			return receiver.MapIndex(nameVal)
-		}
-	}
-	s.errorf("can't evaluate field %s in type %s", fieldName, typ)
-	panic("not reached")
-}
-
-var (
-	errorType       = reflect.TypeOf((*error)(nil)).Elem()
-	fmtStringerType = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
-)
-
-// evalCall executes a function or method call. If it's a method, fun already has the receiver bound, so
-// it looks just like a function call.  The arg list, if non-nil, includes (in the manner of the shell), arg[0]
-// as the function itself.
-func (s *state) evalCall(dot, fun reflect.Value, node parse.Node, name string, args []parse.Node, final reflect.Value) reflect.Value {
-	if args != nil {
-		args = args[1:] // Zeroth arg is function name/node; not passed to function.
-	}
-	typ := fun.Type()
-	numIn := len(args)
-	if final.IsValid() {
-		numIn++
-	}
-	numFixed := len(args)
-	if typ.IsVariadic() {
-		numFixed = typ.NumIn() - 1 // last arg is the variadic one.
-		if numIn < numFixed {
-			s.errorf("wrong number of args for %s: want at least %d got %d", name, typ.NumIn()-1, len(args))
-		}
-	} else if numIn < typ.NumIn()-1 || !typ.IsVariadic() && numIn != typ.NumIn() {
-		s.errorf("wrong number of args for %s: want %d got %d", name, typ.NumIn(), len(args))
-	}
-	if !goodFunc(typ) {
-		// TODO: This could still be a confusing error; maybe goodFunc should provide info.
-		s.errorf("can't call method/function %q with %d results", name, typ.NumOut())
-	}
-	// Build the arg list.
-	argv := make([]reflect.Value, numIn)
-	// Args must be evaluated. Fixed args first.
-	i := 0
-	for ; i < numFixed && i < len(args); i++ {
-		argv[i] = s.evalArg(dot, typ.In(i), args[i])
-	}
-	// Now the ... args.
-	if typ.IsVariadic() {
-		argType := typ.In(typ.NumIn() - 1).Elem() // Argument is a slice.
-		for ; i < len(args); i++ {
-			argv[i] = s.evalArg(dot, argType, args[i])
-		}
-	}
-	// Add final value if necessary.
-	if final.IsValid() {
-		t := typ.In(typ.NumIn() - 1)
-		if typ.IsVariadic() {
-			t = t.Elem()
-		}
-		argv[i] = s.validateType(final, t)
-	}
-	result := fun.Call(argv)
-	// If we have an error that is not nil, stop execution and return that error to the caller.
-	if len(result) == 2 && !result[1].IsNil() {
-		s.at(node)
-		s.errorf("error calling %s: %s", name, result[1].Interface().(error))
-	}
-	return result[0]
-}
-
-// canBeNil reports whether an untyped nil can be assigned to the type. See reflect.Zero.
-func canBeNil(typ reflect.Type) bool {
-	switch typ.Kind() {
-	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
-		return true
-	}
-	return false
-}
-
-// validateType guarantees that the value is valid and assignable to the type.
-func (s *state) validateType(value reflect.Value, typ reflect.Type) reflect.Value {
-	if !value.IsValid() {
-		if typ == nil || canBeNil(typ) {
-			// An untyped nil interface{}. Accept as a proper nil value.
-			return reflect.Zero(typ)
-		}
-		s.errorf("invalid value; expected %s", typ)
-	}
-	if typ != nil && !value.Type().AssignableTo(typ) {
-		if value.Kind() == reflect.Interface && !value.IsNil() {
-			value = value.Elem()
-			if value.Type().AssignableTo(typ) {
-				return value
-			}
-			// fallthrough
-		}
-		// Does one dereference or indirection work? We could do more, as we
-		// do with method receivers, but that gets messy and method receivers
-		// are much more constrained, so it makes more sense there than here.
-		// Besides, one is almost always all you need.
-		switch {
-		case value.Kind() == reflect.Ptr && value.Type().Elem().AssignableTo(typ):
-			value = value.Elem()
-			if !value.IsValid() {
-				s.errorf("dereference of nil pointer of type %s", typ)
-			}
-		case reflect.PtrTo(value.Type()).AssignableTo(typ) && value.CanAddr():
-			value = value.Addr()
-		default:
-			s.errorf("wrong type for value; expected %s; got %s", typ, value.Type())
-		}
-	}
-	return value
-}
-
-func (s *state) evalArg(dot reflect.Value, typ reflect.Type, n parse.Node) reflect.Value {
-	s.at(n)
-	switch arg := n.(type) {
-	case *parse.DotNode:
-		return s.validateType(dot, typ)
-	case *parse.NilNode:
-		if canBeNil(typ) {
-			return reflect.Zero(typ)
-		}
-		s.errorf("cannot assign nil to %s", typ)
-	case *parse.FieldNode:
-		return s.validateType(s.evalFieldNode(dot, arg, []parse.Node{n}, zero), typ)
-	case *parse.VariableNode:
-		return s.validateType(s.evalVariableNode(dot, arg, nil, zero), typ)
-	case *parse.PipeNode:
-		return s.validateType(s.evalPipeline(dot, arg), typ)
-	case *parse.IdentifierNode:
-		return s.evalFunction(dot, arg, arg, nil, zero)
-	case *parse.ChainNode:
-		return s.validateType(s.evalChainNode(dot, arg, nil, zero), typ)
-	}
-	switch typ.Kind() {
-	case reflect.Bool:
-		return s.evalBool(typ, n)
-	case reflect.Complex64, reflect.Complex128:
-		return s.evalComplex(typ, n)
-	case reflect.Float32, reflect.Float64:
-		return s.evalFloat(typ, n)
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return s.evalInteger(typ, n)
-	case reflect.Interface:
-		if typ.NumMethod() == 0 {
-			return s.evalEmptyInterface(dot, n)
-		}
-	case reflect.String:
-		return s.evalString(typ, n)
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return s.evalUnsignedInteger(typ, n)
-	}
-	s.errorf("can't handle %s for arg of type %s", n, typ)
-	panic("not reached")
-}
-
-func (s *state) evalBool(typ reflect.Type, n parse.Node) reflect.Value {
-	s.at(n)
-	if n, ok := n.(*parse.BoolNode); ok {
-		value := reflect.New(typ).Elem()
-		value.SetBool(n.True)
-		return value
-	}
-	s.errorf("expected bool; found %s", n)
-	panic("not reached")
-}
-
-func (s *state) evalString(typ reflect.Type, n parse.Node) reflect.Value {
-	s.at(n)
-	if n, ok := n.(*parse.StringNode); ok {
-		value := reflect.New(typ).Elem()
-		value.SetString(n.Text)
-		return value
-	}
-	s.errorf("expected string; found %s", n)
-	panic("not reached")
-}
-
-func (s *state) evalInteger(typ reflect.Type, n parse.Node) reflect.Value {
-	s.at(n)
-	if n, ok := n.(*parse.NumberNode); ok && n.IsInt {
-		value := reflect.New(typ).Elem()
-		value.SetInt(n.Int64)
-		return value
-	}
-	s.errorf("expected integer; found %s", n)
-	panic("not reached")
-}
-
-func (s *state) evalUnsignedInteger(typ reflect.Type, n parse.Node) reflect.Value {
-	s.at(n)
-	if n, ok := n.(*parse.NumberNode); ok && n.IsUint {
-		value := reflect.New(typ).Elem()
-		value.SetUint(n.Uint64)
-		return value
-	}
-	s.errorf("expected unsigned integer; found %s", n)
-	panic("not reached")
-}
-
-func (s *state) evalFloat(typ reflect.Type, n parse.Node) reflect.Value {
-	s.at(n)
-	if n, ok := n.(*parse.NumberNode); ok && n.IsFloat {
-		value := reflect.New(typ).Elem()
-		value.SetFloat(n.Float64)
-		return value
-	}
-	s.errorf("expected float; found %s", n)
-	panic("not reached")
-}
-
-func (s *state) evalComplex(typ reflect.Type, n parse.Node) reflect.Value {
-	if n, ok := n.(*parse.NumberNode); ok && n.IsComplex {
-		value := reflect.New(typ).Elem()
-		value.SetComplex(n.Complex128)
-		return value
-	}
-	s.errorf("expected complex; found %s", n)
-	panic("not reached")
-}
-
-func (s *state) evalEmptyInterface(dot reflect.Value, n parse.Node) reflect.Value {
-	s.at(n)
-	switch n := n.(type) {
-	case *parse.BoolNode:
-		return reflect.ValueOf(n.True)
-	case *parse.DotNode:
-		return dot
-	case *parse.FieldNode:
-		return s.evalFieldNode(dot, n, nil, zero)
-	case *parse.IdentifierNode:
-		return s.evalFunction(dot, n, n, nil, zero)
-	case *parse.NilNode:
-		// NilNode is handled in evalArg, the only place that calls here.
-		s.errorf("evalEmptyInterface: nil (can't happen)")
-	case *parse.NumberNode:
-		return s.idealConstant(n)
-	case *parse.StringNode:
-		return reflect.ValueOf(n.Text)
-	case *parse.VariableNode:
-		return s.evalVariableNode(dot, n, nil, zero)
-	case *parse.PipeNode:
-		return s.evalPipeline(dot, n)
-	}
-	s.errorf("can't handle assignment of %s to empty interface argument", n)
-	panic("not reached")
-}
-
-// indirect returns the item at the end of indirection, and a bool to indicate if it's nil.
-// We indirect through pointers and empty interfaces (only) because
-// non-empty interfaces have methods we might need.
-func indirect(v reflect.Value) (rv reflect.Value, isNil bool) {
-	for ; v.Kind() == reflect.Ptr || v.Kind() == reflect.Interface; v = v.Elem() {
-		if v.IsNil() {
-			return v, true
-		}
-		if v.Kind() == reflect.Interface && v.NumMethod() > 0 {
-			break
-		}
-	}
-	return v, false
-}
-
-// printValue writes the textual representation of the value to the output of
-// the template.
-func (s *state) printValue(n parse.Node, v reflect.Value) {
-	s.at(n)
-	iface, ok := printableValue(v)
-	if !ok {
-		s.errorf("can't print %s of type %s", n, v.Type())
-	}
-	fmt.Fprint(s.wr, iface)
-}
-
-// printableValue returns the, possibly indirected, interface value inside v that
-// is best for a call to formatted printer.
-func printableValue(v reflect.Value) (interface{}, bool) {
-	if v.Kind() == reflect.Ptr {
-		v, _ = indirect(v) // fmt.Fprint handles nil.
-	}
-	if !v.IsValid() {
-		return "<no value>", true
-	}
-
-	if !v.Type().Implements(errorType) && !v.Type().Implements(fmtStringerType) {
-		if v.CanAddr() && (reflect.PtrTo(v.Type()).Implements(errorType) || reflect.PtrTo(v.Type()).Implements(fmtStringerType)) {
-			v = v.Addr()
-		} else {
-			switch v.Kind() {
-			case reflect.Chan, reflect.Func:
-				return nil, false
-			}
-		}
-	}
-	return v.Interface(), true
-}
-
-// Types to help sort the keys in a map for reproducible output.
-
-type rvs []reflect.Value
-
-func (x rvs) Len() int      { return len(x) }
-func (x rvs) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
-
-type rvInts struct{ rvs }
-
-func (x rvInts) Less(i, j int) bool { return x.rvs[i].Int() < x.rvs[j].Int() }
-
-type rvUints struct{ rvs }
-
-func (x rvUints) Less(i, j int) bool { return x.rvs[i].Uint() < x.rvs[j].Uint() }
-
-type rvFloats struct{ rvs }
-
-func (x rvFloats) Less(i, j int) bool { return x.rvs[i].Float() < x.rvs[j].Float() }
-
-type rvStrings struct{ rvs }
-
-func (x rvStrings) Less(i, j int) bool { return x.rvs[i].String() < x.rvs[j].String() }
-
-// sortKeys sorts (if it can) the slice of reflect.Values, which is a slice of map keys.
-func sortKeys(v []reflect.Value) []reflect.Value {
-	if len(v) <= 1 {
-		return v
-	}
-	switch v[0].Kind() {
-	case reflect.Float32, reflect.Float64:
-		sort.Sort(rvFloats{v})
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		sort.Sort(rvInts{v})
-	case reflect.String:
-		sort.Sort(rvStrings{v})
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		sort.Sort(rvUints{v})
-	}
-	return v
-}
--- a/vendor/github.com/alecthomas/template/funcs.go
+++ b/vendor/github.com/alecthomas/template/funcs.go
@@ -1,598 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package template
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"io"
-	"net/url"
-	"reflect"
-	"strings"
-	"unicode"
-	"unicode/utf8"
-)
-
-// FuncMap is the type of the map defining the mapping from names to functions.
-// Each function must have either a single return value, or two return values of
-// which the second has type error. In that case, if the second (error)
-// return value evaluates to non-nil during execution, execution terminates and
-// Execute returns that error.
-type FuncMap map[string]interface{}
-
-var builtins = FuncMap{
-	"and":      and,
-	"call":     call,
-	"html":     HTMLEscaper,
-	"index":    index,
-	"js":       JSEscaper,
-	"len":      length,
-	"not":      not,
-	"or":       or,
-	"print":    fmt.Sprint,
-	"printf":   fmt.Sprintf,
-	"println":  fmt.Sprintln,
-	"urlquery": URLQueryEscaper,
-
-	// Comparisons
-	"eq": eq, // ==
-	"ge": ge, // >=
-	"gt": gt, // >
-	"le": le, // <=
-	"lt": lt, // <
-	"ne": ne, // !=
-}
-
-var builtinFuncs = createValueFuncs(builtins)
-
-// createValueFuncs turns a FuncMap into a map[string]reflect.Value
-func createValueFuncs(funcMap FuncMap) map[string]reflect.Value {
-	m := make(map[string]reflect.Value)
-	addValueFuncs(m, funcMap)
-	return m
-}
-
-// addValueFuncs adds to values the functions in funcs, converting them to reflect.Values.
-func addValueFuncs(out map[string]reflect.Value, in FuncMap) {
-	for name, fn := range in {
-		v := reflect.ValueOf(fn)
-		if v.Kind() != reflect.Func {
-			panic("value for " + name + " not a function")
-		}
-		if !goodFunc(v.Type()) {
-			panic(fmt.Errorf("can't install method/function %q with %d results", name, v.Type().NumOut()))
-		}
-		out[name] = v
-	}
-}
-
-// addFuncs adds to values the functions in funcs. It does no checking of the input -
-// call addValueFuncs first.
-func addFuncs(out, in FuncMap) {
-	for name, fn := range in {
-		out[name] = fn
-	}
-}
-
-// goodFunc checks that the function or method has the right result signature.
-func goodFunc(typ reflect.Type) bool {
-	// We allow functions with 1 result or 2 results where the second is an error.
-	switch {
-	case typ.NumOut() == 1:
-		return true
-	case typ.NumOut() == 2 && typ.Out(1) == errorType:
-		return true
-	}
-	return false
-}
-
-// findFunction looks for a function in the template, and global map.
-func findFunction(name string, tmpl *Template) (reflect.Value, bool) {
-	if tmpl != nil && tmpl.common != nil {
-		if fn := tmpl.execFuncs[name]; fn.IsValid() {
-			return fn, true
-		}
-	}
-	if fn := builtinFuncs[name]; fn.IsValid() {
-		return fn, true
-	}
-	return reflect.Value{}, false
-}
-
-// Indexing.
-
-// index returns the result of indexing its first argument by the following
-// arguments.  Thus "index x 1 2 3" is, in Go syntax, x[1][2][3]. Each
-// indexed item must be a map, slice, or array.
-func index(item interface{}, indices ...interface{}) (interface{}, error) {
-	v := reflect.ValueOf(item)
-	for _, i := range indices {
-		index := reflect.ValueOf(i)
-		var isNil bool
-		if v, isNil = indirect(v); isNil {
-			return nil, fmt.Errorf("index of nil pointer")
-		}
-		switch v.Kind() {
-		case reflect.Array, reflect.Slice, reflect.String:
-			var x int64
-			switch index.Kind() {
-			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-				x = index.Int()
-			case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-				x = int64(index.Uint())
-			default:
-				return nil, fmt.Errorf("cannot index slice/array with type %s", index.Type())
-			}
-			if x < 0 || x >= int64(v.Len()) {
-				return nil, fmt.Errorf("index out of range: %d", x)
-			}
-			v = v.Index(int(x))
-		case reflect.Map:
-			if !index.IsValid() {
-				index = reflect.Zero(v.Type().Key())
-			}
-			if !index.Type().AssignableTo(v.Type().Key()) {
-				return nil, fmt.Errorf("%s is not index type for %s", index.Type(), v.Type())
-			}
-			if x := v.MapIndex(index); x.IsValid() {
-				v = x
-			} else {
-				v = reflect.Zero(v.Type().Elem())
-			}
-		default:
-			return nil, fmt.Errorf("can't index item of type %s", v.Type())
-		}
-	}
-	return v.Interface(), nil
-}
-
-// Length
-
-// length returns the length of the item, with an error if it has no defined length.
-func length(item interface{}) (int, error) {
-	v, isNil := indirect(reflect.ValueOf(item))
-	if isNil {
-		return 0, fmt.Errorf("len of nil pointer")
-	}
-	switch v.Kind() {
-	case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice, reflect.String:
-		return v.Len(), nil
-	}
-	return 0, fmt.Errorf("len of type %s", v.Type())
-}
-
-// Function invocation
-
-// call returns the result of evaluating the first argument as a function.
-// The function must return 1 result, or 2 results, the second of which is an error.
-func call(fn interface{}, args ...interface{}) (interface{}, error) {
-	v := reflect.ValueOf(fn)
-	typ := v.Type()
-	if typ.Kind() != reflect.Func {
-		return nil, fmt.Errorf("non-function of type %s", typ)
-	}
-	if !goodFunc(typ) {
-		return nil, fmt.Errorf("function called with %d args; should be 1 or 2", typ.NumOut())
-	}
-	numIn := typ.NumIn()
-	var dddType reflect.Type
-	if typ.IsVariadic() {
-		if len(args) < numIn-1 {
-			return nil, fmt.Errorf("wrong number of args: got %d want at least %d", len(args), numIn-1)
-		}
-		dddType = typ.In(numIn - 1).Elem()
-	} else {
-		if len(args) != numIn {
-			return nil, fmt.Errorf("wrong number of args: got %d want %d", len(args), numIn)
-		}
-	}
-	argv := make([]reflect.Value, len(args))
-	for i, arg := range args {
-		value := reflect.ValueOf(arg)
-		// Compute the expected type. Clumsy because of variadics.
-		var argType reflect.Type
-		if !typ.IsVariadic() || i < numIn-1 {
-			argType = typ.In(i)
-		} else {
-			argType = dddType
-		}
-		if !value.IsValid() && canBeNil(argType) {
-			value = reflect.Zero(argType)
-		}
-		if !value.Type().AssignableTo(argType) {
-			return nil, fmt.Errorf("arg %d has type %s; should be %s", i, value.Type(), argType)
-		}
-		argv[i] = value
-	}
-	result := v.Call(argv)
-	if len(result) == 2 && !result[1].IsNil() {
-		return result[0].Interface(), result[1].Interface().(error)
-	}
-	return result[0].Interface(), nil
-}
-
-// Boolean logic.
-
-func truth(a interface{}) bool {
-	t, _ := isTrue(reflect.ValueOf(a))
-	return t
-}
-
-// and computes the Boolean AND of its arguments, returning
-// the first false argument it encounters, or the last argument.
-func and(arg0 interface{}, args ...interface{}) interface{} {
-	if !truth(arg0) {
-		return arg0
-	}
-	for i := range args {
-		arg0 = args[i]
-		if !truth(arg0) {
-			break
-		}
-	}
-	return arg0
-}
-
-// or computes the Boolean OR of its arguments, returning
-// the first true argument it encounters, or the last argument.
-func or(arg0 interface{}, args ...interface{}) interface{} {
-	if truth(arg0) {
-		return arg0
-	}
-	for i := range args {
-		arg0 = args[i]
-		if truth(arg0) {
-			break
-		}
-	}
-	return arg0
-}
-
-// not returns the Boolean negation of its argument.
-func not(arg interface{}) (truth bool) {
-	truth, _ = isTrue(reflect.ValueOf(arg))
-	return !truth
-}
-
-// Comparison.
-
-// TODO: Perhaps allow comparison between signed and unsigned integers.
-
-var (
-	errBadComparisonType = errors.New("invalid type for comparison")
-	errBadComparison     = errors.New("incompatible types for comparison")
-	errNoComparison      = errors.New("missing argument for comparison")
-)
-
-type kind int
-
-const (
-	invalidKind kind = iota
-	boolKind
-	complexKind
-	intKind
-	floatKind
-	integerKind
-	stringKind
-	uintKind
-)
-
-func basicKind(v reflect.Value) (kind, error) {
-	switch v.Kind() {
-	case reflect.Bool:
-		return boolKind, nil
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return intKind, nil
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return uintKind, nil
-	case reflect.Float32, reflect.Float64:
-		return floatKind, nil
-	case reflect.Complex64, reflect.Complex128:
-		return complexKind, nil
-	case reflect.String:
-		return stringKind, nil
-	}
-	return invalidKind, errBadComparisonType
-}
-
-// eq evaluates the comparison a == b || a == c || ...
-func eq(arg1 interface{}, arg2 ...interface{}) (bool, error) {
-	v1 := reflect.ValueOf(arg1)
-	k1, err := basicKind(v1)
-	if err != nil {
-		return false, err
-	}
-	if len(arg2) == 0 {
-		return false, errNoComparison
-	}
-	for _, arg := range arg2 {
-		v2 := reflect.ValueOf(arg)
-		k2, err := basicKind(v2)
-		if err != nil {
-			return false, err
-		}
-		truth := false
-		if k1 != k2 {
-			// Special case: Can compare integer values regardless of type's sign.
-			switch {
-			case k1 == intKind && k2 == uintKind:
-				truth = v1.Int() >= 0 && uint64(v1.Int()) == v2.Uint()
-			case k1 == uintKind && k2 == intKind:
-				truth = v2.Int() >= 0 && v1.Uint() == uint64(v2.Int())
-			default:
-				return false, errBadComparison
-			}
-		} else {
-			switch k1 {
-			case boolKind:
-				truth = v1.Bool() == v2.Bool()
-			case complexKind:
-				truth = v1.Complex() == v2.Complex()
-			case floatKind:
-				truth = v1.Float() == v2.Float()
-			case intKind:
-				truth = v1.Int() == v2.Int()
-			case stringKind:
-				truth = v1.String() == v2.String()
-			case uintKind:
-				truth = v1.Uint() == v2.Uint()
-			default:
-				panic("invalid kind")
-			}
-		}
-		if truth {
-			return true, nil
-		}
-	}
-	return false, nil
-}
-
-// ne evaluates the comparison a != b.
-func ne(arg1, arg2 interface{}) (bool, error) {
-	// != is the inverse of ==.
-	equal, err := eq(arg1, arg2)
-	return !equal, err
-}
-
-// lt evaluates the comparison a < b.
-func lt(arg1, arg2 interface{}) (bool, error) {
-	v1 := reflect.ValueOf(arg1)
-	k1, err := basicKind(v1)
-	if err != nil {
-		return false, err
-	}
-	v2 := reflect.ValueOf(arg2)
-	k2, err := basicKind(v2)
-	if err != nil {
-		return false, err
-	}
-	truth := false
-	if k1 != k2 {
-		// Special case: Can compare integer values regardless of type's sign.
-		switch {
-		case k1 == intKind && k2 == uintKind:
-			truth = v1.Int() < 0 || uint64(v1.Int()) < v2.Uint()
-		case k1 == uintKind && k2 == intKind:
-			truth = v2.Int() >= 0 && v1.Uint() < uint64(v2.Int())
-		default:
-			return false, errBadComparison
-		}
-	} else {
-		switch k1 {
-		case boolKind, complexKind:
-			return false, errBadComparisonType
-		case floatKind:
-			truth = v1.Float() < v2.Float()
-		case intKind:
-			truth = v1.Int() < v2.Int()
-		case stringKind:
-			truth = v1.String() < v2.String()
-		case uintKind:
-			truth = v1.Uint() < v2.Uint()
-		default:
-			panic("invalid kind")
-		}
-	}
-	return truth, nil
-}
-
-// le evaluates the comparison <= b.
-func le(arg1, arg2 interface{}) (bool, error) {
-	// <= is < or ==.
-	lessThan, err := lt(arg1, arg2)
-	if lessThan || err != nil {
-		return lessThan, err
-	}
-	return eq(arg1, arg2)
-}
-
-// gt evaluates the comparison a > b.
-func gt(arg1, arg2 interface{}) (bool, error) {
-	// > is the inverse of <=.
-	lessOrEqual, err := le(arg1, arg2)
-	if err != nil {
-		return false, err
-	}
-	return !lessOrEqual, nil
-}
-
-// ge evaluates the comparison a >= b.
-func ge(arg1, arg2 interface{}) (bool, error) {
-	// >= is the inverse of <.
-	lessThan, err := lt(arg1, arg2)
-	if err != nil {
-		return false, err
-	}
-	return !lessThan, nil
-}
-
-// HTML escaping.
-
-var (
-	htmlQuot = []byte("&#34;") // shorter than "&quot;"
-	htmlApos = []byte("&#39;") // shorter than "&apos;" and apos was not in HTML until HTML5
-	htmlAmp  = []byte("&amp;")
-	htmlLt   = []byte("&lt;")
-	htmlGt   = []byte("&gt;")
-)
-
-// HTMLEscape writes to w the escaped HTML equivalent of the plain text data b.
-func HTMLEscape(w io.Writer, b []byte) {
-	last := 0
-	for i, c := range b {
-		var html []byte
-		switch c {
-		case '"':
-			html = htmlQuot
-		case '\'':
-			html = htmlApos
-		case '&':
-			html = htmlAmp
-		case '<':
-			html = htmlLt
-		case '>':
-			html = htmlGt
-		default:
-			continue
-		}
-		w.Write(b[last:i])
-		w.Write(html)
-		last = i + 1
-	}
-	w.Write(b[last:])
-}
-
-// HTMLEscapeString returns the escaped HTML equivalent of the plain text data s.
-func HTMLEscapeString(s string) string {
-	// Avoid allocation if we can.
-	if strings.IndexAny(s, `'"&<>`) < 0 {
-		return s
-	}
-	var b bytes.Buffer
-	HTMLEscape(&b, []byte(s))
-	return b.String()
-}
-
-// HTMLEscaper returns the escaped HTML equivalent of the textual
-// representation of its arguments.
-func HTMLEscaper(args ...interface{}) string {
-	return HTMLEscapeString(evalArgs(args))
-}
-
-// JavaScript escaping.
-
-var (
-	jsLowUni = []byte(`\u00`)
-	hex      = []byte("0123456789ABCDEF")
-
-	jsBackslash = []byte(`\\`)
-	jsApos      = []byte(`\'`)
-	jsQuot      = []byte(`\"`)
-	jsLt        = []byte(`\x3C`)
-	jsGt        = []byte(`\x3E`)
-)
-
-// JSEscape writes to w the escaped JavaScript equivalent of the plain text data b.
-func JSEscape(w io.Writer, b []byte) {
-	last := 0
-	for i := 0; i < len(b); i++ {
-		c := b[i]
-
-		if !jsIsSpecial(rune(c)) {
-			// fast path: nothing to do
-			continue
-		}
-		w.Write(b[last:i])
-
-		if c < utf8.RuneSelf {
-			// Quotes, slashes and angle brackets get quoted.
-			// Control characters get written as \u00XX.
-			switch c {
-			case '\\':
-				w.Write(jsBackslash)
-			case '\'':
-				w.Write(jsApos)
-			case '"':
-				w.Write(jsQuot)
-			case '<':
-				w.Write(jsLt)
-			case '>':
-				w.Write(jsGt)
-			default:
-				w.Write(jsLowUni)
-				t, b := c>>4, c&0x0f
-				w.Write(hex[t : t+1])
-				w.Write(hex[b : b+1])
-			}
-		} else {
-			// Unicode rune.
-			r, size := utf8.DecodeRune(b[i:])
-			if unicode.IsPrint(r) {
-				w.Write(b[i : i+size])
-			} else {
-				fmt.Fprintf(w, "\\u%04X", r)
-			}
-			i += size - 1
-		}
-		last = i + 1
-	}
-	w.Write(b[last:])
-}
-
-// JSEscapeString returns the escaped JavaScript equivalent of the plain text data s.
-func JSEscapeString(s string) string {
-	// Avoid allocation if we can.
-	if strings.IndexFunc(s, jsIsSpecial) < 0 {
-		return s
-	}
-	var b bytes.Buffer
-	JSEscape(&b, []byte(s))
-	return b.String()
-}
-
-func jsIsSpecial(r rune) bool {
-	switch r {
-	case '\\', '\'', '"', '<', '>':
-		return true
-	}
-	return r < ' ' || utf8.RuneSelf <= r
-}
-
-// JSEscaper returns the escaped JavaScript equivalent of the textual
-// representation of its arguments.
-func JSEscaper(args ...interface{}) string {
-	return JSEscapeString(evalArgs(args))
-}
-
-// URLQueryEscaper returns the escaped value of the textual representation of
-// its arguments in a form suitable for embedding in a URL query.
-func URLQueryEscaper(args ...interface{}) string {
-	return url.QueryEscape(evalArgs(args))
-}
-
-// evalArgs formats the list of arguments into a string. It is therefore equivalent to
-//	fmt.Sprint(args...)
-// except that each argument is indirected (if a pointer), as required,
-// using the same rules as the default string evaluation during template
-// execution.
-func evalArgs(args []interface{}) string {
-	ok := false
-	var s string
-	// Fast path for simple common case.
-	if len(args) == 1 {
-		s, ok = args[0].(string)
-	}
-	if !ok {
-		for i, arg := range args {
-			a, ok := printableValue(reflect.ValueOf(arg))
-			if ok {
-				args[i] = a
-			} // else left fmt do its thing
-		}
-		s = fmt.Sprint(args...)
-	}
-	return s
-}
--- a/vendor/github.com/alecthomas/template/go.mod
+++ b/vendor/github.com/alecthomas/template/go.mod
@@ -1 +0,0 @@
-module github.com/alecthomas/template
--- a/vendor/github.com/alecthomas/template/helper.go
+++ b/vendor/github.com/alecthomas/template/helper.go
@@ -1,108 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Helper functions to make constructing templates easier.
-
-package template
-
-import (
-	"fmt"
-	"io/ioutil"
-	"path/filepath"
-)
-
-// Functions and methods to parse templates.
-
-// Must is a helper that wraps a call to a function returning (*Template, error)
-// and panics if the error is non-nil. It is intended for use in variable
-// initializations such as
-//	var t = template.Must(template.New("name").Parse("text"))
-func Must(t *Template, err error) *Template {
-	if err != nil {
-		panic(err)
-	}
-	return t
-}
-
-// ParseFiles creates a new Template and parses the template definitions from
-// the named files. The returned template's name will have the (base) name and
-// (parsed) contents of the first file. There must be at least one file.
-// If an error occurs, parsing stops and the returned *Template is nil.
-func ParseFiles(filenames ...string) (*Template, error) {
-	return parseFiles(nil, filenames...)
-}
-
-// ParseFiles parses the named files and associates the resulting templates with
-// t. If an error occurs, parsing stops and the returned template is nil;
-// otherwise it is t. There must be at least one file.
-func (t *Template) ParseFiles(filenames ...string) (*Template, error) {
-	return parseFiles(t, filenames...)
-}
-
-// parseFiles is the helper for the method and function. If the argument
-// template is nil, it is created from the first file.
-func parseFiles(t *Template, filenames ...string) (*Template, error) {
-	if len(filenames) == 0 {
-		// Not really a problem, but be consistent.
-		return nil, fmt.Errorf("template: no files named in call to ParseFiles")
-	}
-	for _, filename := range filenames {
-		b, err := ioutil.ReadFile(filename)
-		if err != nil {
-			return nil, err
-		}
-		s := string(b)
-		name := filepath.Base(filename)
-		// First template becomes return value if not already defined,
-		// and we use that one for subsequent New calls to associate
-		// all the templates together. Also, if this file has the same name
-		// as t, this file becomes the contents of t, so
-		//  t, err := New(name).Funcs(xxx).ParseFiles(name)
-		// works. Otherwise we create a new template associated with t.
-		var tmpl *Template
-		if t == nil {
-			t = New(name)
-		}
-		if name == t.Name() {
-			tmpl = t
-		} else {
-			tmpl = t.New(name)
-		}
-		_, err = tmpl.Parse(s)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return t, nil
-}
-
-// ParseGlob creates a new Template and parses the template definitions from the
-// files identified by the pattern, which must match at least one file. The
-// returned template will have the (base) name and (parsed) contents of the
-// first file matched by the pattern. ParseGlob is equivalent to calling
-// ParseFiles with the list of files matched by the pattern.
-func ParseGlob(pattern string) (*Template, error) {
-	return parseGlob(nil, pattern)
-}
-
-// ParseGlob parses the template definitions in the files identified by the
-// pattern and associates the resulting templates with t. The pattern is
-// processed by filepath.Glob and must match at least one file. ParseGlob is
-// equivalent to calling t.ParseFiles with the list of files matched by the
-// pattern.
-func (t *Template) ParseGlob(pattern string) (*Template, error) {
-	return parseGlob(t, pattern)
-}
-
-// parseGlob is the implementation of the function and method ParseGlob.
-func parseGlob(t *Template, pattern string) (*Template, error) {
-	filenames, err := filepath.Glob(pattern)
-	if err != nil {
-		return nil, err
-	}
-	if len(filenames) == 0 {
-		return nil, fmt.Errorf("template: pattern matches no files: %#q", pattern)
-	}
-	return parseFiles(t, filenames...)
-}
--- a/vendor/github.com/alecthomas/template/parse/lex.go
+++ b/vendor/github.com/alecthomas/template/parse/lex.go
@@ -1,556 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package parse
-
-import (
-	"fmt"
-	"strings"
-	"unicode"
-	"unicode/utf8"
-)
-
-// item represents a token or text string returned from the scanner.
-type item struct {
-	typ itemType // The type of this item.
-	pos Pos      // The starting position, in bytes, of this item in the input string.
-	val string   // The value of this item.
-}
-
-func (i item) String() string {
-	switch {
-	case i.typ == itemEOF:
-		return "EOF"
-	case i.typ == itemError:
-		return i.val
-	case i.typ > itemKeyword:
-		return fmt.Sprintf("<%s>", i.val)
-	case len(i.val) > 10:
-		return fmt.Sprintf("%.10q...", i.val)
-	}
-	return fmt.Sprintf("%q", i.val)
-}
-
-// itemType identifies the type of lex items.
-type itemType int
-
-const (
-	itemError        itemType = iota // error occurred; value is text of error
-	itemBool                         // boolean constant
-	itemChar                         // printable ASCII character; grab bag for comma etc.
-	itemCharConstant                 // character constant
-	itemComplex                      // complex constant (1+2i); imaginary is just a number
-	itemColonEquals                  // colon-equals (':=') introducing a declaration
-	itemEOF
-	itemField        // alphanumeric identifier starting with '.'
-	itemIdentifier   // alphanumeric identifier not starting with '.'
-	itemLeftDelim    // left action delimiter
-	itemLeftParen    // '(' inside action
-	itemNumber       // simple number, including imaginary
-	itemPipe         // pipe symbol
-	itemRawString    // raw quoted string (includes quotes)
-	itemRightDelim   // right action delimiter
-	itemElideNewline // elide newline after right delim
-	itemRightParen   // ')' inside action
-	itemSpace        // run of spaces separating arguments
-	itemString       // quoted string (includes quotes)
-	itemText         // plain text
-	itemVariable     // variable starting with '$', such as '$' or  '$1' or '$hello'
-	// Keywords appear after all the rest.
-	itemKeyword  // used only to delimit the keywords
-	itemDot      // the cursor, spelled '.'
-	itemDefine   // define keyword
-	itemElse     // else keyword
-	itemEnd      // end keyword
-	itemIf       // if keyword
-	itemNil      // the untyped nil constant, easiest to treat as a keyword
-	itemRange    // range keyword
-	itemTemplate // template keyword
-	itemWith     // with keyword
-)
-
-var key = map[string]itemType{
-	".":        itemDot,
-	"define":   itemDefine,
-	"else":     itemElse,
-	"end":      itemEnd,
-	"if":       itemIf,
-	"range":    itemRange,
-	"nil":      itemNil,
-	"template": itemTemplate,
-	"with":     itemWith,
-}
-
-const eof = -1
-
-// stateFn represents the state of the scanner as a function that returns the next state.
-type stateFn func(*lexer) stateFn
-
-// lexer holds the state of the scanner.
-type lexer struct {
-	name       string    // the name of the input; used only for error reports
-	input      string    // the string being scanned
-	leftDelim  string    // start of action
-	rightDelim string    // end of action
-	state      stateFn   // the next lexing function to enter
-	pos        Pos       // current position in the input
-	start      Pos       // start position of this item
-	width      Pos       // width of last rune read from input
-	lastPos    Pos       // position of most recent item returned by nextItem
-	items      chan item // channel of scanned items
-	parenDepth int       // nesting depth of ( ) exprs
-}
-
-// next returns the next rune in the input.
-func (l *lexer) next() rune {
-	if int(l.pos) >= len(l.input) {
-		l.width = 0
-		return eof
-	}
-	r, w := utf8.DecodeRuneInString(l.input[l.pos:])
-	l.width = Pos(w)
-	l.pos += l.width
-	return r
-}
-
-// peek returns but does not consume the next rune in the input.
-func (l *lexer) peek() rune {
-	r := l.next()
-	l.backup()
-	return r
-}
-
-// backup steps back one rune. Can only be called once per call of next.
-func (l *lexer) backup() {
-	l.pos -= l.width
-}
-
-// emit passes an item back to the client.
-func (l *lexer) emit(t itemType) {
-	l.items <- item{t, l.start, l.input[l.start:l.pos]}
-	l.start = l.pos
-}
-
-// ignore skips over the pending input before this point.
-func (l *lexer) ignore() {
-	l.start = l.pos
-}
-
-// accept consumes the next rune if it's from the valid set.
-func (l *lexer) accept(valid string) bool {
-	if strings.IndexRune(valid, l.next()) >= 0 {
-		return true
-	}
-	l.backup()
-	return false
-}
-
-// acceptRun consumes a run of runes from the valid set.
-func (l *lexer) acceptRun(valid string) {
-	for strings.IndexRune(valid, l.next()) >= 0 {
-	}
-	l.backup()
-}
-
-// lineNumber reports which line we're on, based on the position of
-// the previous item returned by nextItem. Doing it this way
-// means we don't have to worry about peek double counting.
-func (l *lexer) lineNumber() int {
-	return 1 + strings.Count(l.input[:l.lastPos], "\n")
-}
-
-// errorf returns an error token and terminates the scan by passing
-// back a nil pointer that will be the next state, terminating l.nextItem.
-func (l *lexer) errorf(format string, args ...interface{}) stateFn {
-	l.items <- item{itemError, l.start, fmt.Sprintf(format, args...)}
-	return nil
-}
-
-// nextItem returns the next item from the input.
-func (l *lexer) nextItem() item {
-	item := <-l.items
-	l.lastPos = item.pos
-	return item
-}
-
-// lex creates a new scanner for the input string.
-func lex(name, input, left, right string) *lexer {
-	if left == "" {
-		left = leftDelim
-	}
-	if right == "" {
-		right = rightDelim
-	}
-	l := &lexer{
-		name:       name,
-		input:      input,
-		leftDelim:  left,
-		rightDelim: right,
-		items:      make(chan item),
-	}
-	go l.run()
-	return l
-}
-
-// run runs the state machine for the lexer.
-func (l *lexer) run() {
-	for l.state = lexText; l.state != nil; {
-		l.state = l.state(l)
-	}
-}
-
-// state functions
-
-const (
-	leftDelim    = "{{"
-	rightDelim   = "}}"
-	leftComment  = "/*"
-	rightComment = "*/"
-)
-
-// lexText scans until an opening action delimiter, "{{".
-func lexText(l *lexer) stateFn {
-	for {
-		if strings.HasPrefix(l.input[l.pos:], l.leftDelim) {
-			if l.pos > l.start {
-				l.emit(itemText)
-			}
-			return lexLeftDelim
-		}
-		if l.next() == eof {
-			break
-		}
-	}
-	// Correctly reached EOF.
-	if l.pos > l.start {
-		l.emit(itemText)
-	}
-	l.emit(itemEOF)
-	return nil
-}
-
-// lexLeftDelim scans the left delimiter, which is known to be present.
-func lexLeftDelim(l *lexer) stateFn {
-	l.pos += Pos(len(l.leftDelim))
-	if strings.HasPrefix(l.input[l.pos:], leftComment) {
-		return lexComment
-	}
-	l.emit(itemLeftDelim)
-	l.parenDepth = 0
-	return lexInsideAction
-}
-
-// lexComment scans a comment. The left comment marker is known to be present.
-func lexComment(l *lexer) stateFn {
-	l.pos += Pos(len(leftComment))
-	i := strings.Index(l.input[l.pos:], rightComment)
-	if i < 0 {
-		return l.errorf("unclosed comment")
-	}
-	l.pos += Pos(i + len(rightComment))
-	if !strings.HasPrefix(l.input[l.pos:], l.rightDelim) {
-		return l.errorf("comment ends before closing delimiter")
-
-	}
-	l.pos += Pos(len(l.rightDelim))
-	l.ignore()
-	return lexText
-}
-
-// lexRightDelim scans the right delimiter, which is known to be present.
-func lexRightDelim(l *lexer) stateFn {
-	l.pos += Pos(len(l.rightDelim))
-	l.emit(itemRightDelim)
-	if l.peek() == '\\' {
-		l.pos++
-		l.emit(itemElideNewline)
-	}
-	return lexText
-}
-
-// lexInsideAction scans the elements inside action delimiters.
-func lexInsideAction(l *lexer) stateFn {
-	// Either number, quoted string, or identifier.
-	// Spaces separate arguments; runs of spaces turn into itemSpace.
-	// Pipe symbols separate and are emitted.
-	if strings.HasPrefix(l.input[l.pos:], l.rightDelim+"\\") || strings.HasPrefix(l.input[l.pos:], l.rightDelim) {
-		if l.parenDepth == 0 {
-			return lexRightDelim
-		}
-		return l.errorf("unclosed left paren")
-	}
-	switch r := l.next(); {
-	case r == eof || isEndOfLine(r):
-		return l.errorf("unclosed action")
-	case isSpace(r):
-		return lexSpace
-	case r == ':':
-		if l.next() != '=' {
-			return l.errorf("expected :=")
-		}
-		l.emit(itemColonEquals)
-	case r == '|':
-		l.emit(itemPipe)
-	case r == '"':
-		return lexQuote
-	case r == '`':
-		return lexRawQuote
-	case r == '$':
-		return lexVariable
-	case r == '\'':
-		return lexChar
-	case r == '.':
-		// special look-ahead for ".field" so we don't break l.backup().
-		if l.pos < Pos(len(l.input)) {
-			r := l.input[l.pos]
-			if r < '0' || '9' < r {
-				return lexField
-			}
-		}
-		fallthrough // '.' can start a number.
-	case r == '+' || r == '-' || ('0' <= r && r <= '9'):
-		l.backup()
-		return lexNumber
-	case isAlphaNumeric(r):
-		l.backup()
-		return lexIdentifier
-	case r == '(':
-		l.emit(itemLeftParen)
-		l.parenDepth++
-		return lexInsideAction
-	case r == ')':
-		l.emit(itemRightParen)
-		l.parenDepth--
-		if l.parenDepth < 0 {
-			return l.errorf("unexpected right paren %#U", r)
-		}
-		return lexInsideAction
-	case r <= unicode.MaxASCII && unicode.IsPrint(r):
-		l.emit(itemChar)
-		return lexInsideAction
-	default:
-		return l.errorf("unrecognized character in action: %#U", r)
-	}
-	return lexInsideAction
-}
-
-// lexSpace scans a run of space characters.
-// One space has already been seen.
-func lexSpace(l *lexer) stateFn {
-	for isSpace(l.peek()) {
-		l.next()
-	}
-	l.emit(itemSpace)
-	return lexInsideAction
-}
-
-// lexIdentifier scans an alphanumeric.
-func lexIdentifier(l *lexer) stateFn {
-Loop:
-	for {
-		switch r := l.next(); {
-		case isAlphaNumeric(r):
-			// absorb.
-		default:
-			l.backup()
-			word := l.input[l.start:l.pos]
-			if !l.atTerminator() {
-				return l.errorf("bad character %#U", r)
-			}
-			switch {
-			case key[word] > itemKeyword:
-				l.emit(key[word])
-			case word[0] == '.':
-				l.emit(itemField)
-			case word == "true", word == "false":
-				l.emit(itemBool)
-			default:
-				l.emit(itemIdentifier)
-			}
-			break Loop
-		}
-	}
-	return lexInsideAction
-}
-
-// lexField scans a field: .Alphanumeric.
-// The . has been scanned.
-func lexField(l *lexer) stateFn {
-	return lexFieldOrVariable(l, itemField)
-}
-
-// lexVariable scans a Variable: $Alphanumeric.
-// The $ has been scanned.
-func lexVariable(l *lexer) stateFn {
-	if l.atTerminator() { // Nothing interesting follows -> "$".
-		l.emit(itemVariable)
-		return lexInsideAction
-	}
-	return lexFieldOrVariable(l, itemVariable)
-}
-
-// lexVariable scans a field or variable: [.$]Alphanumeric.
-// The . or $ has been scanned.
-func lexFieldOrVariable(l *lexer, typ itemType) stateFn {
-	if l.atTerminator() { // Nothing interesting follows -> "." or "$".
-		if typ == itemVariable {
-			l.emit(itemVariable)
-		} else {
-			l.emit(itemDot)
-		}
-		return lexInsideAction
-	}
-	var r rune
-	for {
-		r = l.next()
-		if !isAlphaNumeric(r) {
-			l.backup()
-			break
-		}
-	}
-	if !l.atTerminator() {
-		return l.errorf("bad character %#U", r)
-	}
-	l.emit(typ)
-	return lexInsideAction
-}
-
-// atTerminator reports whether the input is at valid termination character to
-// appear after an identifier. Breaks .X.Y into two pieces. Also catches cases
-// like "$x+2" not being acceptable without a space, in case we decide one
-// day to implement arithmetic.
-func (l *lexer) atTerminator() bool {
-	r := l.peek()
-	if isSpace(r) || isEndOfLine(r) {
-		return true
-	}
-	switch r {
-	case eof, '.', ',', '|', ':', ')', '(':
-		return true
-	}
-	// Does r start the delimiter? This can be ambiguous (with delim=="//", $x/2 will
-	// succeed but should fail) but only in extremely rare cases caused by willfully
-	// bad choice of delimiter.
-	if rd, _ := utf8.DecodeRuneInString(l.rightDelim); rd == r {
-		return true
-	}
-	return false
-}
-
-// lexChar scans a character constant. The initial quote is already
-// scanned. Syntax checking is done by the parser.
-func lexChar(l *lexer) stateFn {
-Loop:
-	for {
-		switch l.next() {
-		case '\\':
-			if r := l.next(); r != eof && r != '\n' {
-				break
-			}
-			fallthrough
-		case eof, '\n':
-			return l.errorf("unterminated character constant")
-		case '\'':
-			break Loop
-		}
-	}
-	l.emit(itemCharConstant)
-	return lexInsideAction
-}
-
-// lexNumber scans a number: decimal, octal, hex, float, or imaginary. This
-// isn't a perfect number scanner - for instance it accepts "." and "0x0.2"
-// and "089" - but when it's wrong the input is invalid and the parser (via
-// strconv) will notice.
-func lexNumber(l *lexer) stateFn {
-	if !l.scanNumber() {
-		return l.errorf("bad number syntax: %q", l.input[l.start:l.pos])
-	}
-	if sign := l.peek(); sign == '+' || sign == '-' {
-		// Complex: 1+2i. No spaces, must end in 'i'.
-		if !l.scanNumber() || l.input[l.pos-1] != 'i' {
-			return l.errorf("bad number syntax: %q", l.input[l.start:l.pos])
-		}
-		l.emit(itemComplex)
-	} else {
-		l.emit(itemNumber)
-	}
-	return lexInsideAction
-}
-
-func (l *lexer) scanNumber() bool {
-	// Optional leading sign.
-	l.accept("+-")
-	// Is it hex?
-	digits := "0123456789"
-	if l.accept("0") && l.accept("xX") {
-		digits = "0123456789abcdefABCDEF"
-	}
-	l.acceptRun(digits)
-	if l.accept(".") {
-		l.acceptRun(digits)
-	}
-	if l.accept("eE") {
-		l.accept("+-")
-		l.acceptRun("0123456789")
-	}
-	// Is it imaginary?
-	l.accept("i")
-	// Next thing mustn't be alphanumeric.
-	if isAlphaNumeric(l.peek()) {
-		l.next()
-		return false
-	}
-	return true
-}
-
-// lexQuote scans a quoted string.
-func lexQuote(l *lexer) stateFn {
-Loop:
-	for {
-		switch l.next() {
-		case '\\':
-			if r := l.next(); r != eof && r != '\n' {
-				break
-			}
-			fallthrough
-		case eof, '\n':
-			return l.errorf("unterminated quoted string")
-		case '"':
-			break Loop
-		}
-	}
-	l.emit(itemString)
-	return lexInsideAction
-}
-
-// lexRawQuote scans a raw quoted string.
-func lexRawQuote(l *lexer) stateFn {
-Loop:
-	for {
-		switch l.next() {
-		case eof, '\n':
-			return l.errorf("unterminated raw quoted string")
-		case '`':
-			break Loop
-		}
-	}
-	l.emit(itemRawString)
-	return lexInsideAction
-}
-
-// isSpace reports whether r is a space character.
-func isSpace(r rune) bool {
-	return r == ' ' || r == '\t'
-}
-
-// isEndOfLine reports whether r is an end-of-line character.
-func isEndOfLine(r rune) bool {
-	return r == '\r' || r == '\n'
-}
-
-// isAlphaNumeric reports whether r is an alphabetic, digit, or underscore.
-func isAlphaNumeric(r rune) bool {
-	return r == '_' || unicode.IsLetter(r) || unicode.IsDigit(r)
-}
--- a/vendor/github.com/alecthomas/template/parse/node.go
+++ b/vendor/github.com/alecthomas/template/parse/node.go
@@ -1,834 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Parse nodes.
-
-package parse
-
-import (
-	"bytes"
-	"fmt"
-	"strconv"
-	"strings"
-)
-
-var textFormat = "%s" // Changed to "%q" in tests for better error messages.
-
-// A Node is an element in the parse tree. The interface is trivial.
-// The interface contains an unexported method so that only
-// types local to this package can satisfy it.
-type Node interface {
-	Type() NodeType
-	String() string
-	// Copy does a deep copy of the Node and all its components.
-	// To avoid type assertions, some XxxNodes also have specialized
-	// CopyXxx methods that return *XxxNode.
-	Copy() Node
-	Position() Pos // byte position of start of node in full original input string
-	// tree returns the containing *Tree.
-	// It is unexported so all implementations of Node are in this package.
-	tree() *Tree
-}
-
-// NodeType identifies the type of a parse tree node.
-type NodeType int
-
-// Pos represents a byte position in the original input text from which
-// this template was parsed.
-type Pos int
-
-func (p Pos) Position() Pos {
-	return p
-}
-
-// Type returns itself and provides an easy default implementation
-// for embedding in a Node. Embedded in all non-trivial Nodes.
-func (t NodeType) Type() NodeType {
-	return t
-}
-
-const (
-	NodeText       NodeType = iota // Plain text.
-	NodeAction                     // A non-control action such as a field evaluation.
-	NodeBool                       // A boolean constant.
-	NodeChain                      // A sequence of field accesses.
-	NodeCommand                    // An element of a pipeline.
-	NodeDot                        // The cursor, dot.
-	nodeElse                       // An else action. Not added to tree.
-	nodeEnd                        // An end action. Not added to tree.
-	NodeField                      // A field or method name.
-	NodeIdentifier                 // An identifier; always a function name.
-	NodeIf                         // An if action.
-	NodeList                       // A list of Nodes.
-	NodeNil                        // An untyped nil constant.
-	NodeNumber                     // A numerical constant.
-	NodePipe                       // A pipeline of commands.
-	NodeRange                      // A range action.
-	NodeString                     // A string constant.
-	NodeTemplate                   // A template invocation action.
-	NodeVariable                   // A $ variable.
-	NodeWith                       // A with action.
-)
-
-// Nodes.
-
-// ListNode holds a sequence of nodes.
-type ListNode struct {
-	NodeType
-	Pos
-	tr    *Tree
-	Nodes []Node // The element nodes in lexical order.
-}
-
-func (t *Tree) newList(pos Pos) *ListNode {
-	return &ListNode{tr: t, NodeType: NodeList, Pos: pos}
-}
-
-func (l *ListNode) append(n Node) {
-	l.Nodes = append(l.Nodes, n)
-}
-
-func (l *ListNode) tree() *Tree {
-	return l.tr
-}
-
-func (l *ListNode) String() string {
-	b := new(bytes.Buffer)
-	for _, n := range l.Nodes {
-		fmt.Fprint(b, n)
-	}
-	return b.String()
-}
-
-func (l *ListNode) CopyList() *ListNode {
-	if l == nil {
-		return l
-	}
-	n := l.tr.newList(l.Pos)
-	for _, elem := range l.Nodes {
-		n.append(elem.Copy())
-	}
-	return n
-}
-
-func (l *ListNode) Copy() Node {
-	return l.CopyList()
-}
-
-// TextNode holds plain text.
-type TextNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	Text []byte // The text; may span newlines.
-}
-
-func (t *Tree) newText(pos Pos, text string) *TextNode {
-	return &TextNode{tr: t, NodeType: NodeText, Pos: pos, Text: []byte(text)}
-}
-
-func (t *TextNode) String() string {
-	return fmt.Sprintf(textFormat, t.Text)
-}
-
-func (t *TextNode) tree() *Tree {
-	return t.tr
-}
-
-func (t *TextNode) Copy() Node {
-	return &TextNode{tr: t.tr, NodeType: NodeText, Pos: t.Pos, Text: append([]byte{}, t.Text...)}
-}
-
-// PipeNode holds a pipeline with optional declaration
-type PipeNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	Line int             // The line number in the input (deprecated; kept for compatibility)
-	Decl []*VariableNode // Variable declarations in lexical order.
-	Cmds []*CommandNode  // The commands in lexical order.
-}
-
-func (t *Tree) newPipeline(pos Pos, line int, decl []*VariableNode) *PipeNode {
-	return &PipeNode{tr: t, NodeType: NodePipe, Pos: pos, Line: line, Decl: decl}
-}
-
-func (p *PipeNode) append(command *CommandNode) {
-	p.Cmds = append(p.Cmds, command)
-}
-
-func (p *PipeNode) String() string {
-	s := ""
-	if len(p.Decl) > 0 {
-		for i, v := range p.Decl {
-			if i > 0 {
-				s += ", "
-			}
-			s += v.String()
-		}
-		s += " := "
-	}
-	for i, c := range p.Cmds {
-		if i > 0 {
-			s += " | "
-		}
-		s += c.String()
-	}
-	return s
-}
-
-func (p *PipeNode) tree() *Tree {
-	return p.tr
-}
-
-func (p *PipeNode) CopyPipe() *PipeNode {
-	if p == nil {
-		return p
-	}
-	var decl []*VariableNode
-	for _, d := range p.Decl {
-		decl = append(decl, d.Copy().(*VariableNode))
-	}
-	n := p.tr.newPipeline(p.Pos, p.Line, decl)
-	for _, c := range p.Cmds {
-		n.append(c.Copy().(*CommandNode))
-	}
-	return n
-}
-
-func (p *PipeNode) Copy() Node {
-	return p.CopyPipe()
-}
-
-// ActionNode holds an action (something bounded by delimiters).
-// Control actions have their own nodes; ActionNode represents simple
-// ones such as field evaluations and parenthesized pipelines.
-type ActionNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	Line int       // The line number in the input (deprecated; kept for compatibility)
-	Pipe *PipeNode // The pipeline in the action.
-}
-
-func (t *Tree) newAction(pos Pos, line int, pipe *PipeNode) *ActionNode {
-	return &ActionNode{tr: t, NodeType: NodeAction, Pos: pos, Line: line, Pipe: pipe}
-}
-
-func (a *ActionNode) String() string {
-	return fmt.Sprintf("{{%s}}", a.Pipe)
-
-}
-
-func (a *ActionNode) tree() *Tree {
-	return a.tr
-}
-
-func (a *ActionNode) Copy() Node {
-	return a.tr.newAction(a.Pos, a.Line, a.Pipe.CopyPipe())
-
-}
-
-// CommandNode holds a command (a pipeline inside an evaluating action).
-type CommandNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	Args []Node // Arguments in lexical order: Identifier, field, or constant.
-}
-
-func (t *Tree) newCommand(pos Pos) *CommandNode {
-	return &CommandNode{tr: t, NodeType: NodeCommand, Pos: pos}
-}
-
-func (c *CommandNode) append(arg Node) {
-	c.Args = append(c.Args, arg)
-}
-
-func (c *CommandNode) String() string {
-	s := ""
-	for i, arg := range c.Args {
-		if i > 0 {
-			s += " "
-		}
-		if arg, ok := arg.(*PipeNode); ok {
-			s += "(" + arg.String() + ")"
-			continue
-		}
-		s += arg.String()
-	}
-	return s
-}
-
-func (c *CommandNode) tree() *Tree {
-	return c.tr
-}
-
-func (c *CommandNode) Copy() Node {
-	if c == nil {
-		return c
-	}
-	n := c.tr.newCommand(c.Pos)
-	for _, c := range c.Args {
-		n.append(c.Copy())
-	}
-	return n
-}
-
-// IdentifierNode holds an identifier.
-type IdentifierNode struct {
-	NodeType
-	Pos
-	tr    *Tree
-	Ident string // The identifier's name.
-}
-
-// NewIdentifier returns a new IdentifierNode with the given identifier name.
-func NewIdentifier(ident string) *IdentifierNode {
-	return &IdentifierNode{NodeType: NodeIdentifier, Ident: ident}
-}
-
-// SetPos sets the position. NewIdentifier is a public method so we can't modify its signature.
-// Chained for convenience.
-// TODO: fix one day?
-func (i *IdentifierNode) SetPos(pos Pos) *IdentifierNode {
-	i.Pos = pos
-	return i
-}
-
-// SetTree sets the parent tree for the node. NewIdentifier is a public method so we can't modify its signature.
-// Chained for convenience.
-// TODO: fix one day?
-func (i *IdentifierNode) SetTree(t *Tree) *IdentifierNode {
-	i.tr = t
-	return i
-}
-
-func (i *IdentifierNode) String() string {
-	return i.Ident
-}
-
-func (i *IdentifierNode) tree() *Tree {
-	return i.tr
-}
-
-func (i *IdentifierNode) Copy() Node {
-	return NewIdentifier(i.Ident).SetTree(i.tr).SetPos(i.Pos)
-}
-
-// VariableNode holds a list of variable names, possibly with chained field
-// accesses. The dollar sign is part of the (first) name.
-type VariableNode struct {
-	NodeType
-	Pos
-	tr    *Tree
-	Ident []string // Variable name and fields in lexical order.
-}
-
-func (t *Tree) newVariable(pos Pos, ident string) *VariableNode {
-	return &VariableNode{tr: t, NodeType: NodeVariable, Pos: pos, Ident: strings.Split(ident, ".")}
-}
-
-func (v *VariableNode) String() string {
-	s := ""
-	for i, id := range v.Ident {
-		if i > 0 {
-			s += "."
-		}
-		s += id
-	}
-	return s
-}
-
-func (v *VariableNode) tree() *Tree {
-	return v.tr
-}
-
-func (v *VariableNode) Copy() Node {
-	return &VariableNode{tr: v.tr, NodeType: NodeVariable, Pos: v.Pos, Ident: append([]string{}, v.Ident...)}
-}
-
-// DotNode holds the special identifier '.'.
-type DotNode struct {
-	NodeType
-	Pos
-	tr *Tree
-}
-
-func (t *Tree) newDot(pos Pos) *DotNode {
-	return &DotNode{tr: t, NodeType: NodeDot, Pos: pos}
-}
-
-func (d *DotNode) Type() NodeType {
-	// Override method on embedded NodeType for API compatibility.
-	// TODO: Not really a problem; could change API without effect but
-	// api tool complains.
-	return NodeDot
-}
-
-func (d *DotNode) String() string {
-	return "."
-}
-
-func (d *DotNode) tree() *Tree {
-	return d.tr
-}
-
-func (d *DotNode) Copy() Node {
-	return d.tr.newDot(d.Pos)
-}
-
-// NilNode holds the special identifier 'nil' representing an untyped nil constant.
-type NilNode struct {
-	NodeType
-	Pos
-	tr *Tree
-}
-
-func (t *Tree) newNil(pos Pos) *NilNode {
-	return &NilNode{tr: t, NodeType: NodeNil, Pos: pos}
-}
-
-func (n *NilNode) Type() NodeType {
-	// Override method on embedded NodeType for API compatibility.
-	// TODO: Not really a problem; could change API without effect but
-	// api tool complains.
-	return NodeNil
-}
-
-func (n *NilNode) String() string {
-	return "nil"
-}
-
-func (n *NilNode) tree() *Tree {
-	return n.tr
-}
-
-func (n *NilNode) Copy() Node {
-	return n.tr.newNil(n.Pos)
-}
-
-// FieldNode holds a field (identifier starting with '.').
-// The names may be chained ('.x.y').
-// The period is dropped from each ident.
-type FieldNode struct {
-	NodeType
-	Pos
-	tr    *Tree
-	Ident []string // The identifiers in lexical order.
-}
-
-func (t *Tree) newField(pos Pos, ident string) *FieldNode {
-	return &FieldNode{tr: t, NodeType: NodeField, Pos: pos, Ident: strings.Split(ident[1:], ".")} // [1:] to drop leading period
-}
-
-func (f *FieldNode) String() string {
-	s := ""
-	for _, id := range f.Ident {
-		s += "." + id
-	}
-	return s
-}
-
-func (f *FieldNode) tree() *Tree {
-	return f.tr
-}
-
-func (f *FieldNode) Copy() Node {
-	return &FieldNode{tr: f.tr, NodeType: NodeField, Pos: f.Pos, Ident: append([]string{}, f.Ident...)}
-}
-
-// ChainNode holds a term followed by a chain of field accesses (identifier starting with '.').
-// The names may be chained ('.x.y').
-// The periods are dropped from each ident.
-type ChainNode struct {
-	NodeType
-	Pos
-	tr    *Tree
-	Node  Node
-	Field []string // The identifiers in lexical order.
-}
-
-func (t *Tree) newChain(pos Pos, node Node) *ChainNode {
-	return &ChainNode{tr: t, NodeType: NodeChain, Pos: pos, Node: node}
-}
-
-// Add adds the named field (which should start with a period) to the end of the chain.
-func (c *ChainNode) Add(field string) {
-	if len(field) == 0 || field[0] != '.' {
-		panic("no dot in field")
-	}
-	field = field[1:] // Remove leading dot.
-	if field == "" {
-		panic("empty field")
-	}
-	c.Field = append(c.Field, field)
-}
-
-func (c *ChainNode) String() string {
-	s := c.Node.String()
-	if _, ok := c.Node.(*PipeNode); ok {
-		s = "(" + s + ")"
-	}
-	for _, field := range c.Field {
-		s += "." + field
-	}
-	return s
-}
-
-func (c *ChainNode) tree() *Tree {
-	return c.tr
-}
-
-func (c *ChainNode) Copy() Node {
-	return &ChainNode{tr: c.tr, NodeType: NodeChain, Pos: c.Pos, Node: c.Node, Field: append([]string{}, c.Field...)}
-}
-
-// BoolNode holds a boolean constant.
-type BoolNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	True bool // The value of the boolean constant.
-}
-
-func (t *Tree) newBool(pos Pos, true bool) *BoolNode {
-	return &BoolNode{tr: t, NodeType: NodeBool, Pos: pos, True: true}
-}
-
-func (b *BoolNode) String() string {
-	if b.True {
-		return "true"
-	}
-	return "false"
-}
-
-func (b *BoolNode) tree() *Tree {
-	return b.tr
-}
-
-func (b *BoolNode) Copy() Node {
-	return b.tr.newBool(b.Pos, b.True)
-}
-
-// NumberNode holds a number: signed or unsigned integer, float, or complex.
-// The value is parsed and stored under all the types that can represent the value.
-// This simulates in a small amount of code the behavior of Go's ideal constants.
-type NumberNode struct {
-	NodeType
-	Pos
-	tr         *Tree
-	IsInt      bool       // Number has an integral value.
-	IsUint     bool       // Number has an unsigned integral value.
-	IsFloat    bool       // Number has a floating-point value.
-	IsComplex  bool       // Number is complex.
-	Int64      int64      // The signed integer value.
-	Uint64     uint64     // The unsigned integer value.
-	Float64    float64    // The floating-point value.
-	Complex128 complex128 // The complex value.
-	Text       string     // The original textual representation from the input.
-}
-
-func (t *Tree) newNumber(pos Pos, text string, typ itemType) (*NumberNode, error) {
-	n := &NumberNode{tr: t, NodeType: NodeNumber, Pos: pos, Text: text}
-	switch typ {
-	case itemCharConstant:
-		rune, _, tail, err := strconv.UnquoteChar(text[1:], text[0])
-		if err != nil {
-			return nil, err
-		}
-		if tail != "'" {
-			return nil, fmt.Errorf("malformed character constant: %s", text)
-		}
-		n.Int64 = int64(rune)
-		n.IsInt = true
-		n.Uint64 = uint64(rune)
-		n.IsUint = true
-		n.Float64 = float64(rune) // odd but those are the rules.
-		n.IsFloat = true
-		return n, nil
-	case itemComplex:
-		// fmt.Sscan can parse the pair, so let it do the work.
-		if _, err := fmt.Sscan(text, &n.Complex128); err != nil {
-			return nil, err
-		}
-		n.IsComplex = true
-		n.simplifyComplex()
-		return n, nil
-	}
-	// Imaginary constants can only be complex unless they are zero.
-	if len(text) > 0 && text[len(text)-1] == 'i' {
-		f, err := strconv.ParseFloat(text[:len(text)-1], 64)
-		if err == nil {
-			n.IsComplex = true
-			n.Complex128 = complex(0, f)
-			n.simplifyComplex()
-			return n, nil
-		}
-	}
-	// Do integer test first so we get 0x123 etc.
-	u, err := strconv.ParseUint(text, 0, 64) // will fail for -0; fixed below.
-	if err == nil {
-		n.IsUint = true
-		n.Uint64 = u
-	}
-	i, err := strconv.ParseInt(text, 0, 64)
-	if err == nil {
-		n.IsInt = true
-		n.Int64 = i
-		if i == 0 {
-			n.IsUint = true // in case of -0.
-			n.Uint64 = u
-		}
-	}
-	// If an integer extraction succeeded, promote the float.
-	if n.IsInt {
-		n.IsFloat = true
-		n.Float64 = float64(n.Int64)
-	} else if n.IsUint {
-		n.IsFloat = true
-		n.Float64 = float64(n.Uint64)
-	} else {
-		f, err := strconv.ParseFloat(text, 64)
-		if err == nil {
-			n.IsFloat = true
-			n.Float64 = f
-			// If a floating-point extraction succeeded, extract the int if needed.
-			if !n.IsInt && float64(int64(f)) == f {
-				n.IsInt = true
-				n.Int64 = int64(f)
-			}
-			if !n.IsUint && float64(uint64(f)) == f {
-				n.IsUint = true
-				n.Uint64 = uint64(f)
-			}
-		}
-	}
-	if !n.IsInt && !n.IsUint && !n.IsFloat {
-		return nil, fmt.Errorf("illegal number syntax: %q", text)
-	}
-	return n, nil
-}
-
-// simplifyComplex pulls out any other types that are represented by the complex number.
-// These all require that the imaginary part be zero.
-func (n *NumberNode) simplifyComplex() {
-	n.IsFloat = imag(n.Complex128) == 0
-	if n.IsFloat {
-		n.Float64 = real(n.Complex128)
-		n.IsInt = float64(int64(n.Float64)) == n.Float64
-		if n.IsInt {
-			n.Int64 = int64(n.Float64)
-		}
-		n.IsUint = float64(uint64(n.Float64)) == n.Float64
-		if n.IsUint {
-			n.Uint64 = uint64(n.Float64)
-		}
-	}
-}
-
-func (n *NumberNode) String() string {
-	return n.Text
-}
-
-func (n *NumberNode) tree() *Tree {
-	return n.tr
-}
-
-func (n *NumberNode) Copy() Node {
-	nn := new(NumberNode)
-	*nn = *n // Easy, fast, correct.
-	return nn
-}
-
-// StringNode holds a string constant. The value has been "unquoted".
-type StringNode struct {
-	NodeType
-	Pos
-	tr     *Tree
-	Quoted string // The original text of the string, with quotes.
-	Text   string // The string, after quote processing.
-}
-
-func (t *Tree) newString(pos Pos, orig, text string) *StringNode {
-	return &StringNode{tr: t, NodeType: NodeString, Pos: pos, Quoted: orig, Text: text}
-}
-
-func (s *StringNode) String() string {
-	return s.Quoted
-}
-
-func (s *StringNode) tree() *Tree {
-	return s.tr
-}
-
-func (s *StringNode) Copy() Node {
-	return s.tr.newString(s.Pos, s.Quoted, s.Text)
-}
-
-// endNode represents an {{end}} action.
-// It does not appear in the final parse tree.
-type endNode struct {
-	NodeType
-	Pos
-	tr *Tree
-}
-
-func (t *Tree) newEnd(pos Pos) *endNode {
-	return &endNode{tr: t, NodeType: nodeEnd, Pos: pos}
-}
-
-func (e *endNode) String() string {
-	return "{{end}}"
-}
-
-func (e *endNode) tree() *Tree {
-	return e.tr
-}
-
-func (e *endNode) Copy() Node {
-	return e.tr.newEnd(e.Pos)
-}
-
-// elseNode represents an {{else}} action. Does not appear in the final tree.
-type elseNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	Line int // The line number in the input (deprecated; kept for compatibility)
-}
-
-func (t *Tree) newElse(pos Pos, line int) *elseNode {
-	return &elseNode{tr: t, NodeType: nodeElse, Pos: pos, Line: line}
-}
-
-func (e *elseNode) Type() NodeType {
-	return nodeElse
-}
-
-func (e *elseNode) String() string {
-	return "{{else}}"
-}
-
-func (e *elseNode) tree() *Tree {
-	return e.tr
-}
-
-func (e *elseNode) Copy() Node {
-	return e.tr.newElse(e.Pos, e.Line)
-}
-
-// BranchNode is the common representation of if, range, and with.
-type BranchNode struct {
-	NodeType
-	Pos
-	tr       *Tree
-	Line     int       // The line number in the input (deprecated; kept for compatibility)
-	Pipe     *PipeNode // The pipeline to be evaluated.
-	List     *ListNode // What to execute if the value is non-empty.
-	ElseList *ListNode // What to execute if the value is empty (nil if absent).
-}
-
-func (b *BranchNode) String() string {
-	name := ""
-	switch b.NodeType {
-	case NodeIf:
-		name = "if"
-	case NodeRange:
-		name = "range"
-	case NodeWith:
-		name = "with"
-	default:
-		panic("unknown branch type")
-	}
-	if b.ElseList != nil {
-		return fmt.Sprintf("{{%s %s}}%s{{else}}%s{{end}}", name, b.Pipe, b.List, b.ElseList)
-	}
-	return fmt.Sprintf("{{%s %s}}%s{{end}}", name, b.Pipe, b.List)
-}
-
-func (b *BranchNode) tree() *Tree {
-	return b.tr
-}
-
-func (b *BranchNode) Copy() Node {
-	switch b.NodeType {
-	case NodeIf:
-		return b.tr.newIf(b.Pos, b.Line, b.Pipe, b.List, b.ElseList)
-	case NodeRange:
-		return b.tr.newRange(b.Pos, b.Line, b.Pipe, b.List, b.ElseList)
-	case NodeWith:
-		return b.tr.newWith(b.Pos, b.Line, b.Pipe, b.List, b.ElseList)
-	default:
-		panic("unknown branch type")
-	}
-}
-
-// IfNode represents an {{if}} action and its commands.
-type IfNode struct {
-	BranchNode
-}
-
-func (t *Tree) newIf(pos Pos, line int, pipe *PipeNode, list, elseList *ListNode) *IfNode {
-	return &IfNode{BranchNode{tr: t, NodeType: NodeIf, Pos: pos, Line: line, Pipe: pipe, List: list, ElseList: elseList}}
-}
-
-func (i *IfNode) Copy() Node {
-	return i.tr.newIf(i.Pos, i.Line, i.Pipe.CopyPipe(), i.List.CopyList(), i.ElseList.CopyList())
-}
-
-// RangeNode represents a {{range}} action and its commands.
-type RangeNode struct {
-	BranchNode
-}
-
-func (t *Tree) newRange(pos Pos, line int, pipe *PipeNode, list, elseList *ListNode) *RangeNode {
-	return &RangeNode{BranchNode{tr: t, NodeType: NodeRange, Pos: pos, Line: line, Pipe: pipe, List: list, ElseList: elseList}}
-}
-
-func (r *RangeNode) Copy() Node {
-	return r.tr.newRange(r.Pos, r.Line, r.Pipe.CopyPipe(), r.List.CopyList(), r.ElseList.CopyList())
-}
-
-// WithNode represents a {{with}} action and its commands.
-type WithNode struct {
-	BranchNode
-}
-
-func (t *Tree) newWith(pos Pos, line int, pipe *PipeNode, list, elseList *ListNode) *WithNode {
-	return &WithNode{BranchNode{tr: t, NodeType: NodeWith, Pos: pos, Line: line, Pipe: pipe, List: list, ElseList: elseList}}
-}
-
-func (w *WithNode) Copy() Node {
-	return w.tr.newWith(w.Pos, w.Line, w.Pipe.CopyPipe(), w.List.CopyList(), w.ElseList.CopyList())
-}
-
-// TemplateNode represents a {{template}} action.
-type TemplateNode struct {
-	NodeType
-	Pos
-	tr   *Tree
-	Line int       // The line number in the input (deprecated; kept for compatibility)
-	Name string    // The name of the template (unquoted).
-	Pipe *PipeNode // The command to evaluate as dot for the template.
-}
-
-func (t *Tree) newTemplate(pos Pos, line int, name string, pipe *PipeNode) *TemplateNode {
-	return &TemplateNode{tr: t, NodeType: NodeTemplate, Pos: pos, Line: line, Name: name, Pipe: pipe}
-}
-
-func (t *TemplateNode) String() string {
-	if t.Pipe == nil {
-		return fmt.Sprintf("{{template %q}}", t.Name)
-	}
-	return fmt.Sprintf("{{template %q %s}}", t.Name, t.Pipe)
-}
-
-func (t *TemplateNode) tree() *Tree {
-	return t.tr
-}
-
-func (t *TemplateNode) Copy() Node {
-	return t.tr.newTemplate(t.Pos, t.Line, t.Name, t.Pipe.CopyPipe())
-}
--- a/vendor/github.com/alecthomas/template/parse/parse.go
+++ b/vendor/github.com/alecthomas/template/parse/parse.go
@@ -1,700 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package parse builds parse trees for templates as defined by text/template
-// and html/template. Clients should use those packages to construct templates
-// rather than this one, which provides shared internal data structures not
-// intended for general use.
-package parse
-
-import (
-	"bytes"
-	"fmt"
-	"runtime"
-	"strconv"
-	"strings"
-)
-
-// Tree is the representation of a single parsed template.
-type Tree struct {
-	Name      string    // name of the template represented by the tree.
-	ParseName string    // name of the top-level template during parsing, for error messages.
-	Root      *ListNode // top-level root of the tree.
-	text      string    // text parsed to create the template (or its parent)
-	// Parsing only; cleared after parse.
-	funcs     []map[string]interface{}
-	lex       *lexer
-	token     [3]item // three-token lookahead for parser.
-	peekCount int
-	vars      []string // variables defined at the moment.
-}
-
-// Copy returns a copy of the Tree. Any parsing state is discarded.
-func (t *Tree) Copy() *Tree {
-	if t == nil {
-		return nil
-	}
-	return &Tree{
-		Name:      t.Name,
-		ParseName: t.ParseName,
-		Root:      t.Root.CopyList(),
-		text:      t.text,
-	}
-}
-
-// Parse returns a map from template name to parse.Tree, created by parsing the
-// templates described in the argument string. The top-level template will be
-// given the specified name. If an error is encountered, parsing stops and an
-// empty map is returned with the error.
-func Parse(name, text, leftDelim, rightDelim string, funcs ...map[string]interface{}) (treeSet map[string]*Tree, err error) {
-	treeSet = make(map[string]*Tree)
-	t := New(name)
-	t.text = text
-	_, err = t.Parse(text, leftDelim, rightDelim, treeSet, funcs...)
-	return
-}
-
-// next returns the next token.
-func (t *Tree) next() item {
-	if t.peekCount > 0 {
-		t.peekCount--
-	} else {
-		t.token[0] = t.lex.nextItem()
-	}
-	return t.token[t.peekCount]
-}
-
-// backup backs the input stream up one token.
-func (t *Tree) backup() {
-	t.peekCount++
-}
-
-// backup2 backs the input stream up two tokens.
-// The zeroth token is already there.
-func (t *Tree) backup2(t1 item) {
-	t.token[1] = t1
-	t.peekCount = 2
-}
-
-// backup3 backs the input stream up three tokens
-// The zeroth token is already there.
-func (t *Tree) backup3(t2, t1 item) { // Reverse order: we're pushing back.
-	t.token[1] = t1
-	t.token[2] = t2
-	t.peekCount = 3
-}
-
-// peek returns but does not consume the next token.
-func (t *Tree) peek() item {
-	if t.peekCount > 0 {
-		return t.token[t.peekCount-1]
-	}
-	t.peekCount = 1
-	t.token[0] = t.lex.nextItem()
-	return t.token[0]
-}
-
-// nextNonSpace returns the next non-space token.
-func (t *Tree) nextNonSpace() (token item) {
-	for {
-		token = t.next()
-		if token.typ != itemSpace {
-			break
-		}
-	}
-	return token
-}
-
-// peekNonSpace returns but does not consume the next non-space token.
-func (t *Tree) peekNonSpace() (token item) {
-	for {
-		token = t.next()
-		if token.typ != itemSpace {
-			break
-		}
-	}
-	t.backup()
-	return token
-}
-
-// Parsing.
-
-// New allocates a new parse tree with the given name.
-func New(name string, funcs ...map[string]interface{}) *Tree {
-	return &Tree{
-		Name:  name,
-		funcs: funcs,
-	}
-}
-
-// ErrorContext returns a textual representation of the location of the node in the input text.
-// The receiver is only used when the node does not have a pointer to the tree inside,
-// which can occur in old code.
-func (t *Tree) ErrorContext(n Node) (location, context string) {
-	pos := int(n.Position())
-	tree := n.tree()
-	if tree == nil {
-		tree = t
-	}
-	text := tree.text[:pos]
-	byteNum := strings.LastIndex(text, "\n")
-	if byteNum == -1 {
-		byteNum = pos // On first line.
-	} else {
-		byteNum++ // After the newline.
-		byteNum = pos - byteNum
-	}
-	lineNum := 1 + strings.Count(text, "\n")
-	context = n.String()
-	if len(context) > 20 {
-		context = fmt.Sprintf("%.20s...", context)
-	}
-	return fmt.Sprintf("%s:%d:%d", tree.ParseName, lineNum, byteNum), context
-}
-
-// errorf formats the error and terminates processing.
-func (t *Tree) errorf(format string, args ...interface{}) {
-	t.Root = nil
-	format = fmt.Sprintf("template: %s:%d: %s", t.ParseName, t.lex.lineNumber(), format)
-	panic(fmt.Errorf(format, args...))
-}
-
-// error terminates processing.
-func (t *Tree) error(err error) {
-	t.errorf("%s", err)
-}
-
-// expect consumes the next token and guarantees it has the required type.
-func (t *Tree) expect(expected itemType, context string) item {
-	token := t.nextNonSpace()
-	if token.typ != expected {
-		t.unexpected(token, context)
-	}
-	return token
-}
-
-// expectOneOf consumes the next token and guarantees it has one of the required types.
-func (t *Tree) expectOneOf(expected1, expected2 itemType, context string) item {
-	token := t.nextNonSpace()
-	if token.typ != expected1 && token.typ != expected2 {
-		t.unexpected(token, context)
-	}
-	return token
-}
-
-// unexpected complains about the token and terminates processing.
-func (t *Tree) unexpected(token item, context string) {
-	t.errorf("unexpected %s in %s", token, context)
-}
-
-// recover is the handler that turns panics into returns from the top level of Parse.
-func (t *Tree) recover(errp *error) {
-	e := recover()
-	if e != nil {
-		if _, ok := e.(runtime.Error); ok {
-			panic(e)
-		}
-		if t != nil {
-			t.stopParse()
-		}
-		*errp = e.(error)
-	}
-	return
-}
-
-// startParse initializes the parser, using the lexer.
-func (t *Tree) startParse(funcs []map[string]interface{}, lex *lexer) {
-	t.Root = nil
-	t.lex = lex
-	t.vars = []string{"$"}
-	t.funcs = funcs
-}
-
-// stopParse terminates parsing.
-func (t *Tree) stopParse() {
-	t.lex = nil
-	t.vars = nil
-	t.funcs = nil
-}
-
-// Parse parses the template definition string to construct a representation of
-// the template for execution. If either action delimiter string is empty, the
-// default ("{{" or "}}") is used. Embedded template definitions are added to
-// the treeSet map.
-func (t *Tree) Parse(text, leftDelim, rightDelim string, treeSet map[string]*Tree, funcs ...map[string]interface{}) (tree *Tree, err error) {
-	defer t.recover(&err)
-	t.ParseName = t.Name
-	t.startParse(funcs, lex(t.Name, text, leftDelim, rightDelim))
-	t.text = text
-	t.parse(treeSet)
-	t.add(treeSet)
-	t.stopParse()
-	return t, nil
-}
-
-// add adds tree to the treeSet.
-func (t *Tree) add(treeSet map[string]*Tree) {
-	tree := treeSet[t.Name]
-	if tree == nil || IsEmptyTree(tree.Root) {
-		treeSet[t.Name] = t
-		return
-	}
-	if !IsEmptyTree(t.Root) {
-		t.errorf("template: multiple definition of template %q", t.Name)
-	}
-}
-
-// IsEmptyTree reports whether this tree (node) is empty of everything but space.
-func IsEmptyTree(n Node) bool {
-	switch n := n.(type) {
-	case nil:
-		return true
-	case *ActionNode:
-	case *IfNode:
-	case *ListNode:
-		for _, node := range n.Nodes {
-			if !IsEmptyTree(node) {
-				return false
-			}
-		}
-		return true
-	case *RangeNode:
-	case *TemplateNode:
-	case *TextNode:
-		return len(bytes.TrimSpace(n.Text)) == 0
-	case *WithNode:
-	default:
-		panic("unknown node: " + n.String())
-	}
-	return false
-}
-
-// parse is the top-level parser for a template, essentially the same
-// as itemList except it also parses {{define}} actions.
-// It runs to EOF.
-func (t *Tree) parse(treeSet map[string]*Tree) (next Node) {
-	t.Root = t.newList(t.peek().pos)
-	for t.peek().typ != itemEOF {
-		if t.peek().typ == itemLeftDelim {
-			delim := t.next()
-			if t.nextNonSpace().typ == itemDefine {
-				newT := New("definition") // name will be updated once we know it.
-				newT.text = t.text
-				newT.ParseName = t.ParseName
-				newT.startParse(t.funcs, t.lex)
-				newT.parseDefinition(treeSet)
-				continue
-			}
-			t.backup2(delim)
-		}
-		n := t.textOrAction()
-		if n.Type() == nodeEnd {
-			t.errorf("unexpected %s", n)
-		}
-		t.Root.append(n)
-	}
-	return nil
-}
-
-// parseDefinition parses a {{define}} ...  {{end}} template definition and
-// installs the definition in the treeSet map.  The "define" keyword has already
-// been scanned.
-func (t *Tree) parseDefinition(treeSet map[string]*Tree) {
-	const context = "define clause"
-	name := t.expectOneOf(itemString, itemRawString, context)
-	var err error
-	t.Name, err = strconv.Unquote(name.val)
-	if err != nil {
-		t.error(err)
-	}
-	t.expect(itemRightDelim, context)
-	var end Node
-	t.Root, end = t.itemList()
-	if end.Type() != nodeEnd {
-		t.errorf("unexpected %s in %s", end, context)
-	}
-	t.add(treeSet)
-	t.stopParse()
-}
-
-// itemList:
-//	textOrAction*
-// Terminates at {{end}} or {{else}}, returned separately.
-func (t *Tree) itemList() (list *ListNode, next Node) {
-	list = t.newList(t.peekNonSpace().pos)
-	for t.peekNonSpace().typ != itemEOF {
-		n := t.textOrAction()
-		switch n.Type() {
-		case nodeEnd, nodeElse:
-			return list, n
-		}
-		list.append(n)
-	}
-	t.errorf("unexpected EOF")
-	return
-}
-
-// textOrAction:
-//	text | action
-func (t *Tree) textOrAction() Node {
-	switch token := t.nextNonSpace(); token.typ {
-	case itemElideNewline:
-		return t.elideNewline()
-	case itemText:
-		return t.newText(token.pos, token.val)
-	case itemLeftDelim:
-		return t.action()
-	default:
-		t.unexpected(token, "input")
-	}
-	return nil
-}
-
-// elideNewline:
-// Remove newlines trailing rightDelim if \\ is present.
-func (t *Tree) elideNewline() Node {
-	token := t.peek()
-	if token.typ != itemText {
-		t.unexpected(token, "input")
-		return nil
-	}
-
-	t.next()
-	stripped := strings.TrimLeft(token.val, "\n\r")
-	diff := len(token.val) - len(stripped)
-	if diff > 0 {
-		// This is a bit nasty. We mutate the token in-place to remove
-		// preceding newlines.
-		token.pos += Pos(diff)
-		token.val = stripped
-	}
-	return t.newText(token.pos, token.val)
-}
-
-// Action:
-//	control
-//	command ("|" command)*
-// Left delim is past. Now get actions.
-// First word could be a keyword such as range.
-func (t *Tree) action() (n Node) {
-	switch token := t.nextNonSpace(); token.typ {
-	case itemElse:
-		return t.elseControl()
-	case itemEnd:
-		return t.endControl()
-	case itemIf:
-		return t.ifControl()
-	case itemRange:
-		return t.rangeControl()
-	case itemTemplate:
-		return t.templateControl()
-	case itemWith:
-		return t.withControl()
-	}
-	t.backup()
-	// Do not pop variables; they persist until "end".
-	return t.newAction(t.peek().pos, t.lex.lineNumber(), t.pipeline("command"))
-}
-
-// Pipeline:
-//	declarations? command ('|' command)*
-func (t *Tree) pipeline(context string) (pipe *PipeNode) {
-	var decl []*VariableNode
-	pos := t.peekNonSpace().pos
-	// Are there declarations?
-	for {
-		if v := t.peekNonSpace(); v.typ == itemVariable {
-			t.next()
-			// Since space is a token, we need 3-token look-ahead here in the worst case:
-			// in "$x foo" we need to read "foo" (as opposed to ":=") to know that $x is an
-			// argument variable rather than a declaration. So remember the token
-			// adjacent to the variable so we can push it back if necessary.
-			tokenAfterVariable := t.peek()
-			if next := t.peekNonSpace(); next.typ == itemColonEquals || (next.typ == itemChar && next.val == ",") {
-				t.nextNonSpace()
-				variable := t.newVariable(v.pos, v.val)
-				decl = append(decl, variable)
-				t.vars = append(t.vars, v.val)
-				if next.typ == itemChar && next.val == "," {
-					if context == "range" && len(decl) < 2 {
-						continue
-					}
-					t.errorf("too many declarations in %s", context)
-				}
-			} else if tokenAfterVariable.typ == itemSpace {
-				t.backup3(v, tokenAfterVariable)
-			} else {
-				t.backup2(v)
-			}
-		}
-		break
-	}
-	pipe = t.newPipeline(pos, t.lex.lineNumber(), decl)
-	for {
-		switch token := t.nextNonSpace(); token.typ {
-		case itemRightDelim, itemRightParen:
-			if len(pipe.Cmds) == 0 {
-				t.errorf("missing value for %s", context)
-			}
-			if token.typ == itemRightParen {
-				t.backup()
-			}
-			return
-		case itemBool, itemCharConstant, itemComplex, itemDot, itemField, itemIdentifier,
-			itemNumber, itemNil, itemRawString, itemString, itemVariable, itemLeftParen:
-			t.backup()
-			pipe.append(t.command())
-		default:
-			t.unexpected(token, context)
-		}
-	}
-}
-
-func (t *Tree) parseControl(allowElseIf bool, context string) (pos Pos, line int, pipe *PipeNode, list, elseList *ListNode) {
-	defer t.popVars(len(t.vars))
-	line = t.lex.lineNumber()
-	pipe = t.pipeline(context)
-	var next Node
-	list, next = t.itemList()
-	switch next.Type() {
-	case nodeEnd: //done
-	case nodeElse:
-		if allowElseIf {
-			// Special case for "else if". If the "else" is followed immediately by an "if",
-			// the elseControl will have left the "if" token pending. Treat
-			//	{{if a}}_{{else if b}}_{{end}}
-			// as
-			//	{{if a}}_{{else}}{{if b}}_{{end}}{{end}}.
-			// To do this, parse the if as usual and stop at it {{end}}; the subsequent{{end}}
-			// is assumed. This technique works even for long if-else-if chains.
-			// TODO: Should we allow else-if in with and range?
-			if t.peek().typ == itemIf {
-				t.next() // Consume the "if" token.
-				elseList = t.newList(next.Position())
-				elseList.append(t.ifControl())
-				// Do not consume the next item - only one {{end}} required.
-				break
-			}
-		}
-		elseList, next = t.itemList()
-		if next.Type() != nodeEnd {
-			t.errorf("expected end; found %s", next)
-		}
-	}
-	return pipe.Position(), line, pipe, list, elseList
-}
-
-// If:
-//	{{if pipeline}} itemList {{end}}
-//	{{if pipeline}} itemList {{else}} itemList {{end}}
-// If keyword is past.
-func (t *Tree) ifControl() Node {
-	return t.newIf(t.parseControl(true, "if"))
-}
-
-// Range:
-//	{{range pipeline}} itemList {{end}}
-//	{{range pipeline}} itemList {{else}} itemList {{end}}
-// Range keyword is past.
-func (t *Tree) rangeControl() Node {
-	return t.newRange(t.parseControl(false, "range"))
-}
-
-// With:
-//	{{with pipeline}} itemList {{end}}
-//	{{with pipeline}} itemList {{else}} itemList {{end}}
-// If keyword is past.
-func (t *Tree) withControl() Node {
-	return t.newWith(t.parseControl(false, "with"))
-}
-
-// End:
-//	{{end}}
-// End keyword is past.
-func (t *Tree) endControl() Node {
-	return t.newEnd(t.expect(itemRightDelim, "end").pos)
-}
-
-// Else:
-//	{{else}}
-// Else keyword is past.
-func (t *Tree) elseControl() Node {
-	// Special case for "else if".
-	peek := t.peekNonSpace()
-	if peek.typ == itemIf {
-		// We see "{{else if ... " but in effect rewrite it to {{else}}{{if ... ".
-		return t.newElse(peek.pos, t.lex.lineNumber())
-	}
-	return t.newElse(t.expect(itemRightDelim, "else").pos, t.lex.lineNumber())
-}
-
-// Template:
-//	{{template stringValue pipeline}}
-// Template keyword is past.  The name must be something that can evaluate
-// to a string.
-func (t *Tree) templateControl() Node {
-	var name string
-	token := t.nextNonSpace()
-	switch token.typ {
-	case itemString, itemRawString:
-		s, err := strconv.Unquote(token.val)
-		if err != nil {
-			t.error(err)
-		}
-		name = s
-	default:
-		t.unexpected(token, "template invocation")
-	}
-	var pipe *PipeNode
-	if t.nextNonSpace().typ != itemRightDelim {
-		t.backup()
-		// Do not pop variables; they persist until "end".
-		pipe = t.pipeline("template")
-	}
-	return t.newTemplate(token.pos, t.lex.lineNumber(), name, pipe)
-}
-
-// command:
-//	operand (space operand)*
-// space-separated arguments up to a pipeline character or right delimiter.
-// we consume the pipe character but leave the right delim to terminate the action.
-func (t *Tree) command() *CommandNode {
-	cmd := t.newCommand(t.peekNonSpace().pos)
-	for {
-		t.peekNonSpace() // skip leading spaces.
-		operand := t.operand()
-		if operand != nil {
-			cmd.append(operand)
-		}
-		switch token := t.next(); token.typ {
-		case itemSpace:
-			continue
-		case itemError:
-			t.errorf("%s", token.val)
-		case itemRightDelim, itemRightParen:
-			t.backup()
-		case itemPipe:
-		default:
-			t.errorf("unexpected %s in operand; missing space?", token)
-		}
-		break
-	}
-	if len(cmd.Args) == 0 {
-		t.errorf("empty command")
-	}
-	return cmd
-}
-
-// operand:
-//	term .Field*
-// An operand is a space-separated component of a command,
-// a term possibly followed by field accesses.
-// A nil return means the next item is not an operand.
-func (t *Tree) operand() Node {
-	node := t.term()
-	if node == nil {
-		return nil
-	}
-	if t.peek().typ == itemField {
-		chain := t.newChain(t.peek().pos, node)
-		for t.peek().typ == itemField {
-			chain.Add(t.next().val)
-		}
-		// Compatibility with original API: If the term is of type NodeField
-		// or NodeVariable, just put more fields on the original.
-		// Otherwise, keep the Chain node.
-		// TODO: Switch to Chains always when we can.
-		switch node.Type() {
-		case NodeField:
-			node = t.newField(chain.Position(), chain.String())
-		case NodeVariable:
-			node = t.newVariable(chain.Position(), chain.String())
-		default:
-			node = chain
-		}
-	}
-	return node
-}
-
-// term:
-//	literal (number, string, nil, boolean)
-//	function (identifier)
-//	.
-//	.Field
-//	$
-//	'(' pipeline ')'
-// A term is a simple "expression".
-// A nil return means the next item is not a term.
-func (t *Tree) term() Node {
-	switch token := t.nextNonSpace(); token.typ {
-	case itemError:
-		t.errorf("%s", token.val)
-	case itemIdentifier:
-		if !t.hasFunction(token.val) {
-			t.errorf("function %q not defined", token.val)
-		}
-		return NewIdentifier(token.val).SetTree(t).SetPos(token.pos)
-	case itemDot:
-		return t.newDot(token.pos)
-	case itemNil:
-		return t.newNil(token.pos)
-	case itemVariable:
-		return t.useVar(token.pos, token.val)
-	case itemField:
-		return t.newField(token.pos, token.val)
-	case itemBool:
-		return t.newBool(token.pos, token.val == "true")
-	case itemCharConstant, itemComplex, itemNumber:
-		number, err := t.newNumber(token.pos, token.val, token.typ)
-		if err != nil {
-			t.error(err)
-		}
-		return number
-	case itemLeftParen:
-		pipe := t.pipeline("parenthesized pipeline")
-		if token := t.next(); token.typ != itemRightParen {
-			t.errorf("unclosed right paren: unexpected %s", token)
-		}
-		return pipe
-	case itemString, itemRawString:
-		s, err := strconv.Unquote(token.val)
-		if err != nil {
-			t.error(err)
-		}
-		return t.newString(token.pos, token.val, s)
-	}
-	t.backup()
-	return nil
-}
-
-// hasFunction reports if a function name exists in the Tree's maps.
-func (t *Tree) hasFunction(name string) bool {
-	for _, funcMap := range t.funcs {
-		if funcMap == nil {
-			continue
-		}
-		if funcMap[name] != nil {
-			return true
-		}
-	}
-	return false
-}
-
-// popVars trims the variable list to the specified length
-func (t *Tree) popVars(n int) {
-	t.vars = t.vars[:n]
-}
-
-// useVar returns a node for a variable reference. It errors if the
-// variable is not defined.
-func (t *Tree) useVar(pos Pos, name string) Node {
-	v := t.newVariable(pos, name)
-	for _, varName := range t.vars {
-		if varName == v.Ident[0] {
-			return v
-		}
-	}
-	t.errorf("undefined variable %q", v.Ident[0])
-	return nil
-}
--- a/vendor/github.com/alecthomas/template/template.go
+++ b/vendor/github.com/alecthomas/template/template.go
@@ -1,218 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package template
-
-import (
-	"fmt"
-	"reflect"
-
-	"github.com/alecthomas/template/parse"
-)
-
-// common holds the information shared by related templates.
-type common struct {
-	tmpl map[string]*Template
-	// We use two maps, one for parsing and one for execution.
-	// This separation makes the API cleaner since it doesn't
-	// expose reflection to the client.
-	parseFuncs FuncMap
-	execFuncs  map[string]reflect.Value
-}
-
-// Template is the representation of a parsed template. The *parse.Tree
-// field is exported only for use by html/template and should be treated
-// as unexported by all other clients.
-type Template struct {
-	name string
-	*parse.Tree
-	*common
-	leftDelim  string
-	rightDelim string
-}
-
-// New allocates a new template with the given name.
-func New(name string) *Template {
-	return &Template{
-		name: name,
-	}
-}
-
-// Name returns the name of the template.
-func (t *Template) Name() string {
-	return t.name
-}
-
-// New allocates a new template associated with the given one and with the same
-// delimiters. The association, which is transitive, allows one template to
-// invoke another with a {{template}} action.
-func (t *Template) New(name string) *Template {
-	t.init()
-	return &Template{
-		name:       name,
-		common:     t.common,
-		leftDelim:  t.leftDelim,
-		rightDelim: t.rightDelim,
-	}
-}
-
-func (t *Template) init() {
-	if t.common == nil {
-		t.common = new(common)
-		t.tmpl = make(map[string]*Template)
-		t.parseFuncs = make(FuncMap)
-		t.execFuncs = make(map[string]reflect.Value)
-	}
-}
-
-// Clone returns a duplicate of the template, including all associated
-// templates. The actual representation is not copied, but the name space of
-// associated templates is, so further calls to Parse in the copy will add
-// templates to the copy but not to the original. Clone can be used to prepare
-// common templates and use them with variant definitions for other templates
-// by adding the variants after the clone is made.
-func (t *Template) Clone() (*Template, error) {
-	nt := t.copy(nil)
-	nt.init()
-	nt.tmpl[t.name] = nt
-	for k, v := range t.tmpl {
-		if k == t.name { // Already installed.
-			continue
-		}
-		// The associated templates share nt's common structure.
-		tmpl := v.copy(nt.common)
-		nt.tmpl[k] = tmpl
-	}
-	for k, v := range t.parseFuncs {
-		nt.parseFuncs[k] = v
-	}
-	for k, v := range t.execFuncs {
-		nt.execFuncs[k] = v
-	}
-	return nt, nil
-}
-
-// copy returns a shallow copy of t, with common set to the argument.
-func (t *Template) copy(c *common) *Template {
-	nt := New(t.name)
-	nt.Tree = t.Tree
-	nt.common = c
-	nt.leftDelim = t.leftDelim
-	nt.rightDelim = t.rightDelim
-	return nt
-}
-
-// AddParseTree creates a new template with the name and parse tree
-// and associates it with t.
-func (t *Template) AddParseTree(name string, tree *parse.Tree) (*Template, error) {
-	if t.common != nil && t.tmpl[name] != nil {
-		return nil, fmt.Errorf("template: redefinition of template %q", name)
-	}
-	nt := t.New(name)
-	nt.Tree = tree
-	t.tmpl[name] = nt
-	return nt, nil
-}
-
-// Templates returns a slice of the templates associated with t, including t
-// itself.
-func (t *Template) Templates() []*Template {
-	if t.common == nil {
-		return nil
-	}
-	// Return a slice so we don't expose the map.
-	m := make([]*Template, 0, len(t.tmpl))
-	for _, v := range t.tmpl {
-		m = append(m, v)
-	}
-	return m
-}
-
-// Delims sets the action delimiters to the specified strings, to be used in
-// subsequent calls to Parse, ParseFiles, or ParseGlob. Nested template
-// definitions will inherit the settings. An empty delimiter stands for the
-// corresponding default: {{ or }}.
-// The return value is the template, so calls can be chained.
-func (t *Template) Delims(left, right string) *Template {
-	t.leftDelim = left
-	t.rightDelim = right
-	return t
-}
-
-// Funcs adds the elements of the argument map to the template's function map.
-// It panics if a value in the map is not a function with appropriate return
-// type. However, it is legal to overwrite elements of the map. The return
-// value is the template, so calls can be chained.
-func (t *Template) Funcs(funcMap FuncMap) *Template {
-	t.init()
-	addValueFuncs(t.execFuncs, funcMap)
-	addFuncs(t.parseFuncs, funcMap)
-	return t
-}
-
-// Lookup returns the template with the given name that is associated with t,
-// or nil if there is no such template.
-func (t *Template) Lookup(name string) *Template {
-	if t.common == nil {
-		return nil
-	}
-	return t.tmpl[name]
-}
-
-// Parse parses a string into a template. Nested template definitions will be
-// associated with the top-level template t. Parse may be called multiple times
-// to parse definitions of templates to associate with t. It is an error if a
-// resulting template is non-empty (contains content other than template
-// definitions) and would replace a non-empty template with the same name.
-// (In multiple calls to Parse with the same receiver template, only one call
-// can contain text other than space, comments, and template definitions.)
-func (t *Template) Parse(text string) (*Template, error) {
-	t.init()
-	trees, err := parse.Parse(t.name, text, t.leftDelim, t.rightDelim, t.parseFuncs, builtins)
-	if err != nil {
-		return nil, err
-	}
-	// Add the newly parsed trees, including the one for t, into our common structure.
-	for name, tree := range trees {
-		// If the name we parsed is the name of this template, overwrite this template.
-		// The associate method checks it's not a redefinition.
-		tmpl := t
-		if name != t.name {
-			tmpl = t.New(name)
-		}
-		// Even if t == tmpl, we need to install it in the common.tmpl map.
-		if replace, err := t.associate(tmpl, tree); err != nil {
-			return nil, err
-		} else if replace {
-			tmpl.Tree = tree
-		}
-		tmpl.leftDelim = t.leftDelim
-		tmpl.rightDelim = t.rightDelim
-	}
-	return t, nil
-}
-
-// associate installs the new template into the group of templates associated
-// with t. It is an error to reuse a name except to overwrite an empty
-// template. The two are already known to share the common structure.
-// The boolean return value reports wither to store this tree as t.Tree.
-func (t *Template) associate(new *Template, tree *parse.Tree) (bool, error) {
-	if new.common != t.common {
-		panic("internal error: associate not common")
-	}
-	name := new.name
-	if old := t.tmpl[name]; old != nil {
-		oldIsEmpty := parse.IsEmptyTree(old.Root)
-		newIsEmpty := parse.IsEmptyTree(tree.Root)
-		if newIsEmpty {
-			// Whether old is empty or not, new is empty; no reason to replace old.
-			return false, nil
-		}
-		if !oldIsEmpty {
-			return false, fmt.Errorf("template: redefinition of template %q", name)
-		}
-	}
-	t.tmpl[name] = new
-	return true, nil
-}
--- a/vendor/github.com/alecthomas/units/COPYING
+++ b/vendor/github.com/alecthomas/units/COPYING
@@ -1,19 +0,0 @@
-Copyright (C) 2014 Alec Thomas
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
--- a/vendor/github.com/alecthomas/units/README.md
+++ b/vendor/github.com/alecthomas/units/README.md
@@ -1,11 +0,0 @@
-# Units - Helpful unit multipliers and functions for Go
-
-The goal of this package is to have functionality similar to the [time](http://golang.org/pkg/time/) package.
-
-It allows for code like this:
-
-```go
-n, err := ParseBase2Bytes("1KB")
-// n == 1024
-n = units.Mebibyte * 512
-```
--- a/vendor/github.com/alecthomas/units/bytes.go
+++ b/vendor/github.com/alecthomas/units/bytes.go
@@ -1,85 +0,0 @@
-package units
-
-// Base2Bytes is the old non-SI power-of-2 byte scale (1024 bytes in a kilobyte,
-// etc.).
-type Base2Bytes int64
-
-// Base-2 byte units.
-const (
-	Kibibyte Base2Bytes = 1024
-	KiB                 = Kibibyte
-	Mebibyte            = Kibibyte * 1024
-	MiB                 = Mebibyte
-	Gibibyte            = Mebibyte * 1024
-	GiB                 = Gibibyte
-	Tebibyte            = Gibibyte * 1024
-	TiB                 = Tebibyte
-	Pebibyte            = Tebibyte * 1024
-	PiB                 = Pebibyte
-	Exbibyte            = Pebibyte * 1024
-	EiB                 = Exbibyte
-)
-
-var (
-	bytesUnitMap    = MakeUnitMap("iB", "B", 1024)
-	oldBytesUnitMap = MakeUnitMap("B", "B", 1024)
-)
-
-// ParseBase2Bytes supports both iB and B in base-2 multipliers. That is, KB
-// and KiB are both 1024.
-// However "kB", which is the correct SI spelling of 1000 Bytes, is rejected.
-func ParseBase2Bytes(s string) (Base2Bytes, error) {
-	n, err := ParseUnit(s, bytesUnitMap)
-	if err != nil {
-		n, err = ParseUnit(s, oldBytesUnitMap)
-	}
-	return Base2Bytes(n), err
-}
-
-func (b Base2Bytes) String() string {
-	return ToString(int64(b), 1024, "iB", "B")
-}
-
-var (
-	metricBytesUnitMap = MakeUnitMap("B", "B", 1000)
-)
-
-// MetricBytes are SI byte units (1000 bytes in a kilobyte).
-type MetricBytes SI
-
-// SI base-10 byte units.
-const (
-	Kilobyte MetricBytes = 1000
-	KB                   = Kilobyte
-	Megabyte             = Kilobyte * 1000
-	MB                   = Megabyte
-	Gigabyte             = Megabyte * 1000
-	GB                   = Gigabyte
-	Terabyte             = Gigabyte * 1000
-	TB                   = Terabyte
-	Petabyte             = Terabyte * 1000
-	PB                   = Petabyte
-	Exabyte              = Petabyte * 1000
-	EB                   = Exabyte
-)
-
-// ParseMetricBytes parses base-10 metric byte units. That is, KB is 1000 bytes.
-func ParseMetricBytes(s string) (MetricBytes, error) {
-	n, err := ParseUnit(s, metricBytesUnitMap)
-	return MetricBytes(n), err
-}
-
-// TODO: represents 1000B as uppercase "KB", while SI standard requires "kB".
-func (m MetricBytes) String() string {
-	return ToString(int64(m), 1000, "B", "B")
-}
-
-// ParseStrictBytes supports both iB and B suffixes for base 2 and metric,
-// respectively. That is, KiB represents 1024 and kB, KB represent 1000.
-func ParseStrictBytes(s string) (int64, error) {
-	n, err := ParseUnit(s, bytesUnitMap)
-	if err != nil {
-		n, err = ParseUnit(s, metricBytesUnitMap)
-	}
-	return int64(n), err
-}
--- a/vendor/github.com/alecthomas/units/doc.go
+++ b/vendor/github.com/alecthomas/units/doc.go
@@ -1,13 +0,0 @@
-// Package units provides helpful unit multipliers and functions for Go.
-//
-// The goal of this package is to have functionality similar to the time [1] package.
-//
-//
-// [1] http://golang.org/pkg/time/
-//
-// It allows for code like this:
-//
-//     n, err := ParseBase2Bytes("1KB")
-//     // n == 1024
-//     n = units.Mebibyte * 512
-package units
--- a/vendor/github.com/alecthomas/units/go.mod
+++ b/vendor/github.com/alecthomas/units/go.mod
@@ -1,3 +0,0 @@
-module github.com/alecthomas/units
-
-require github.com/stretchr/testify v1.4.0
--- a/vendor/github.com/alecthomas/units/go.sum
+++ b/vendor/github.com/alecthomas/units/go.sum
@@ -1,11 +0,0 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
--- a/vendor/github.com/alecthomas/units/si.go
+++ b/vendor/github.com/alecthomas/units/si.go
@@ -1,50 +0,0 @@
-package units
-
-// SI units.
-type SI int64
-
-// SI unit multiples.
-const (
-	Kilo SI = 1000
-	Mega    = Kilo * 1000
-	Giga    = Mega * 1000
-	Tera    = Giga * 1000
-	Peta    = Tera * 1000
-	Exa     = Peta * 1000
-)
-
-func MakeUnitMap(suffix, shortSuffix string, scale int64) map[string]float64 {
-	res := map[string]float64{
-		shortSuffix: 1,
-		// see below for "k" / "K"
-		"M" + suffix: float64(scale * scale),
-		"G" + suffix: float64(scale * scale * scale),
-		"T" + suffix: float64(scale * scale * scale * scale),
-		"P" + suffix: float64(scale * scale * scale * scale * scale),
-		"E" + suffix: float64(scale * scale * scale * scale * scale * scale),
-	}
-
-	// Standard SI prefixes use lowercase "k" for kilo = 1000.
-	// For compatibility, and to be fool-proof, we accept both "k" and "K" in metric mode.
-	//
-	// However, official binary prefixes are always capitalized - "KiB" -
-	// and we specifically never parse "kB" as 1024B because:
-	//
-	// (1) people pedantic enough to use lowercase according to SI unlikely to abuse "k" to mean 1024 :-)
-	//
-	// (2) Use of capital K for 1024 was an informal tradition predating IEC prefixes:
-	//     "The binary meaning of the kilobyte for 1024 bytes typically uses the symbol KB, with an
-	//     uppercase letter K."
-	//     -- https://en.wikipedia.org/wiki/Kilobyte#Base_2_(1024_bytes)
-	//     "Capitalization of the letter K became the de facto standard for binary notation, although this
-	//     could not be extended to higher powers, and use of the lowercase k did persist.[13][14][15]"
-	//     -- https://en.wikipedia.org/wiki/Binary_prefix#History
-	//     See also the extensive https://en.wikipedia.org/wiki/Timeline_of_binary_prefixes.
-	if scale == 1024 {
-		res["K"+suffix] = float64(scale)
-	} else {
-		res["k"+suffix] = float64(scale)
-		res["K"+suffix] = float64(scale)
-	}
-	return res
-}
--- a/vendor/github.com/alecthomas/units/util.go
+++ b/vendor/github.com/alecthomas/units/util.go
@@ -1,138 +0,0 @@
-package units
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-)
-
-var (
-	siUnits = []string{"", "K", "M", "G", "T", "P", "E"}
-)
-
-func ToString(n int64, scale int64, suffix, baseSuffix string) string {
-	mn := len(siUnits)
-	out := make([]string, mn)
-	for i, m := range siUnits {
-		if n%scale != 0 || i == 0 && n == 0 {
-			s := suffix
-			if i == 0 {
-				s = baseSuffix
-			}
-			out[mn-1-i] = fmt.Sprintf("%d%s%s", n%scale, m, s)
-		}
-		n /= scale
-		if n == 0 {
-			break
-		}
-	}
-	return strings.Join(out, "")
-}
-
-// Below code ripped straight from http://golang.org/src/pkg/time/format.go?s=33392:33438#L1123
-var errLeadingInt = errors.New("units: bad [0-9]*") // never printed
-
-// leadingInt consumes the leading [0-9]* from s.
-func leadingInt(s string) (x int64, rem string, err error) {
-	i := 0
-	for ; i < len(s); i++ {
-		c := s[i]
-		if c < '0' || c > '9' {
-			break
-		}
-		if x >= (1<<63-10)/10 {
-			// overflow
-			return 0, "", errLeadingInt
-		}
-		x = x*10 + int64(c) - '0'
-	}
-	return x, s[i:], nil
-}
-
-func ParseUnit(s string, unitMap map[string]float64) (int64, error) {
-	// [-+]?([0-9]*(\.[0-9]*)?[a-z]+)+
-	orig := s
-	f := float64(0)
-	neg := false
-
-	// Consume [-+]?
-	if s != "" {
-		c := s[0]
-		if c == '-' || c == '+' {
-			neg = c == '-'
-			s = s[1:]
-		}
-	}
-	// Special case: if all that is left is "0", this is zero.
-	if s == "0" {
-		return 0, nil
-	}
-	if s == "" {
-		return 0, errors.New("units: invalid " + orig)
-	}
-	for s != "" {
-		g := float64(0) // this element of the sequence
-
-		var x int64
-		var err error
-
-		// The next character must be [0-9.]
-		if !(s[0] == '.' || ('0' <= s[0] && s[0] <= '9')) {
-			return 0, errors.New("units: invalid " + orig)
-		}
-		// Consume [0-9]*
-		pl := len(s)
-		x, s, err = leadingInt(s)
-		if err != nil {
-			return 0, errors.New("units: invalid " + orig)
-		}
-		g = float64(x)
-		pre := pl != len(s) // whether we consumed anything before a period
-
-		// Consume (\.[0-9]*)?
-		post := false
-		if s != "" && s[0] == '.' {
-			s = s[1:]
-			pl := len(s)
-			x, s, err = leadingInt(s)
-			if err != nil {
-				return 0, errors.New("units: invalid " + orig)
-			}
-			scale := 1.0
-			for n := pl - len(s); n > 0; n-- {
-				scale *= 10
-			}
-			g += float64(x) / scale
-			post = pl != len(s)
-		}
-		if !pre && !post {
-			// no digits (e.g. ".s" or "-.s")
-			return 0, errors.New("units: invalid " + orig)
-		}
-
-		// Consume unit.
-		i := 0
-		for ; i < len(s); i++ {
-			c := s[i]
-			if c == '.' || ('0' <= c && c <= '9') {
-				break
-			}
-		}
-		u := s[:i]
-		s = s[i:]
-		unit, ok := unitMap[u]
-		if !ok {
-			return 0, errors.New("units: unknown unit " + u + " in " + orig)
-		}
-
-		f += g * unit
-	}
-
-	if neg {
-		f = -f
-	}
-	if f < float64(-1<<63) || f > float64(1<<63-1) {
-		return 0, errors.New("units: overflow parsing unit")
-	}
-	return int64(f), nil
-}
--- a/vendor/github.com/beorn7/perks/LICENSE
+++ b/vendor/github.com/beorn7/perks/LICENSE
@@ -1,20 +0,0 @@
-Copyright (C) 2013 Blake Mizerany
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/vendor/github.com/beorn7/perks/quantile/exampledata.txt
+++ b/vendor/github.com/beorn7/perks/quantile/exampledata.txt
--- a/vendor/github.com/beorn7/perks/quantile/stream.go
+++ b/vendor/github.com/beorn7/perks/quantile/stream.go
@@ -1,316 +0,0 @@
-// Package quantile computes approximate quantiles over an unbounded data
-// stream within low memory and CPU bounds.
-//
-// A small amount of accuracy is traded to achieve the above properties.
-//
-// Multiple streams can be merged before calling Query to generate a single set
-// of results. This is meaningful when the streams represent the same type of
-// data. See Merge and Samples.
-//
-// For more detailed information about the algorithm used, see:
-//
-// Effective Computation of Biased Quantiles over Data Streams
-//
-// http://www.cs.rutgers.edu/~muthu/bquant.pdf
-package quantile
-
-import (
-	"math"
-	"sort"
-)
-
-// Sample holds an observed value and meta information for compression. JSON
-// tags have been added for convenience.
-type Sample struct {
-	Value float64 `json:",string"`
-	Width float64 `json:",string"`
-	Delta float64 `json:",string"`
-}
-
-// Samples represents a slice of samples. It implements sort.Interface.
-type Samples []Sample
-
-func (a Samples) Len() int           { return len(a) }
-func (a Samples) Less(i, j int) bool { return a[i].Value < a[j].Value }
-func (a Samples) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
-
-type invariant func(s *stream, r float64) float64
-
-// NewLowBiased returns an initialized Stream for low-biased quantiles
-// (e.g. 0.01, 0.1, 0.5) where the needed quantiles are not known a priori, but
-// error guarantees can still be given even for the lower ranks of the data
-// distribution.
-//
-// The provided epsilon is a relative error, i.e. the true quantile of a value
-// returned by a query is guaranteed to be within (1±Epsilon)*Quantile.
-//
-// See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error
-// properties.
-func NewLowBiased(epsilon float64) *Stream {
-	ƒ := func(s *stream, r float64) float64 {
-		return 2 * epsilon * r
-	}
-	return newStream(ƒ)
-}
-
-// NewHighBiased returns an initialized Stream for high-biased quantiles
-// (e.g. 0.01, 0.1, 0.5) where the needed quantiles are not known a priori, but
-// error guarantees can still be given even for the higher ranks of the data
-// distribution.
-//
-// The provided epsilon is a relative error, i.e. the true quantile of a value
-// returned by a query is guaranteed to be within 1-(1±Epsilon)*(1-Quantile).
-//
-// See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error
-// properties.
-func NewHighBiased(epsilon float64) *Stream {
-	ƒ := func(s *stream, r float64) float64 {
-		return 2 * epsilon * (s.n - r)
-	}
-	return newStream(ƒ)
-}
-
-// NewTargeted returns an initialized Stream concerned with a particular set of
-// quantile values that are supplied a priori. Knowing these a priori reduces
-// space and computation time. The targets map maps the desired quantiles to
-// their absolute errors, i.e. the true quantile of a value returned by a query
-// is guaranteed to be within (Quantile±Epsilon).
-//
-// See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error properties.
-func NewTargeted(targetMap map[float64]float64) *Stream {
-	// Convert map to slice to avoid slow iterations on a map.
-	// ƒ is called on the hot path, so converting the map to a slice
-	// beforehand results in significant CPU savings.
-	targets := targetMapToSlice(targetMap)
-
-	ƒ := func(s *stream, r float64) float64 {
-		var m = math.MaxFloat64
-		var f float64
-		for _, t := range targets {
-			if t.quantile*s.n <= r {
-				f = (2 * t.epsilon * r) / t.quantile
-			} else {
-				f = (2 * t.epsilon * (s.n - r)) / (1 - t.quantile)
-			}
-			if f < m {
-				m = f
-			}
-		}
-		return m
-	}
-	return newStream(ƒ)
-}
-
-type target struct {
-	quantile float64
-	epsilon  float64
-}
-
-func targetMapToSlice(targetMap map[float64]float64) []target {
-	targets := make([]target, 0, len(targetMap))
-
-	for quantile, epsilon := range targetMap {
-		t := target{
-			quantile: quantile,
-			epsilon:  epsilon,
-		}
-		targets = append(targets, t)
-	}
-
-	return targets
-}
-
-// Stream computes quantiles for a stream of float64s. It is not thread-safe by
-// design. Take care when using across multiple goroutines.
-type Stream struct {
-	*stream
-	b      Samples
-	sorted bool
-}
-
-func newStream(ƒ invariant) *Stream {
-	x := &stream{ƒ: ƒ}
-	return &Stream{x, make(Samples, 0, 500), true}
-}
-
-// Insert inserts v into the stream.
-func (s *Stream) Insert(v float64) {
-	s.insert(Sample{Value: v, Width: 1})
-}
-
-func (s *Stream) insert(sample Sample) {
-	s.b = append(s.b, sample)
-	s.sorted = false
-	if len(s.b) == cap(s.b) {
-		s.flush()
-	}
-}
-
-// Query returns the computed qth percentiles value. If s was created with
-// NewTargeted, and q is not in the set of quantiles provided a priori, Query
-// will return an unspecified result.
-func (s *Stream) Query(q float64) float64 {
-	if !s.flushed() {
-		// Fast path when there hasn't been enough data for a flush;
-		// this also yields better accuracy for small sets of data.
-		l := len(s.b)
-		if l == 0 {
-			return 0
-		}
-		i := int(math.Ceil(float64(l) * q))
-		if i > 0 {
-			i -= 1
-		}
-		s.maybeSort()
-		return s.b[i].Value
-	}
-	s.flush()
-	return s.stream.query(q)
-}
-
-// Merge merges samples into the underlying streams samples. This is handy when
-// merging multiple streams from separate threads, database shards, etc.
-//
-// ATTENTION: This method is broken and does not yield correct results. The
-// underlying algorithm is not capable of merging streams correctly.
-func (s *Stream) Merge(samples Samples) {
-	sort.Sort(samples)
-	s.stream.merge(samples)
-}
-
-// Reset reinitializes and clears the list reusing the samples buffer memory.
-func (s *Stream) Reset() {
-	s.stream.reset()
-	s.b = s.b[:0]
-}
-
-// Samples returns stream samples held by s.
-func (s *Stream) Samples() Samples {
-	if !s.flushed() {
-		return s.b
-	}
-	s.flush()
-	return s.stream.samples()
-}
-
-// Count returns the total number of samples observed in the stream
-// since initialization.
-func (s *Stream) Count() int {
-	return len(s.b) + s.stream.count()
-}
-
-func (s *Stream) flush() {
-	s.maybeSort()
-	s.stream.merge(s.b)
-	s.b = s.b[:0]
-}
-
-func (s *Stream) maybeSort() {
-	if !s.sorted {
-		s.sorted = true
-		sort.Sort(s.b)
-	}
-}
-
-func (s *Stream) flushed() bool {
-	return len(s.stream.l) > 0
-}
-
-type stream struct {
-	n float64
-	l []Sample
-	ƒ invariant
-}
-
-func (s *stream) reset() {
-	s.l = s.l[:0]
-	s.n = 0
-}
-
-func (s *stream) insert(v float64) {
-	s.merge(Samples{{v, 1, 0}})
-}
-
-func (s *stream) merge(samples Samples) {
-	// TODO(beorn7): This tries to merge not only individual samples, but
-	// whole summaries. The paper doesn't mention merging summaries at
-	// all. Unittests show that the merging is inaccurate. Find out how to
-	// do merges properly.
-	var r float64
-	i := 0
-	for _, sample := range samples {
-		for ; i < len(s.l); i++ {
-			c := s.l[i]
-			if c.Value > sample.Value {
-				// Insert at position i.
-				s.l = append(s.l, Sample{})
-				copy(s.l[i+1:], s.l[i:])
-				s.l[i] = Sample{
-					sample.Value,
-					sample.Width,
-					math.Max(sample.Delta, math.Floor(s.ƒ(s, r))-1),
-					// TODO(beorn7): How to calculate delta correctly?
-				}
-				i++
-				goto inserted
-			}
-			r += c.Width
-		}
-		s.l = append(s.l, Sample{sample.Value, sample.Width, 0})
-		i++
-	inserted:
-		s.n += sample.Width
-		r += sample.Width
-	}
-	s.compress()
-}
-
-func (s *stream) count() int {
-	return int(s.n)
-}
-
-func (s *stream) query(q float64) float64 {
-	t := math.Ceil(q * s.n)
-	t += math.Ceil(s.ƒ(s, t) / 2)
-	p := s.l[0]
-	var r float64
-	for _, c := range s.l[1:] {
-		r += p.Width
-		if r+c.Width+c.Delta > t {
-			return p.Value
-		}
-		p = c
-	}
-	return p.Value
-}
-
-func (s *stream) compress() {
-	if len(s.l) < 2 {
-		return
-	}
-	x := s.l[len(s.l)-1]
-	xi := len(s.l) - 1
-	r := s.n - 1 - x.Width
-
-	for i := len(s.l) - 2; i >= 0; i-- {
-		c := s.l[i]
-		if c.Width+x.Width+x.Delta <= s.ƒ(s, r) {
-			x.Width += c.Width
-			s.l[xi] = x
-			// Remove element at i.
-			copy(s.l[i:], s.l[i+1:])
-			s.l = s.l[:len(s.l)-1]
-			xi -= 1
-		} else {
-			x = c
-			xi = i
-		}
-		r -= c.Width
-	}
-}
-
-func (s *stream) samples() Samples {
-	samples := make(Samples, len(s.l))
-	copy(samples, s.l)
-	return samples
-}
--- a/vendor/github.com/bmatcuk/doublestar/v2/.gitignore
+++ b/vendor/github.com/bmatcuk/doublestar/v2/.gitignore
@@ -1,32 +0,0 @@
-# vi
-*~
-*.swp
-*.swo
-
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-*.o
-*.a
-*.so
-
-# Folders
-_obj
-_test
-
-# Architecture specific extensions/prefixes
-*.[568vq]
-[568vq].out
-
-*.cgo1.go
-*.cgo2.c
-_cgo_defun.c
-_cgo_gotypes.go
-_cgo_export.*
-
-_testmain.go
-
-*.exe
-*.test
-*.prof
-
-# test directory
-test/
--- a/vendor/github.com/bmatcuk/doublestar/v2/.travis.yml
+++ b/vendor/github.com/bmatcuk/doublestar/v2/.travis.yml
@@ -1,20 +0,0 @@
-language: go
-
-go:
-  - 1.12
-  - 1.13
-  - 1.14
-
-os:
-  - linux
-  - windows
-
-before_install:
-  - go get -t -v ./...
-
-script:
-  - go test -race -coverprofile=coverage.txt -covermode=atomic
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-
--- a/vendor/github.com/bmatcuk/doublestar/v2/LICENSE
+++ b/vendor/github.com/bmatcuk/doublestar/v2/LICENSE
@@ -1,22 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2014 Bob Matcuk
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
--- a/vendor/github.com/bmatcuk/doublestar/v2/README.md
+++ b/vendor/github.com/bmatcuk/doublestar/v2/README.md
@@ -1,143 +0,0 @@
-# doublestar
-
-Path pattern matching and globbing supporting `doublestar` (`**`) patterns.
-
-[![PkgGoDev](https://pkg.go.dev/badge/github.com/bmatcuk/doublestar)](https://pkg.go.dev/github.com/bmatcuk/doublestar/v2)
-[![Release](https://img.shields.io/github/release/bmatcuk/doublestar.svg?branch=master)](https://github.com/bmatcuk/doublestar/releases)
-[![Build Status](https://travis-ci.org/bmatcuk/doublestar.svg?branch=master)](https://travis-ci.org/bmatcuk/doublestar)
-[![codecov.io](https://img.shields.io/codecov/c/github/bmatcuk/doublestar.svg?branch=master)](https://codecov.io/github/bmatcuk/doublestar?branch=master)
-
-## About
-
-#### [Updating from v1 to v2?](UPGRADING.md)
-
-**doublestar** is a [golang](http://golang.org/) implementation of path pattern
-matching and globbing with support for "doublestar" (aka globstar: `**`)
-patterns.
-
-doublestar patterns match files and directories recursively. For example, if
-you had the following directory structure:
-
-```bash
-grandparent
-`-- parent
-    |-- child1
-    `-- child2
-```
-
-You could find the children with patterns such as: `**/child*`,
-`grandparent/**/child?`, `**/parent/*`, or even just `**` by itself (which will
-return all files and directories recursively).
-
-Bash's globstar is doublestar's inspiration and, as such, works similarly.
-Note that the doublestar must appear as a path component by itself. A pattern
-such as `/path**` is invalid and will be treated the same as `/path*`, but
-`/path*/**` should achieve the desired result. Additionally, `/path/**` will
-match all directories and files under the path directory, but `/path/**/` will
-only match directories.
-
-## Installation
-
-**doublestar** can be installed via `go get`:
-
-```bash
-go get github.com/bmatcuk/doublestar/v2
-```
-
-To use it in your code, you must import it:
-
-```go
-import "github.com/bmatcuk/doublestar/v2"
-```
-
-## Usage
-
-### Match
-
-```go
-func Match(pattern, name string) (bool, error)
-```
-
-Match returns true if `name` matches the file name `pattern`
-([see below](#patterns)). `name` and `pattern` are split on forward slash (`/`)
-characters and may be relative or absolute.
-
-Note: `Match()` is meant to be a drop-in replacement for `path.Match()`. As
-such, it always uses `/` as the path separator. If you are writing code that
-will run on systems where `/` is not the path separator (such as Windows), you
-want to use `PathMatch()` (below) instead.
-
-
-### PathMatch
-
-```go
-func PathMatch(pattern, name string) (bool, error)
-```
-
-PathMatch returns true if `name` matches the file name `pattern`
-([see below](#patterns)). The difference between Match and PathMatch is that
-PathMatch will automatically use your system's path separator to split `name`
-and `pattern`.
-
-`PathMatch()` is meant to be a drop-in replacement for `filepath.Match()`.
-
-### Glob
-
-```go
-func Glob(pattern string) ([]string, error)
-```
-
-Glob finds all files and directories in the filesystem that match `pattern`
-([see below](#patterns)). `pattern` may be relative (to the current working
-directory), or absolute.
-
-`Glob()` is meant to be a drop-in replacement for `filepath.Glob()`.
-
-### Patterns
-
-**doublestar** supports the following special terms in the patterns:
-
-Special Terms | Meaning
------------- | -------
-`*`           | matches any sequence of non-path-separators
-`**`          | matches any sequence of characters, including path separators
-`?`           | matches any single non-path-separator character
-`[class]`     | matches any single non-path-separator character against a class of characters ([see below](#character-classes))
-`{alt1,...}`  | matches a sequence of characters if one of the comma-separated alternatives matches
-
-Any character with a special meaning can be escaped with a backslash (`\`).
-
-#### Character Classes
-
-Character classes support the following:
-
-Class      | Meaning
---------- | -------
-`[abc]`    | matches any single character within the set
-`[a-z]`    | matches any single character in the range
-`[^class]` | matches any single character which does *not* match the class
-
-### Abstracting the `os` package
-
-**doublestar** by default uses the `Open`, `Stat`, and `Lstat`, functions and
-`PathSeparator` value from the standard library's `os` package. To abstract
-this, for example to be able to perform tests of Windows paths on Linux, or to
-interoperate with your own filesystem code, it includes the functions `GlobOS`
-and `PathMatchOS` which are identical to `Glob` and `PathMatch` except that they
-operate on an `OS` interface:
-
-```go
-type OS interface {
-    Lstat(name string) (os.FileInfo, error)
-    Open(name string) (*os.File, error)
-    PathSeparator() rune
-    Stat(name string) (os.FileInfo, error)
-}
-```
-
-`StandardOS` is a value that implements this interface by calling functions in
-the standard library's `os` package.
-
-## License
-
-[MIT License](LICENSE)
--- a/vendor/github.com/bmatcuk/doublestar/v2/UPGRADING.md
+++ b/vendor/github.com/bmatcuk/doublestar/v2/UPGRADING.md
@@ -1,13 +0,0 @@
-# Upgrading from v1 to v2
-
-The change from v1 to v2 was fairly minor: the return type of the `Open` method
-on the `OS` interface was changed from `*os.File` to `File`, a new interface
-exported by doublestar. The new `File` interface only defines the functionality
-doublestar actually needs (`io.Closer` and `Readdir`), making it easier to use
-doublestar with [go-billy](https://github.com/src-d/go-billy),
-[afero](https://github.com/spf13/afero), or something similar. If you were
-using this functionality, updating should be as easy as updating `Open's`
-return type, since `os.File` already implements `doublestar.File`.
-
-If you weren't using this functionality, updating should be as easy as changing
-your dependencies to point to v2.
--- a/vendor/github.com/bmatcuk/doublestar/v2/doublestar.go
+++ b/vendor/github.com/bmatcuk/doublestar/v2/doublestar.go
@@ -1,630 +0,0 @@
-package doublestar
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"path"
-	"path/filepath"
-	"sort"
-	"strings"
-	"unicode/utf8"
-)
-
-// File defines a subset of file operations
-type File interface {
-	io.Closer
-	Readdir(count int) ([]os.FileInfo, error)
-}
-
-// An OS abstracts functions in the standard library's os package.
-type OS interface {
-	Lstat(name string) (os.FileInfo, error)
-	Open(name string) (File, error)
-	PathSeparator() rune
-	Stat(name string) (os.FileInfo, error)
-}
-
-// A standardOS implements OS by calling functions in the standard library's os
-// package.
-type standardOS struct{}
-
-func (standardOS) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }
-func (standardOS) Open(name string) (File, error)         { return os.Open(name) }
-func (standardOS) PathSeparator() rune                    { return os.PathSeparator }
-func (standardOS) Stat(name string) (os.FileInfo, error)  { return os.Stat(name) }
-
-// StandardOS is a value that implements the OS interface by calling functions
-// in the standard libray's os package.
-var StandardOS OS = standardOS{}
-
-// ErrBadPattern indicates a pattern was malformed.
-var ErrBadPattern = path.ErrBadPattern
-
-// Find the first index of a rune in a string,
-// ignoring any times the rune is escaped using "\".
-func indexRuneWithEscaping(s string, r rune) int {
-	end := strings.IndexRune(s, r)
-	if end == -1 || r == '\\' {
-		return end
-	}
-	if end > 0 && s[end-1] == '\\' {
-		start := end + utf8.RuneLen(r)
-		end = indexRuneWithEscaping(s[start:], r)
-		if end != -1 {
-			end += start
-		}
-	}
-	return end
-}
-
-// Find the last index of a rune in a string,
-// ignoring any times the rune is escaped using "\".
-func lastIndexRuneWithEscaping(s string, r rune) int {
-	end := strings.LastIndex(s, string(r))
-	if end == -1 {
-		return -1
-	}
-	if end > 0 && s[end-1] == '\\' {
-		end = lastIndexRuneWithEscaping(s[:end-1], r)
-	}
-	return end
-}
-
-// Find the index of the first instance of one of the unicode characters in
-// chars, ignoring any times those characters are escaped using "\".
-func indexAnyWithEscaping(s, chars string) int {
-	end := strings.IndexAny(s, chars)
-	if end == -1 {
-		return -1
-	}
-	if end > 0 && s[end-1] == '\\' {
-		_, adj := utf8.DecodeRuneInString(s[end:])
-		start := end + adj
-		end = indexAnyWithEscaping(s[start:], chars)
-		if end != -1 {
-			end += start
-		}
-	}
-	return end
-}
-
-// Split a set of alternatives such as {alt1,alt2,...} and returns the index of
-// the rune after the closing curly brace. Respects nested alternatives and
-// escaped runes.
-func splitAlternatives(s string) (ret []string, idx int) {
-	ret = make([]string, 0, 2)
-	idx = 0
-	slen := len(s)
-	braceCnt := 1
-	esc := false
-	start := 0
-	for braceCnt > 0 {
-		if idx >= slen {
-			return nil, -1
-		}
-
-		sRune, adj := utf8.DecodeRuneInString(s[idx:])
-		if esc {
-			esc = false
-		} else if sRune == '\\' {
-			esc = true
-		} else if sRune == '{' {
-			braceCnt++
-		} else if sRune == '}' {
-			braceCnt--
-		} else if sRune == ',' && braceCnt == 1 {
-			ret = append(ret, s[start:idx])
-			start = idx + adj
-		}
-
-		idx += adj
-	}
-	ret = append(ret, s[start:idx-1])
-	return
-}
-
-// Returns true if the pattern is "zero length", meaning
-// it could match zero or more characters.
-func isZeroLengthPattern(pattern string) (ret bool, err error) {
-	// * can match zero
-	if pattern == "" || pattern == "*" || pattern == "**" {
-		return true, nil
-	}
-
-	// an alternative with zero length can match zero, for example {,x} - the
-	// first alternative has zero length
-	r, adj := utf8.DecodeRuneInString(pattern)
-	if r == '{' {
-		options, endOptions := splitAlternatives(pattern[adj:])
-		if endOptions == -1 {
-			return false, ErrBadPattern
-		}
-		if ret, err = isZeroLengthPattern(pattern[adj+endOptions:]); !ret || err != nil {
-			return
-		}
-		for _, o := range options {
-			if ret, err = isZeroLengthPattern(o); ret || err != nil {
-				return
-			}
-		}
-	}
-
-	return false, nil
-}
-
-// Match returns true if name matches the shell file name pattern.
-// The pattern syntax is:
-//
-//  pattern:
-//    { term }
-//  term:
-//    '*'         matches any sequence of non-path-separators
-//    '**'        matches any sequence of characters, including
-//                path separators.
-//    '?'         matches any single non-path-separator character
-//    '[' [ '^' ] { character-range } ']'
-//          character class (must be non-empty)
-//    '{' { term } [ ',' { term } ... ] '}'
-//    c           matches character c (c != '*', '?', '\\', '[')
-//    '\\' c      matches character c
-//
-//  character-range:
-//    c           matches character c (c != '\\', '-', ']')
-//    '\\' c      matches character c
-//    lo '-' hi   matches character c for lo <= c <= hi
-//
-// Match requires pattern to match all of name, not just a substring.
-// The path-separator defaults to the '/' character. The only possible
-// returned error is ErrBadPattern, when pattern is malformed.
-//
-// Note: this is meant as a drop-in replacement for path.Match() which
-// always uses '/' as the path separator. If you want to support systems
-// which use a different path separator (such as Windows), what you want
-// is the PathMatch() function below.
-//
-func Match(pattern, name string) (bool, error) {
-	return doMatching(pattern, name, '/')
-}
-
-// PathMatch is like Match except that it uses your system's path separator.
-// For most systems, this will be '/'. However, for Windows, it would be '\\'.
-// Note that for systems where the path separator is '\\', escaping is
-// disabled.
-//
-// Note: this is meant as a drop-in replacement for filepath.Match().
-//
-func PathMatch(pattern, name string) (bool, error) {
-	return PathMatchOS(StandardOS, pattern, name)
-}
-
-// PathMatchOS is like PathMatch except that it uses vos's path separator.
-func PathMatchOS(vos OS, pattern, name string) (bool, error) {
-	pattern = filepath.ToSlash(pattern)
-	return doMatching(pattern, name, vos.PathSeparator())
-}
-
-func doMatching(pattern, name string, separator rune) (matched bool, err error) {
-	// check for some base-cases
-	patternLen, nameLen := len(pattern), len(name)
-	if patternLen == 0 {
-		return nameLen == 0, nil
-	} else if nameLen == 0 {
-		return isZeroLengthPattern(pattern)
-	}
-
-	separatorAdj := utf8.RuneLen(separator)
-
-	patIdx := indexRuneWithEscaping(pattern, '/')
-	lastPat := patIdx == -1
-	if lastPat {
-		patIdx = len(pattern)
-	}
-	if pattern[:patIdx] == "**" {
-		// if our last pattern component is a doublestar, we're done -
-		// doublestar will match any remaining name components, if any.
-		if lastPat {
-			return true, nil
-		}
-
-		// otherwise, try matching remaining components
-		nameIdx := 0
-		patIdx += 1
-		for {
-			if m, _ := doMatching(pattern[patIdx:], name[nameIdx:], separator); m {
-				return true, nil
-			}
-
-			nextNameIdx := 0
-			if nextNameIdx = indexRuneWithEscaping(name[nameIdx:], separator); nextNameIdx == -1 {
-				break
-			}
-			nameIdx += separatorAdj + nextNameIdx
-		}
-		return false, nil
-	}
-
-	nameIdx := indexRuneWithEscaping(name, separator)
-	lastName := nameIdx == -1
-	if lastName {
-		nameIdx = nameLen
-	}
-
-	var matches []string
-	matches, err = matchComponent(pattern, name[:nameIdx])
-	if matches == nil || err != nil {
-		return
-	}
-	if len(matches) == 0 && lastName {
-		return true, nil
-	}
-
-	if !lastName {
-		nameIdx += separatorAdj
-		for _, alt := range matches {
-			matched, err = doMatching(alt, name[nameIdx:], separator)
-			if matched || err != nil {
-				return
-			}
-		}
-	}
-
-	return false, nil
-}
-
-// Glob returns the names of all files matching pattern or nil
-// if there is no matching file. The syntax of pattern is the same
-// as in Match. The pattern may describe hierarchical names such as
-// /usr/*/bin/ed (assuming the Separator is '/').
-//
-// Glob ignores file system errors such as I/O errors reading directories.
-// The only possible returned error is ErrBadPattern, when pattern
-// is malformed.
-//
-// Your system path separator is automatically used. This means on
-// systems where the separator is '\\' (Windows), escaping will be
-// disabled.
-//
-// Note: this is meant as a drop-in replacement for filepath.Glob().
-//
-func Glob(pattern string) (matches []string, err error) {
-	return GlobOS(StandardOS, pattern)
-}
-
-// GlobOS is like Glob except that it operates on vos.
-func GlobOS(vos OS, pattern string) (matches []string, err error) {
-	if len(pattern) == 0 {
-		return nil, nil
-	}
-
-	// if the pattern starts with alternatives, we need to handle that here - the
-	// alternatives may be a mix of relative and absolute
-	if pattern[0] == '{' {
-		options, endOptions := splitAlternatives(pattern[1:])
-		if endOptions == -1 {
-			return nil, ErrBadPattern
-		}
-		for _, o := range options {
-			m, e := Glob(o + pattern[endOptions+1:])
-			if e != nil {
-				return nil, e
-			}
-			matches = append(matches, m...)
-		}
-		return matches, nil
-	}
-
-	// If the pattern is relative or absolute and we're on a non-Windows machine,
-	// volumeName will be an empty string. If it is absolute and we're on a
-	// Windows machine, volumeName will be a drive letter ("C:") for filesystem
-	// paths or \\<server>\<share> for UNC paths.
-	isAbs := filepath.IsAbs(pattern) || pattern[0] == '\\' || pattern[0] == '/'
-	volumeName := filepath.VolumeName(pattern)
-	isWindowsUNC := strings.HasPrefix(volumeName, `\\`)
-	if isWindowsUNC || isAbs {
-		startIdx := len(volumeName) + 1
-		return doGlob(vos, fmt.Sprintf("%s%s", volumeName, string(vos.PathSeparator())), filepath.ToSlash(pattern[startIdx:]), matches)
-	}
-
-	// otherwise, it's a relative pattern
-	return doGlob(vos, ".", filepath.ToSlash(pattern), matches)
-}
-
-// Perform a glob
-func doGlob(vos OS, basedir, pattern string, matches []string) (m []string, e error) {
-	m = matches
-	e = nil
-
-	// if the pattern starts with any path components that aren't globbed (ie,
-	// `path/to/glob*`), we can skip over the un-globbed components (`path/to` in
-	// our example).
-	globIdx := indexAnyWithEscaping(pattern, "*?[{\\")
-	if globIdx > 0 {
-		globIdx = lastIndexRuneWithEscaping(pattern[:globIdx], '/')
-	} else if globIdx == -1 {
-		globIdx = lastIndexRuneWithEscaping(pattern, '/')
-	}
-	if globIdx > 0 {
-		basedir = filepath.Join(basedir, pattern[:globIdx])
-		pattern = pattern[globIdx+1:]
-	}
-
-	// Lstat will return an error if the file/directory doesn't exist
-	fi, err := vos.Lstat(basedir)
-	if err != nil {
-		return
-	}
-
-	// if the pattern is empty, we've found a match
-	if len(pattern) == 0 {
-		m = append(m, basedir)
-		return
-	}
-
-	// otherwise, we need to check each item in the directory...
-
-	// first, if basedir is a symlink, follow it...
-	if (fi.Mode() & os.ModeSymlink) != 0 {
-		fi, err = vos.Stat(basedir)
-		if err != nil {
-			return
-		}
-	}
-
-	// confirm it's a directory...
-	if !fi.IsDir() {
-		return
-	}
-
-	files, err := filesInDir(vos, basedir)
-	if err != nil {
-		return
-	}
-
-	sort.Slice(files, func(i, j int) bool { return files[i].Name() < files[j].Name() })
-
-	slashIdx := indexRuneWithEscaping(pattern, '/')
-	lastComponent := slashIdx == -1
-	if lastComponent {
-		slashIdx = len(pattern)
-	}
-	if pattern[:slashIdx] == "**" {
-		// if the current component is a doublestar, we'll try depth-first
-		for _, file := range files {
-			// if symlink, we may want to follow
-			if (file.Mode() & os.ModeSymlink) != 0 {
-				file, err = vos.Stat(filepath.Join(basedir, file.Name()))
-				if err != nil {
-					continue
-				}
-			}
-
-			if file.IsDir() {
-				// recurse into directories
-				if lastComponent {
-					m = append(m, filepath.Join(basedir, file.Name()))
-				}
-				m, e = doGlob(vos, filepath.Join(basedir, file.Name()), pattern, m)
-			} else if lastComponent {
-				// if the pattern's last component is a doublestar, we match filenames, too
-				m = append(m, filepath.Join(basedir, file.Name()))
-			}
-		}
-		if lastComponent {
-			return // we're done
-		}
-
-		pattern = pattern[slashIdx+1:]
-	}
-
-	// check items in current directory and recurse
-	var match []string
-	for _, file := range files {
-		match, e = matchComponent(pattern, file.Name())
-		if e != nil {
-			return
-		}
-		if match != nil {
-			if len(match) == 0 {
-				m = append(m, filepath.Join(basedir, file.Name()))
-			} else {
-				for _, alt := range match {
-					m, e = doGlob(vos, filepath.Join(basedir, file.Name()), alt, m)
-				}
-			}
-		}
-	}
-	return
-}
-
-func filesInDir(vos OS, dirPath string) (files []os.FileInfo, e error) {
-	dir, err := vos.Open(dirPath)
-	if err != nil {
-		return nil, nil
-	}
-	defer func() {
-		if err := dir.Close(); e == nil {
-			e = err
-		}
-	}()
-
-	files, err = dir.Readdir(-1)
-	if err != nil {
-		return nil, nil
-	}
-
-	return
-}
-
-// Attempt to match a single path component with a pattern. Note that the
-// pattern may include multiple components but that the "name" is just a single
-// path component. The return value is a slice of patterns that should be
-// checked against subsequent path components or nil, indicating that the
-// pattern does not match this path. It is assumed that pattern components are
-// separated by '/'
-func matchComponent(pattern, name string) ([]string, error) {
-	// check for matches one rune at a time
-	patternLen, nameLen := len(pattern), len(name)
-	patIdx, nameIdx := 0, 0
-	for patIdx < patternLen && nameIdx < nameLen {
-		patRune, patAdj := utf8.DecodeRuneInString(pattern[patIdx:])
-		nameRune, nameAdj := utf8.DecodeRuneInString(name[nameIdx:])
-		if patRune == '/' {
-			patIdx++
-			break
-		} else if patRune == '\\' {
-			// handle escaped runes, only if separator isn't '\\'
-			patIdx += patAdj
-			patRune, patAdj = utf8.DecodeRuneInString(pattern[patIdx:])
-			if patRune == utf8.RuneError {
-				return nil, ErrBadPattern
-			} else if patRune == nameRune {
-				patIdx += patAdj
-				nameIdx += nameAdj
-			} else {
-				return nil, nil
-			}
-		} else if patRune == '*' {
-			// handle stars - a star at the end of the pattern or before a separator
-			// will always match the rest of the path component
-			if patIdx += patAdj; patIdx >= patternLen {
-				return []string{}, nil
-			}
-			if patRune, patAdj = utf8.DecodeRuneInString(pattern[patIdx:]); patRune == '/' {
-				return []string{pattern[patIdx+patAdj:]}, nil
-			}
-
-			// check if we can make any matches
-			for ; nameIdx < nameLen; nameIdx += nameAdj {
-				if m, e := matchComponent(pattern[patIdx:], name[nameIdx:]); m != nil || e != nil {
-					return m, e
-				}
-				_, nameAdj = utf8.DecodeRuneInString(name[nameIdx:])
-			}
-			return nil, nil
-		} else if patRune == '[' {
-			// handle character sets
-			patIdx += patAdj
-			endClass := indexRuneWithEscaping(pattern[patIdx:], ']')
-			if endClass == -1 {
-				return nil, ErrBadPattern
-			}
-			endClass += patIdx
-			classRunes := []rune(pattern[patIdx:endClass])
-			classRunesLen := len(classRunes)
-			if classRunesLen > 0 {
-				classIdx := 0
-				matchClass := false
-				if classRunes[0] == '^' {
-					classIdx++
-				}
-				for classIdx < classRunesLen {
-					low := classRunes[classIdx]
-					if low == '-' {
-						return nil, ErrBadPattern
-					}
-					classIdx++
-					if low == '\\' {
-						if classIdx < classRunesLen {
-							low = classRunes[classIdx]
-							classIdx++
-						} else {
-							return nil, ErrBadPattern
-						}
-					}
-					high := low
-					if classIdx < classRunesLen && classRunes[classIdx] == '-' {
-						// we have a range of runes
-						if classIdx++; classIdx >= classRunesLen {
-							return nil, ErrBadPattern
-						}
-						high = classRunes[classIdx]
-						if high == '-' {
-							return nil, ErrBadPattern
-						}
-						classIdx++
-						if high == '\\' {
-							if classIdx < classRunesLen {
-								high = classRunes[classIdx]
-								classIdx++
-							} else {
-								return nil, ErrBadPattern
-							}
-						}
-					}
-					if low <= nameRune && nameRune <= high {
-						matchClass = true
-					}
-				}
-				if matchClass == (classRunes[0] == '^') {
-					return nil, nil
-				}
-			} else {
-				return nil, ErrBadPattern
-			}
-			patIdx = endClass + 1
-			nameIdx += nameAdj
-		} else if patRune == '{' {
-			// handle alternatives such as {alt1,alt2,...}
-			patIdx += patAdj
-			options, endOptions := splitAlternatives(pattern[patIdx:])
-			if endOptions == -1 {
-				return nil, ErrBadPattern
-			}
-			patIdx += endOptions
-
-			results := make([][]string, 0, len(options))
-			totalResults := 0
-			for _, o := range options {
-				m, e := matchComponent(o+pattern[patIdx:], name[nameIdx:])
-				if e != nil {
-					return nil, e
-				}
-				if m != nil {
-					results = append(results, m)
-					totalResults += len(m)
-				}
-			}
-			if len(results) > 0 {
-				lst := make([]string, 0, totalResults)
-				for _, m := range results {
-					lst = append(lst, m...)
-				}
-				return lst, nil
-			}
-
-			return nil, nil
-		} else if patRune == '?' || patRune == nameRune {
-			// handle single-rune wildcard
-			patIdx += patAdj
-			nameIdx += nameAdj
-		} else {
-			return nil, nil
-		}
-	}
-	if nameIdx >= nameLen {
-		if patIdx >= patternLen {
-			return []string{}, nil
-		}
-
-		pattern = pattern[patIdx:]
-		slashIdx := indexRuneWithEscaping(pattern, '/')
-		testPattern := pattern
-		if slashIdx >= 0 {
-			testPattern = pattern[:slashIdx]
-		}
-
-		zeroLength, err := isZeroLengthPattern(testPattern)
-		if err != nil {
-			return nil, err
-		}
-		if zeroLength {
-			if slashIdx == -1 {
-				return []string{}, nil
-			} else {
-				return []string{pattern[slashIdx+1:]}, nil
-			}
-		}
-	}
-	return nil, nil
-}
--- a/vendor/github.com/bmatcuk/doublestar/v2/go.mod
+++ b/vendor/github.com/bmatcuk/doublestar/v2/go.mod
@@ -1,3 +0,0 @@
-module github.com/bmatcuk/doublestar/v2
-
-go 1.12
--- a/vendor/github.com/cespare/xxhash/v2/.travis.yml
+++ b/vendor/github.com/cespare/xxhash/v2/.travis.yml
@@ -1,8 +0,0 @@
-language: go
-go:
-  - "1.x"
-  - master
-env:
-  - TAGS=""
-  - TAGS="-tags purego"
-script: go test $TAGS -v ./...
--- a/vendor/github.com/cespare/xxhash/v2/LICENSE.txt
+++ b/vendor/github.com/cespare/xxhash/v2/LICENSE.txt
@@ -1,22 +0,0 @@
-Copyright (c) 2016 Caleb Spare
-
-MIT License
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/vendor/github.com/cespare/xxhash/v2/README.md
+++ b/vendor/github.com/cespare/xxhash/v2/README.md
@@ -1,67 +0,0 @@
-# xxhash
-
-[![GoDoc](https://godoc.org/github.com/cespare/xxhash?status.svg)](https://godoc.org/github.com/cespare/xxhash)
-[![Build Status](https://travis-ci.org/cespare/xxhash.svg?branch=master)](https://travis-ci.org/cespare/xxhash)
-
-xxhash is a Go implementation of the 64-bit
-[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
-high-quality hashing algorithm that is much faster than anything in the Go
-standard library.
-
-This package provides a straightforward API:
-
-```
-func Sum64(b []byte) uint64
-func Sum64String(s string) uint64
-type Digest struct{ ... }
-    func New() *Digest
-```
-
-The `Digest` type implements hash.Hash64. Its key methods are:
-
-```
-func (*Digest) Write([]byte) (int, error)
-func (*Digest) WriteString(string) (int, error)
-func (*Digest) Sum64() uint64
-```
-
-This implementation provides a fast pure-Go implementation and an even faster
-assembly implementation for amd64.
-
-## Compatibility
-
-This package is in a module and the latest code is in version 2 of the module.
-You need a version of Go with at least "minimal module compatibility" to use
-github.com/cespare/xxhash/v2:
-
-* 1.9.7+ for Go 1.9
-* 1.10.3+ for Go 1.10
-* Go 1.11 or later
-
-I recommend using the latest release of Go.
-
-## Benchmarks
-
-Here are some quick benchmarks comparing the pure-Go and assembly
-implementations of Sum64.
-
-| input size | purego | asm |
-| --- | --- | --- |
-| 5 B   |  979.66 MB/s |  1291.17 MB/s  |
-| 100 B | 7475.26 MB/s | 7973.40 MB/s  |
-| 4 KB  | 17573.46 MB/s | 17602.65 MB/s |
-| 10 MB | 17131.46 MB/s | 17142.16 MB/s |
-
-These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using
-the following commands under Go 1.11.2:
-
-```
-$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes'
-$ go test -benchtime 10s -bench '/xxhash,direct,bytes'
-```
-
-## Projects using this package
-
- [InfluxDB](https://github.com/influxdata/influxdb)
- [Prometheus](https://github.com/prometheus/prometheus)
- [FreeCache](https://github.com/coocood/freecache)
--- a/vendor/github.com/cespare/xxhash/v2/go.mod
+++ b/vendor/github.com/cespare/xxhash/v2/go.mod
@@ -1,3 +0,0 @@
-module github.com/cespare/xxhash/v2
-
-go 1.11
--- a/vendor/github.com/cespare/xxhash/v2/go.sum
+++ b/vendor/github.com/cespare/xxhash/v2/go.sum
--- a/vendor/github.com/cespare/xxhash/v2/xxhash.go
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash.go
@@ -1,236 +0,0 @@
-// Package xxhash implements the 64-bit variant of xxHash (XXH64) as described
-// at http://cyan4973.github.io/xxHash/.
-package xxhash
-
-import (
-	"encoding/binary"
-	"errors"
-	"math/bits"
-)
-
-const (
-	prime1 uint64 = 11400714785074694791
-	prime2 uint64 = 14029467366897019727
-	prime3 uint64 = 1609587929392839161
-	prime4 uint64 = 9650029242287828579
-	prime5 uint64 = 2870177450012600261
-)
-
-// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where
-// possible in the Go code is worth a small (but measurable) performance boost
-// by avoiding some MOVQs. Vars are needed for the asm and also are useful for
-// convenience in the Go code in a few places where we need to intentionally
-// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the
-// result overflows a uint64).
-var (
-	prime1v = prime1
-	prime2v = prime2
-	prime3v = prime3
-	prime4v = prime4
-	prime5v = prime5
-)
-
-// Digest implements hash.Hash64.
-type Digest struct {
-	v1    uint64
-	v2    uint64
-	v3    uint64
-	v4    uint64
-	total uint64
-	mem   [32]byte
-	n     int // how much of mem is used
-}
-
-// New creates a new Digest that computes the 64-bit xxHash algorithm.
-func New() *Digest {
-	var d Digest
-	d.Reset()
-	return &d
-}
-
-// Reset clears the Digest's state so that it can be reused.
-func (d *Digest) Reset() {
-	d.v1 = prime1v + prime2
-	d.v2 = prime2
-	d.v3 = 0
-	d.v4 = -prime1v
-	d.total = 0
-	d.n = 0
-}
-
-// Size always returns 8 bytes.
-func (d *Digest) Size() int { return 8 }
-
-// BlockSize always returns 32 bytes.
-func (d *Digest) BlockSize() int { return 32 }
-
-// Write adds more data to d. It always returns len(b), nil.
-func (d *Digest) Write(b []byte) (n int, err error) {
-	n = len(b)
-	d.total += uint64(n)
-
-	if d.n+n < 32 {
-		// This new data doesn't even fill the current block.
-		copy(d.mem[d.n:], b)
-		d.n += n
-		return
-	}
-
-	if d.n > 0 {
-		// Finish off the partial block.
-		copy(d.mem[d.n:], b)
-		d.v1 = round(d.v1, u64(d.mem[0:8]))
-		d.v2 = round(d.v2, u64(d.mem[8:16]))
-		d.v3 = round(d.v3, u64(d.mem[16:24]))
-		d.v4 = round(d.v4, u64(d.mem[24:32]))
-		b = b[32-d.n:]
-		d.n = 0
-	}
-
-	if len(b) >= 32 {
-		// One or more full blocks left.
-		nw := writeBlocks(d, b)
-		b = b[nw:]
-	}
-
-	// Store any remaining partial block.
-	copy(d.mem[:], b)
-	d.n = len(b)
-
-	return
-}
-
-// Sum appends the current hash to b and returns the resulting slice.
-func (d *Digest) Sum(b []byte) []byte {
-	s := d.Sum64()
-	return append(
-		b,
-		byte(s>>56),
-		byte(s>>48),
-		byte(s>>40),
-		byte(s>>32),
-		byte(s>>24),
-		byte(s>>16),
-		byte(s>>8),
-		byte(s),
-	)
-}
-
-// Sum64 returns the current hash.
-func (d *Digest) Sum64() uint64 {
-	var h uint64
-
-	if d.total >= 32 {
-		v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4
-		h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
-		h = mergeRound(h, v1)
-		h = mergeRound(h, v2)
-		h = mergeRound(h, v3)
-		h = mergeRound(h, v4)
-	} else {
-		h = d.v3 + prime5
-	}
-
-	h += d.total
-
-	i, end := 0, d.n
-	for ; i+8 <= end; i += 8 {
-		k1 := round(0, u64(d.mem[i:i+8]))
-		h ^= k1
-		h = rol27(h)*prime1 + prime4
-	}
-	if i+4 <= end {
-		h ^= uint64(u32(d.mem[i:i+4])) * prime1
-		h = rol23(h)*prime2 + prime3
-		i += 4
-	}
-	for i < end {
-		h ^= uint64(d.mem[i]) * prime5
-		h = rol11(h) * prime1
-		i++
-	}
-
-	h ^= h >> 33
-	h *= prime2
-	h ^= h >> 29
-	h *= prime3
-	h ^= h >> 32
-
-	return h
-}
-
-const (
-	magic         = "xxh\x06"
-	marshaledSize = len(magic) + 8*5 + 32
-)
-
-// MarshalBinary implements the encoding.BinaryMarshaler interface.
-func (d *Digest) MarshalBinary() ([]byte, error) {
-	b := make([]byte, 0, marshaledSize)
-	b = append(b, magic...)
-	b = appendUint64(b, d.v1)
-	b = appendUint64(b, d.v2)
-	b = appendUint64(b, d.v3)
-	b = appendUint64(b, d.v4)
-	b = appendUint64(b, d.total)
-	b = append(b, d.mem[:d.n]...)
-	b = b[:len(b)+len(d.mem)-d.n]
-	return b, nil
-}
-
-// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
-func (d *Digest) UnmarshalBinary(b []byte) error {
-	if len(b) < len(magic) || string(b[:len(magic)]) != magic {
-		return errors.New("xxhash: invalid hash state identifier")
-	}
-	if len(b) != marshaledSize {
-		return errors.New("xxhash: invalid hash state size")
-	}
-	b = b[len(magic):]
-	b, d.v1 = consumeUint64(b)
-	b, d.v2 = consumeUint64(b)
-	b, d.v3 = consumeUint64(b)
-	b, d.v4 = consumeUint64(b)
-	b, d.total = consumeUint64(b)
-	copy(d.mem[:], b)
-	b = b[len(d.mem):]
-	d.n = int(d.total % uint64(len(d.mem)))
-	return nil
-}
-
-func appendUint64(b []byte, x uint64) []byte {
-	var a [8]byte
-	binary.LittleEndian.PutUint64(a[:], x)
-	return append(b, a[:]...)
-}
-
-func consumeUint64(b []byte) ([]byte, uint64) {
-	x := u64(b)
-	return b[8:], x
-}
-
-func u64(b []byte) uint64 { return binary.LittleEndian.Uint64(b) }
-func u32(b []byte) uint32 { return binary.LittleEndian.Uint32(b) }
-
-func round(acc, input uint64) uint64 {
-	acc += input * prime2
-	acc = rol31(acc)
-	acc *= prime1
-	return acc
-}
-
-func mergeRound(acc, val uint64) uint64 {
-	val = round(0, val)
-	acc ^= val
-	acc = acc*prime1 + prime4
-	return acc
-}
-
-func rol1(x uint64) uint64  { return bits.RotateLeft64(x, 1) }
-func rol7(x uint64) uint64  { return bits.RotateLeft64(x, 7) }
-func rol11(x uint64) uint64 { return bits.RotateLeft64(x, 11) }
-func rol12(x uint64) uint64 { return bits.RotateLeft64(x, 12) }
-func rol18(x uint64) uint64 { return bits.RotateLeft64(x, 18) }
-func rol23(x uint64) uint64 { return bits.RotateLeft64(x, 23) }
-func rol27(x uint64) uint64 { return bits.RotateLeft64(x, 27) }
-func rol31(x uint64) uint64 { return bits.RotateLeft64(x, 31) }
--- a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go
@@ -1,13 +0,0 @@
-// +build !appengine
-// +build gc
-// +build !purego
-
-package xxhash
-
-// Sum64 computes the 64-bit xxHash digest of b.
-//
-//go:noescape
-func Sum64(b []byte) uint64
-
-//go:noescape
-func writeBlocks(d *Digest, b []byte) int
--- a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s
@@ -1,215 +0,0 @@
-// +build !appengine
-// +build gc
-// +build !purego
-
-#include "textflag.h"
-
-// Register allocation:
-// AX	h
-// CX	pointer to advance through b
-// DX	n
-// BX	loop end
-// R8	v1, k1
-// R9	v2
-// R10	v3
-// R11	v4
-// R12	tmp
-// R13	prime1v
-// R14	prime2v
-// R15	prime4v
-
-// round reads from and advances the buffer pointer in CX.
-// It assumes that R13 has prime1v and R14 has prime2v.
-#define round(r) \
-	MOVQ  (CX), R12 \
-	ADDQ  $8, CX    \
-	IMULQ R14, R12  \
-	ADDQ  R12, r    \
-	ROLQ  $31, r    \
-	IMULQ R13, r
-
-// mergeRound applies a merge round on the two registers acc and val.
-// It assumes that R13 has prime1v, R14 has prime2v, and R15 has prime4v.
-#define mergeRound(acc, val) \
-	IMULQ R14, val \
-	ROLQ  $31, val \
-	IMULQ R13, val \
-	XORQ  val, acc \
-	IMULQ R13, acc \
-	ADDQ  R15, acc
-
-// func Sum64(b []byte) uint64
-TEXT ·Sum64(SB), NOSPLIT, $0-32
-	// Load fixed primes.
-	MOVQ ·prime1v(SB), R13
-	MOVQ ·prime2v(SB), R14
-	MOVQ ·prime4v(SB), R15
-
-	// Load slice.
-	MOVQ b_base+0(FP), CX
-	MOVQ b_len+8(FP), DX
-	LEAQ (CX)(DX*1), BX
-
-	// The first loop limit will be len(b)-32.
-	SUBQ $32, BX
-
-	// Check whether we have at least one block.
-	CMPQ DX, $32
-	JLT  noBlocks
-
-	// Set up initial state (v1, v2, v3, v4).
-	MOVQ R13, R8
-	ADDQ R14, R8
-	MOVQ R14, R9
-	XORQ R10, R10
-	XORQ R11, R11
-	SUBQ R13, R11
-
-	// Loop until CX > BX.
-blockLoop:
-	round(R8)
-	round(R9)
-	round(R10)
-	round(R11)
-
-	CMPQ CX, BX
-	JLE  blockLoop
-
-	MOVQ R8, AX
-	ROLQ $1, AX
-	MOVQ R9, R12
-	ROLQ $7, R12
-	ADDQ R12, AX
-	MOVQ R10, R12
-	ROLQ $12, R12
-	ADDQ R12, AX
-	MOVQ R11, R12
-	ROLQ $18, R12
-	ADDQ R12, AX
-
-	mergeRound(AX, R8)
-	mergeRound(AX, R9)
-	mergeRound(AX, R10)
-	mergeRound(AX, R11)
-
-	JMP afterBlocks
-
-noBlocks:
-	MOVQ ·prime5v(SB), AX
-
-afterBlocks:
-	ADDQ DX, AX
-
-	// Right now BX has len(b)-32, and we want to loop until CX > len(b)-8.
-	ADDQ $24, BX
-
-	CMPQ CX, BX
-	JG   fourByte
-
-wordLoop:
-	// Calculate k1.
-	MOVQ  (CX), R8
-	ADDQ  $8, CX
-	IMULQ R14, R8
-	ROLQ  $31, R8
-	IMULQ R13, R8
-
-	XORQ  R8, AX
-	ROLQ  $27, AX
-	IMULQ R13, AX
-	ADDQ  R15, AX
-
-	CMPQ CX, BX
-	JLE  wordLoop
-
-fourByte:
-	ADDQ $4, BX
-	CMPQ CX, BX
-	JG   singles
-
-	MOVL  (CX), R8
-	ADDQ  $4, CX
-	IMULQ R13, R8
-	XORQ  R8, AX
-
-	ROLQ  $23, AX
-	IMULQ R14, AX
-	ADDQ  ·prime3v(SB), AX
-
-singles:
-	ADDQ $4, BX
-	CMPQ CX, BX
-	JGE  finalize
-
-singlesLoop:
-	MOVBQZX (CX), R12
-	ADDQ    $1, CX
-	IMULQ   ·prime5v(SB), R12
-	XORQ    R12, AX
-
-	ROLQ  $11, AX
-	IMULQ R13, AX
-
-	CMPQ CX, BX
-	JL   singlesLoop
-
-finalize:
-	MOVQ  AX, R12
-	SHRQ  $33, R12
-	XORQ  R12, AX
-	IMULQ R14, AX
-	MOVQ  AX, R12
-	SHRQ  $29, R12
-	XORQ  R12, AX
-	IMULQ ·prime3v(SB), AX
-	MOVQ  AX, R12
-	SHRQ  $32, R12
-	XORQ  R12, AX
-
-	MOVQ AX, ret+24(FP)
-	RET
-
-// writeBlocks uses the same registers as above except that it uses AX to store
-// the d pointer.
-
-// func writeBlocks(d *Digest, b []byte) int
-TEXT ·writeBlocks(SB), NOSPLIT, $0-40
-	// Load fixed primes needed for round.
-	MOVQ ·prime1v(SB), R13
-	MOVQ ·prime2v(SB), R14
-
-	// Load slice.
-	MOVQ b_base+8(FP), CX
-	MOVQ b_len+16(FP), DX
-	LEAQ (CX)(DX*1), BX
-	SUBQ $32, BX
-
-	// Load vN from d.
-	MOVQ d+0(FP), AX
-	MOVQ 0(AX), R8   // v1
-	MOVQ 8(AX), R9   // v2
-	MOVQ 16(AX), R10 // v3
-	MOVQ 24(AX), R11 // v4
-
-	// We don't need to check the loop condition here; this function is
-	// always called with at least one block of data to process.
-blockLoop:
-	round(R8)
-	round(R9)
-	round(R10)
-	round(R11)
-
-	CMPQ CX, BX
-	JLE  blockLoop
-
-	// Copy vN back to d.
-	MOVQ R8, 0(AX)
-	MOVQ R9, 8(AX)
-	MOVQ R10, 16(AX)
-	MOVQ R11, 24(AX)
-
-	// The number of bytes written is CX minus the old base pointer.
-	SUBQ b_base+8(FP), CX
-	MOVQ CX, ret+32(FP)
-
-	RET
--- a/vendor/github.com/cespare/xxhash/v2/xxhash_other.go
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_other.go
@@ -1,76 +0,0 @@
-// +build !amd64 appengine !gc purego
-
-package xxhash
-
-// Sum64 computes the 64-bit xxHash digest of b.
-func Sum64(b []byte) uint64 {
-	// A simpler version would be
-	//   d := New()
-	//   d.Write(b)
-	//   return d.Sum64()
-	// but this is faster, particularly for small inputs.
-
-	n := len(b)
-	var h uint64
-
-	if n >= 32 {
-		v1 := prime1v + prime2
-		v2 := prime2
-		v3 := uint64(0)
-		v4 := -prime1v
-		for len(b) >= 32 {
-			v1 = round(v1, u64(b[0:8:len(b)]))
-			v2 = round(v2, u64(b[8:16:len(b)]))
-			v3 = round(v3, u64(b[16:24:len(b)]))
-			v4 = round(v4, u64(b[24:32:len(b)]))
-			b = b[32:len(b):len(b)]
-		}
-		h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
-		h = mergeRound(h, v1)
-		h = mergeRound(h, v2)
-		h = mergeRound(h, v3)
-		h = mergeRound(h, v4)
-	} else {
-		h = prime5
-	}
-
-	h += uint64(n)
-
-	i, end := 0, len(b)
-	for ; i+8 <= end; i += 8 {
-		k1 := round(0, u64(b[i:i+8:len(b)]))
-		h ^= k1
-		h = rol27(h)*prime1 + prime4
-	}
-	if i+4 <= end {
-		h ^= uint64(u32(b[i:i+4:len(b)])) * prime1
-		h = rol23(h)*prime2 + prime3
-		i += 4
-	}
-	for ; i < end; i++ {
-		h ^= uint64(b[i]) * prime5
-		h = rol11(h) * prime1
-	}
-
-	h ^= h >> 33
-	h *= prime2
-	h ^= h >> 29
-	h *= prime3
-	h ^= h >> 32
-
-	return h
-}
-
-func writeBlocks(d *Digest, b []byte) int {
-	v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4
-	n := len(b)
-	for len(b) >= 32 {
-		v1 = round(v1, u64(b[0:8:len(b)]))
-		v2 = round(v2, u64(b[8:16:len(b)]))
-		v3 = round(v3, u64(b[16:24:len(b)]))
-		v4 = round(v4, u64(b[24:32:len(b)]))
-		b = b[32:len(b):len(b)]
-	}
-	d.v1, d.v2, d.v3, d.v4 = v1, v2, v3, v4
-	return n - len(b)
-}
--- a/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go
@@ -1,15 +0,0 @@
-// +build appengine
-
-// This file contains the safe implementations of otherwise unsafe-using code.
-
-package xxhash
-
-// Sum64String computes the 64-bit xxHash digest of s.
-func Sum64String(s string) uint64 {
-	return Sum64([]byte(s))
-}
-
-// WriteString adds more data to d. It always returns len(s), nil.
-func (d *Digest) WriteString(s string) (n int, err error) {
-	return d.Write([]byte(s))
-}
--- a/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go
@@ -1,46 +0,0 @@
-// +build !appengine
-
-// This file encapsulates usage of unsafe.
-// xxhash_safe.go contains the safe implementations.
-
-package xxhash
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-// Notes:
-//
-// See https://groups.google.com/d/msg/golang-nuts/dcjzJy-bSpw/tcZYBzQqAQAJ
-// for some discussion about these unsafe conversions.
-//
-// In the future it's possible that compiler optimizations will make these
-// unsafe operations unnecessary: https://golang.org/issue/2205.
-//
-// Both of these wrapper functions still incur function call overhead since they
-// will not be inlined. We could write Go/asm copies of Sum64 and Digest.Write
-// for strings to squeeze out a bit more speed. Mid-stack inlining should
-// eventually fix this.
-
-// Sum64String computes the 64-bit xxHash digest of s.
-// It may be faster than Sum64([]byte(s)) by avoiding a copy.
-func Sum64String(s string) uint64 {
-	var b []byte
-	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
-	bh.Len = len(s)
-	bh.Cap = len(s)
-	return Sum64(b)
-}
-
-// WriteString adds more data to d. It always returns len(s), nil.
-// It may be faster than Write([]byte(s)) by avoiding a copy.
-func (d *Digest) WriteString(s string) (n int, err error) {
-	var b []byte
-	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
-	bh.Len = len(s)
-	bh.Cap = len(s)
-	return d.Write(b)
-}
--- a/vendor/github.com/davecgh/go-spew/LICENSE
+++ b/vendor/github.com/davecgh/go-spew/LICENSE
@@ -1,15 +0,0 @@
-ISC License
-
-Copyright (c) 2012-2016 Dave Collins <dave@davec.name>
-
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
--- a/vendor/github.com/davecgh/go-spew/spew/bypass.go
+++ b/vendor/github.com/davecgh/go-spew/spew/bypass.go
@@ -1,145 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is not running on Google App Engine, compiled by GopherJS, and
-// "-tags safe" is not added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// Go versions prior to 1.4 are disabled because they use a different layout
-// for interfaces which make the implementation of unsafeReflectValue more complex.
-// +build !js,!appengine,!safe,!disableunsafe,go1.4
-
-package spew
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = false
-
-	// ptrSize is the size of a pointer on the current arch.
-	ptrSize = unsafe.Sizeof((*byte)(nil))
-)
-
-type flag uintptr
-
-var (
-	// flagRO indicates whether the value field of a reflect.Value
-	// is read-only.
-	flagRO flag
-
-	// flagAddr indicates whether the address of the reflect.Value's
-	// value may be taken.
-	flagAddr flag
-)
-
-// flagKindMask holds the bits that make up the kind
-// part of the flags field. In all the supported versions,
-// it is in the lower 5 bits.
-const flagKindMask = flag(0x1f)
-
-// Different versions of Go have used different
-// bit layouts for the flags type. This table
-// records the known combinations.
-var okFlags = []struct {
-	ro, addr flag
-}{{
-	// From Go 1.4 to 1.5
-	ro:   1 << 5,
-	addr: 1 << 7,
-}, {
-	// Up to Go tip.
-	ro:   1<<5 | 1<<6,
-	addr: 1 << 8,
-}}
-
-var flagValOffset = func() uintptr {
-	field, ok := reflect.TypeOf(reflect.Value{}).FieldByName("flag")
-	if !ok {
-		panic("reflect.Value has no flag field")
-	}
-	return field.Offset
-}()
-
-// flagField returns a pointer to the flag field of a reflect.Value.
-func flagField(v *reflect.Value) *flag {
-	return (*flag)(unsafe.Pointer(uintptr(unsafe.Pointer(v)) + flagValOffset))
-}
-
-// unsafeReflectValue converts the passed reflect.Value into a one that bypasses
-// the typical safety restrictions preventing access to unaddressable and
-// unexported data.  It works by digging the raw pointer to the underlying
-// value out of the protected value and generating a new unprotected (unsafe)
-// reflect.Value to it.
-//
-// This allows us to check for implementations of the Stringer and error
-// interfaces to be used for pretty printing ordinarily unaddressable and
-// inaccessible values such as unexported struct fields.
-func unsafeReflectValue(v reflect.Value) reflect.Value {
-	if !v.IsValid() || (v.CanInterface() && v.CanAddr()) {
-		return v
-	}
-	flagFieldPtr := flagField(&v)
-	*flagFieldPtr &^= flagRO
-	*flagFieldPtr |= flagAddr
-	return v
-}
-
-// Sanity checks against future reflect package changes
-// to the type or semantics of the Value.flag field.
-func init() {
-	field, ok := reflect.TypeOf(reflect.Value{}).FieldByName("flag")
-	if !ok {
-		panic("reflect.Value has no flag field")
-	}
-	if field.Type.Kind() != reflect.TypeOf(flag(0)).Kind() {
-		panic("reflect.Value flag field has changed kind")
-	}
-	type t0 int
-	var t struct {
-		A t0
-		// t0 will have flagEmbedRO set.
-		t0
-		// a will have flagStickyRO set
-		a t0
-	}
-	vA := reflect.ValueOf(t).FieldByName("A")
-	va := reflect.ValueOf(t).FieldByName("a")
-	vt0 := reflect.ValueOf(t).FieldByName("t0")
-
-	// Infer flagRO from the difference between the flags
-	// for the (otherwise identical) fields in t.
-	flagPublic := *flagField(&vA)
-	flagWithRO := *flagField(&va) | *flagField(&vt0)
-	flagRO = flagPublic ^ flagWithRO
-
-	// Infer flagAddr from the difference between a value
-	// taken from a pointer and not.
-	vPtrA := reflect.ValueOf(&t).Elem().FieldByName("A")
-	flagNoPtr := *flagField(&vA)
-	flagPtr := *flagField(&vPtrA)
-	flagAddr = flagNoPtr ^ flagPtr
-
-	// Check that the inferred flags tally with one of the known versions.
-	for _, f := range okFlags {
-		if flagRO == f.ro && flagAddr == f.addr {
-			return
-		}
-	}
-	panic("reflect.Value read-only flag has changed semantics")
-}
--- a/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
+++ b/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
@@ -1,38 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is running on Google App Engine, compiled by GopherJS, or
-// "-tags safe" is added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// +build js appengine safe disableunsafe !go1.4
-
-package spew
-
-import "reflect"
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = true
-)
-
-// unsafeReflectValue typically converts the passed reflect.Value into a one
-// that bypasses the typical safety restrictions preventing access to
-// unaddressable and unexported data.  However, doing this relies on access to
-// the unsafe package.  This is a stub version which simply returns the passed
-// reflect.Value when the unsafe package is not available.
-func unsafeReflectValue(v reflect.Value) reflect.Value {
-	return v
-}
--- a/vendor/github.com/davecgh/go-spew/spew/common.go
+++ b/vendor/github.com/davecgh/go-spew/spew/common.go
@@ -1,341 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"reflect"
-	"sort"
-	"strconv"
-)
-
-// Some constants in the form of bytes to avoid string overhead.  This mirrors
-// the technique used in the fmt package.
-var (
-	panicBytes            = []byte("(PANIC=")
-	plusBytes             = []byte("+")
-	iBytes                = []byte("i")
-	trueBytes             = []byte("true")
-	falseBytes            = []byte("false")
-	interfaceBytes        = []byte("(interface {})")
-	commaNewlineBytes     = []byte(",\n")
-	newlineBytes          = []byte("\n")
-	openBraceBytes        = []byte("{")
-	openBraceNewlineBytes = []byte("{\n")
-	closeBraceBytes       = []byte("}")
-	asteriskBytes         = []byte("*")
-	colonBytes            = []byte(":")
-	colonSpaceBytes       = []byte(": ")
-	openParenBytes        = []byte("(")
-	closeParenBytes       = []byte(")")
-	spaceBytes            = []byte(" ")
-	pointerChainBytes     = []byte("->")
-	nilAngleBytes         = []byte("<nil>")
-	maxNewlineBytes       = []byte("<max depth reached>\n")
-	maxShortBytes         = []byte("<max>")
-	circularBytes         = []byte("<already shown>")
-	circularShortBytes    = []byte("<shown>")
-	invalidAngleBytes     = []byte("<invalid>")
-	openBracketBytes      = []byte("[")
-	closeBracketBytes     = []byte("]")
-	percentBytes          = []byte("%")
-	precisionBytes        = []byte(".")
-	openAngleBytes        = []byte("<")
-	closeAngleBytes       = []byte(">")
-	openMapBytes          = []byte("map[")
-	closeMapBytes         = []byte("]")
-	lenEqualsBytes        = []byte("len=")
-	capEqualsBytes        = []byte("cap=")
-)
-
-// hexDigits is used to map a decimal value to a hex digit.
-var hexDigits = "0123456789abcdef"
-
-// catchPanic handles any panics that might occur during the handleMethods
-// calls.
-func catchPanic(w io.Writer, v reflect.Value) {
-	if err := recover(); err != nil {
-		w.Write(panicBytes)
-		fmt.Fprintf(w, "%v", err)
-		w.Write(closeParenBytes)
-	}
-}
-
-// handleMethods attempts to call the Error and String methods on the underlying
-// type the passed reflect.Value represents and outputes the result to Writer w.
-//
-// It handles panics in any called methods by catching and displaying the error
-// as the formatted value.
-func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) {
-	// We need an interface to check if the type implements the error or
-	// Stringer interface.  However, the reflect package won't give us an
-	// interface on certain things like unexported struct fields in order
-	// to enforce visibility rules.  We use unsafe, when it's available,
-	// to bypass these restrictions since this package does not mutate the
-	// values.
-	if !v.CanInterface() {
-		if UnsafeDisabled {
-			return false
-		}
-
-		v = unsafeReflectValue(v)
-	}
-
-	// Choose whether or not to do error and Stringer interface lookups against
-	// the base type or a pointer to the base type depending on settings.
-	// Technically calling one of these methods with a pointer receiver can
-	// mutate the value, however, types which choose to satisify an error or
-	// Stringer interface with a pointer receiver should not be mutating their
-	// state inside these interface methods.
-	if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
-		v = unsafeReflectValue(v)
-	}
-	if v.CanAddr() {
-		v = v.Addr()
-	}
-
-	// Is it an error or Stringer?
-	switch iface := v.Interface().(type) {
-	case error:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.Error()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-
-		w.Write([]byte(iface.Error()))
-		return true
-
-	case fmt.Stringer:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.String()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-		w.Write([]byte(iface.String()))
-		return true
-	}
-	return false
-}
-
-// printBool outputs a boolean value as true or false to Writer w.
-func printBool(w io.Writer, val bool) {
-	if val {
-		w.Write(trueBytes)
-	} else {
-		w.Write(falseBytes)
-	}
-}
-
-// printInt outputs a signed integer value to Writer w.
-func printInt(w io.Writer, val int64, base int) {
-	w.Write([]byte(strconv.FormatInt(val, base)))
-}
-
-// printUint outputs an unsigned integer value to Writer w.
-func printUint(w io.Writer, val uint64, base int) {
-	w.Write([]byte(strconv.FormatUint(val, base)))
-}
-
-// printFloat outputs a floating point value using the specified precision,
-// which is expected to be 32 or 64bit, to Writer w.
-func printFloat(w io.Writer, val float64, precision int) {
-	w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision)))
-}
-
-// printComplex outputs a complex value using the specified float precision
-// for the real and imaginary parts to Writer w.
-func printComplex(w io.Writer, c complex128, floatPrecision int) {
-	r := real(c)
-	w.Write(openParenBytes)
-	w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision)))
-	i := imag(c)
-	if i >= 0 {
-		w.Write(plusBytes)
-	}
-	w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision)))
-	w.Write(iBytes)
-	w.Write(closeParenBytes)
-}
-
-// printHexPtr outputs a uintptr formatted as hexadecimal with a leading '0x'
-// prefix to Writer w.
-func printHexPtr(w io.Writer, p uintptr) {
-	// Null pointer.
-	num := uint64(p)
-	if num == 0 {
-		w.Write(nilAngleBytes)
-		return
-	}
-
-	// Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix
-	buf := make([]byte, 18)
-
-	// It's simpler to construct the hex string right to left.
-	base := uint64(16)
-	i := len(buf) - 1
-	for num >= base {
-		buf[i] = hexDigits[num%base]
-		num /= base
-		i--
-	}
-	buf[i] = hexDigits[num]
-
-	// Add '0x' prefix.
-	i--
-	buf[i] = 'x'
-	i--
-	buf[i] = '0'
-
-	// Strip unused leading bytes.
-	buf = buf[i:]
-	w.Write(buf)
-}
-
-// valuesSorter implements sort.Interface to allow a slice of reflect.Value
-// elements to be sorted.
-type valuesSorter struct {
-	values  []reflect.Value
-	strings []string // either nil or same len and values
-	cs      *ConfigState
-}
-
-// newValuesSorter initializes a valuesSorter instance, which holds a set of
-// surrogate keys on which the data should be sorted.  It uses flags in
-// ConfigState to decide if and how to populate those surrogate keys.
-func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface {
-	vs := &valuesSorter{values: values, cs: cs}
-	if canSortSimply(vs.values[0].Kind()) {
-		return vs
-	}
-	if !cs.DisableMethods {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			b := bytes.Buffer{}
-			if !handleMethods(cs, &b, vs.values[i]) {
-				vs.strings = nil
-				break
-			}
-			vs.strings[i] = b.String()
-		}
-	}
-	if vs.strings == nil && cs.SpewKeys {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			vs.strings[i] = Sprintf("%#v", vs.values[i].Interface())
-		}
-	}
-	return vs
-}
-
-// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted
-// directly, or whether it should be considered for sorting by surrogate keys
-// (if the ConfigState allows it).
-func canSortSimply(kind reflect.Kind) bool {
-	// This switch parallels valueSortLess, except for the default case.
-	switch kind {
-	case reflect.Bool:
-		return true
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return true
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return true
-	case reflect.Float32, reflect.Float64:
-		return true
-	case reflect.String:
-		return true
-	case reflect.Uintptr:
-		return true
-	case reflect.Array:
-		return true
-	}
-	return false
-}
-
-// Len returns the number of values in the slice.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Len() int {
-	return len(s.values)
-}
-
-// Swap swaps the values at the passed indices.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Swap(i, j int) {
-	s.values[i], s.values[j] = s.values[j], s.values[i]
-	if s.strings != nil {
-		s.strings[i], s.strings[j] = s.strings[j], s.strings[i]
-	}
-}
-
-// valueSortLess returns whether the first value should sort before the second
-// value.  It is used by valueSorter.Less as part of the sort.Interface
-// implementation.
-func valueSortLess(a, b reflect.Value) bool {
-	switch a.Kind() {
-	case reflect.Bool:
-		return !a.Bool() && b.Bool()
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return a.Int() < b.Int()
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return a.Uint() < b.Uint()
-	case reflect.Float32, reflect.Float64:
-		return a.Float() < b.Float()
-	case reflect.String:
-		return a.String() < b.String()
-	case reflect.Uintptr:
-		return a.Uint() < b.Uint()
-	case reflect.Array:
-		// Compare the contents of both arrays.
-		l := a.Len()
-		for i := 0; i < l; i++ {
-			av := a.Index(i)
-			bv := b.Index(i)
-			if av.Interface() == bv.Interface() {
-				continue
-			}
-			return valueSortLess(av, bv)
-		}
-	}
-	return a.String() < b.String()
-}
-
-// Less returns whether the value at index i should sort before the
-// value at index j.  It is part of the sort.Interface implementation.
-func (s *valuesSorter) Less(i, j int) bool {
-	if s.strings == nil {
-		return valueSortLess(s.values[i], s.values[j])
-	}
-	return s.strings[i] < s.strings[j]
-}
-
-// sortValues is a sort function that handles both native types and any type that
-// can be converted to error or Stringer.  Other inputs are sorted according to
-// their Value.String() value to ensure display stability.
-func sortValues(values []reflect.Value, cs *ConfigState) {
-	if len(values) == 0 {
-		return
-	}
-	sort.Sort(newValuesSorter(values, cs))
-}
--- a/vendor/github.com/davecgh/go-spew/spew/config.go
+++ b/vendor/github.com/davecgh/go-spew/spew/config.go
@@ -1,306 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"os"
-)
-
-// ConfigState houses the configuration options used by spew to format and
-// display values.  There is a global instance, Config, that is used to control
-// all top-level Formatter and Dump functionality.  Each ConfigState instance
-// provides methods equivalent to the top-level functions.
-//
-// The zero value for ConfigState provides no indentation.  You would typically
-// want to set it to a space or a tab.
-//
-// Alternatively, you can use NewDefaultConfig to get a ConfigState instance
-// with default settings.  See the documentation of NewDefaultConfig for default
-// values.
-type ConfigState struct {
-	// Indent specifies the string to use for each indentation level.  The
-	// global config instance that all top-level functions use set this to a
-	// single space by default.  If you would like more indentation, you might
-	// set this to a tab with "\t" or perhaps two spaces with "  ".
-	Indent string
-
-	// MaxDepth controls the maximum number of levels to descend into nested
-	// data structures.  The default, 0, means there is no limit.
-	//
-	// NOTE: Circular data structures are properly detected, so it is not
-	// necessary to set this value unless you specifically want to limit deeply
-	// nested data structures.
-	MaxDepth int
-
-	// DisableMethods specifies whether or not error and Stringer interfaces are
-	// invoked for types that implement them.
-	DisableMethods bool
-
-	// DisablePointerMethods specifies whether or not to check for and invoke
-	// error and Stringer interfaces on types which only accept a pointer
-	// receiver when the current type is not a pointer.
-	//
-	// NOTE: This might be an unsafe action since calling one of these methods
-	// with a pointer receiver could technically mutate the value, however,
-	// in practice, types which choose to satisify an error or Stringer
-	// interface with a pointer receiver should not be mutating their state
-	// inside these interface methods.  As a result, this option relies on
-	// access to the unsafe package, so it will not have any effect when
-	// running in environments without access to the unsafe package such as
-	// Google App Engine or with the "safe" build tag specified.
-	DisablePointerMethods bool
-
-	// DisablePointerAddresses specifies whether to disable the printing of
-	// pointer addresses. This is useful when diffing data structures in tests.
-	DisablePointerAddresses bool
-
-	// DisableCapacities specifies whether to disable the printing of capacities
-	// for arrays, slices, maps and channels. This is useful when diffing
-	// data structures in tests.
-	DisableCapacities bool
-
-	// ContinueOnMethod specifies whether or not recursion should continue once
-	// a custom error or Stringer interface is invoked.  The default, false,
-	// means it will print the results of invoking the custom error or Stringer
-	// interface and return immediately instead of continuing to recurse into
-	// the internals of the data type.
-	//
-	// NOTE: This flag does not have any effect if method invocation is disabled
-	// via the DisableMethods or DisablePointerMethods options.
-	ContinueOnMethod bool
-
-	// SortKeys specifies map keys should be sorted before being printed. Use
-	// this to have a more deterministic, diffable output.  Note that only
-	// native types (bool, int, uint, floats, uintptr and string) and types
-	// that support the error or Stringer interfaces (if methods are
-	// enabled) are supported, with other types sorted according to the
-	// reflect.Value.String() output which guarantees display stability.
-	SortKeys bool
-
-	// SpewKeys specifies that, as a last resort attempt, map keys should
-	// be spewed to strings and sorted by those strings.  This is only
-	// considered if SortKeys is true.
-	SpewKeys bool
-}
-
-// Config is the active configuration of the top-level functions.
-// The configuration can be changed by modifying the contents of spew.Config.
-var Config = ConfigState{Indent: " "}
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the formatted string as a value that satisfies error.  See NewFormatter
-// for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, c.convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, c.convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, c.convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a Formatter interface returned by c.NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, c.convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(c.convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, c.convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(c.convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprint(a ...interface{}) string {
-	return fmt.Sprint(c.convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, c.convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a Formatter interface returned by c.NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(c.convertArgs(a)...)
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), and %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-c.Printf, c.Println, or c.Printf.
-*/
-func (c *ConfigState) NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(c, v)
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func (c *ConfigState) Fdump(w io.Writer, a ...interface{}) {
-	fdump(c, w, a...)
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by modifying the public members
-of c.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func (c *ConfigState) Dump(a ...interface{}) {
-	fdump(c, os.Stdout, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func (c *ConfigState) Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(c, &buf, a...)
-	return buf.String()
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a spew Formatter interface using
-// the ConfigState associated with s.
-func (c *ConfigState) convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = newFormatter(c, arg)
-	}
-	return formatters
-}
-
-// NewDefaultConfig returns a ConfigState with the following default settings.
-//
-// 	Indent: " "
-// 	MaxDepth: 0
-// 	DisableMethods: false
-// 	DisablePointerMethods: false
-// 	ContinueOnMethod: false
-// 	SortKeys: false
-func NewDefaultConfig() *ConfigState {
-	return &ConfigState{Indent: " "}
-}
--- a/vendor/github.com/davecgh/go-spew/spew/doc.go
+++ b/vendor/github.com/davecgh/go-spew/spew/doc.go
@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
-Package spew implements a deep pretty printer for Go data structures to aid in
-debugging.
-
-A quick overview of the additional features spew provides over the built-in
-printing facilities for Go data types are as follows:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output (only when using
-	  Dump style)
-
-There are two different approaches spew allows for dumping Go data structures:
-
-	* Dump style which prints with newlines, customizable indentation,
-	  and additional debug information such as types and all pointer addresses
-	  used to indirect to the final value
-	* A custom Formatter interface that integrates cleanly with the standard fmt
-	  package and replaces %v, %+v, %#v, and %#+v to provide inline printing
-	  similar to the default %v while providing the additional functionality
-	  outlined above and passing unsupported format verbs such as %x and %q
-	  along to fmt
-
-Quick Start
-
-This section demonstrates how to quickly get started with spew.  See the
-sections below for further details on formatting and configuration options.
-
-To dump a variable with full newlines, indentation, type, and pointer
-information use Dump, Fdump, or Sdump:
-	spew.Dump(myVar1, myVar2, ...)
-	spew.Fdump(someWriter, myVar1, myVar2, ...)
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Alternatively, if you would prefer to use format strings with a compacted inline
-printing style, use the convenience wrappers Printf, Fprintf, etc with
-%v (most compact), %+v (adds pointer addresses), %#v (adds types), or
-%#+v (adds types and pointer addresses):
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-Configuration Options
-
-Configuration of spew is handled by fields in the ConfigState type.  For
-convenience, all of the top-level functions use a global state available
-via the spew.Config global.
-
-It is also possible to create a ConfigState instance that provides methods
-equivalent to the top-level functions.  This allows concurrent configuration
-options.  See the ConfigState documentation for more details.
-
-The following configuration options are available:
-	* Indent
-		String to use for each indentation level for Dump functions.
-		It is a single space by default.  A popular alternative is "\t".
-
-	* MaxDepth
-		Maximum number of levels to descend into nested data structures.
-		There is no limit by default.
-
-	* DisableMethods
-		Disables invocation of error and Stringer interface methods.
-		Method invocation is enabled by default.
-
-	* DisablePointerMethods
-		Disables invocation of error and Stringer interface methods on types
-		which only accept pointer receivers from non-pointer variables.
-		Pointer method invocation is enabled by default.
-
-	* DisablePointerAddresses
-		DisablePointerAddresses specifies whether to disable the printing of
-		pointer addresses. This is useful when diffing data structures in tests.
-
-	* DisableCapacities
-		DisableCapacities specifies whether to disable the printing of
-		capacities for arrays, slices, maps and channels. This is useful when
-		diffing data structures in tests.
-
-	* ContinueOnMethod
-		Enables recursion into types after invoking error and Stringer interface
-		methods. Recursion after method invocation is disabled by default.
-
-	* SortKeys
-		Specifies map keys should be sorted before being printed. Use
-		this to have a more deterministic, diffable output.  Note that
-		only native types (bool, int, uint, floats, uintptr and string)
-		and types which implement error or Stringer interfaces are
-		supported with other types sorted according to the
-		reflect.Value.String() output which guarantees display
-		stability.  Natural map order is used by default.
-
-	* SpewKeys
-		Specifies that, as a last resort attempt, map keys should be
-		spewed to strings and sorted by those strings.  This is only
-		considered if SortKeys is true.
-
-Dump Usage
-
-Simply call spew.Dump with a list of variables you want to dump:
-
-	spew.Dump(myVar1, myVar2, ...)
-
-You may also call spew.Fdump if you would prefer to output to an arbitrary
-io.Writer.  For example, to dump to standard error:
-
-	spew.Fdump(os.Stderr, myVar1, myVar2, ...)
-
-A third option is to call spew.Sdump to get the formatted output as a string:
-
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Sample Dump Output
-
-See the Dump example for details on the setup of the types and variables being
-shown here.
-
-	(main.Foo) {
-	 unexportedField: (*main.Bar)(0xf84002e210)({
-	  flag: (main.Flag) flagTwo,
-	  data: (uintptr) <nil>
-	 }),
-	 ExportedField: (map[interface {}]interface {}) (len=1) {
-	  (string) (len=3) "one": (bool) true
-	 }
-	}
-
-Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
-command as shown.
-	([]uint8) (len=32 cap=32) {
-	 00000000  11 12 13 14 15 16 17 18  19 1a 1b 1c 1d 1e 1f 20  |............... |
-	 00000010  21 22 23 24 25 26 27 28  29 2a 2b 2c 2d 2e 2f 30  |!"#$%&'()*+,-./0|
-	 00000020  31 32                                             |12|
-	}
-
-Custom Formatter
-
-Spew provides a custom formatter that implements the fmt.Formatter interface
-so that it integrates cleanly with standard fmt package printing functions. The
-formatter is useful for inline printing of smaller data types similar to the
-standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Custom Formatter Usage
-
-The simplest way to make use of the spew custom formatter is to call one of the
-convenience functions such as spew.Printf, spew.Println, or spew.Printf.  The
-functions have syntax you are most likely already familiar with:
-
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Println(myVar, myVar2)
-	spew.Fprintf(os.Stderr, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(os.Stderr, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-See the Index for the full list convenience functions.
-
-Sample Formatter Output
-
-Double pointer to a uint8:
-	  %v: <**>5
-	 %+v: <**>(0xf8400420d0->0xf8400420c8)5
-	 %#v: (**uint8)5
-	%#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
-
-Pointer to circular struct with a uint8 field and a pointer to itself:
-	  %v: <*>{1 <*><shown>}
-	 %+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
-	 %#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
-	%#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
-
-See the Printf example for details on the setup of variables being shown
-here.
-
-Errors
-
-Since it is possible for custom Stringer/error interfaces to panic, spew
-detects them and handles them internally by printing the panic information
-inline with the output.  Since spew is intended to provide deep pretty printing
-capabilities on structures, it intentionally does not return any errors.
-*/
-package spew
--- a/vendor/github.com/davecgh/go-spew/spew/dump.go
+++ b/vendor/github.com/davecgh/go-spew/spew/dump.go
@@ -1,509 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"encoding/hex"
-	"fmt"
-	"io"
-	"os"
-	"reflect"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-var (
-	// uint8Type is a reflect.Type representing a uint8.  It is used to
-	// convert cgo types to uint8 slices for hexdumping.
-	uint8Type = reflect.TypeOf(uint8(0))
-
-	// cCharRE is a regular expression that matches a cgo char.
-	// It is used to detect character arrays to hexdump them.
-	cCharRE = regexp.MustCompile(`^.*\._Ctype_char$`)
-
-	// cUnsignedCharRE is a regular expression that matches a cgo unsigned
-	// char.  It is used to detect unsigned character arrays to hexdump
-	// them.
-	cUnsignedCharRE = regexp.MustCompile(`^.*\._Ctype_unsignedchar$`)
-
-	// cUint8tCharRE is a regular expression that matches a cgo uint8_t.
-	// It is used to detect uint8_t arrays to hexdump them.
-	cUint8tCharRE = regexp.MustCompile(`^.*\._Ctype_uint8_t$`)
-)
-
-// dumpState contains information about the state of a dump operation.
-type dumpState struct {
-	w                io.Writer
-	depth            int
-	pointers         map[uintptr]int
-	ignoreNextType   bool
-	ignoreNextIndent bool
-	cs               *ConfigState
-}
-
-// indent performs indentation according to the depth level and cs.Indent
-// option.
-func (d *dumpState) indent() {
-	if d.ignoreNextIndent {
-		d.ignoreNextIndent = false
-		return
-	}
-	d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (d *dumpState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v
-}
-
-// dumpPtr handles formatting of pointers by indirecting them as necessary.
-func (d *dumpState) dumpPtr(v reflect.Value) {
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range d.pointers {
-		if depth >= d.depth {
-			delete(d.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by dereferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := d.pointers[addr]; ok && pd < d.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		d.pointers[addr] = d.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type information.
-	d.w.Write(openParenBytes)
-	d.w.Write(bytes.Repeat(asteriskBytes, indirects))
-	d.w.Write([]byte(ve.Type().String()))
-	d.w.Write(closeParenBytes)
-
-	// Display pointer information.
-	if !d.cs.DisablePointerAddresses && len(pointerChain) > 0 {
-		d.w.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				d.w.Write(pointerChainBytes)
-			}
-			printHexPtr(d.w, addr)
-		}
-		d.w.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	d.w.Write(openParenBytes)
-	switch {
-	case nilFound:
-		d.w.Write(nilAngleBytes)
-
-	case cycleFound:
-		d.w.Write(circularBytes)
-
-	default:
-		d.ignoreNextType = true
-		d.dump(ve)
-	}
-	d.w.Write(closeParenBytes)
-}
-
-// dumpSlice handles formatting of arrays and slices.  Byte (uint8 under
-// reflection) arrays and slices are dumped in hexdump -C fashion.
-func (d *dumpState) dumpSlice(v reflect.Value) {
-	// Determine whether this type should be hex dumped or not.  Also,
-	// for types which should be hexdumped, try to use the underlying data
-	// first, then fall back to trying to convert them to a uint8 slice.
-	var buf []uint8
-	doConvert := false
-	doHexDump := false
-	numEntries := v.Len()
-	if numEntries > 0 {
-		vt := v.Index(0).Type()
-		vts := vt.String()
-		switch {
-		// C types that need to be converted.
-		case cCharRE.MatchString(vts):
-			fallthrough
-		case cUnsignedCharRE.MatchString(vts):
-			fallthrough
-		case cUint8tCharRE.MatchString(vts):
-			doConvert = true
-
-		// Try to use existing uint8 slices and fall back to converting
-		// and copying if that fails.
-		case vt.Kind() == reflect.Uint8:
-			// We need an addressable interface to convert the type
-			// to a byte slice.  However, the reflect package won't
-			// give us an interface on certain things like
-			// unexported struct fields in order to enforce
-			// visibility rules.  We use unsafe, when available, to
-			// bypass these restrictions since this package does not
-			// mutate the values.
-			vs := v
-			if !vs.CanInterface() || !vs.CanAddr() {
-				vs = unsafeReflectValue(vs)
-			}
-			if !UnsafeDisabled {
-				vs = vs.Slice(0, numEntries)
-
-				// Use the existing uint8 slice if it can be
-				// type asserted.
-				iface := vs.Interface()
-				if slice, ok := iface.([]uint8); ok {
-					buf = slice
-					doHexDump = true
-					break
-				}
-			}
-
-			// The underlying data needs to be converted if it can't
-			// be type asserted to a uint8 slice.
-			doConvert = true
-		}
-
-		// Copy and convert the underlying type if needed.
-		if doConvert && vt.ConvertibleTo(uint8Type) {
-			// Convert and copy each element into a uint8 byte
-			// slice.
-			buf = make([]uint8, numEntries)
-			for i := 0; i < numEntries; i++ {
-				vv := v.Index(i)
-				buf[i] = uint8(vv.Convert(uint8Type).Uint())
-			}
-			doHexDump = true
-		}
-	}
-
-	// Hexdump the entire slice as needed.
-	if doHexDump {
-		indent := strings.Repeat(d.cs.Indent, d.depth)
-		str := indent + hex.Dump(buf)
-		str = strings.Replace(str, "\n", "\n"+indent, -1)
-		str = strings.TrimRight(str, d.cs.Indent)
-		d.w.Write([]byte(str))
-		return
-	}
-
-	// Recursively call dump for each item.
-	for i := 0; i < numEntries; i++ {
-		d.dump(d.unpackValue(v.Index(i)))
-		if i < (numEntries - 1) {
-			d.w.Write(commaNewlineBytes)
-		} else {
-			d.w.Write(newlineBytes)
-		}
-	}
-}
-
-// dump is the main workhorse for dumping a value.  It uses the passed reflect
-// value to figure out what kind of object we are dealing with and formats it
-// appropriately.  It is a recursive function, however circular data structures
-// are detected and handled properly.
-func (d *dumpState) dump(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		d.w.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		d.indent()
-		d.dumpPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !d.ignoreNextType {
-		d.indent()
-		d.w.Write(openParenBytes)
-		d.w.Write([]byte(v.Type().String()))
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-	d.ignoreNextType = false
-
-	// Display length and capacity if the built-in len and cap functions
-	// work with the value's kind and the len/cap itself is non-zero.
-	valueLen, valueCap := 0, 0
-	switch v.Kind() {
-	case reflect.Array, reflect.Slice, reflect.Chan:
-		valueLen, valueCap = v.Len(), v.Cap()
-	case reflect.Map, reflect.String:
-		valueLen = v.Len()
-	}
-	if valueLen != 0 || !d.cs.DisableCapacities && valueCap != 0 {
-		d.w.Write(openParenBytes)
-		if valueLen != 0 {
-			d.w.Write(lenEqualsBytes)
-			printInt(d.w, int64(valueLen), 10)
-		}
-		if !d.cs.DisableCapacities && valueCap != 0 {
-			if valueLen != 0 {
-				d.w.Write(spaceBytes)
-			}
-			d.w.Write(capEqualsBytes)
-			printInt(d.w, int64(valueCap), 10)
-		}
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-
-	// Call Stringer/error interfaces if they exist and the handle methods flag
-	// is enabled
-	if !d.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(d.cs, d.w, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(d.w, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(d.w, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(d.w, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(d.w, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(d.w, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(d.w, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(d.w, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			d.dumpSlice(v)
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.String:
-		d.w.Write([]byte(strconv.Quote(v.String())))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			numEntries := v.Len()
-			keys := v.MapKeys()
-			if d.cs.SortKeys {
-				sortValues(keys, d.cs)
-			}
-			for i, key := range keys {
-				d.dump(d.unpackValue(key))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.MapIndex(key)))
-				if i < (numEntries - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Struct:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			vt := v.Type()
-			numFields := v.NumField()
-			for i := 0; i < numFields; i++ {
-				d.indent()
-				vtf := vt.Field(i)
-				d.w.Write([]byte(vtf.Name))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.Field(i)))
-				if i < (numFields - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(d.w, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(d.w, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it in case any new
-	// types are added.
-	default:
-		if v.CanInterface() {
-			fmt.Fprintf(d.w, "%v", v.Interface())
-		} else {
-			fmt.Fprintf(d.w, "%v", v.String())
-		}
-	}
-}
-
-// fdump is a helper function to consolidate the logic from the various public
-// methods which take varying writers and config states.
-func fdump(cs *ConfigState, w io.Writer, a ...interface{}) {
-	for _, arg := range a {
-		if arg == nil {
-			w.Write(interfaceBytes)
-			w.Write(spaceBytes)
-			w.Write(nilAngleBytes)
-			w.Write(newlineBytes)
-			continue
-		}
-
-		d := dumpState{w: w, cs: cs}
-		d.pointers = make(map[uintptr]int)
-		d.dump(reflect.ValueOf(arg))
-		d.w.Write(newlineBytes)
-	}
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func Fdump(w io.Writer, a ...interface{}) {
-	fdump(&Config, w, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(&Config, &buf, a...)
-	return buf.String()
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by an exported package global,
-spew.Config.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func Dump(a ...interface{}) {
-	fdump(&Config, os.Stdout, a...)
-}
--- a/vendor/github.com/davecgh/go-spew/spew/format.go
+++ b/vendor/github.com/davecgh/go-spew/spew/format.go
@@ -1,419 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-)
-
-// supportedFlags is a list of all the character flags supported by fmt package.
-const supportedFlags = "0-+# "
-
-// formatState implements the fmt.Formatter interface and contains information
-// about the state of a formatting operation.  The NewFormatter function can
-// be used to get a new Formatter which can be used directly as arguments
-// in standard fmt package printing calls.
-type formatState struct {
-	value          interface{}
-	fs             fmt.State
-	depth          int
-	pointers       map[uintptr]int
-	ignoreNextType bool
-	cs             *ConfigState
-}
-
-// buildDefaultFormat recreates the original format string without precision
-// and width information to pass in to fmt.Sprintf in the case of an
-// unrecognized type.  Unless new types are added to the language, this
-// function won't ever be called.
-func (f *formatState) buildDefaultFormat() (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	buf.WriteRune('v')
-
-	format = buf.String()
-	return format
-}
-
-// constructOrigFormat recreates the original format string including precision
-// and width information to pass along to the standard fmt package.  This allows
-// automatic deferral of all format strings this package doesn't support.
-func (f *formatState) constructOrigFormat(verb rune) (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	if width, ok := f.fs.Width(); ok {
-		buf.WriteString(strconv.Itoa(width))
-	}
-
-	if precision, ok := f.fs.Precision(); ok {
-		buf.Write(precisionBytes)
-		buf.WriteString(strconv.Itoa(precision))
-	}
-
-	buf.WriteRune(verb)
-
-	format = buf.String()
-	return format
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible and
-// ensures that types for values which have been unpacked from an interface
-// are displayed when the show types flag is also set.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (f *formatState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface {
-		f.ignoreNextType = false
-		if !v.IsNil() {
-			v = v.Elem()
-		}
-	}
-	return v
-}
-
-// formatPtr handles formatting of pointers by indirecting them as necessary.
-func (f *formatState) formatPtr(v reflect.Value) {
-	// Display nil if top level pointer is nil.
-	showTypes := f.fs.Flag('#')
-	if v.IsNil() && (!showTypes || f.ignoreNextType) {
-		f.fs.Write(nilAngleBytes)
-		return
-	}
-
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range f.pointers {
-		if depth >= f.depth {
-			delete(f.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to possibly show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by derferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := f.pointers[addr]; ok && pd < f.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		f.pointers[addr] = f.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type or indirection level depending on flags.
-	if showTypes && !f.ignoreNextType {
-		f.fs.Write(openParenBytes)
-		f.fs.Write(bytes.Repeat(asteriskBytes, indirects))
-		f.fs.Write([]byte(ve.Type().String()))
-		f.fs.Write(closeParenBytes)
-	} else {
-		if nilFound || cycleFound {
-			indirects += strings.Count(ve.Type().String(), "*")
-		}
-		f.fs.Write(openAngleBytes)
-		f.fs.Write([]byte(strings.Repeat("*", indirects)))
-		f.fs.Write(closeAngleBytes)
-	}
-
-	// Display pointer information depending on flags.
-	if f.fs.Flag('+') && (len(pointerChain) > 0) {
-		f.fs.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				f.fs.Write(pointerChainBytes)
-			}
-			printHexPtr(f.fs, addr)
-		}
-		f.fs.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	switch {
-	case nilFound:
-		f.fs.Write(nilAngleBytes)
-
-	case cycleFound:
-		f.fs.Write(circularShortBytes)
-
-	default:
-		f.ignoreNextType = true
-		f.format(ve)
-	}
-}
-
-// format is the main workhorse for providing the Formatter interface.  It
-// uses the passed reflect value to figure out what kind of object we are
-// dealing with and formats it appropriately.  It is a recursive function,
-// however circular data structures are detected and handled properly.
-func (f *formatState) format(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		f.fs.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		f.formatPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !f.ignoreNextType && f.fs.Flag('#') {
-		f.fs.Write(openParenBytes)
-		f.fs.Write([]byte(v.Type().String()))
-		f.fs.Write(closeParenBytes)
-	}
-	f.ignoreNextType = false
-
-	// Call Stringer/error interfaces if they exist and the handle methods
-	// flag is enabled.
-	if !f.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(f.cs, f.fs, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(f.fs, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(f.fs, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(f.fs, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(f.fs, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(f.fs, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(f.fs, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(f.fs, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		f.fs.Write(openBracketBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			numEntries := v.Len()
-			for i := 0; i < numEntries; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.Index(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBracketBytes)
-
-	case reflect.String:
-		f.fs.Write([]byte(v.String()))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-
-		f.fs.Write(openMapBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			keys := v.MapKeys()
-			if f.cs.SortKeys {
-				sortValues(keys, f.cs)
-			}
-			for i, key := range keys {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(key))
-				f.fs.Write(colonBytes)
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.MapIndex(key)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeMapBytes)
-
-	case reflect.Struct:
-		numFields := v.NumField()
-		f.fs.Write(openBraceBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			vt := v.Type()
-			for i := 0; i < numFields; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				vtf := vt.Field(i)
-				if f.fs.Flag('+') || f.fs.Flag('#') {
-					f.fs.Write([]byte(vtf.Name))
-					f.fs.Write(colonBytes)
-				}
-				f.format(f.unpackValue(v.Field(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(f.fs, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(f.fs, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it if any get added.
-	default:
-		format := f.buildDefaultFormat()
-		if v.CanInterface() {
-			fmt.Fprintf(f.fs, format, v.Interface())
-		} else {
-			fmt.Fprintf(f.fs, format, v.String())
-		}
-	}
-}
-
-// Format satisfies the fmt.Formatter interface. See NewFormatter for usage
-// details.
-func (f *formatState) Format(fs fmt.State, verb rune) {
-	f.fs = fs
-
-	// Use standard formatting for verbs that are not v.
-	if verb != 'v' {
-		format := f.constructOrigFormat(verb)
-		fmt.Fprintf(fs, format, f.value)
-		return
-	}
-
-	if f.value == nil {
-		if fs.Flag('#') {
-			fs.Write(interfaceBytes)
-		}
-		fs.Write(nilAngleBytes)
-		return
-	}
-
-	f.format(reflect.ValueOf(f.value))
-}
-
-// newFormatter is a helper function to consolidate the logic from the various
-// public methods which take varying config states.
-func newFormatter(cs *ConfigState, v interface{}) fmt.Formatter {
-	fs := &formatState{value: v, cs: cs}
-	fs.pointers = make(map[uintptr]int)
-	return fs
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-Printf, Println, or Fprintf.
-*/
-func NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(&Config, v)
-}
--- a/vendor/github.com/davecgh/go-spew/spew/spew.go
+++ b/vendor/github.com/davecgh/go-spew/spew/spew.go
@@ -1,148 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"fmt"
-	"io"
-)
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the formatted string as a value that satisfies error.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a default Formatter interface returned by NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b))
-func Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b))
-func Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprint(a ...interface{}) string {
-	return fmt.Sprint(convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(convertArgs(a)...)
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a default spew Formatter interface.
-func convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = NewFormatter(arg)
-	}
-	return formatters
-}
--- a/vendor/github.com/evanphx/json-patch/.travis.yml
+++ b/vendor/github.com/evanphx/json-patch/.travis.yml
@@ -1,19 +0,0 @@
-language: go
-
-go:
-  - 1.14
-  - 1.13
-
-install:
-  - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
-  - go get github.com/jessevdk/go-flags
-
-script:
-  - go get
-  - go test -cover ./...
-  - cd ./v5
-  - go get
-  - go test -cover ./...
-
-notifications:
-  email: false
--- a/vendor/github.com/evanphx/json-patch/LICENSE
+++ b/vendor/github.com/evanphx/json-patch/LICENSE
@@ -1,25 +0,0 @@
-Copyright (c) 2014, Evan Phoenix
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without 
-modification, are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright notice, this
-  list of conditions and the following disclaimer.
-* Redistributions in binary form must reproduce the above copyright notice,
-  this list of conditions and the following disclaimer in the documentation
-  and/or other materials provided with the distribution.
-* Neither the name of the Evan Phoenix nor the names of its contributors 
-  may be used to endorse or promote products derived from this software 
-  without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- a/vendor/github.com/evanphx/json-patch/README.md
+++ b/vendor/github.com/evanphx/json-patch/README.md
@@ -1,298 +0,0 @@
-# JSON-Patch
-`jsonpatch` is a library which provides functionality for both applying
-[RFC6902 JSON patches](http://tools.ietf.org/html/rfc6902) against documents, as
-well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ietf.org/html/rfc7396).
-
-[![GoDoc](https://godoc.org/github.com/evanphx/json-patch?status.svg)](http://godoc.org/github.com/evanphx/json-patch)
-[![Build Status](https://travis-ci.org/evanphx/json-patch.svg?branch=master)](https://travis-ci.org/evanphx/json-patch)
-[![Report Card](https://goreportcard.com/badge/github.com/evanphx/json-patch)](https://goreportcard.com/report/github.com/evanphx/json-patch)
-
-# Get It!
-
-**Latest and greatest**: 
-```bash
-go get -u github.com/evanphx/json-patch/v5
-```
-
-**Stable Versions**:
-* Version 5: `go get -u gopkg.in/evanphx/json-patch.v5`
-* Version 4: `go get -u gopkg.in/evanphx/json-patch.v4`
-
-(previous versions below `v3` are unavailable)
-
-# Use It!
-* [Create and apply a merge patch](#create-and-apply-a-merge-patch)
-* [Create and apply a JSON Patch](#create-and-apply-a-json-patch)
-* [Comparing JSON documents](#comparing-json-documents)
-* [Combine merge patches](#combine-merge-patches)
-
-
-# Configuration
-
-* There is a global configuration variable `jsonpatch.SupportNegativeIndices`.
-  This defaults to `true` and enables the non-standard practice of allowing
-  negative indices to mean indices starting at the end of an array. This
-  functionality can be disabled by setting `jsonpatch.SupportNegativeIndices =
-  false`.
-
-* There is a global configuration variable `jsonpatch.AccumulatedCopySizeLimit`,
-  which limits the total size increase in bytes caused by "copy" operations in a
-  patch. It defaults to 0, which means there is no limit.
-
-## Create and apply a merge patch
-Given both an original JSON document and a modified JSON document, you can create
-a [Merge Patch](https://tools.ietf.org/html/rfc7396) document. 
-
-It can describe the changes needed to convert from the original to the 
-modified JSON document.
-
-Once you have a merge patch, you can apply it to other JSON documents using the
-`jsonpatch.MergePatch(document, patch)` function.
-
-```go
-package main
-
-import (
-	"fmt"
-
-	jsonpatch "github.com/evanphx/json-patch"
-)
-
-func main() {
-	// Let's create a merge patch from these two documents...
-	original := []byte(`{"name": "John", "age": 24, "height": 3.21}`)
-	target := []byte(`{"name": "Jane", "age": 24}`)
-
-	patch, err := jsonpatch.CreateMergePatch(original, target)
-	if err != nil {
-		panic(err)
-	}
-
-	// Now lets apply the patch against a different JSON document...
-
-	alternative := []byte(`{"name": "Tina", "age": 28, "height": 3.75}`)
-	modifiedAlternative, err := jsonpatch.MergePatch(alternative, patch)
-
-	fmt.Printf("patch document:   %s\n", patch)
-	fmt.Printf("updated alternative doc: %s\n", modifiedAlternative)
-}
-```
-
-When ran, you get the following output:
-
-```bash
-$ go run main.go
-patch document:   {"height":null,"name":"Jane"}
-updated alternative doc: {"age":28,"name":"Jane"}
-```
-
-## Create and apply a JSON Patch
-You can create patch objects using `DecodePatch([]byte)`, which can then 
-be applied against JSON documents.
-
-The following is an example of creating a patch from two operations, and
-applying it against a JSON document.
-
-```go
-package main
-
-import (
-	"fmt"
-
-	jsonpatch "github.com/evanphx/json-patch"
-)
-
-func main() {
-	original := []byte(`{"name": "John", "age": 24, "height": 3.21}`)
-	patchJSON := []byte(`[
-		{"op": "replace", "path": "/name", "value": "Jane"},
-		{"op": "remove", "path": "/height"}
-	]`)
-
-	patch, err := jsonpatch.DecodePatch(patchJSON)
-	if err != nil {
-		panic(err)
-	}
-
-	modified, err := patch.Apply(original)
-	if err != nil {
-		panic(err)
-	}
-
-	fmt.Printf("Original document: %s\n", original)
-	fmt.Printf("Modified document: %s\n", modified)
-}
-```
-
-When ran, you get the following output:
-
-```bash
-$ go run main.go
-Original document: {"name": "John", "age": 24, "height": 3.21}
-Modified document: {"age":24,"name":"Jane"}
-```
-
-## Comparing JSON documents
-Due to potential whitespace and ordering differences, one cannot simply compare
-JSON strings or byte-arrays directly. 
-
-As such, you can instead use `jsonpatch.Equal(document1, document2)` to 
-determine if two JSON documents are _structurally_ equal. This ignores
-whitespace differences, and key-value ordering.
-
-```go
-package main
-
-import (
-	"fmt"
-
-	jsonpatch "github.com/evanphx/json-patch"
-)
-
-func main() {
-	original := []byte(`{"name": "John", "age": 24, "height": 3.21}`)
-	similar := []byte(`
-		{
-			"age": 24,
-			"height": 3.21,
-			"name": "John"
-		}
-	`)
-	different := []byte(`{"name": "Jane", "age": 20, "height": 3.37}`)
-
-	if jsonpatch.Equal(original, similar) {
-		fmt.Println(`"original" is structurally equal to "similar"`)
-	}
-
-	if !jsonpatch.Equal(original, different) {
-		fmt.Println(`"original" is _not_ structurally equal to "different"`)
-	}
-}
-```
-
-When ran, you get the following output:
-```bash
-$ go run main.go
-"original" is structurally equal to "similar"
-"original" is _not_ structurally equal to "different"
-```
-
-## Combine merge patches
-Given two JSON merge patch documents, it is possible to combine them into a 
-single merge patch which can describe both set of changes.
-
-The resulting merge patch can be used such that applying it results in a
-document structurally similar as merging each merge patch to the document
-in succession. 
-
-```go
-package main
-
-import (
-	"fmt"
-
-	jsonpatch "github.com/evanphx/json-patch"
-)
-
-func main() {
-	original := []byte(`{"name": "John", "age": 24, "height": 3.21}`)
-
-	nameAndHeight := []byte(`{"height":null,"name":"Jane"}`)
-	ageAndEyes := []byte(`{"age":4.23,"eyes":"blue"}`)
-
-	// Let's combine these merge patch documents...
-	combinedPatch, err := jsonpatch.MergeMergePatches(nameAndHeight, ageAndEyes)
-	if err != nil {
-		panic(err)
-	}
-
-	// Apply each patch individual against the original document
-	withoutCombinedPatch, err := jsonpatch.MergePatch(original, nameAndHeight)
-	if err != nil {
-		panic(err)
-	}
-
-	withoutCombinedPatch, err = jsonpatch.MergePatch(withoutCombinedPatch, ageAndEyes)
-	if err != nil {
-		panic(err)
-	}
-
-	// Apply the combined patch against the original document
-
-	withCombinedPatch, err := jsonpatch.MergePatch(original, combinedPatch)
-	if err != nil {
-		panic(err)
-	}
-
-	// Do both result in the same thing? They should!
-	if jsonpatch.Equal(withCombinedPatch, withoutCombinedPatch) {
-		fmt.Println("Both JSON documents are structurally the same!")
-	}
-
-	fmt.Printf("combined merge patch: %s", combinedPatch)
-}
-```
-
-When ran, you get the following output:
-```bash
-$ go run main.go
-Both JSON documents are structurally the same!
-combined merge patch: {"age":4.23,"eyes":"blue","height":null,"name":"Jane"}
-```
-
-# CLI for comparing JSON documents
-You can install the commandline program `json-patch`.
-
-This program can take multiple JSON patch documents as arguments, 
-and fed a JSON document from `stdin`. It will apply the patch(es) against 
-the document and output the modified doc.
-
-**patch.1.json**
-```json
-[
-    {"op": "replace", "path": "/name", "value": "Jane"},
-    {"op": "remove", "path": "/height"}
-]
-```
-
-**patch.2.json**
-```json
-[
-    {"op": "add", "path": "/address", "value": "123 Main St"},
-    {"op": "replace", "path": "/age", "value": "21"}
-]
-```
-
-**document.json**
-```json
-{
-    "name": "John",
-    "age": 24,
-    "height": 3.21
-}
-```
-
-You can then run:
-
-```bash
-$ go install github.com/evanphx/json-patch/cmd/json-patch
-$ cat document.json | json-patch -p patch.1.json -p patch.2.json
-{"address":"123 Main St","age":"21","name":"Jane"}
-```
-
-# Help It!
-Contributions are welcomed! Leave [an issue](https://github.com/evanphx/json-patch/issues)
-or [create a PR](https://github.com/evanphx/json-patch/compare).
-
-
-Before creating a pull request, we'd ask that you make sure tests are passing
-and that you have added new tests when applicable.
-
-Contributors can run tests using:
-
-```bash
-go test -cover ./...
-```
-
-Builds for pull requests are tested automatically 
-using [TravisCI](https://travis-ci.org/evanphx/json-patch).
--- a/vendor/github.com/evanphx/json-patch/errors.go
+++ b/vendor/github.com/evanphx/json-patch/errors.go
@@ -1,38 +0,0 @@
-package jsonpatch
-
-import "fmt"
-
-// AccumulatedCopySizeError is an error type returned when the accumulated size
-// increase caused by copy operations in a patch operation has exceeded the
-// limit.
-type AccumulatedCopySizeError struct {
-	limit       int64
-	accumulated int64
-}
-
-// NewAccumulatedCopySizeError returns an AccumulatedCopySizeError.
-func NewAccumulatedCopySizeError(l, a int64) *AccumulatedCopySizeError {
-	return &AccumulatedCopySizeError{limit: l, accumulated: a}
-}
-
-// Error implements the error interface.
-func (a *AccumulatedCopySizeError) Error() string {
-	return fmt.Sprintf("Unable to complete the copy, the accumulated size increase of copy is %d, exceeding the limit %d", a.accumulated, a.limit)
-}
-
-// ArraySizeError is an error type returned when the array size has exceeded
-// the limit.
-type ArraySizeError struct {
-	limit int
-	size  int
-}
-
-// NewArraySizeError returns an ArraySizeError.
-func NewArraySizeError(l, s int) *ArraySizeError {
-	return &ArraySizeError{limit: l, size: s}
-}
-
-// Error implements the error interface.
-func (a *ArraySizeError) Error() string {
-	return fmt.Sprintf("Unable to create array of size %d, limit is %d", a.size, a.limit)
-}
--- a/vendor/github.com/evanphx/json-patch/merge.go
+++ b/vendor/github.com/evanphx/json-patch/merge.go
@@ -1,386 +0,0 @@
-package jsonpatch
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"reflect"
-)
-
-func merge(cur, patch *lazyNode, mergeMerge bool) *lazyNode {
-	curDoc, err := cur.intoDoc()
-
-	if err != nil {
-		pruneNulls(patch)
-		return patch
-	}
-
-	patchDoc, err := patch.intoDoc()
-
-	if err != nil {
-		return patch
-	}
-
-	mergeDocs(curDoc, patchDoc, mergeMerge)
-
-	return cur
-}
-
-func mergeDocs(doc, patch *partialDoc, mergeMerge bool) {
-	for k, v := range *patch {
-		if v == nil {
-			if mergeMerge {
-				(*doc)[k] = nil
-			} else {
-				delete(*doc, k)
-			}
-		} else {
-			cur, ok := (*doc)[k]
-
-			if !ok || cur == nil {
-				pruneNulls(v)
-				(*doc)[k] = v
-			} else {
-				(*doc)[k] = merge(cur, v, mergeMerge)
-			}
-		}
-	}
-}
-
-func pruneNulls(n *lazyNode) {
-	sub, err := n.intoDoc()
-
-	if err == nil {
-		pruneDocNulls(sub)
-	} else {
-		ary, err := n.intoAry()
-
-		if err == nil {
-			pruneAryNulls(ary)
-		}
-	}
-}
-
-func pruneDocNulls(doc *partialDoc) *partialDoc {
-	for k, v := range *doc {
-		if v == nil {
-			delete(*doc, k)
-		} else {
-			pruneNulls(v)
-		}
-	}
-
-	return doc
-}
-
-func pruneAryNulls(ary *partialArray) *partialArray {
-	newAry := []*lazyNode{}
-
-	for _, v := range *ary {
-		if v != nil {
-			pruneNulls(v)
-			newAry = append(newAry, v)
-		}
-	}
-
-	*ary = newAry
-
-	return ary
-}
-
-var errBadJSONDoc = fmt.Errorf("Invalid JSON Document")
-var errBadJSONPatch = fmt.Errorf("Invalid JSON Patch")
-var errBadMergeTypes = fmt.Errorf("Mismatched JSON Documents")
-
-// MergeMergePatches merges two merge patches together, such that
-// applying this resulting merged merge patch to a document yields the same
-// as merging each merge patch to the document in succession.
-func MergeMergePatches(patch1Data, patch2Data []byte) ([]byte, error) {
-	return doMergePatch(patch1Data, patch2Data, true)
-}
-
-// MergePatch merges the patchData into the docData.
-func MergePatch(docData, patchData []byte) ([]byte, error) {
-	return doMergePatch(docData, patchData, false)
-}
-
-func doMergePatch(docData, patchData []byte, mergeMerge bool) ([]byte, error) {
-	doc := &partialDoc{}
-
-	docErr := json.Unmarshal(docData, doc)
-
-	patch := &partialDoc{}
-
-	patchErr := json.Unmarshal(patchData, patch)
-
-	if _, ok := docErr.(*json.SyntaxError); ok {
-		return nil, errBadJSONDoc
-	}
-
-	if _, ok := patchErr.(*json.SyntaxError); ok {
-		return nil, errBadJSONPatch
-	}
-
-	if docErr == nil && *doc == nil {
-		return nil, errBadJSONDoc
-	}
-
-	if patchErr == nil && *patch == nil {
-		return nil, errBadJSONPatch
-	}
-
-	if docErr != nil || patchErr != nil {
-		// Not an error, just not a doc, so we turn straight into the patch
-		if patchErr == nil {
-			if mergeMerge {
-				doc = patch
-			} else {
-				doc = pruneDocNulls(patch)
-			}
-		} else {
-			patchAry := &partialArray{}
-			patchErr = json.Unmarshal(patchData, patchAry)
-
-			if patchErr != nil {
-				return nil, errBadJSONPatch
-			}
-
-			pruneAryNulls(patchAry)
-
-			out, patchErr := json.Marshal(patchAry)
-
-			if patchErr != nil {
-				return nil, errBadJSONPatch
-			}
-
-			return out, nil
-		}
-	} else {
-		mergeDocs(doc, patch, mergeMerge)
-	}
-
-	return json.Marshal(doc)
-}
-
-// resemblesJSONArray indicates whether the byte-slice "appears" to be
-// a JSON array or not.
-// False-positives are possible, as this function does not check the internal
-// structure of the array. It only checks that the outer syntax is present and
-// correct.
-func resemblesJSONArray(input []byte) bool {
-	input = bytes.TrimSpace(input)
-
-	hasPrefix := bytes.HasPrefix(input, []byte("["))
-	hasSuffix := bytes.HasSuffix(input, []byte("]"))
-
-	return hasPrefix && hasSuffix
-}
-
-// CreateMergePatch will return a merge patch document capable of converting
-// the original document(s) to the modified document(s).
-// The parameters can be bytes of either two JSON Documents, or two arrays of
-// JSON documents.
-// The merge patch returned follows the specification defined at http://tools.ietf.org/html/draft-ietf-appsawg-json-merge-patch-07
-func CreateMergePatch(originalJSON, modifiedJSON []byte) ([]byte, error) {
-	originalResemblesArray := resemblesJSONArray(originalJSON)
-	modifiedResemblesArray := resemblesJSONArray(modifiedJSON)
-
-	// Do both byte-slices seem like JSON arrays?
-	if originalResemblesArray && modifiedResemblesArray {
-		return createArrayMergePatch(originalJSON, modifiedJSON)
-	}
-
-	// Are both byte-slices are not arrays? Then they are likely JSON objects...
-	if !originalResemblesArray && !modifiedResemblesArray {
-		return createObjectMergePatch(originalJSON, modifiedJSON)
-	}
-
-	// None of the above? Then return an error because of mismatched types.
-	return nil, errBadMergeTypes
-}
-
-// createObjectMergePatch will return a merge-patch document capable of
-// converting the original document to the modified document.
-func createObjectMergePatch(originalJSON, modifiedJSON []byte) ([]byte, error) {
-	originalDoc := map[string]interface{}{}
-	modifiedDoc := map[string]interface{}{}
-
-	err := json.Unmarshal(originalJSON, &originalDoc)
-	if err != nil {
-		return nil, errBadJSONDoc
-	}
-
-	err = json.Unmarshal(modifiedJSON, &modifiedDoc)
-	if err != nil {
-		return nil, errBadJSONDoc
-	}
-
-	dest, err := getDiff(originalDoc, modifiedDoc)
-	if err != nil {
-		return nil, err
-	}
-
-	return json.Marshal(dest)
-}
-
-// createArrayMergePatch will return an array of merge-patch documents capable
-// of converting the original document to the modified document for each
-// pair of JSON documents provided in the arrays.
-// Arrays of mismatched sizes will result in an error.
-func createArrayMergePatch(originalJSON, modifiedJSON []byte) ([]byte, error) {
-	originalDocs := []json.RawMessage{}
-	modifiedDocs := []json.RawMessage{}
-
-	err := json.Unmarshal(originalJSON, &originalDocs)
-	if err != nil {
-		return nil, errBadJSONDoc
-	}
-
-	err = json.Unmarshal(modifiedJSON, &modifiedDocs)
-	if err != nil {
-		return nil, errBadJSONDoc
-	}
-
-	total := len(originalDocs)
-	if len(modifiedDocs) != total {
-		return nil, errBadJSONDoc
-	}
-
-	result := []json.RawMessage{}
-	for i := 0; i < len(originalDocs); i++ {
-		original := originalDocs[i]
-		modified := modifiedDocs[i]
-
-		patch, err := createObjectMergePatch(original, modified)
-		if err != nil {
-			return nil, err
-		}
-
-		result = append(result, json.RawMessage(patch))
-	}
-
-	return json.Marshal(result)
-}
-
-// Returns true if the array matches (must be json types).
-// As is idiomatic for go, an empty array is not the same as a nil array.
-func matchesArray(a, b []interface{}) bool {
-	if len(a) != len(b) {
-		return false
-	}
-	if (a == nil && b != nil) || (a != nil && b == nil) {
-		return false
-	}
-	for i := range a {
-		if !matchesValue(a[i], b[i]) {
-			return false
-		}
-	}
-	return true
-}
-
-// Returns true if the values matches (must be json types)
-// The types of the values must match, otherwise it will always return false
-// If two map[string]interface{} are given, all elements must match.
-func matchesValue(av, bv interface{}) bool {
-	if reflect.TypeOf(av) != reflect.TypeOf(bv) {
-		return false
-	}
-	switch at := av.(type) {
-	case string:
-		bt := bv.(string)
-		if bt == at {
-			return true
-		}
-	case float64:
-		bt := bv.(float64)
-		if bt == at {
-			return true
-		}
-	case bool:
-		bt := bv.(bool)
-		if bt == at {
-			return true
-		}
-	case nil:
-		// Both nil, fine.
-		return true
-	case map[string]interface{}:
-		bt := bv.(map[string]interface{})
-		if len(bt) != len(at) {
-			return false
-		}
-		for key := range bt {
-			av, aOK := at[key]
-			bv, bOK := bt[key]
-			if aOK != bOK {
-				return false
-			}
-			if !matchesValue(av, bv) {
-				return false
-			}
-		}
-		return true
-	case []interface{}:
-		bt := bv.([]interface{})
-		return matchesArray(at, bt)
-	}
-	return false
-}
-
-// getDiff returns the (recursive) difference between a and b as a map[string]interface{}.
-func getDiff(a, b map[string]interface{}) (map[string]interface{}, error) {
-	into := map[string]interface{}{}
-	for key, bv := range b {
-		av, ok := a[key]
-		// value was added
-		if !ok {
-			into[key] = bv
-			continue
-		}
-		// If types have changed, replace completely
-		if reflect.TypeOf(av) != reflect.TypeOf(bv) {
-			into[key] = bv
-			continue
-		}
-		// Types are the same, compare values
-		switch at := av.(type) {
-		case map[string]interface{}:
-			bt := bv.(map[string]interface{})
-			dst := make(map[string]interface{}, len(bt))
-			dst, err := getDiff(at, bt)
-			if err != nil {
-				return nil, err
-			}
-			if len(dst) > 0 {
-				into[key] = dst
-			}
-		case string, float64, bool:
-			if !matchesValue(av, bv) {
-				into[key] = bv
-			}
-		case []interface{}:
-			bt := bv.([]interface{})
-			if !matchesArray(at, bt) {
-				into[key] = bv
-			}
-		case nil:
-			switch bv.(type) {
-			case nil:
-				// Both nil, fine.
-			default:
-				into[key] = bv
-			}
-		default:
-			panic(fmt.Sprintf("Unknown type:%T in key %s", av, key))
-		}
-	}
-	// Now add all deleted values as nil
-	for key := range a {
-		_, found := b[key]
-		if !found {
-			into[key] = nil
-		}
-	}
-	return into, nil
-}
--- a/vendor/github.com/evanphx/json-patch/patch.go
+++ b/vendor/github.com/evanphx/json-patch/patch.go
@@ -1,784 +0,0 @@
-package jsonpatch
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"strconv"
-	"strings"
-
-	"github.com/pkg/errors"
-)
-
-const (
-	eRaw = iota
-	eDoc
-	eAry
-)
-
-var (
-	// SupportNegativeIndices decides whether to support non-standard practice of
-	// allowing negative indices to mean indices starting at the end of an array.
-	// Default to true.
-	SupportNegativeIndices bool = true
-	// AccumulatedCopySizeLimit limits the total size increase in bytes caused by
-	// "copy" operations in a patch.
-	AccumulatedCopySizeLimit int64 = 0
-)
-
-var (
-	ErrTestFailed   = errors.New("test failed")
-	ErrMissing      = errors.New("missing value")
-	ErrUnknownType  = errors.New("unknown object type")
-	ErrInvalid      = errors.New("invalid state detected")
-	ErrInvalidIndex = errors.New("invalid index referenced")
-)
-
-type lazyNode struct {
-	raw   *json.RawMessage
-	doc   partialDoc
-	ary   partialArray
-	which int
-}
-
-// Operation is a single JSON-Patch step, such as a single 'add' operation.
-type Operation map[string]*json.RawMessage
-
-// Patch is an ordered collection of Operations.
-type Patch []Operation
-
-type partialDoc map[string]*lazyNode
-type partialArray []*lazyNode
-
-type container interface {
-	get(key string) (*lazyNode, error)
-	set(key string, val *lazyNode) error
-	add(key string, val *lazyNode) error
-	remove(key string) error
-}
-
-func newLazyNode(raw *json.RawMessage) *lazyNode {
-	return &lazyNode{raw: raw, doc: nil, ary: nil, which: eRaw}
-}
-
-func (n *lazyNode) MarshalJSON() ([]byte, error) {
-	switch n.which {
-	case eRaw:
-		return json.Marshal(n.raw)
-	case eDoc:
-		return json.Marshal(n.doc)
-	case eAry:
-		return json.Marshal(n.ary)
-	default:
-		return nil, ErrUnknownType
-	}
-}
-
-func (n *lazyNode) UnmarshalJSON(data []byte) error {
-	dest := make(json.RawMessage, len(data))
-	copy(dest, data)
-	n.raw = &dest
-	n.which = eRaw
-	return nil
-}
-
-func deepCopy(src *lazyNode) (*lazyNode, int, error) {
-	if src == nil {
-		return nil, 0, nil
-	}
-	a, err := src.MarshalJSON()
-	if err != nil {
-		return nil, 0, err
-	}
-	sz := len(a)
-	ra := make(json.RawMessage, sz)
-	copy(ra, a)
-	return newLazyNode(&ra), sz, nil
-}
-
-func (n *lazyNode) intoDoc() (*partialDoc, error) {
-	if n.which == eDoc {
-		return &n.doc, nil
-	}
-
-	if n.raw == nil {
-		return nil, ErrInvalid
-	}
-
-	err := json.Unmarshal(*n.raw, &n.doc)
-
-	if err != nil {
-		return nil, err
-	}
-
-	n.which = eDoc
-	return &n.doc, nil
-}
-
-func (n *lazyNode) intoAry() (*partialArray, error) {
-	if n.which == eAry {
-		return &n.ary, nil
-	}
-
-	if n.raw == nil {
-		return nil, ErrInvalid
-	}
-
-	err := json.Unmarshal(*n.raw, &n.ary)
-
-	if err != nil {
-		return nil, err
-	}
-
-	n.which = eAry
-	return &n.ary, nil
-}
-
-func (n *lazyNode) compact() []byte {
-	buf := &bytes.Buffer{}
-
-	if n.raw == nil {
-		return nil
-	}
-
-	err := json.Compact(buf, *n.raw)
-
-	if err != nil {
-		return *n.raw
-	}
-
-	return buf.Bytes()
-}
-
-func (n *lazyNode) tryDoc() bool {
-	if n.raw == nil {
-		return false
-	}
-
-	err := json.Unmarshal(*n.raw, &n.doc)
-
-	if err != nil {
-		return false
-	}
-
-	n.which = eDoc
-	return true
-}
-
-func (n *lazyNode) tryAry() bool {
-	if n.raw == nil {
-		return false
-	}
-
-	err := json.Unmarshal(*n.raw, &n.ary)
-
-	if err != nil {
-		return false
-	}
-
-	n.which = eAry
-	return true
-}
-
-func (n *lazyNode) equal(o *lazyNode) bool {
-	if n.which == eRaw {
-		if !n.tryDoc() && !n.tryAry() {
-			if o.which != eRaw {
-				return false
-			}
-
-			return bytes.Equal(n.compact(), o.compact())
-		}
-	}
-
-	if n.which == eDoc {
-		if o.which == eRaw {
-			if !o.tryDoc() {
-				return false
-			}
-		}
-
-		if o.which != eDoc {
-			return false
-		}
-
-		if len(n.doc) != len(o.doc) {
-			return false
-		}
-
-		for k, v := range n.doc {
-			ov, ok := o.doc[k]
-
-			if !ok {
-				return false
-			}
-
-			if (v == nil) != (ov == nil) {
-				return false
-			}
-
-			if v == nil && ov == nil {
-				continue
-			}
-
-			if !v.equal(ov) {
-				return false
-			}
-		}
-
-		return true
-	}
-
-	if o.which != eAry && !o.tryAry() {
-		return false
-	}
-
-	if len(n.ary) != len(o.ary) {
-		return false
-	}
-
-	for idx, val := range n.ary {
-		if !val.equal(o.ary[idx]) {
-			return false
-		}
-	}
-
-	return true
-}
-
-// Kind reads the "op" field of the Operation.
-func (o Operation) Kind() string {
-	if obj, ok := o["op"]; ok && obj != nil {
-		var op string
-
-		err := json.Unmarshal(*obj, &op)
-
-		if err != nil {
-			return "unknown"
-		}
-
-		return op
-	}
-
-	return "unknown"
-}
-
-// Path reads the "path" field of the Operation.
-func (o Operation) Path() (string, error) {
-	if obj, ok := o["path"]; ok && obj != nil {
-		var op string
-
-		err := json.Unmarshal(*obj, &op)
-
-		if err != nil {
-			return "unknown", err
-		}
-
-		return op, nil
-	}
-
-	return "unknown", errors.Wrapf(ErrMissing, "operation missing path field")
-}
-
-// From reads the "from" field of the Operation.
-func (o Operation) From() (string, error) {
-	if obj, ok := o["from"]; ok && obj != nil {
-		var op string
-
-		err := json.Unmarshal(*obj, &op)
-
-		if err != nil {
-			return "unknown", err
-		}
-
-		return op, nil
-	}
-
-	return "unknown", errors.Wrapf(ErrMissing, "operation, missing from field")
-}
-
-func (o Operation) value() *lazyNode {
-	if obj, ok := o["value"]; ok {
-		return newLazyNode(obj)
-	}
-
-	return nil
-}
-
-// ValueInterface decodes the operation value into an interface.
-func (o Operation) ValueInterface() (interface{}, error) {
-	if obj, ok := o["value"]; ok && obj != nil {
-		var v interface{}
-
-		err := json.Unmarshal(*obj, &v)
-
-		if err != nil {
-			return nil, err
-		}
-
-		return v, nil
-	}
-
-	return nil, errors.Wrapf(ErrMissing, "operation, missing value field")
-}
-
-func isArray(buf []byte) bool {
-Loop:
-	for _, c := range buf {
-		switch c {
-		case ' ':
-		case '\n':
-		case '\t':
-			continue
-		case '[':
-			return true
-		default:
-			break Loop
-		}
-	}
-
-	return false
-}
-
-func findObject(pd *container, path string) (container, string) {
-	doc := *pd
-
-	split := strings.Split(path, "/")
-
-	if len(split) < 2 {
-		return nil, ""
-	}
-
-	parts := split[1 : len(split)-1]
-
-	key := split[len(split)-1]
-
-	var err error
-
-	for _, part := range parts {
-
-		next, ok := doc.get(decodePatchKey(part))
-
-		if next == nil || ok != nil {
-			return nil, ""
-		}
-
-		if isArray(*next.raw) {
-			doc, err = next.intoAry()
-
-			if err != nil {
-				return nil, ""
-			}
-		} else {
-			doc, err = next.intoDoc()
-
-			if err != nil {
-				return nil, ""
-			}
-		}
-	}
-
-	return doc, decodePatchKey(key)
-}
-
-func (d *partialDoc) set(key string, val *lazyNode) error {
-	(*d)[key] = val
-	return nil
-}
-
-func (d *partialDoc) add(key string, val *lazyNode) error {
-	(*d)[key] = val
-	return nil
-}
-
-func (d *partialDoc) get(key string) (*lazyNode, error) {
-	return (*d)[key], nil
-}
-
-func (d *partialDoc) remove(key string) error {
-	_, ok := (*d)[key]
-	if !ok {
-		return errors.Wrapf(ErrMissing, "Unable to remove nonexistent key: %s", key)
-	}
-
-	delete(*d, key)
-	return nil
-}
-
-// set should only be used to implement the "replace" operation, so "key" must
-// be an already existing index in "d".
-func (d *partialArray) set(key string, val *lazyNode) error {
-	idx, err := strconv.Atoi(key)
-	if err != nil {
-		return err
-	}
-	(*d)[idx] = val
-	return nil
-}
-
-func (d *partialArray) add(key string, val *lazyNode) error {
-	if key == "-" {
-		*d = append(*d, val)
-		return nil
-	}
-
-	idx, err := strconv.Atoi(key)
-	if err != nil {
-		return errors.Wrapf(err, "value was not a proper array index: '%s'", key)
-	}
-
-	sz := len(*d) + 1
-
-	ary := make([]*lazyNode, sz)
-
-	cur := *d
-
-	if idx >= len(ary) {
-		return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-	}
-
-	if idx < 0 {
-		if !SupportNegativeIndices {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-		}
-		if idx < -len(ary) {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-		}
-		idx += len(ary)
-	}
-
-	copy(ary[0:idx], cur[0:idx])
-	ary[idx] = val
-	copy(ary[idx+1:], cur[idx:])
-
-	*d = ary
-	return nil
-}
-
-func (d *partialArray) get(key string) (*lazyNode, error) {
-	idx, err := strconv.Atoi(key)
-
-	if err != nil {
-		return nil, err
-	}
-
-	if idx >= len(*d) {
-		return nil, errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-	}
-
-	return (*d)[idx], nil
-}
-
-func (d *partialArray) remove(key string) error {
-	idx, err := strconv.Atoi(key)
-	if err != nil {
-		return err
-	}
-
-	cur := *d
-
-	if idx >= len(cur) {
-		return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-	}
-
-	if idx < 0 {
-		if !SupportNegativeIndices {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-		}
-		if idx < -len(cur) {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-		}
-		idx += len(cur)
-	}
-
-	ary := make([]*lazyNode, len(cur)-1)
-
-	copy(ary[0:idx], cur[0:idx])
-	copy(ary[idx:], cur[idx+1:])
-
-	*d = ary
-	return nil
-
-}
-
-func (p Patch) add(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(ErrMissing, "add operation failed to decode path")
-	}
-
-	con, key := findObject(doc, path)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "add operation does not apply: doc is missing path: \"%s\"", path)
-	}
-
-	err = con.add(key, op.value())
-	if err != nil {
-		return errors.Wrapf(err, "error in add for path: '%s'", path)
-	}
-
-	return nil
-}
-
-func (p Patch) remove(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(ErrMissing, "remove operation failed to decode path")
-	}
-
-	con, key := findObject(doc, path)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "remove operation does not apply: doc is missing path: \"%s\"", path)
-	}
-
-	err = con.remove(key)
-	if err != nil {
-		return errors.Wrapf(err, "error in remove for path: '%s'", path)
-	}
-
-	return nil
-}
-
-func (p Patch) replace(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(err, "replace operation failed to decode path")
-	}
-
-	con, key := findObject(doc, path)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "replace operation does not apply: doc is missing path: %s", path)
-	}
-
-	_, ok := con.get(key)
-	if ok != nil {
-		return errors.Wrapf(ErrMissing, "replace operation does not apply: doc is missing key: %s", path)
-	}
-
-	err = con.set(key, op.value())
-	if err != nil {
-		return errors.Wrapf(err, "error in remove for path: '%s'", path)
-	}
-
-	return nil
-}
-
-func (p Patch) move(doc *container, op Operation) error {
-	from, err := op.From()
-	if err != nil {
-		return errors.Wrapf(err, "move operation failed to decode from")
-	}
-
-	con, key := findObject(doc, from)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "move operation does not apply: doc is missing from path: %s", from)
-	}
-
-	val, err := con.get(key)
-	if err != nil {
-		return errors.Wrapf(err, "error in move for path: '%s'", key)
-	}
-
-	err = con.remove(key)
-	if err != nil {
-		return errors.Wrapf(err, "error in move for path: '%s'", key)
-	}
-
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(err, "move operation failed to decode path")
-	}
-
-	con, key = findObject(doc, path)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "move operation does not apply: doc is missing destination path: %s", path)
-	}
-
-	err = con.add(key, val)
-	if err != nil {
-		return errors.Wrapf(err, "error in move for path: '%s'", path)
-	}
-
-	return nil
-}
-
-func (p Patch) test(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(err, "test operation failed to decode path")
-	}
-
-	con, key := findObject(doc, path)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "test operation does not apply: is missing path: %s", path)
-	}
-
-	val, err := con.get(key)
-	if err != nil {
-		return errors.Wrapf(err, "error in test for path: '%s'", path)
-	}
-
-	if val == nil {
-		if op.value().raw == nil {
-			return nil
-		}
-		return errors.Wrapf(ErrTestFailed, "testing value %s failed", path)
-	} else if op.value() == nil {
-		return errors.Wrapf(ErrTestFailed, "testing value %s failed", path)
-	}
-
-	if val.equal(op.value()) {
-		return nil
-	}
-
-	return errors.Wrapf(ErrTestFailed, "testing value %s failed", path)
-}
-
-func (p Patch) copy(doc *container, op Operation, accumulatedCopySize *int64) error {
-	from, err := op.From()
-	if err != nil {
-		return errors.Wrapf(err, "copy operation failed to decode from")
-	}
-
-	con, key := findObject(doc, from)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "copy operation does not apply: doc is missing from path: %s", from)
-	}
-
-	val, err := con.get(key)
-	if err != nil {
-		return errors.Wrapf(err, "error in copy for from: '%s'", from)
-	}
-
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(ErrMissing, "copy operation failed to decode path")
-	}
-
-	con, key = findObject(doc, path)
-
-	if con == nil {
-		return errors.Wrapf(ErrMissing, "copy operation does not apply: doc is missing destination path: %s", path)
-	}
-
-	valCopy, sz, err := deepCopy(val)
-	if err != nil {
-		return errors.Wrapf(err, "error while performing deep copy")
-	}
-
-	(*accumulatedCopySize) += int64(sz)
-	if AccumulatedCopySizeLimit > 0 && *accumulatedCopySize > AccumulatedCopySizeLimit {
-		return NewAccumulatedCopySizeError(AccumulatedCopySizeLimit, *accumulatedCopySize)
-	}
-
-	err = con.add(key, valCopy)
-	if err != nil {
-		return errors.Wrapf(err, "error while adding value during copy")
-	}
-
-	return nil
-}
-
-// Equal indicates if 2 JSON documents have the same structural equality.
-func Equal(a, b []byte) bool {
-	ra := make(json.RawMessage, len(a))
-	copy(ra, a)
-	la := newLazyNode(&ra)
-
-	rb := make(json.RawMessage, len(b))
-	copy(rb, b)
-	lb := newLazyNode(&rb)
-
-	return la.equal(lb)
-}
-
-// DecodePatch decodes the passed JSON document as an RFC 6902 patch.
-func DecodePatch(buf []byte) (Patch, error) {
-	var p Patch
-
-	err := json.Unmarshal(buf, &p)
-
-	if err != nil {
-		return nil, err
-	}
-
-	return p, nil
-}
-
-// Apply mutates a JSON document according to the patch, and returns the new
-// document.
-func (p Patch) Apply(doc []byte) ([]byte, error) {
-	return p.ApplyIndent(doc, "")
-}
-
-// ApplyIndent mutates a JSON document according to the patch, and returns the new
-// document indented.
-func (p Patch) ApplyIndent(doc []byte, indent string) ([]byte, error) {
-	var pd container
-	if doc[0] == '[' {
-		pd = &partialArray{}
-	} else {
-		pd = &partialDoc{}
-	}
-
-	err := json.Unmarshal(doc, pd)
-
-	if err != nil {
-		return nil, err
-	}
-
-	err = nil
-
-	var accumulatedCopySize int64
-
-	for _, op := range p {
-		switch op.Kind() {
-		case "add":
-			err = p.add(&pd, op)
-		case "remove":
-			err = p.remove(&pd, op)
-		case "replace":
-			err = p.replace(&pd, op)
-		case "move":
-			err = p.move(&pd, op)
-		case "test":
-			err = p.test(&pd, op)
-		case "copy":
-			err = p.copy(&pd, op, &accumulatedCopySize)
-		default:
-			err = fmt.Errorf("Unexpected kind: %s", op.Kind())
-		}
-
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	if indent != "" {
-		return json.MarshalIndent(pd, "", indent)
-	}
-
-	return json.Marshal(pd)
-}
-
-// From http://tools.ietf.org/html/rfc6901#section-4 :
-//
-// Evaluation of each reference token begins by decoding any escaped
-// character sequence.  This is performed by first transforming any
-// occurrence of the sequence '~1' to '/', and then transforming any
-// occurrence of the sequence '~0' to '~'.
-
-var (
-	rfc6901Decoder = strings.NewReplacer("~1", "/", "~0", "~")
-)
-
-func decodePatchKey(k string) string {
-	return rfc6901Decoder.Replace(k)
-}
--- a/vendor/github.com/go-logr/logr/LICENSE
+++ b/vendor/github.com/go-logr/logr/LICENSE
@@ -1,201 +0,0 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
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--- a/vendor/github.com/go-logr/logr/README.md
+++ b/vendor/github.com/go-logr/logr/README.md
@@ -1,181 +0,0 @@
-# A more minimal logging API for Go
-
-Before you consider this package, please read [this blog post by the
-inimitable Dave Cheney][warning-makes-no-sense].  I really appreciate what
-he has to say, and it largely aligns with my own experiences.  Too many
-choices of levels means inconsistent logs.
-
-This package offers a purely abstract interface, based on these ideas but with
-a few twists.  Code can depend on just this interface and have the actual
-logging implementation be injected from callers.  Ideally only `main()` knows
-what logging implementation is being used.
-
-# Differences from Dave's ideas
-
-The main differences are:
-
-1) Dave basically proposes doing away with the notion of a logging API in favor
-of `fmt.Printf()`.  I disagree, especially when you consider things like output
-locations, timestamps, file and line decorations, and structured logging.  I
-restrict the API to just 2 types of logs: info and error.
-
-Info logs are things you want to tell the user which are not errors.  Error
-logs are, well, errors.  If your code receives an `error` from a subordinate
-function call and is logging that `error` *and not returning it*, use error
-logs.
-
-2) Verbosity-levels on info logs.  This gives developers a chance to indicate
-arbitrary grades of importance for info logs, without assigning names with
-semantic meaning such as "warning", "trace", and "debug".  Superficially this
-may feel very similar, but the primary difference is the lack of semantics.
-Because verbosity is a numerical value, it's safe to assume that an app running
-with higher verbosity means more (and less important) logs will be generated.
-
-This is a BETA grade API.
-
-There are implementations for the following logging libraries:
-
- **github.com/google/glog**: [glogr](https://github.com/go-logr/glogr)
- **k8s.io/klog**: [klogr](https://git.k8s.io/klog/klogr)
- **go.uber.org/zap**: [zapr](https://github.com/go-logr/zapr)
- **log** (the Go standard library logger):
-  [stdr](https://github.com/go-logr/stdr)
- **github.com/sirupsen/logrus**: [logrusr](https://github.com/bombsimon/logrusr)
-
-# FAQ
-
-## Conceptual
-
-## Why structured logging?
-
- **Structured logs are more easily queriable**: Since you've got
-  key-value pairs, it's much easier to query your structured logs for
-  particular values by filtering on the contents of a particular key --
-  think searching request logs for error codes, Kubernetes reconcilers for
-  the name and namespace of the reconciled object, etc
-
- **Structured logging makes it easier to have cross-referencable logs**:
-  Similarly to searchability, if you maintain conventions around your
-  keys, it becomes easy to gather all log lines related to a particular
-  concept.
- 
- **Structured logs allow better dimensions of filtering**: if you have
-  structure to your logs, you've got more precise control over how much
-  information is logged -- you might choose in a particular configuration
-  to log certain keys but not others, only log lines where a certain key
-  matches a certain value, etc, instead of just having v-levels and names
-  to key off of.
-
- **Structured logs better represent structured data**: sometimes, the
-  data that you want to log is inherently structured (think tuple-link
-  objects).  Structured logs allow you to preserve that structure when
-  outputting.
-
-## Why V-levels?
-
-**V-levels give operators an easy way to control the chattiness of log
-operations**.  V-levels provide a way for a given package to distinguish
-the relative importance or verbosity of a given log message.  Then, if
-a particular logger or package is logging too many messages, the user
-of the package can simply change the v-levels for that library. 
-
-## Why not more named levels, like Warning?
-
-Read [Dave Cheney's post][warning-makes-no-sense].  Then read [Differences
-from Dave's ideas](#differences-from-daves-ideas).
-
-## Why not allow format strings, too?
-
-**Format strings negate many of the benefits of structured logs**:
-
- They're not easily searchable without resorting to fuzzy searching,
-  regular expressions, etc
-
- They don't store structured data well, since contents are flattened into
-  a string
-
- They're not cross-referencable
-
- They don't compress easily, since the message is not constant
-
-(unless you turn positional parameters into key-value pairs with numerical
-keys, at which point you've gotten key-value logging with meaningless
-keys)
-
-## Practical
-
-## Why key-value pairs, and not a map?
-
-Key-value pairs are *much* easier to optimize, especially around
-allocations.  Zap (a structured logger that inspired logr's interface) has
-[performance measurements](https://github.com/uber-go/zap#performance)
-that show this quite nicely.
-
-While the interface ends up being a little less obvious, you get
-potentially better performance, plus avoid making users type
-`map[string]string{}` every time they want to log.
-
-## What if my V-levels differ between libraries?
-
-That's fine.  Control your V-levels on a per-logger basis, and use the
-`WithName` function to pass different loggers to different libraries.
-
-Generally, you should take care to ensure that you have relatively
-consistent V-levels within a given logger, however, as this makes deciding
-on what verbosity of logs to request easier.
-
-## But I *really* want to use a format string!
-
-That's not actually a question.  Assuming your question is "how do
-I convert my mental model of logging with format strings to logging with
-constant messages":
-
-1. figure out what the error actually is, as you'd write in a TL;DR style,
-   and use that as a message
-
-2. For every place you'd write a format specifier, look to the word before
-   it, and add that as a key value pair
-
-For instance, consider the following examples (all taken from spots in the
-Kubernetes codebase):
-
- `klog.V(4).Infof("Client is returning errors: code %v, error %v",
-  responseCode, err)` becomes `logger.Error(err, "client returned an
-  error", "code", responseCode)`
-
- `klog.V(4).Infof("Got a Retry-After %ds response for attempt %d to %v",
-  seconds, retries, url)` becomes `logger.V(4).Info("got a retry-after
-  response when requesting url", "attempt", retries, "after
-  seconds", seconds, "url", url)`
-
-If you *really* must use a format string, place it as a key value, and
-call `fmt.Sprintf` yourself -- for instance, `log.Printf("unable to
-reflect over type %T")` becomes `logger.Info("unable to reflect over
-type", "type", fmt.Sprintf("%T"))`.  In general though, the cases where
-this is necessary should be few and far between.
-
-## How do I choose my V-levels?
-
-This is basically the only hard constraint: increase V-levels to denote
-more verbose or more debug-y logs.
-
-Otherwise, you can start out with `0` as "you always want to see this",
-`1` as "common logging that you might *possibly* want to turn off", and
-`10` as "I would like to performance-test your log collection stack".
-
-Then gradually choose levels in between as you need them, working your way
-down from 10 (for debug and trace style logs) and up from 1 (for chattier
-info-type logs).
-
-## How do I choose my keys
-
- make your keys human-readable
- constant keys are generally a good idea
- be consistent across your codebase
- keys should naturally match parts of the message string
-
-While key names are mostly unrestricted (and spaces are acceptable),
-it's generally a good idea to stick to printable ascii characters, or at
-least match the general character set of your log lines.
-
-[warning-makes-no-sense]: http://dave.cheney.net/2015/11/05/lets-talk-about-logging
--- a/vendor/github.com/go-logr/logr/go.mod
+++ b/vendor/github.com/go-logr/logr/go.mod
@@ -1,3 +0,0 @@
-module github.com/go-logr/logr
-
-go 1.14
--- a/vendor/github.com/go-logr/logr/logr.go
+++ b/vendor/github.com/go-logr/logr/logr.go
@@ -1,178 +0,0 @@
-/*
-Copyright 2019 The logr Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// Package logr defines abstract interfaces for logging.  Packages can depend on
-// these interfaces and callers can implement logging in whatever way is
-// appropriate.
-//
-// This design derives from Dave Cheney's blog:
-//     http://dave.cheney.net/2015/11/05/lets-talk-about-logging
-//
-// This is a BETA grade API.  Until there is a significant 2nd implementation,
-// I don't really know how it will change.
-//
-// The logging specifically makes it non-trivial to use format strings, to encourage
-// attaching structured information instead of unstructured format strings.
-//
-// Usage
-//
-// Logging is done using a Logger.  Loggers can have name prefixes and named
-// values attached, so that all log messages logged with that Logger have some
-// base context associated.
-//
-// The term "key" is used to refer to the name associated with a particular
-// value, to disambiguate it from the general Logger name.
-//
-// For instance, suppose we're trying to reconcile the state of an object, and
-// we want to log that we've made some decision.
-//
-// With the traditional log package, we might write:
-//  log.Printf(
-//      "decided to set field foo to value %q for object %s/%s",
-//       targetValue, object.Namespace, object.Name)
-//
-// With logr's structured logging, we'd write:
-//  // elsewhere in the file, set up the logger to log with the prefix of "reconcilers",
-//  // and the named value target-type=Foo, for extra context.
-//  log := mainLogger.WithName("reconcilers").WithValues("target-type", "Foo")
-//
-//  // later on...
-//  log.Info("setting field foo on object", "value", targetValue, "object", object)
-//
-// Depending on our logging implementation, we could then make logging decisions
-// based on field values (like only logging such events for objects in a certain
-// namespace), or copy the structured information into a structured log store.
-//
-// For logging errors, Logger has a method called Error.  Suppose we wanted to
-// log an error while reconciling.  With the traditional log package, we might
-// write:
-//   log.Errorf("unable to reconcile object %s/%s: %v", object.Namespace, object.Name, err)
-//
-// With logr, we'd instead write:
-//   // assuming the above setup for log
-//   log.Error(err, "unable to reconcile object", "object", object)
-//
-// This functions similarly to:
-//   log.Info("unable to reconcile object", "error", err, "object", object)
-//
-// However, it ensures that a standard key for the error value ("error") is used
-// across all error logging.  Furthermore, certain implementations may choose to
-// attach additional information (such as stack traces) on calls to Error, so
-// it's preferred to use Error to log errors.
-//
-// Parts of a log line
-//
-// Each log message from a Logger has four types of context:
-// logger name, log verbosity, log message, and the named values.
-//
-// The Logger name constists of a series of name "segments" added by successive
-// calls to WithName.  These name segments will be joined in some way by the
-// underlying implementation.  It is strongly reccomended that name segements
-// contain simple identifiers (letters, digits, and hyphen), and do not contain
-// characters that could muddle the log output or confuse the joining operation
-// (e.g.  whitespace, commas, periods, slashes, brackets, quotes, etc).
-//
-// Log verbosity represents how little a log matters.  Level zero, the default,
-// matters most.  Increasing levels matter less and less.  Try to avoid lots of
-// different verbosity levels, and instead provide useful keys, logger names,
-// and log messages for users to filter on.  It's illegal to pass a log level
-// below zero.
-//
-// The log message consists of a constant message attached to the the log line.
-// This should generally be a simple description of what's occuring, and should
-// never be a format string.
-//
-// Variable information can then be attached using named values (key/value
-// pairs).  Keys are arbitrary strings, while values may be any Go value.
-//
-// Key Naming Conventions
-//
-// Keys are not strictly required to conform to any specification or regex, but
-// it is recommended that they:
-//   * be human-readable and meaningful (not auto-generated or simple ordinals)
-//   * be constant (not dependent on input data)
-//   * contain only printable characters
-//   * not contain whitespace or punctuation
-//
-// These guidelines help ensure that log data is processed properly regardless
-// of the log implementation.  For example, log implementations will try to
-// output JSON data or will store data for later database (e.g. SQL) queries.
-//
-// While users are generally free to use key names of their choice, it's
-// generally best to avoid using the following keys, as they're frequently used
-// by implementations:
-//
-// - `"caller"`: the calling information (file/line) of a particular log line.
-// - `"error"`: the underlying error value in the `Error` method.
-// - `"level"`: the log level.
-// - `"logger"`: the name of the associated logger.
-// - `"msg"`: the log message.
-// - `"stacktrace"`: the stack trace associated with a particular log line or
-//                   error (often from the `Error` message).
-// - `"ts"`: the timestamp for a log line.
-//
-// Implementations are encouraged to make use of these keys to represent the
-// above concepts, when neccessary (for example, in a pure-JSON output form, it
-// would be necessary to represent at least message and timestamp as ordinary
-// named values).
-package logr
-
-// TODO: consider adding back in format strings if they're really needed
-// TODO: consider other bits of zap/zapcore functionality like ObjectMarshaller (for arbitrary objects)
-// TODO: consider other bits of glog functionality like Flush, InfoDepth, OutputStats
-
-// Logger represents the ability to log messages, both errors and not.
-type Logger interface {
-	// Enabled tests whether this Logger is enabled.  For example, commandline
-	// flags might be used to set the logging verbosity and disable some info
-	// logs.
-	Enabled() bool
-
-	// Info logs a non-error message with the given key/value pairs as context.
-	//
-	// The msg argument should be used to add some constant description to
-	// the log line.  The key/value pairs can then be used to add additional
-	// variable information.  The key/value pairs should alternate string
-	// keys and arbitrary values.
-	Info(msg string, keysAndValues ...interface{})
-
-	// Error logs an error, with the given message and key/value pairs as context.
-	// It functions similarly to calling Info with the "error" named value, but may
-	// have unique behavior, and should be preferred for logging errors (see the
-	// package documentations for more information).
-	//
-	// The msg field should be used to add context to any underlying error,
-	// while the err field should be used to attach the actual error that
-	// triggered this log line, if present.
-	Error(err error, msg string, keysAndValues ...interface{})
-
-	// V returns an Logger value for a specific verbosity level, relative to
-	// this Logger.  In other words, V values are additive.  V higher verbosity
-	// level means a log message is less important.  It's illegal to pass a log
-	// level less than zero.
-	V(level int) Logger
-
-	// WithValues adds some key-value pairs of context to a logger.
-	// See Info for documentation on how key/value pairs work.
-	WithValues(keysAndValues ...interface{}) Logger
-
-	// WithName adds a new element to the logger's name.
-	// Successive calls with WithName continue to append
-	// suffixes to the logger's name.  It's strongly reccomended
-	// that name segments contain only letters, digits, and hyphens
-	// (see the package documentation for more information).
-	WithName(name string) Logger
-}
--- a/vendor/github.com/gogo/protobuf/AUTHORS
+++ b/vendor/github.com/gogo/protobuf/AUTHORS
@@ -1,15 +0,0 @@
-# This is the official list of GoGo authors for copyright purposes.
-# This file is distinct from the CONTRIBUTORS file, which
-# lists people.  For example, employees are listed in CONTRIBUTORS,
-# but not in AUTHORS, because the employer holds the copyright.
-
-# Names should be added to this file as one of
-#     Organization's name
-#     Individual's name <submission email address>
-#     Individual's name <submission email address> <email2> <emailN>
-
-# Please keep the list sorted.
-
-Sendgrid, Inc
-Vastech SA (PTY) LTD
-Walter Schulze <awalterschulze@gmail.com>
--- a/vendor/github.com/gogo/protobuf/CONTRIBUTORS
+++ b/vendor/github.com/gogo/protobuf/CONTRIBUTORS
@@ -1,23 +0,0 @@
-Anton Povarov <anton.povarov@gmail.com>
-Brian Goff <cpuguy83@gmail.com>
-Clayton Coleman <ccoleman@redhat.com>
-Denis Smirnov <denis.smirnov.91@gmail.com>
-DongYun Kang <ceram1000@gmail.com>
-Dwayne Schultz <dschultz@pivotal.io>
-Georg Apitz <gapitz@pivotal.io>
-Gustav Paul <gustav.paul@gmail.com>
-Johan Brandhorst <johan.brandhorst@gmail.com>
-John Shahid <jvshahid@gmail.com>
-John Tuley <john@tuley.org>
-Laurent <laurent@adyoulike.com>
-Patrick Lee <patrick@dropbox.com>
-Peter Edge <peter.edge@gmail.com>
-Roger Johansson <rogeralsing@gmail.com>
-Sam Nguyen <sam.nguyen@sendgrid.com>
-Sergio Arbeo <serabe@gmail.com>
-Stephen J Day <stephen.day@docker.com>
-Tamir Duberstein <tamird@gmail.com>
-Todd Eisenberger <teisenberger@dropbox.com>
-Tormod Erevik Lea <tormodlea@gmail.com>
-Vyacheslav Kim <kane@sendgrid.com>
-Walter Schulze <awalterschulze@gmail.com>
--- a/vendor/github.com/gogo/protobuf/LICENSE
+++ b/vendor/github.com/gogo/protobuf/LICENSE
@@ -1,35 +0,0 @@
-Copyright (c) 2013, The GoGo Authors. All rights reserved.
-
-Protocol Buffers for Go with Gadgets
-
-Go support for Protocol Buffers - Google's data interchange format
-
-Copyright 2010 The Go Authors.  All rights reserved.
-https://github.com/golang/protobuf
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-    * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
--- a/vendor/github.com/gogo/protobuf/proto/Makefile
+++ b/vendor/github.com/gogo/protobuf/proto/Makefile
@@ -1,43 +0,0 @@
-# Go support for Protocol Buffers - Google's data interchange format
-#
-# Copyright 2010 The Go Authors.  All rights reserved.
-# https://github.com/golang/protobuf
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-install:
-	go install
-
-test: install generate-test-pbs
-	go test
-
-
-generate-test-pbs:
-	make install
-	make -C test_proto
-	make -C proto3_proto
-	make
--- a/vendor/github.com/gogo/protobuf/proto/clone.go
+++ b/vendor/github.com/gogo/protobuf/proto/clone.go
@@ -1,258 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2011 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Protocol buffer deep copy and merge.
-// TODO: RawMessage.
-
-package proto
-
-import (
-	"fmt"
-	"log"
-	"reflect"
-	"strings"
-)
-
-// Clone returns a deep copy of a protocol buffer.
-func Clone(src Message) Message {
-	in := reflect.ValueOf(src)
-	if in.IsNil() {
-		return src
-	}
-	out := reflect.New(in.Type().Elem())
-	dst := out.Interface().(Message)
-	Merge(dst, src)
-	return dst
-}
-
-// Merger is the interface representing objects that can merge messages of the same type.
-type Merger interface {
-	// Merge merges src into this message.
-	// Required and optional fields that are set in src will be set to that value in dst.
-	// Elements of repeated fields will be appended.
-	//
-	// Merge may panic if called with a different argument type than the receiver.
-	Merge(src Message)
-}
-
-// generatedMerger is the custom merge method that generated protos will have.
-// We must add this method since a generate Merge method will conflict with
-// many existing protos that have a Merge data field already defined.
-type generatedMerger interface {
-	XXX_Merge(src Message)
-}
-
-// Merge merges src into dst.
-// Required and optional fields that are set in src will be set to that value in dst.
-// Elements of repeated fields will be appended.
-// Merge panics if src and dst are not the same type, or if dst is nil.
-func Merge(dst, src Message) {
-	if m, ok := dst.(Merger); ok {
-		m.Merge(src)
-		return
-	}
-
-	in := reflect.ValueOf(src)
-	out := reflect.ValueOf(dst)
-	if out.IsNil() {
-		panic("proto: nil destination")
-	}
-	if in.Type() != out.Type() {
-		panic(fmt.Sprintf("proto.Merge(%T, %T) type mismatch", dst, src))
-	}
-	if in.IsNil() {
-		return // Merge from nil src is a noop
-	}
-	if m, ok := dst.(generatedMerger); ok {
-		m.XXX_Merge(src)
-		return
-	}
-	mergeStruct(out.Elem(), in.Elem())
-}
-
-func mergeStruct(out, in reflect.Value) {
-	sprop := GetProperties(in.Type())
-	for i := 0; i < in.NumField(); i++ {
-		f := in.Type().Field(i)
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-		mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i])
-	}
-
-	if emIn, ok := in.Addr().Interface().(extensionsBytes); ok {
-		emOut := out.Addr().Interface().(extensionsBytes)
-		bIn := emIn.GetExtensions()
-		bOut := emOut.GetExtensions()
-		*bOut = append(*bOut, *bIn...)
-	} else if emIn, err := extendable(in.Addr().Interface()); err == nil {
-		emOut, _ := extendable(out.Addr().Interface())
-		mIn, muIn := emIn.extensionsRead()
-		if mIn != nil {
-			mOut := emOut.extensionsWrite()
-			muIn.Lock()
-			mergeExtension(mOut, mIn)
-			muIn.Unlock()
-		}
-	}
-
-	uf := in.FieldByName("XXX_unrecognized")
-	if !uf.IsValid() {
-		return
-	}
-	uin := uf.Bytes()
-	if len(uin) > 0 {
-		out.FieldByName("XXX_unrecognized").SetBytes(append([]byte(nil), uin...))
-	}
-}
-
-// mergeAny performs a merge between two values of the same type.
-// viaPtr indicates whether the values were indirected through a pointer (implying proto2).
-// prop is set if this is a struct field (it may be nil).
-func mergeAny(out, in reflect.Value, viaPtr bool, prop *Properties) {
-	if in.Type() == protoMessageType {
-		if !in.IsNil() {
-			if out.IsNil() {
-				out.Set(reflect.ValueOf(Clone(in.Interface().(Message))))
-			} else {
-				Merge(out.Interface().(Message), in.Interface().(Message))
-			}
-		}
-		return
-	}
-	switch in.Kind() {
-	case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
-		reflect.String, reflect.Uint32, reflect.Uint64:
-		if !viaPtr && isProto3Zero(in) {
-			return
-		}
-		out.Set(in)
-	case reflect.Interface:
-		// Probably a oneof field; copy non-nil values.
-		if in.IsNil() {
-			return
-		}
-		// Allocate destination if it is not set, or set to a different type.
-		// Otherwise we will merge as normal.
-		if out.IsNil() || out.Elem().Type() != in.Elem().Type() {
-			out.Set(reflect.New(in.Elem().Elem().Type())) // interface -> *T -> T -> new(T)
-		}
-		mergeAny(out.Elem(), in.Elem(), false, nil)
-	case reflect.Map:
-		if in.Len() == 0 {
-			return
-		}
-		if out.IsNil() {
-			out.Set(reflect.MakeMap(in.Type()))
-		}
-		// For maps with value types of *T or []byte we need to deep copy each value.
-		elemKind := in.Type().Elem().Kind()
-		for _, key := range in.MapKeys() {
-			var val reflect.Value
-			switch elemKind {
-			case reflect.Ptr:
-				val = reflect.New(in.Type().Elem().Elem())
-				mergeAny(val, in.MapIndex(key), false, nil)
-			case reflect.Slice:
-				val = in.MapIndex(key)
-				val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
-			default:
-				val = in.MapIndex(key)
-			}
-			out.SetMapIndex(key, val)
-		}
-	case reflect.Ptr:
-		if in.IsNil() {
-			return
-		}
-		if out.IsNil() {
-			out.Set(reflect.New(in.Elem().Type()))
-		}
-		mergeAny(out.Elem(), in.Elem(), true, nil)
-	case reflect.Slice:
-		if in.IsNil() {
-			return
-		}
-		if in.Type().Elem().Kind() == reflect.Uint8 {
-			// []byte is a scalar bytes field, not a repeated field.
-
-			// Edge case: if this is in a proto3 message, a zero length
-			// bytes field is considered the zero value, and should not
-			// be merged.
-			if prop != nil && prop.proto3 && in.Len() == 0 {
-				return
-			}
-
-			// Make a deep copy.
-			// Append to []byte{} instead of []byte(nil) so that we never end up
-			// with a nil result.
-			out.SetBytes(append([]byte{}, in.Bytes()...))
-			return
-		}
-		n := in.Len()
-		if out.IsNil() {
-			out.Set(reflect.MakeSlice(in.Type(), 0, n))
-		}
-		switch in.Type().Elem().Kind() {
-		case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
-			reflect.String, reflect.Uint32, reflect.Uint64:
-			out.Set(reflect.AppendSlice(out, in))
-		default:
-			for i := 0; i < n; i++ {
-				x := reflect.Indirect(reflect.New(in.Type().Elem()))
-				mergeAny(x, in.Index(i), false, nil)
-				out.Set(reflect.Append(out, x))
-			}
-		}
-	case reflect.Struct:
-		mergeStruct(out, in)
-	default:
-		// unknown type, so not a protocol buffer
-		log.Printf("proto: don't know how to copy %v", in)
-	}
-}
-
-func mergeExtension(out, in map[int32]Extension) {
-	for extNum, eIn := range in {
-		eOut := Extension{desc: eIn.desc}
-		if eIn.value != nil {
-			v := reflect.New(reflect.TypeOf(eIn.value)).Elem()
-			mergeAny(v, reflect.ValueOf(eIn.value), false, nil)
-			eOut.value = v.Interface()
-		}
-		if eIn.enc != nil {
-			eOut.enc = make([]byte, len(eIn.enc))
-			copy(eOut.enc, eIn.enc)
-		}
-
-		out[extNum] = eOut
-	}
-}
--- a/Show More
+++ b/Show More