Merge pull request #100 from bloomberg/v3.1.0

Bump up to v3.1.0
2026-02-17 03:19:51 +00:00 · 2021-03-12 11:22:11 +00:00 · 2021-03-12 11:07:55 +00:00 · 2021-03-12 11:05:36 +00:00 · 2020-11-23 14:01:25 -08:00 · 2020-07-22 18:51:09 +01:00
53 changed files with 1176 additions and 1177 deletions
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,22 +4,20 @@ services:
  - docker

 go:
-  - "1.10.x"
+  - "1.14.x"
  - master

 script:
  - docker --version
-  # dep
-  - go get -u github.com/golang/dep/cmd/dep
-  
+
  # build locally and run locally
  - make clean && make vendor && make && ./bin/goldpinger --help
-  
+
  # build an image and run the image
  - make clean && make vendor && make build
  - docker images
  - docker run `make version` --help
-  
+
  # build an image using the multistage builder
  - make clean && make build-multistage
  - docker images
@@ -36,5 +34,5 @@ deploy:
  skip_cleanup: true
  on:
    tags: true
-    go: "1.10.x"
+    go: "1.14.x"
    condition: -n "$DOCKER_PASSWORD"
--- a/13
+++ b/13
@@ -1,15 +1,14 @@
-FROM golang:1.11-alpine as builder
+FROM golang:1.14-alpine as builder

 # Install our build tools

 RUN apk add --update git make bash
-RUN go get -u github.com/golang/dep/cmd/dep

 # Get dependencies

-WORKDIR /go/src/github.com/bloomberg/goldpinger
-COPY Gopkg.toml Gopkg.lock Makefile ./
-RUN make vendor
+WORKDIR /w
+COPY go.mod go.sum /w/
+RUN go mod download

 # Build goldpinger

@@ -19,6 +18,6 @@ RUN make bin/goldpinger
 # Build the asset container, copy over goldpinger

 FROM scratch
-COPY --from=builder /go/src/github.com/bloomberg/goldpinger/bin/goldpinger /goldpinger
+COPY --from=builder /w/bin/goldpinger /goldpinger
 COPY ./static /static
-ENTRYPOINT ["/goldpinger", "--static-file-path", "/static"]
+ENTRYPOINT ["/goldpinger", "--static-file-path", "/static"]
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -1,670 +0,0 @@
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-  revision = "4a4468ece617fc8205e99368fa2200e9d1fad421"
-  version = "v1.3.0"
-
-[[projects]]
-  digest = "1:ef72505cf098abdd34efeea032103377bec06abb61d8a06f002d5d296a4b1185"
-  name = "gopkg.in/inf.v0"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4"
-  version = "v0.9.0"
-
-[[projects]]
-  digest = "1:342378ac4dcb378a5448dd723f0784ae519383532f5e70ade24132c4c8693202"
-  name = "gopkg.in/yaml.v2"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "5420a8b6744d3b0345ab293f6fcba19c978f1183"
-  version = "v2.2.1"
-
-[[projects]]
-  digest = "1:910ec974550174f4ca48b9f4a3caec16b693e584c3762dc726dc0dcf28f8e318"
-  name = "k8s.io/api"
-  packages = [
-    "admissionregistration/v1alpha1",
-    "admissionregistration/v1beta1",
-    "apps/v1",
-    "apps/v1beta1",
-    "apps/v1beta2",
-    "authentication/v1",
-    "authentication/v1beta1",
-    "authorization/v1",
-    "authorization/v1beta1",
-    "autoscaling/v1",
-    "autoscaling/v2beta1",
-    "autoscaling/v2beta2",
-    "batch/v1",
-    "batch/v1beta1",
-    "batch/v2alpha1",
-    "certificates/v1beta1",
-    "coordination/v1beta1",
-    "core/v1",
-    "events/v1beta1",
-    "extensions/v1beta1",
-    "networking/v1",
-    "policy/v1beta1",
-    "rbac/v1",
-    "rbac/v1alpha1",
-    "rbac/v1beta1",
-    "scheduling/v1alpha1",
-    "scheduling/v1beta1",
-    "settings/v1alpha1",
-    "storage/v1",
-    "storage/v1alpha1",
-    "storage/v1beta1",
-  ]
-  pruneopts = "UT"
-  revision = "fd83cbc87e7632ccd8bbab63d2b673d4e0c631cc"
-  version = "kubernetes-1.12.0"
-
-[[projects]]
-  digest = "1:18f352651d6e8578fdbaf29c68334b042439b288b8ae4112c2b2ba9a6e35ced0"
-  name = "k8s.io/apimachinery"
-  packages = [
-    "pkg/api/errors",
-    "pkg/api/meta",
-    "pkg/api/resource",
-    "pkg/apis/meta/v1",
-    "pkg/apis/meta/v1/unstructured",
-    "pkg/apis/meta/v1beta1",
-    "pkg/conversion",
-    "pkg/conversion/queryparams",
-    "pkg/fields",
-    "pkg/labels",
-    "pkg/runtime",
-    "pkg/runtime/schema",
-    "pkg/runtime/serializer",
-    "pkg/runtime/serializer/json",
-    "pkg/runtime/serializer/protobuf",
-    "pkg/runtime/serializer/recognizer",
-    "pkg/runtime/serializer/streaming",
-    "pkg/runtime/serializer/versioning",
-    "pkg/selection",
-    "pkg/types",
-    "pkg/util/clock",
-    "pkg/util/errors",
-    "pkg/util/framer",
-    "pkg/util/intstr",
-    "pkg/util/json",
-    "pkg/util/naming",
-    "pkg/util/net",
-    "pkg/util/runtime",
-    "pkg/util/sets",
-    "pkg/util/validation",
-    "pkg/util/validation/field",
-    "pkg/util/yaml",
-    "pkg/version",
-    "pkg/watch",
-    "third_party/forked/golang/reflect",
-  ]
-  pruneopts = "UT"
-  revision = "6dd46049f39503a1fc8d65de4bd566829e95faff"
-  version = "kubernetes-1.12.0"
-
-[[projects]]
-  digest = "1:51fd9ac9f2be10d79f5af101a7a1d758ef283fdb028a0d11198754bd3d4a6020"
-  name = "k8s.io/client-go"
-  packages = [
-    "discovery",
-    "kubernetes",
-    "kubernetes/scheme",
-    "kubernetes/typed/admissionregistration/v1alpha1",
-    "kubernetes/typed/admissionregistration/v1beta1",
-    "kubernetes/typed/apps/v1",
-    "kubernetes/typed/apps/v1beta1",
-    "kubernetes/typed/apps/v1beta2",
-    "kubernetes/typed/authentication/v1",
-    "kubernetes/typed/authentication/v1beta1",
-    "kubernetes/typed/authorization/v1",
-    "kubernetes/typed/authorization/v1beta1",
-    "kubernetes/typed/autoscaling/v1",
-    "kubernetes/typed/autoscaling/v2beta1",
-    "kubernetes/typed/autoscaling/v2beta2",
-    "kubernetes/typed/batch/v1",
-    "kubernetes/typed/batch/v1beta1",
-    "kubernetes/typed/batch/v2alpha1",
-    "kubernetes/typed/certificates/v1beta1",
-    "kubernetes/typed/coordination/v1beta1",
-    "kubernetes/typed/core/v1",
-    "kubernetes/typed/events/v1beta1",
-    "kubernetes/typed/extensions/v1beta1",
-    "kubernetes/typed/networking/v1",
-    "kubernetes/typed/policy/v1beta1",
-    "kubernetes/typed/rbac/v1",
-    "kubernetes/typed/rbac/v1alpha1",
-    "kubernetes/typed/rbac/v1beta1",
-    "kubernetes/typed/scheduling/v1alpha1",
-    "kubernetes/typed/scheduling/v1beta1",
-    "kubernetes/typed/settings/v1alpha1",
-    "kubernetes/typed/storage/v1",
-    "kubernetes/typed/storage/v1alpha1",
-    "kubernetes/typed/storage/v1beta1",
-    "pkg/apis/clientauthentication",
-    "pkg/apis/clientauthentication/v1alpha1",
-    "pkg/apis/clientauthentication/v1beta1",
-    "pkg/version",
-    "plugin/pkg/client/auth/exec",
-    "rest",
-    "rest/watch",
-    "tools/auth",
-    "tools/clientcmd",
-    "tools/clientcmd/api",
-    "tools/clientcmd/api/latest",
-    "tools/clientcmd/api/v1",
-    "tools/metrics",
-    "tools/reference",
-    "transport",
-    "util/cert",
-    "util/connrotation",
-    "util/flowcontrol",
-    "util/homedir",
-    "util/integer",
-  ]
-  pruneopts = "UT"
-  revision = "1638f8970cefaa404ff3a62950f88b08292b2696"
-  version = "v9.0.0"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  input-imports = [
-    "github.com/cespare/xxhash",
-    "github.com/go-openapi/errors",
-    "github.com/go-openapi/loads",
-    "github.com/go-openapi/runtime",
-    "github.com/go-openapi/runtime/client",
-    "github.com/go-openapi/runtime/flagext",
-    "github.com/go-openapi/runtime/middleware",
-    "github.com/go-openapi/runtime/security",
-    "github.com/go-openapi/spec",
-    "github.com/go-openapi/strfmt",
-    "github.com/go-openapi/swag",
-    "github.com/go-openapi/validate",
-    "github.com/jessevdk/go-flags",
-    "github.com/prometheus/client_golang/prometheus",
-    "github.com/prometheus/client_golang/prometheus/promhttp",
-    "github.com/stuartnelson3/go-rendezvous",
-    "golang.org/x/image/font",
-    "golang.org/x/image/font/basicfont",
-    "golang.org/x/image/math/fixed",
-    "golang.org/x/net/netutil",
-    "k8s.io/apimachinery/pkg/apis/meta/v1",
-    "k8s.io/client-go/kubernetes",
-    "k8s.io/client-go/rest",
-    "k8s.io/client-go/tools/clientcmd",
-  ]
-  solver-name = "gps-cdcl"
-  solver-version = 1
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -1,82 +0,0 @@
-# Gopkg.toml example
-#
-# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-# [prune]
-#   non-go = false
-#   go-tests = true
-#   unused-packages = true
-
-
-[[constraint]]
-  name = "github.com/go-openapi/errors"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/go-openapi/loads"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/go-openapi/runtime"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/go-openapi/spec"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/go-openapi/strfmt"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/go-openapi/swag"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/go-openapi/validate"
-  version = "0.17.2"
-
-[[constraint]]
-  name = "github.com/jessevdk/go-flags"
-  version = "1.4.0"
-
-[[constraint]]
-  name = "github.com/prometheus/client_golang"
-  version = "0.9.1"
-
-[[constraint]]
-  branch = "master"
-  name = "golang.org/x/net"
-
-[[constraint]]
-  name = "k8s.io/apimachinery"
-  version = "kubernetes-1.12.0"
-
-[[constraint]]
-  name = "k8s.io/client-go"
-  version = "9.0.0"
-
-[[constraint]]
-  name = "github.com/stuartnelson3/go-rendezvous"
-  version = "0.2.0"
-
-[prune]
-  go-tests = true
-  unused-packages = true
--- a/5
+++ b/5
@@ -1,5 +1,5 @@
 name ?= goldpinger
-version ?= 2.0.2
+version ?= v3.1.0
 bin ?= goldpinger
 pkg ?= "github.com/bloomberg/goldpinger"
 tag = $(name):$(version)
@@ -17,8 +17,9 @@ clean:

 vendor:
 	rm -rf ./vendor
-	dep ensure -v -vendor-only
+	go mod vendor

+# Download the latest swagger releases from: https://github.com/go-swagger/go-swagger/releases/
 swagger:
 	swagger generate server -t pkg -f ./swagger.yml --exclude-main -A goldpinger && \
 	swagger generate client -t pkg -f ./swagger.yml -A goldpinger
--- a/README.md
+++ b/README.md
@@ -1,16 +1,19 @@
-# Goldpinger [![Build Status](https://travis-ci.com/bloomberg/goldpinger.svg?branch=master)](https://travis-ci.com/bloomberg/goldpinger)
+# Goldpinger

-__Goldpinger__ makes calls between its instances for visibility and alerting.
-It runs as a `DaemonSet` on `Kubernetes` and produces `Prometheus` metrics that can be scraped, visualised and alerted on.
+[![Build Status](https://travis-ci.com/bloomberg/goldpinger.svg?branch=master)](https://travis-ci.com/bloomberg/goldpinger)
+
+__Goldpinger__ makes calls between its instances to monitor your networking.
+It runs as a [`DaemonSet`](#example-yaml) on `Kubernetes` and produces `Prometheus` metrics that can be [scraped](#prometheus), [visualised](#grafana) and [alerted](#alert-manager) on.

 Oh, and it gives you the graph below for your cluster. Check out the [video explainer](https://youtu.be/DSFxRz_0TU4).

 ![](./extras/screenshot.png)

+[:tada: 1M+ pulls from docker hub!](https://hub.docker.com/r/bloomberg/goldpinger/tags)

 ## On the menu

- [Goldpinger ![Build Status](https://travis-ci.com/bloomberg/goldpinger)](#goldpinger-build-statushttpstravis-cicombloomberggoldpinger)
+- [Goldpinger](#goldpinger)
  - [On the menu](#on-the-menu)
  - [Rationale](#rationale)
  - [Quick start](#quick-start)
@@ -27,6 +30,8 @@ Oh, and it gives you the graph below for your cluster. Check out the [video expl
    - [Prometheus](#prometheus)
    - [Grafana](#grafana)
    - [Alert Manager](#alert-manager)
+    - [Chaos Engineering](#chaos-engineering)
+  - [Authors](#authors)
  - [Contributions](#contributions)
  - [License](#license)

@@ -34,11 +39,10 @@ Oh, and it gives you the graph below for your cluster. Check out the [video expl

 We built __Goldpinger__ to troubleshoot, visualise and alert on our networking layer while adopting `Kubernetes` at Bloomberg. It has since become the go-to tool to see connectivity and slowness issues.

-It's small, simple and you'll wonder why you hadn't had it before.
+It's small (~16MB), simple and you'll wonder why you hadn't had it before.

 If you'd like to know more, you can watch [our presentation at Kubecon 2018 Seattle](https://youtu.be/DSFxRz_0TU4).

-
 ## Quick start

 Getting from sources:
@@ -52,12 +56,9 @@ Getting from [docker hub](https://hub.docker.com/r/bloomberg/goldpinger):

 ```sh
 # get from docker hub
-docker pull bloomberg/goldpinger
+docker pull bloomberg/goldpinger:v3.0.0
 ```

-Note, that in order to guarantee correct versions of dependencies, the project [uses `dep`](./Makefile).
-
-
 ## Building

 The repo comes with two ways of building a `docker` image: compiling locally, and compiling using a multi-stage `Dockerfile` image. :warning: Depending on your `docker` setup, you might need to prepend the commands below with `sudo`.
@@ -79,27 +80,24 @@ This was contributed via [@michiel](https://github.com/michiel) - kudos !

 ### Compiling locally

-In order to build `Goldpinger`, you are going to need `go` version 1.10+, `dep`, and `docker`.
+In order to build `Goldpinger`, you are going to need `go` version 1.13+ and `docker`.

 Building from source code consists of compiling the binary and building a [Docker image](./build/Dockerfile-simple):

 ```sh
-# step 0: check out the code into your $GOPATH
-go get github.com/bloomberg/goldpinger/cmd/goldpinger
-cd $GOPATH/src/github.com/bloomberg/goldpinger
+# step 0: check out the code
+git clone https://github.com/bloomberg/goldpinger.git
+cd goldpinger

-# step 1: download the dependencies via dep ensure
-make vendor
-
-# step 2: compile the binary for the desired architecture
+# step 1: compile the binary for the desired architecture
 make bin/goldpinger
 # at this stage you should be able to run the binary
 ./bin/goldpinger --help

-# step 3: build the docker image containing the binary
+# step 2: build the docker image containing the binary
 make build

-# step 4: push the image somewhere
+# step 3: push the image somewhere
 namespace="docker.io/myhandle/" make tag
 namespace="docker.io/myhandle/" make push
 ```
@@ -114,11 +112,15 @@ namespace="docker.io/myhandle/" make push

 ### Example YAML

-
 Here's an example of what you can do (using the in-cluster authentication to `Kubernetes` apiserver).

 ```yaml
 ---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: goldpinger-serviceaccount
+---
 apiVersion: apps/v1
 kind: DaemonSet
 metadata:
@@ -140,7 +142,7 @@ spec:
      labels:
        app: goldpinger
    spec:
-      serviceAccount: "goldpinger-serviceaccount"
+      serviceAccount: goldpinger-serviceaccount
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
@@ -165,7 +167,7 @@ spec:
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
-          image: "docker.io/bloomberg/goldpinger:2.0.2"
+          image: "docker.io/bloomberg/goldpinger:v3.0.0"
          imagePullPolicy: Always
          securityContext:
            allowPrivilegeEscalation: false
@@ -223,7 +225,7 @@ roleRef:
  name: view
 subjects:
  - kind: ServiceAccount
-    name: default
+    name: goldpinger-serviceaccount
    namespace: default
 ```

@@ -296,7 +298,7 @@ To get you started, here's a rule that will trigger an alert if there are any no
 ```yaml
 alert: goldpinger_nodes_unhealthy
 expr: sum(goldpinger_nodes_health_total{status="unhealthy"})
-  BY (goldpinger_instance) > 0
+  BY (instance, goldpinger_instance) > 0
 for: 5m
 annotations:
  description: |
@@ -306,6 +308,15 @@ annotations:

 Similarly, why not :heart: contribute some amazing alerts for others to use ?

+### Chaos Engineering
+
+Goldpinger also makes for a pretty good monitoring tool in when practicing Chaos Engineering. Check out [PowerfulSeal](https://github.com/bloomberg/powerfulseal), if you'd like to do some Chaos Engineering for Kubernetes.
+
+## Authors
+
+Goldpinger was created by [Mikolaj Pawlikowski](https://github.com/seeker89) and ported to Go by Chris Green.
+
+
 ## Contributions

 We :heart: contributions.
--- a/cmd/goldpinger/main.go
+++ b/cmd/goldpinger/main.go
@@ -15,17 +15,18 @@
 package main

 import (
-	"log"
 	"os"
+	"strconv"

 	"github.com/go-openapi/loads"
+	"go.uber.org/zap"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"

-	"github.com/bloomberg/goldpinger/pkg/goldpinger"
-	"github.com/bloomberg/goldpinger/pkg/restapi"
-	"github.com/bloomberg/goldpinger/pkg/restapi/operations"
+	"github.com/bloomberg/goldpinger/v3/pkg/goldpinger"
+	"github.com/bloomberg/goldpinger/v3/pkg/restapi"
+	"github.com/bloomberg/goldpinger/v3/pkg/restapi/operations"
 	flags "github.com/jessevdk/go-flags"
 )

@@ -34,14 +35,37 @@ var (
 	Version, Build string
 )

-func main() {
+func getLogger() *zap.Logger {
+	var logger *zap.Logger
+	var err error

-	log.Println("Goldpinger version:", Version, "build:", Build)
+	// We haven't parsed flags at this stage and that might be error prone
+	// so just use an envvar
+	if debug, err := strconv.ParseBool(os.Getenv("DEBUG")); err == nil && debug {
+		logger, err = zap.NewDevelopment()
+	} else {
+		logger, err = zap.NewProduction()
+	}
+	if err != nil {
+		panic(err)
+	}
+	zap.ReplaceGlobals(logger)
+	return logger
+}
+
+func main() {
+	logger := getLogger()
+	defer logger.Sync()
+
+	undo := zap.RedirectStdLog(logger)
+	defer undo()
+
+	logger.Info("Goldpinger", zap.String("version", Version), zap.String("build", Build))

 	// load embedded swagger file
 	swaggerSpec, err := loads.Analyzed(restapi.SwaggerJSON, "")
 	if err != nil {
-		log.Fatalln(err)
+		logger.Error("Coud not parse swagger", zap.Error(err))
 	}

 	// create new service API
@@ -58,7 +82,7 @@ func main() {
 	for _, optsGroup := range api.CommandLineOptionsGroups {
 		_, err := parser.AddGroup(optsGroup.ShortDescription, optsGroup.LongDescription, optsGroup.Options)
 		if err != nil {
-			log.Fatalln(err)
+			logger.Error("Coud not add flag group", zap.Error(err))
 		}
 	}

@@ -72,22 +96,28 @@ func main() {
 		os.Exit(code)
 	}

+	if goldpinger.GoldpingerConfig.Namespace == nil {
+		goldpinger.GoldpingerConfig.Namespace = &goldpinger.PodNamespace
+	} else {
+		logger.Info("Using configured namespace", zap.String("namespace", *goldpinger.GoldpingerConfig.Namespace))
+	}
+
 	// make a kubernetes client
 	var config *rest.Config
 	if goldpinger.GoldpingerConfig.KubeConfigPath == "" {
-		log.Println("Kubeconfig not specified, trying to use in cluster config")
+		logger.Info("Kubeconfig not specified, trying to use in cluster config")
 		config, err = rest.InClusterConfig()
 	} else {
-		log.Println("Kubeconfig specified in ", goldpinger.GoldpingerConfig.KubeConfigPath)
+		logger.Info("Kubeconfig specified", zap.String("path", goldpinger.GoldpingerConfig.KubeConfigPath))
 		config, err = clientcmd.BuildConfigFromFlags("", goldpinger.GoldpingerConfig.KubeConfigPath)
 	}
 	if err != nil {
-		log.Fatalln("Error getting config ", err.Error())
+		logger.Fatal("Error getting config ", zap.Error(err))
 	}
 	// create the clientset
 	clientset, err := kubernetes.NewForConfig(config)
 	if err != nil {
-		log.Fatalln("kubernetes.NewForConfig error ", err.Error())
+		logger.Fatal("kubernetes.NewForConfig error ", zap.Error(err))
 	}
 	goldpinger.GoldpingerConfig.KubernetesClient = clientset

@@ -97,20 +127,19 @@ func main() {
 	}

 	if goldpinger.GoldpingerConfig.PodIP == "" {
-		log.Println("PodIP not set: pinging all pods")
+		logger.Info("PodIP not set: pinging all pods")
 	}
 	if goldpinger.GoldpingerConfig.PingNumber == 0 {
-		log.Println("--ping-number set to 0: pinging all pods")
+		logger.Info("--ping-number set to 0: pinging all pods")
 	}
-	goldpinger.GoldpingerConfig.PodSelecter = goldpinger.NewPodSelecter(goldpinger.GoldpingerConfig.PingNumber, goldpinger.GoldpingerConfig.PodIP, goldpinger.GetAllPods)

 	server.ConfigureAPI()
 	goldpinger.StartUpdater()

-	log.Println("All good, starting serving the API")
+	logger.Info("All good, starting serving the API")

 	// serve API
 	if err := server.Serve(); err != nil {
-		log.Fatalln(err)
+		logger.Fatal("Error serving the API", zap.Error(err))
 	}
 }
--- a/extras/example-serviceaccounts.yml
+++ b/extras/example-serviceaccounts.yml
@@ -46,7 +46,7 @@ spec:
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
-          image: "docker.io/bloomberg/goldpinger:2.0.0"
+          image: "docker.io/bloomberg/goldpinger:v3.0.0"
          imagePullPolicy: Always
          securityContext:
            allowPrivilegeEscalation: false
--- a/extras/example-with-kubeconfig.yaml
+++ b/extras/example-with-kubeconfig.yaml
@@ -5,19 +5,16 @@ metadata:
  name: goldpinger
  labels:
    app: goldpinger
-    version: "2.0.0"
 spec:
  updateStrategy:
    type: RollingUpdate
  selector:
    matchLabels:
      app: goldpinger
-      version: "2.0.0"
  template:
    metadata:
      labels:
        app: goldpinger
-        version: "2.0.0"
    spec:
      securityContext:
        runAsNonRoot: true
@@ -52,7 +49,7 @@ spec:
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
-          image: "docker.io/bloomberg/goldpinger:2.0.0"
+          image: "docker.io/bloomberg/goldpinger:v3.0.0"
          imagePullPolicy: Always
          securityContext:
            allowPrivilegeEscalation: false
--- a/go.mod
+++ b/go.mod
@@ -0,0 +1,50 @@
+module github.com/bloomberg/goldpinger/v3
+
+go 1.14
+
+require (
+	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
+	github.com/cespare/xxhash v1.1.0
+	github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680 // indirect
+	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8 // indirect
+	github.com/go-openapi/analysis v0.17.2 // indirect
+	github.com/go-openapi/errors v0.17.2
+	github.com/go-openapi/jsonpointer v0.17.2 // indirect
+	github.com/go-openapi/jsonreference v0.17.2 // indirect
+	github.com/go-openapi/loads v0.17.2
+	github.com/go-openapi/runtime v0.17.2
+	github.com/go-openapi/spec v0.17.2
+	github.com/go-openapi/strfmt v0.17.2
+	github.com/go-openapi/swag v0.17.2
+	github.com/go-openapi/validate v0.17.2
+	github.com/gogo/protobuf v0.0.0-20170330071051-c0656edd0d9e // indirect
+	github.com/golang/glog v0.0.0-20141105023935-44145f04b68c // indirect
+	github.com/google/btree v1.0.0 // indirect
+	github.com/google/gofuzz v0.0.0-20161122191042-44d81051d367 // indirect
+	github.com/googleapis/gnostic v0.0.0-20170729233727-0c5108395e2d // indirect
+	github.com/gregjones/httpcache v0.0.0-20170728041850-787624de3eb7 // indirect
+	github.com/imdario/mergo v0.3.5 // indirect
+	github.com/jessevdk/go-flags v1.4.0
+	github.com/json-iterator/go v0.0.0-20180612202835-f2b4162afba3 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
+	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
+	github.com/prometheus/client_golang v0.9.1
+	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 // indirect
+	github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39 // indirect
+	github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d // indirect
+	github.com/spf13/pflag v1.0.1 // indirect
+	github.com/stuartnelson3/go-rendezvous v0.2.0
+	go.uber.org/zap v1.14.1
+	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 // indirect
+	golang.org/x/image v0.0.0-20190220214146-31aff87c08e9
+	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
+	golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a // indirect
+	golang.org/x/time v0.0.0-20161028155119-f51c12702a4d // indirect
+	gopkg.in/inf.v0 v0.9.0 // indirect
+	k8s.io/api v0.0.0-20181004124137-fd83cbc87e76 // indirect
+	k8s.io/apimachinery v0.0.0-20180913025736-6dd46049f395
+	k8s.io/client-go v9.0.0+incompatible
+)
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,189 @@
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--- a/pkg/client/goldpinger_client.go
+++ b/pkg/client/goldpinger_client.go
@@ -6,12 +6,10 @@ package client
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
+	"github.com/bloomberg/goldpinger/v3/pkg/client/operations"
 	"github.com/go-openapi/runtime"
 	httptransport "github.com/go-openapi/runtime/client"
-
-	strfmt "github.com/go-openapi/strfmt"
-
-	"github.com/bloomberg/goldpinger/pkg/client/operations"
+	"github.com/go-openapi/strfmt"
 )

 // Default goldpinger HTTP client.
@@ -56,9 +54,7 @@ func New(transport runtime.ClientTransport, formats strfmt.Registry) *Goldpinger

 	cli := new(Goldpinger)
 	cli.Transport = transport
-
 	cli.Operations = operations.New(transport, formats)
-
 	return cli
 }

@@ -103,7 +99,7 @@ func (cfg *TransportConfig) WithSchemes(schemes []string) *TransportConfig {

 // Goldpinger is a client for goldpinger
 type Goldpinger struct {
-	Operations *operations.Client
+	Operations operations.ClientService

 	Transport runtime.ClientTransport
 }
@@ -111,7 +107,5 @@ type Goldpinger struct {
 // SetTransport changes the transport on the client and all its subresources
 func (c *Goldpinger) SetTransport(transport runtime.ClientTransport) {
 	c.Transport = transport
-
 	c.Operations.SetTransport(transport)
-
 }
--- a/pkg/client/operations/check_all_pods_parameters.go
+++ b/pkg/client/operations/check_all_pods_parameters.go
@@ -13,8 +13,7 @@ import (
 	"github.com/go-openapi/errors"
 	"github.com/go-openapi/runtime"
 	cr "github.com/go-openapi/runtime/client"
-
-	strfmt "github.com/go-openapi/strfmt"
+	"github.com/go-openapi/strfmt"
 )

 // NewCheckAllPodsParams creates a new CheckAllPodsParams object
--- a/pkg/client/operations/check_all_pods_responses.go
+++ b/pkg/client/operations/check_all_pods_responses.go
@@ -10,10 +10,9 @@ import (
 	"io"

 	"github.com/go-openapi/runtime"
+	"github.com/go-openapi/strfmt"

-	strfmt "github.com/go-openapi/strfmt"
-
-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // CheckAllPodsReader is a Reader for the CheckAllPods structure.
@@ -24,7 +23,6 @@ type CheckAllPodsReader struct {
 // ReadResponse reads a server response into the received o.
 func (o *CheckAllPodsReader) ReadResponse(response runtime.ClientResponse, consumer runtime.Consumer) (interface{}, error) {
 	switch response.Code() {
-
 	case 200:
 		result := NewCheckAllPodsOK()
 		if err := result.readResponse(response, consumer, o.formats); err != nil {
@@ -54,6 +52,10 @@ func (o *CheckAllPodsOK) Error() string {
 	return fmt.Sprintf("[GET /check_all][%d] checkAllPodsOK  %+v", 200, o.Payload)
 }

+func (o *CheckAllPodsOK) GetPayload() *models.CheckAllResults {
+	return o.Payload
+}
+
 func (o *CheckAllPodsOK) readResponse(response runtime.ClientResponse, consumer runtime.Consumer, formats strfmt.Registry) error {

 	o.Payload = new(models.CheckAllResults)
--- a/pkg/client/operations/check_service_pods_parameters.go
+++ b/pkg/client/operations/check_service_pods_parameters.go
@@ -13,8 +13,7 @@ import (
 	"github.com/go-openapi/errors"
 	"github.com/go-openapi/runtime"
 	cr "github.com/go-openapi/runtime/client"
-
-	strfmt "github.com/go-openapi/strfmt"
+	"github.com/go-openapi/strfmt"
 )

 // NewCheckServicePodsParams creates a new CheckServicePodsParams object
--- a/pkg/client/operations/check_service_pods_responses.go
+++ b/pkg/client/operations/check_service_pods_responses.go
@@ -10,10 +10,9 @@ import (
 	"io"

 	"github.com/go-openapi/runtime"
+	"github.com/go-openapi/strfmt"

-	strfmt "github.com/go-openapi/strfmt"
-
-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // CheckServicePodsReader is a Reader for the CheckServicePods structure.
@@ -24,7 +23,6 @@ type CheckServicePodsReader struct {
 // ReadResponse reads a server response into the received o.
 func (o *CheckServicePodsReader) ReadResponse(response runtime.ClientResponse, consumer runtime.Consumer) (interface{}, error) {
 	switch response.Code() {
-
 	case 200:
 		result := NewCheckServicePodsOK()
 		if err := result.readResponse(response, consumer, o.formats); err != nil {
@@ -54,6 +52,10 @@ func (o *CheckServicePodsOK) Error() string {
 	return fmt.Sprintf("[GET /check][%d] checkServicePodsOK  %+v", 200, o.Payload)
 }

+func (o *CheckServicePodsOK) GetPayload() *models.CheckResults {
+	return o.Payload
+}
+
 func (o *CheckServicePodsOK) readResponse(response runtime.ClientResponse, consumer runtime.Consumer, formats strfmt.Registry) error {

 	o.Payload = new(models.CheckResults)
--- a/pkg/client/operations/healthz_parameters.go
+++ b/pkg/client/operations/healthz_parameters.go
@@ -13,8 +13,7 @@ import (
 	"github.com/go-openapi/errors"
 	"github.com/go-openapi/runtime"
 	cr "github.com/go-openapi/runtime/client"
-
-	strfmt "github.com/go-openapi/strfmt"
+	"github.com/go-openapi/strfmt"
 )

 // NewHealthzParams creates a new HealthzParams object
--- a/pkg/client/operations/healthz_responses.go
+++ b/pkg/client/operations/healthz_responses.go
@@ -10,10 +10,9 @@ import (
 	"io"

 	"github.com/go-openapi/runtime"
+	"github.com/go-openapi/strfmt"

-	strfmt "github.com/go-openapi/strfmt"
-
-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // HealthzReader is a Reader for the Healthz structure.
@@ -24,14 +23,12 @@ type HealthzReader struct {
 // ReadResponse reads a server response into the received o.
 func (o *HealthzReader) ReadResponse(response runtime.ClientResponse, consumer runtime.Consumer) (interface{}, error) {
 	switch response.Code() {
-
 	case 200:
 		result := NewHealthzOK()
 		if err := result.readResponse(response, consumer, o.formats); err != nil {
 			return nil, err
 		}
 		return result, nil
-
 	case 503:
 		result := NewHealthzServiceUnavailable()
 		if err := result.readResponse(response, consumer, o.formats); err != nil {
@@ -61,6 +58,10 @@ func (o *HealthzOK) Error() string {
 	return fmt.Sprintf("[GET /healthz][%d] healthzOK  %+v", 200, o.Payload)
 }

+func (o *HealthzOK) GetPayload() *models.HealthCheckResults {
+	return o.Payload
+}
+
 func (o *HealthzOK) readResponse(response runtime.ClientResponse, consumer runtime.Consumer, formats strfmt.Registry) error {

 	o.Payload = new(models.HealthCheckResults)
@@ -90,6 +91,10 @@ func (o *HealthzServiceUnavailable) Error() string {
 	return fmt.Sprintf("[GET /healthz][%d] healthzServiceUnavailable  %+v", 503, o.Payload)
 }

+func (o *HealthzServiceUnavailable) GetPayload() *models.HealthCheckResults {
+	return o.Payload
+}
+
 func (o *HealthzServiceUnavailable) readResponse(response runtime.ClientResponse, consumer runtime.Consumer, formats strfmt.Registry) error {

 	o.Payload = new(models.HealthCheckResults)
--- a/pkg/client/operations/operations_client.go
+++ b/pkg/client/operations/operations_client.go
@@ -6,13 +6,14 @@ package operations
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	"github.com/go-openapi/runtime"
+	"fmt"

-	strfmt "github.com/go-openapi/strfmt"
+	"github.com/go-openapi/runtime"
+	"github.com/go-openapi/strfmt"
 )

 // New creates a new operations API client.
-func New(transport runtime.ClientTransport, formats strfmt.Registry) *Client {
+func New(transport runtime.ClientTransport, formats strfmt.Registry) ClientService {
 	return &Client{transport: transport, formats: formats}
 }

@@ -24,8 +25,21 @@ type Client struct {
 	formats   strfmt.Registry
 }

+// ClientService is the interface for Client methods
+type ClientService interface {
+	CheckAllPods(params *CheckAllPodsParams) (*CheckAllPodsOK, error)
+
+	CheckServicePods(params *CheckServicePodsParams) (*CheckServicePodsOK, error)
+
+	Healthz(params *HealthzParams) (*HealthzOK, error)
+
+	Ping(params *PingParams) (*PingOK, error)
+
+	SetTransport(transport runtime.ClientTransport)
+}
+
 /*
-CheckAllPods Queries the API server for all other pods in this service, and makes all of them query all of their neighbours, using their pods IPs. Calls their /check endpoint.
+  CheckAllPods Queries the API server for all other pods in this service, and makes all of them query all of their neighbours, using their pods IPs. Calls their /check endpoint.
 */
 func (a *Client) CheckAllPods(params *CheckAllPodsParams) (*CheckAllPodsOK, error) {
 	// TODO: Validate the params before sending
@@ -38,7 +52,7 @@ func (a *Client) CheckAllPods(params *CheckAllPodsParams) (*CheckAllPodsOK, erro
 		Method:             "GET",
 		PathPattern:        "/check_all",
 		ProducesMediaTypes: []string{"application/json"},
-		ConsumesMediaTypes: []string{""},
+		ConsumesMediaTypes: []string{"application/json"},
 		Schemes:            []string{"http"},
 		Params:             params,
 		Reader:             &CheckAllPodsReader{formats: a.formats},
@@ -48,12 +62,18 @@ func (a *Client) CheckAllPods(params *CheckAllPodsParams) (*CheckAllPodsOK, erro
 	if err != nil {
 		return nil, err
 	}
-	return result.(*CheckAllPodsOK), nil
-
+	success, ok := result.(*CheckAllPodsOK)
+	if ok {
+		return success, nil
+	}
+	// unexpected success response
+	// safeguard: normally, absent a default response, unknown success responses return an error above: so this is a codegen issue
+	msg := fmt.Sprintf("unexpected success response for checkAllPods: API contract not enforced by server. Client expected to get an error, but got: %T", result)
+	panic(msg)
 }

 /*
-CheckServicePods Queries the API server for all other pods in this service, and pings them via their pods IPs. Calls their /ping endpoint
+  CheckServicePods Queries the API server for all other pods in this service, and pings them via their pods IPs. Calls their /ping endpoint
 */
 func (a *Client) CheckServicePods(params *CheckServicePodsParams) (*CheckServicePodsOK, error) {
 	// TODO: Validate the params before sending
@@ -66,7 +86,7 @@ func (a *Client) CheckServicePods(params *CheckServicePodsParams) (*CheckService
 		Method:             "GET",
 		PathPattern:        "/check",
 		ProducesMediaTypes: []string{"application/json"},
-		ConsumesMediaTypes: []string{""},
+		ConsumesMediaTypes: []string{"application/json"},
 		Schemes:            []string{"http"},
 		Params:             params,
 		Reader:             &CheckServicePodsReader{formats: a.formats},
@@ -76,12 +96,18 @@ func (a *Client) CheckServicePods(params *CheckServicePodsParams) (*CheckService
 	if err != nil {
 		return nil, err
 	}
-	return result.(*CheckServicePodsOK), nil
-
+	success, ok := result.(*CheckServicePodsOK)
+	if ok {
+		return success, nil
+	}
+	// unexpected success response
+	// safeguard: normally, absent a default response, unknown success responses return an error above: so this is a codegen issue
+	msg := fmt.Sprintf("unexpected success response for checkServicePods: API contract not enforced by server. Client expected to get an error, but got: %T", result)
+	panic(msg)
 }

 /*
-Healthz The healthcheck endpoint provides detailed information about the health of a web service. If each of the components required by the service are healthy, then the service is considered healthy and will return a 200 OK response. If any of the components needed by the service are unhealthy, then a 503 Service Unavailable response will be provided.
+  Healthz The healthcheck endpoint provides detailed information about the health of a web service. If each of the components required by the service are healthy, then the service is considered healthy and will return a 200 OK response. If any of the components needed by the service are unhealthy, then a 503 Service Unavailable response will be provided.
 */
 func (a *Client) Healthz(params *HealthzParams) (*HealthzOK, error) {
 	// TODO: Validate the params before sending
@@ -94,7 +120,7 @@ func (a *Client) Healthz(params *HealthzParams) (*HealthzOK, error) {
 		Method:             "GET",
 		PathPattern:        "/healthz",
 		ProducesMediaTypes: []string{"application/json"},
-		ConsumesMediaTypes: []string{""},
+		ConsumesMediaTypes: []string{"application/json"},
 		Schemes:            []string{"http"},
 		Params:             params,
 		Reader:             &HealthzReader{formats: a.formats},
@@ -104,12 +130,18 @@ func (a *Client) Healthz(params *HealthzParams) (*HealthzOK, error) {
 	if err != nil {
 		return nil, err
 	}
-	return result.(*HealthzOK), nil
-
+	success, ok := result.(*HealthzOK)
+	if ok {
+		return success, nil
+	}
+	// unexpected success response
+	// safeguard: normally, absent a default response, unknown success responses return an error above: so this is a codegen issue
+	msg := fmt.Sprintf("unexpected success response for healthz: API contract not enforced by server. Client expected to get an error, but got: %T", result)
+	panic(msg)
 }

 /*
-Ping return query stats
+  Ping return query stats
 */
 func (a *Client) Ping(params *PingParams) (*PingOK, error) {
 	// TODO: Validate the params before sending
@@ -122,7 +154,7 @@ func (a *Client) Ping(params *PingParams) (*PingOK, error) {
 		Method:             "GET",
 		PathPattern:        "/ping",
 		ProducesMediaTypes: []string{"application/json"},
-		ConsumesMediaTypes: []string{""},
+		ConsumesMediaTypes: []string{"application/json"},
 		Schemes:            []string{"http"},
 		Params:             params,
 		Reader:             &PingReader{formats: a.formats},
@@ -132,8 +164,14 @@ func (a *Client) Ping(params *PingParams) (*PingOK, error) {
 	if err != nil {
 		return nil, err
 	}
-	return result.(*PingOK), nil
-
+	success, ok := result.(*PingOK)
+	if ok {
+		return success, nil
+	}
+	// unexpected success response
+	// safeguard: normally, absent a default response, unknown success responses return an error above: so this is a codegen issue
+	msg := fmt.Sprintf("unexpected success response for ping: API contract not enforced by server. Client expected to get an error, but got: %T", result)
+	panic(msg)
 }

 // SetTransport changes the transport on the client
--- a/pkg/client/operations/ping_parameters.go
+++ b/pkg/client/operations/ping_parameters.go
@@ -13,8 +13,7 @@ import (
 	"github.com/go-openapi/errors"
 	"github.com/go-openapi/runtime"
 	cr "github.com/go-openapi/runtime/client"
-
-	strfmt "github.com/go-openapi/strfmt"
+	"github.com/go-openapi/strfmt"
 )

 // NewPingParams creates a new PingParams object
--- a/pkg/client/operations/ping_responses.go
+++ b/pkg/client/operations/ping_responses.go
@@ -10,10 +10,9 @@ import (
 	"io"

 	"github.com/go-openapi/runtime"
+	"github.com/go-openapi/strfmt"

-	strfmt "github.com/go-openapi/strfmt"
-
-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // PingReader is a Reader for the Ping structure.
@@ -24,7 +23,6 @@ type PingReader struct {
 // ReadResponse reads a server response into the received o.
 func (o *PingReader) ReadResponse(response runtime.ClientResponse, consumer runtime.Consumer) (interface{}, error) {
 	switch response.Code() {
-
 	case 200:
 		result := NewPingOK()
 		if err := result.readResponse(response, consumer, o.formats); err != nil {
@@ -54,6 +52,10 @@ func (o *PingOK) Error() string {
 	return fmt.Sprintf("[GET /ping][%d] pingOK  %+v", 200, o.Payload)
 }

+func (o *PingOK) GetPayload() *models.PingResults {
+	return o.Payload
+}
+
 func (o *PingOK) readResponse(response runtime.ClientResponse, consumer runtime.Consumer, formats strfmt.Registry) error {

 	o.Payload = new(models.PingResults)
--- a/pkg/goldpinger/client.go
+++ b/pkg/goldpinger/client.go
@@ -15,34 +15,49 @@
 package goldpinger

 import (
+	"context"
 	"errors"
 	"fmt"
 	"net"
 	"sync"
 	"time"

-	apiclient "github.com/bloomberg/goldpinger/pkg/client"
-	"github.com/bloomberg/goldpinger/pkg/models"
+	apiclient "github.com/bloomberg/goldpinger/v3/pkg/client"
+	"github.com/bloomberg/goldpinger/v3/pkg/client/operations"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 	httptransport "github.com/go-openapi/runtime/client"
 	"github.com/go-openapi/strfmt"
+	"go.uber.org/zap"
 )

 // CheckNeighbours queries the kubernetes API server for all other goldpinger pods
 // then calls Ping() on each one
-func CheckNeighbours(ps *PodSelecter) *models.CheckResults {
-	return PingAllPods(ps.SelectPods())
+func CheckNeighbours(ctx context.Context) *models.CheckResults {
+	// Mux to prevent concurrent map address
+	checkResultsMux.Lock()
+	defer checkResultsMux.Unlock()
+
+	final := models.CheckResults{}
+	final.PodResults = make(map[string]models.PodResult)
+	for podName, podResult := range checkResults.PodResults {
+		final.PodResults[podName] = podResult
+	}
+	if len(GoldpingerConfig.DnsHosts) > 0 {
+		final.DNSResults = *checkDNS()
+	}
+	return &final
 }

 // CheckNeighboursNeighbours queries the kubernetes API server for all other goldpinger
 // pods then calls Check() on each one
-func CheckNeighboursNeighbours(ps *PodSelecter) *models.CheckAllResults {
-	return CheckAllPods(ps.SelectPods())
+func CheckNeighboursNeighbours(ctx context.Context) *models.CheckAllResults {
+	return CheckAllPods(ctx, SelectPods())
 }

 type PingAllPodsResult struct {
+	podName   string
 	podResult models.PodResult
-	hostIPv4  strfmt.IPv4
-	podIP     string
+	deleted   bool
 }

 func pickPodHostIP(podIP, hostIP string) string {
@@ -70,83 +85,14 @@ func checkDNS() *models.DNSResults {
 	return &results
 }

-func PingAllPods(pods map[string]string) *models.CheckResults {
-
-	result := models.CheckResults{}
-
-	ch := make(chan PingAllPodsResult, len(pods))
-	wg := sync.WaitGroup{}
-	wg.Add(len(pods))
-
-	for podIP, hostIP := range pods {
-
-		go func(podIP string, hostIP string) {
-
-			// metrics
-			CountCall("made", "ping")
-			timer := GetLabeledPeersCallsTimer("ping", hostIP, podIP)
-			start := time.Now()
-
-			// setup
-			var channelResult PingAllPodsResult
-			channelResult.hostIPv4.UnmarshalText([]byte(hostIP))
-			channelResult.podIP = podIP
-
-			OK := false
-			var responseTime int64
-			client, err := getClient(pickPodHostIP(podIP, hostIP))
-
-			if err != nil {
-				channelResult.podResult = models.PodResult{HostIP: channelResult.hostIPv4, OK: &OK, Error: err.Error(), StatusCode: 500, ResponseTimeMs: responseTime}
-				channelResult.podIP = hostIP
-				CountError("ping")
-			} else {
-				resp, err := client.Operations.Ping(nil)
-				responseTime = time.Since(start).Nanoseconds() / int64(time.Millisecond)
-				OK = (err == nil)
-				if OK {
-					channelResult.podResult = models.PodResult{HostIP: channelResult.hostIPv4, OK: &OK, Response: resp.Payload, StatusCode: 200, ResponseTimeMs: responseTime}
-					timer.ObserveDuration()
-				} else {
-					channelResult.podResult = models.PodResult{HostIP: channelResult.hostIPv4, OK: &OK, Error: err.Error(), StatusCode: 504, ResponseTimeMs: responseTime}
-					CountError("ping")
-				}
-			}
-
-			ch <- channelResult
-			wg.Done()
-		}(podIP, hostIP)
-	}
-	if len(GoldpingerConfig.DnsHosts) > 0 {
-		result.DNSResults = *checkDNS()
-	}
-	wg.Wait()
-	close(ch)
-
-	counterHealthy, counterUnhealthy := 0.0, 0.0
-
-	result.PodResults = make(map[string]models.PodResult)
-	for response := range ch {
-		var podIPv4 strfmt.IPv4
-		podIPv4.UnmarshalText([]byte(response.podIP))
-		if *response.podResult.OK {
-			counterHealthy++
-		} else {
-			counterUnhealthy++
-		}
-		result.PodResults[response.podIP] = response.podResult
-	}
-	CountHealthyUnhealthyNodes(counterHealthy, counterUnhealthy)
-	return &result
-}
-
 type CheckServicePodsResult struct {
+	podName           string
 	checkAllPodResult models.CheckAllPodResult
 	hostIPv4          strfmt.IPv4
-	podIP             string
+	podIPv4           strfmt.IPv4
 }

-func CheckAllPods(pods map[string]string) *models.CheckAllResults {
+func CheckAllPods(checkAllCtx context.Context, pods map[string]*GoldpingerPod) *models.CheckAllResults {

 	result := models.CheckAllResults{Responses: make(map[string]models.CheckAllPodResult)}

@@ -154,42 +100,63 @@ func CheckAllPods(pods map[string]string) *models.CheckAllResults {
 	wg := sync.WaitGroup{}
 	wg.Add(len(pods))

-	for podIP, hostIP := range pods {
+	for _, pod := range pods {

-		go func(podIP string, hostIP string) {
+		go func(pod *GoldpingerPod) {
+
+			// logger
+			logger := zap.L().With(
+				zap.String("op", "check"),
+				zap.String("name", pod.Name),
+				zap.String("hostIP", pod.HostIP),
+				zap.String("podIP", pod.PodIP),
+			)

 			// stats
 			CountCall("made", "check")
-			timer := GetLabeledPeersCallsTimer("check", hostIP, podIP)
+			timer := GetLabeledPeersCallsTimer("check", pod.HostIP, pod.PodIP)

 			// setup
 			var channelResult CheckServicePodsResult
-			channelResult.hostIPv4.UnmarshalText([]byte(hostIP))
-			channelResult.podIP = podIP
-			client, err := getClient(pickPodHostIP(podIP, hostIP))
+			channelResult.podName = pod.Name
+			channelResult.hostIPv4.UnmarshalText([]byte(pod.HostIP))
+			channelResult.podIPv4.UnmarshalText([]byte(pod.PodIP))
+			client, err := getClient(pickPodHostIP(pod.PodIP, pod.HostIP))
 			OK := false

 			if err != nil {
+				logger.Warn("Couldn't get a client for Check", zap.Error(err))
 				channelResult.checkAllPodResult = models.CheckAllPodResult{
 					OK:     &OK,
+					PodIP:  channelResult.podIPv4,
 					HostIP: channelResult.hostIPv4,
 					Error:  err.Error(),
 				}
-				channelResult.podIP = hostIP
 				CountError("checkAll")
 			} else {
-				resp, err := client.Operations.CheckServicePods(nil)
+				checkCtx, cancel := context.WithTimeout(
+					checkAllCtx,
+					time.Duration(GoldpingerConfig.CheckTimeoutMs)*time.Millisecond,
+				)
+				defer cancel()
+
+				params := operations.NewCheckServicePodsParamsWithContext(checkCtx)
+				resp, err := client.Operations.CheckServicePods(params)
 				OK = (err == nil)
 				if OK {
+					logger.Debug("Check Ok")
 					channelResult.checkAllPodResult = models.CheckAllPodResult{
 						OK:       &OK,
+						PodIP:    channelResult.podIPv4,
 						HostIP:   channelResult.hostIPv4,
 						Response: resp.Payload,
 					}
 					timer.ObserveDuration()
 				} else {
+					logger.Warn("Check returned error", zap.Error(err))
 					channelResult.checkAllPodResult = models.CheckAllPodResult{
 						OK:     &OK,
+						PodIP:  channelResult.podIPv4,
 						HostIP: channelResult.hostIPv4,
 						Error:  err.Error(),
 					}
@@ -199,19 +166,17 @@ func CheckAllPods(pods map[string]string) *models.CheckAllResults {

 			ch <- channelResult
 			wg.Done()
-		}(podIP, hostIP)
+		}(pod)
 	}
 	wg.Wait()
 	close(ch)

 	for response := range ch {
-		var podIPv4 strfmt.IPv4
-		podIPv4.UnmarshalText([]byte(response.podIP))
-
-		result.Responses[response.podIP] = response.checkAllPodResult
+		result.Responses[response.podName] = response.checkAllPodResult
 		result.Hosts = append(result.Hosts, &models.CheckAllResultsHostsItems0{
-			HostIP: response.hostIPv4,
-			PodIP:  podIPv4,
+			PodName: response.podName,
+			HostIP:  response.hostIPv4,
+			PodIP:   response.podIPv4,
 		})
 		if response.checkAllPodResult.Response != nil &&
 			response.checkAllPodResult.Response.DNSResults != nil {
@@ -222,7 +187,7 @@ func CheckAllPods(pods map[string]string) *models.CheckAllResults {
 				if result.DNSResults[host] == nil {
 					result.DNSResults[host] = make(map[string]models.DNSResult)
 				}
-				result.DNSResults[host][response.podIP] = response.checkAllPodResult.Response.DNSResults[host]
+				result.DNSResults[host][response.podName] = response.checkAllPodResult.Response.DNSResults[host]
 			}
 		}
 	}
--- a/pkg/goldpinger/config.go
+++ b/pkg/goldpinger/config.go
@@ -20,17 +20,24 @@ import (

 // GoldpingerConfig represents the configuration for goldpinger
 var GoldpingerConfig = struct {
-	StaticFilePath   string `long:"static-file-path" description:"Folder for serving static files" env:"STATIC_FILE_PATH"`
-	KubeConfigPath   string `long:"kubeconfig" description:"Path to kubeconfig file" env:"KUBECONFIG"`
-	RefreshInterval  int    `long:"refresh-interval" description:"If > 0, will create a thread and collect stats every n seconds" env:"REFRESH_INTERVAL" default:"30"`
-	Hostname         string `long:"hostname" description:"Hostname to use" env:"HOSTNAME"`
-	PodIP            string `long:"pod-ip" description:"Pod IP to use" env:"POD_IP"`
-	PingNumber       uint   `long:"ping-number" description:"Number of peers to ping. A value of 0 indicates all peers should be pinged." default:"0" env:"PING_NUMBER"`
-	Port             int    `long:"client-port-override" description:"(for testing) use this port when calling other instances" env:"CLIENT_PORT_OVERRIDE"`
-	UseHostIP        bool   `long:"use-host-ip" description:"When making the calls, use host ip (defaults to pod ip)" env:"USE_HOST_IP"`
-	LabelSelector    string `long:"label-selector" description:"label selector to use to discover goldpinger pods in the cluster" env:"LABEL_SELECTOR" default:"app=goldpinger"`
+	StaticFilePath   string  `long:"static-file-path" description:"Folder for serving static files" env:"STATIC_FILE_PATH"`
+	KubeConfigPath   string  `long:"kubeconfig" description:"Path to kubeconfig file" env:"KUBECONFIG"`
+	RefreshInterval  int     `long:"refresh-interval" description:"If > 0, will create a thread and collect stats every n seconds" env:"REFRESH_INTERVAL" default:"30"`
+	JitterFactor     float64 `long:"jitter-factor" description:"The amount of jitter to add while pinging clients" env:"JITTER_FACTOR" default:"0.05"`
+	Hostname         string  `long:"hostname" description:"Hostname to use" env:"HOSTNAME"`
+	PodIP            string  `long:"pod-ip" description:"Pod IP to use" env:"POD_IP"`
+	PodName          string  `long:"pod-name" description:"The name of this pod - used to select --ping-number of pods using rendezvous hashing" env:"POD_NAME"`
+	PingNumber       uint    `long:"ping-number" description:"Number of peers to ping. A value of 0 indicates all peers should be pinged." default:"0" env:"PING_NUMBER"`
+	Port             int     `long:"client-port-override" description:"(for testing) use this port when calling other instances" env:"CLIENT_PORT_OVERRIDE"`
+	UseHostIP        bool    `long:"use-host-ip" description:"When making the calls, use host ip (defaults to pod ip)" env:"USE_HOST_IP"`
+	LabelSelector    string  `long:"label-selector" description:"label selector to use to discover goldpinger pods in the cluster" env:"LABEL_SELECTOR" default:"app=goldpinger"`
+	Namespace        *string `long:"namespace" description:"namespace to use to discover goldpinger pods in the cluster (empty for all). Defaults to discovering the namespace for the current pod" env:"NAMESPACE"`
 	KubernetesClient *kubernetes.Clientset
-	*PodSelecter

-	DnsHosts         []string `long:"host-to-resolve" description:"A host to attempt dns resolve on (space delimited)" env:"HOSTS_TO_RESOLVE" env-delim:" "`
+	DnsHosts []string `long:"host-to-resolve" description:"A host to attempt dns resolve on (space delimited)" env:"HOSTS_TO_RESOLVE" env-delim:" "`
+
+	// Timeouts
+	PingTimeoutMs     int64 `long:"ping-timeout-ms" description:"The timeout in milliseconds for a ping call to other goldpinger pods" env:"PING_TIMEOUT_MS" default:"300"`
+	CheckTimeoutMs    int64 `long:"check-timeout-ms" description:"The timeout in milliseconds for a check call to other goldpinger pods" env:"CHECK_TIMEOUT_MS" default:"1000"`
+	CheckAllTimeoutMs int64 `long:"check-all-timeout-ms" description:"The timeout in milliseconds for a check-all call to other goldpinger pods" env:"CHECK_ALL_TIMEOUT_MS" default:"5000"`
 }{}
--- a/pkg/goldpinger/heatmap.go
+++ b/pkg/goldpinger/heatmap.go
@@ -18,15 +18,17 @@ package goldpinger

 import (
 	"bytes"
+	"context"
 	"fmt"
 	"image"
 	"image/color"
 	"image/png"
-	"log"
 	"net/http"
 	"sort"
 	"strconv"
+	"time"

+	"go.uber.org/zap"
 	"golang.org/x/image/font"
 	"golang.org/x/image/font/basicfont"
 	"golang.org/x/image/math/fixed"
@@ -79,8 +81,14 @@ func HeatmapHandler(w http.ResponseWriter, r *http.Request) {
 	// parse the query to set the parameters
 	query := r.URL.Query()

+	ctx, cancel := context.WithTimeout(
+		r.Context(),
+		time.Duration(GoldpingerConfig.CheckAllTimeoutMs)*time.Millisecond,
+	)
+	defer cancel()
+
 	// get the results
-	checkResults := CheckAllPods(GetAllPods())
+	checkResults := CheckAllPods(ctx, GetAllPods())

 	// set some sizes
 	numberOfPods := len(checkResults.Responses)
@@ -135,12 +143,12 @@ func HeatmapHandler(w http.ResponseWriter, r *http.Request) {

 	buffer := new(bytes.Buffer)
 	if err := png.Encode(buffer, canvas); err != nil {
-		log.Println("error encoding png", err)
+		zap.L().Error("error encoding png", zap.Error(err))
 	}

 	w.Header().Set("Content-Type", "image/png")
 	w.Header().Set("Content-Length", strconv.Itoa(len(buffer.Bytes())))
 	if _, err := w.Write(buffer.Bytes()); err != nil {
-		log.Println("error writing heatmap buffer out", err)
+		zap.L().Error("error writing heatmap buffer out", zap.Error(err))
 	}
 }
--- a/pkg/goldpinger/k8s.go
+++ b/pkg/goldpinger/k8s.go
@@ -15,35 +15,50 @@
 package goldpinger

 import (
-	"log"
 	"io/ioutil"
+
+	"go.uber.org/zap"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )

-func getNamespace() string {
+// PodNamespace is the auto-detected namespace for this goldpinger pod
+var PodNamespace = getPodNamespace()
+
+// GoldpingerPod contains just the basic info needed to ping and keep track of a given goldpinger pod
+type GoldpingerPod struct {
+	Name   string // Name is the name of the pod
+	PodIP  string // PodIP is the IP address of the pod
+	HostIP string // HostIP is the IP address of the host where the pod lives
+}
+
+func getPodNamespace() string {
 	b, err := ioutil.ReadFile("/var/run/secrets/kubernetes.io/serviceaccount/namespace")
 	if err != nil {
-		log.Println("Unable to determine namespace: ", err.Error())
+		zap.L().Warn("Unable to determine namespace", zap.Error(err))
 		return ""
 	}
 	namespace := string(b)
 	return namespace
 }

-// GetAllPods returns a map of Pod IP to Host IP based on a label selector defined in config
-func GetAllPods() map[string]string {
+// GetAllPods returns a mapping from a pod name to a pointer to a GoldpingerPod(s)
+func GetAllPods() map[string]*GoldpingerPod {
 	timer := GetLabeledKubernetesCallsTimer()
-	pods, err := GoldpingerConfig.KubernetesClient.CoreV1().Pods(getNamespace()).List(metav1.ListOptions{LabelSelector: GoldpingerConfig.LabelSelector})
+	pods, err := GoldpingerConfig.KubernetesClient.CoreV1().Pods(*GoldpingerConfig.Namespace).List(metav1.ListOptions{LabelSelector: GoldpingerConfig.LabelSelector})
 	if err != nil {
-		log.Println("Error getting pods for selector: ", err.Error())
+		zap.L().Error("Error getting pods for selector", zap.String("selector", GoldpingerConfig.LabelSelector), zap.Error(err))
 		CountError("kubernetes_api")
 	} else {
 		timer.ObserveDuration()
 	}

-	var podsreturn = make(map[string]string)
+	var podMap = make(map[string]*GoldpingerPod)
 	for _, pod := range pods.Items {
-		podsreturn[pod.Status.PodIP] = pod.Status.HostIP
+		podMap[pod.Name] = &GoldpingerPod{
+			Name:   pod.Name,
+			PodIP:  pod.Status.PodIP,
+			HostIP: pod.Status.HostIP,
+		}
 	}
-	return podsreturn
+	return podMap
 }
--- a/pkg/goldpinger/pinger.go
+++ b/pkg/goldpinger/pinger.go
@@ -0,0 +1,176 @@
+// Copyright 2018 Bloomberg Finance L.P.
+//
+// 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 goldpinger
+
+import (
+	"context"
+	"time"
+
+	"go.uber.org/zap"
+
+	apiclient "github.com/bloomberg/goldpinger/v3/pkg/client"
+	"github.com/bloomberg/goldpinger/v3/pkg/client/operations"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
+	"github.com/go-openapi/strfmt"
+	"github.com/prometheus/client_golang/prometheus"
+	"k8s.io/apimachinery/pkg/util/wait"
+)
+
+// Pinger contains all the info needed by a goroutine to continuously ping a pod
+type Pinger struct {
+	pod         *GoldpingerPod
+	client      *apiclient.Goldpinger
+	timeout     time.Duration
+	histogram   prometheus.Observer
+	hostIPv4    strfmt.IPv4
+	podIPv4     strfmt.IPv4
+	resultsChan chan<- PingAllPodsResult
+	stopChan    chan struct{}
+	logger      *zap.Logger
+}
+
+// NewPinger constructs and returns a Pinger object responsible for pinging a single
+// goldpinger pod
+func NewPinger(pod *GoldpingerPod, resultsChan chan<- PingAllPodsResult) *Pinger {
+	p := Pinger{
+		pod:         pod,
+		timeout:     time.Duration(GoldpingerConfig.PingTimeoutMs) * time.Millisecond,
+		resultsChan: resultsChan,
+		stopChan:    make(chan struct{}),
+
+		histogram: goldpingerResponseTimePeersHistogram.WithLabelValues(
+			GoldpingerConfig.Hostname,
+			"ping",
+			pod.HostIP,
+			pod.PodIP,
+		),
+
+		logger: zap.L().With(
+			zap.String("op", "pinger"),
+			zap.String("name", pod.Name),
+			zap.String("hostIP", pod.HostIP),
+			zap.String("podIP", pod.PodIP),
+		),
+	}
+
+	// Initialize the host/pod IPv4
+	p.hostIPv4.UnmarshalText([]byte(pod.HostIP))
+	p.podIPv4.UnmarshalText([]byte(pod.PodIP))
+
+	return &p
+}
+
+// getClient returns a client that can be used to ping the given pod
+// On error, it returns a static result
+func (p *Pinger) getClient() (*apiclient.Goldpinger, error) {
+	if p.client != nil {
+		return p.client, nil
+	}
+
+	client, err := getClient(pickPodHostIP(p.pod.PodIP, p.pod.HostIP))
+	if err != nil {
+		p.logger.Warn("Could not get client", zap.Error(err))
+		OK := false
+		p.resultsChan <- PingAllPodsResult{
+			podName: p.pod.Name,
+			podResult: models.PodResult{
+				PingTime:       strfmt.DateTime(time.Now()),
+				PodIP:          p.podIPv4,
+				HostIP:         p.hostIPv4,
+				OK:             &OK,
+				Error:          err.Error(),
+				StatusCode:     500,
+				ResponseTimeMs: 0,
+			},
+		}
+		return nil, err
+	}
+	p.client = client
+	return p.client, nil
+}
+
+// Ping makes a single ping request to the given pod
+func (p *Pinger) Ping() {
+	client, err := p.getClient()
+	if err != nil {
+		return
+	}
+
+	CountCall("made", "ping")
+	start := time.Now()
+
+	ctx, cancel := context.WithTimeout(context.Background(), p.timeout)
+	defer cancel()
+
+	params := operations.NewPingParamsWithContext(ctx)
+	resp, err := client.Operations.Ping(params)
+	responseTime := time.Since(start)
+	responseTimeMs := responseTime.Nanoseconds() / int64(time.Millisecond)
+	p.histogram.Observe(responseTime.Seconds())
+
+	OK := (err == nil)
+	if OK {
+		p.resultsChan <- PingAllPodsResult{
+			podName: p.pod.Name,
+			podResult: models.PodResult{
+				PingTime:       strfmt.DateTime(start),
+				PodIP:          p.podIPv4,
+				HostIP:         p.hostIPv4,
+				OK:             &OK,
+				Response:       resp.Payload,
+				StatusCode:     200,
+				ResponseTimeMs: responseTimeMs,
+			},
+		}
+		p.logger.Debug("Success pinging pod", zap.Duration("responseTime", responseTime))
+	} else {
+		p.resultsChan <- PingAllPodsResult{
+			podName: p.pod.Name,
+			podResult: models.PodResult{
+				PingTime:       strfmt.DateTime(start),
+				PodIP:          p.podIPv4,
+				HostIP:         p.hostIPv4,
+				OK:             &OK,
+				Error:          err.Error(),
+				StatusCode:     504,
+				ResponseTimeMs: responseTimeMs,
+			},
+		}
+		p.logger.Warn("Ping returned error", zap.Duration("responseTime", responseTime), zap.Error(err))
+		CountError("ping")
+	}
+}
+
+// PingContinuously continuously pings the given pod with a delay between
+// `period` and `period + jitterFactor * period`
+func (p *Pinger) PingContinuously(initialWait time.Duration, period time.Duration, jitterFactor float64) {
+	p.logger.Info(
+		"Starting pinger",
+		zap.Duration("period", period),
+		zap.Duration("initialWait", initialWait),
+		zap.Float64("jitterFactor", jitterFactor),
+	)
+
+	timer := time.NewTimer(initialWait)
+
+	select {
+	case <-timer.C:
+		wait.JitterUntil(p.Ping, period, jitterFactor, false, p.stopChan)
+	case <-p.stopChan:
+		// Do nothing
+	}
+	// We are done, send a message on the results channel to delete this
+	p.resultsChan <- PingAllPodsResult{podName: p.pod.Name, deleted: true}
+}
--- a/pkg/goldpinger/pod_selecter.go
+++ b/pkg/goldpinger/pod_selecter.go
@@ -19,43 +19,22 @@ import (
 	rendezvous "github.com/stuartnelson3/go-rendezvous"
 )

-// PodSelecter selects the result of getPods() down to count instances
-// according to a rendezvous hash.
-type PodSelecter struct {
-	count   uint
-	podIP   string
-	getPods func() map[string]string
-}
-
-// NewPodSelecter creates a new PodSelecter struct.
-func NewPodSelecter(count uint, podIP string, getPods func() map[string]string) *PodSelecter {
-	if podIP == "" {
-		// If podIP is blank, then we can't use the rendezvous hash to
-		// assign the IP correctly. Setting count=0 will force all pods
-		// to be pinged.
-		count = 0
-	}
-	return &PodSelecter{
-		count:   count,
-		podIP:   podIP,
-		getPods: getPods,
-	}
-}
-
-// SelectPods returns a map of pods filtered according to its configuration.
-func (p *PodSelecter) SelectPods() map[string]string {
-	allPods := p.getPods()
-	if p.count == 0 || p.count >= uint(len(allPods)) {
+// SelectPods selects a set of pods from the results of GetAllPods
+// depending on the count according to a rendezvous hash
+func SelectPods() map[string]*GoldpingerPod {
+	allPods := GetAllPods()
+	if GoldpingerConfig.PingNumber <= 0 || int(GoldpingerConfig.PingNumber) >= len(allPods) {
 		return allPods
 	}
+
 	rzv := rendezvous.New([]string{}, rendezvous.Hasher(xxhash.Sum64String))
-	for podIP := range allPods {
-		rzv.Add(podIP)
+	for podName := range allPods {
+		rzv.Add(podName)
 	}
-	matches := rzv.LookupN(p.podIP, p.count)
-	toPing := make(map[string]string)
-	for _, podIP := range matches {
-		toPing[podIP] = allPods[podIP]
+	matches := rzv.LookupN(GoldpingerConfig.PodName, GoldpingerConfig.PingNumber)
+	toPing := make(map[string]*GoldpingerPod)
+	for _, podName := range matches {
+		toPing[podName] = allPods[podName]
 	}
 	return toPing
 }
--- a/pkg/goldpinger/stats.go
+++ b/pkg/goldpinger/stats.go
@@ -15,12 +15,13 @@
 package goldpinger

 import (
-	"log"
+	"context"
 	"time"

-	"github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 	"github.com/go-openapi/strfmt"
 	"github.com/prometheus/client_golang/prometheus"
+	"go.uber.org/zap"
 )

 var (
@@ -103,10 +104,10 @@ func init() {
 	prometheus.MustRegister(goldpingerResponseTimeKubernetesHistogram)
 	prometheus.MustRegister(goldpingerErrorsCounter)
 	prometheus.MustRegister(goldpingerDnsErrorsCounter)
-	log.Println("Metrics setup - see /metrics")
+	zap.L().Info("Metrics setup - see /metrics")
 }

-func GetStats() *models.PingResults {
+func GetStats(ctx context.Context) *models.PingResults {
 	// GetStats no longer populates the received and made calls - use metrics for that instead
 	return &models.PingResults{
 		BootTime: strfmt.DateTime(bootTime),
--- a/pkg/goldpinger/updater.go
+++ b/pkg/goldpinger/updater.go
@@ -15,31 +15,179 @@
 package goldpinger

 import (
-	"fmt"
-	"log"
+	"sync"
 	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

+// checkResults holds the latest results of checking the pods
+var checkResults = models.CheckResults{PodResults: make(map[string]models.PodResult)}
+
+// checkResultsMux controls concurrent access to checkResults
+var checkResultsMux = sync.Mutex{}
+
+// exists checks whether there is an existing pinger for the given pod
+// returns true if:
+// - there is already a pinger with the same name
+// - the pinger has the same podIP
+// - the pinger has the same hostIP
+func exists(existingPods map[string]*GoldpingerPod, new *GoldpingerPod) bool {
+	old, exists := existingPods[new.Name]
+	return exists && (old.PodIP == new.PodIP) && (old.HostIP == new.HostIP)
+}
+
+// updatePingers calls SelectPods() at regular intervals to get a new list of goldpinger pods to ping
+// For each goldpinger pod, it then creates a pinger responsible for pinging it and returning the
+// results on the result channel
+func updatePingers(resultsChan chan<- PingAllPodsResult) {
+	// Important: This is the only goroutine that should have access to
+	// these maps since there is nothing controlling concurrent access
+	pingers := make(map[string]*Pinger)
+	existingPods := make(map[string]*GoldpingerPod)
+	refreshPeriod := time.Duration(GoldpingerConfig.RefreshInterval) * time.Second
+
+	for {
+		// Initialize deletedPods to all existing pods, we will remove
+		// any pods that should still exist from this list after we are done
+		// NOTE: This is *NOT* a copy of existingPods just a new variable name
+		// to make the intention/code clear and cleaner
+		deletedPods := existingPods
+
+		// New pods are brand new and haven't been seen before
+		newPods := make(map[string]*GoldpingerPod)
+
+		latest := SelectPods()
+		for podName, pod := range latest {
+			if exists(existingPods, pod) {
+				// This pod continues to exist in the latest iteration of the update
+				// without any changes
+				// Delete it from the set of pods that we wish to delete
+				delete(deletedPods, podName)
+			} else {
+				// This pod is brand new and has never been seen before
+				// Add it to the list of newPods
+				newPods[podName] = pod
+			}
+		}
+
+		// deletedPods now contains any pods that have either been deleted from the api-server
+		// *OR* weren't selected by our rendezvous hash
+		// *OR* had their host/pod IP changed. Remove those pingers
+		destroyPingers(pingers, deletedPods)
+
+		// Next create pingers for new pods
+		createPingers(pingers, newPods, resultsChan, refreshPeriod)
+
+		// Finally, just set existingPods to the latest and collect garbage
+		existingPods = latest
+		deletedPods = nil
+		newPods = nil
+
+		// Wait the given time before pinging
+		time.Sleep(refreshPeriod)
+	}
+}
+
+// createPingers allocates a new pinger object for each new goldpinger Pod that's been discovered
+// It also:
+//     (a) initializes a result object in checkResults to store info on that pod
+//     (b) starts a new goroutines to continuously ping the given pod.
+//         Each new goroutine waits for a given time before starting the continuous ping
+//         to prevent a thundering herd
+func createPingers(pingers map[string]*Pinger, newPods map[string]*GoldpingerPod, resultsChan chan<- PingAllPodsResult, refreshPeriod time.Duration) {
+	if len(newPods) == 0 {
+		// I have nothing to do
+		return
+	}
+	waitBetweenPods := refreshPeriod / time.Duration(len(newPods))
+
+	zap.L().Info(
+		"Starting pingers for new pods",
+		zap.Int("numNewPods", len(newPods)),
+		zap.Duration("refreshPeriod", refreshPeriod),
+		zap.Duration("waitPeriod", waitBetweenPods),
+		zap.Float64("JitterFactor", GoldpingerConfig.JitterFactor),
+	)
+
+	initialWait := time.Duration(0)
+	for podName, pod := range newPods {
+		pinger := NewPinger(pod, resultsChan)
+		pingers[podName] = pinger
+		go pinger.PingContinuously(initialWait, refreshPeriod, GoldpingerConfig.JitterFactor)
+		initialWait += waitBetweenPods
+	}
+}
+
+// destroyPingers takes a list of deleted pods and then for each pod in the list, it stops
+// the goroutines that continuously pings that pod and then deletes the pod from the list of pingers
+func destroyPingers(pingers map[string]*Pinger, deletedPods map[string]*GoldpingerPod) {
+	for podName, pod := range deletedPods {
+		zap.L().Info(
+			"Deleting pod from pingers",
+			zap.String("name", podName),
+			zap.String("podIP", pod.PodIP),
+			zap.String("hostIP", pod.HostIP),
+		)
+		pinger := pingers[podName]
+
+		// Close the channel to stop pinging
+		close(pinger.stopChan)
+
+		// delete from pingers
+		delete(pingers, podName)
+	}
+}
+
+// updateCounters updates the count of health and unhealthy nodes
+func updateCounters() {
+	checkResultsMux.Lock()
+	defer checkResultsMux.Unlock()
+
+	var counterHealthy float64
+	for _, result := range checkResults.PodResults {
+		if result.OK != nil && *result.OK {
+			counterHealthy++
+		}
+	}
+	CountHealthyUnhealthyNodes(counterHealthy, float64(len(checkResults.PodResults))-counterHealthy)
+}
+
+// collectResults simply reads results from the results channel and saves them in a map
+func collectResults(resultsChan <-chan PingAllPodsResult) {
+	refreshPeriod := time.Duration(GoldpingerConfig.RefreshInterval) * time.Second
+	updateTicker := time.NewTicker(refreshPeriod)
+	for {
+		select {
+		case <-updateTicker.C:
+			// Every time our update ticker ticks, update the count of healthy/unhealthy nodes
+			updateCounters()
+		case response := <-resultsChan:
+			// On getting a ping response, if the pinger is not being deleted,
+			// simply save it for later
+			checkResultsMux.Lock()
+			if response.deleted {
+				delete(checkResults.PodResults, response.podName)
+			} else {
+				checkResults.PodResults[response.podName] = response.podResult
+			}
+			checkResultsMux.Unlock()
+		}
+	}
+}
+
 func StartUpdater() {
 	if GoldpingerConfig.RefreshInterval <= 0 {
-		log.Println("Not creating updater, period is 0")
+		zap.L().Info("Not creating updater, refresh interval is negative", zap.Int("RefreshInterval", GoldpingerConfig.RefreshInterval))
 		return
 	}

-	// start the updater
-	go func() {
-		for {
-			results := PingAllPods(GoldpingerConfig.PodSelecter.SelectPods())
-			var troublemakers []string
-			for podIP, value := range results.PodResults {
-				if *value.OK != true {
-					troublemakers = append(troublemakers, fmt.Sprintf("%s (%s)", podIP, value.HostIP.String()))
-				}
-			}
-			if len(troublemakers) > 0 {
-				log.Println("Updater ran into trouble with these peers: ", troublemakers)
-			}
-			time.Sleep(time.Duration(GoldpingerConfig.RefreshInterval) * time.Second)
-		}
-	}()
+	pods := SelectPods()
+
+	// Create a channel for the results
+	resultsChan := make(chan PingAllPodsResult, len(pods))
+	go updatePingers(resultsChan)
+	go collectResults(resultsChan)
 }
--- a/pkg/models/call_stats.go
+++ b/pkg/models/call_stats.go
@@ -6,12 +6,12 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 )

 // CallStats call stats
+//
 // swagger:model CallStats
 type CallStats struct {

--- a/pkg/models/check_all_pod_result.go
+++ b/pkg/models/check_all_pod_result.go
@@ -6,14 +6,14 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 	"github.com/go-openapi/validate"
 )

 // CheckAllPodResult check all pod result
+//
 // swagger:model CheckAllPodResult
 type CheckAllPodResult struct {

@@ -24,6 +24,10 @@ type CheckAllPodResult struct {
 	// o k
 	OK *bool `json:"OK,omitempty"`

+	// pod IP
+	// Format: ipv4
+	PodIP strfmt.IPv4 `json:"PodIP,omitempty"`
+
 	// error
 	Error string `json:"error,omitempty"`

@@ -42,6 +46,10 @@ func (m *CheckAllPodResult) Validate(formats strfmt.Registry) error {
 		res = append(res, err)
 	}

+	if err := m.validatePodIP(formats); err != nil {
+		res = append(res, err)
+	}
+
 	if err := m.validateResponse(formats); err != nil {
 		res = append(res, err)
 	}
@@ -65,6 +73,19 @@ func (m *CheckAllPodResult) validateHostIP(formats strfmt.Registry) error {
 	return nil
 }

+func (m *CheckAllPodResult) validatePodIP(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.PodIP) { // not required
+		return nil
+	}
+
+	if err := validate.FormatOf("PodIP", "body", "ipv4", m.PodIP.String(), formats); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func (m *CheckAllPodResult) validateResponse(formats strfmt.Registry) error {

 	if swag.IsZero(m.Response) { // not required
--- a/pkg/models/check_all_results.go
+++ b/pkg/models/check_all_results.go
@@ -8,14 +8,14 @@ package models
 import (
 	"strconv"

-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 	"github.com/go-openapi/validate"
 )

 // CheckAllResults check all results
+//
 // swagger:model CheckAllResults
 type CheckAllResults struct {

@@ -145,6 +145,7 @@ func (m *CheckAllResults) UnmarshalBinary(b []byte) error {
 }

 // CheckAllResultsHostsItems0 check all results hosts items0
+//
 // swagger:model CheckAllResultsHostsItems0
 type CheckAllResultsHostsItems0 struct {

@@ -155,6 +156,9 @@ type CheckAllResultsHostsItems0 struct {
 	// pod IP
 	// Format: ipv4
 	PodIP strfmt.IPv4 `json:"podIP,omitempty"`
+
+	// pod name
+	PodName string `json:"podName,omitempty"`
 }

 // Validate validates this check all results hosts items0
--- a/pkg/models/check_results.go
+++ b/pkg/models/check_results.go
@@ -6,14 +6,14 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 	"github.com/go-openapi/validate"
 )

 // CheckResults check results
+//
 // swagger:model CheckResults
 type CheckResults struct {

--- a/pkg/models/dns_result.go
+++ b/pkg/models/dns_result.go
@@ -6,12 +6,12 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 )

 // DNSResult Dns result
+//
 // swagger:model DnsResult
 type DNSResult struct {

--- a/pkg/models/dns_results.go
+++ b/pkg/models/dns_results.go
@@ -6,13 +6,13 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/validate"
 )

 // DNSResults Dns results
+//
 // swagger:model DnsResults
 type DNSResults map[string]DNSResult

--- a/pkg/models/health_check_results.go
+++ b/pkg/models/health_check_results.go
@@ -6,14 +6,14 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 	"github.com/go-openapi/validate"
 )

 // HealthCheckResults health check results
+//
 // swagger:model HealthCheckResults
 type HealthCheckResults struct {

--- a/pkg/models/ping_results.go
+++ b/pkg/models/ping_results.go
@@ -6,14 +6,14 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 	"github.com/go-openapi/validate"
 )

 // PingResults ping results
+//
 // swagger:model PingResults
 type PingResults struct {

--- a/pkg/models/pod_result.go
+++ b/pkg/models/pod_result.go
@@ -6,14 +6,14 @@ package models
 // Editing this file might prove futile when you re-run the swagger generate command

 import (
-	strfmt "github.com/go-openapi/strfmt"
-
 	"github.com/go-openapi/errors"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 	"github.com/go-openapi/validate"
 )

 // PodResult pod result
+//
 // swagger:model PodResult
 type PodResult struct {

@@ -24,6 +24,14 @@ type PodResult struct {
 	// o k
 	OK *bool `json:"OK,omitempty"`

+	// ping time
+	// Format: date-time
+	PingTime strfmt.DateTime `json:"PingTime,omitempty"`
+
+	// pod IP
+	// Format: ipv4
+	PodIP strfmt.IPv4 `json:"PodIP,omitempty"`
+
 	// error
 	Error string `json:"error,omitempty"`

@@ -45,6 +53,14 @@ func (m *PodResult) Validate(formats strfmt.Registry) error {
 		res = append(res, err)
 	}

+	if err := m.validatePingTime(formats); err != nil {
+		res = append(res, err)
+	}
+
+	if err := m.validatePodIP(formats); err != nil {
+		res = append(res, err)
+	}
+
 	if err := m.validateResponse(formats); err != nil {
 		res = append(res, err)
 	}
@@ -68,6 +84,32 @@ func (m *PodResult) validateHostIP(formats strfmt.Registry) error {
 	return nil
 }

+func (m *PodResult) validatePingTime(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.PingTime) { // not required
+		return nil
+	}
+
+	if err := validate.FormatOf("PingTime", "body", "date-time", m.PingTime.String(), formats); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *PodResult) validatePodIP(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.PodIP) { // not required
+		return nil
+	}
+
+	if err := validate.FormatOf("PodIP", "body", "ipv4", m.PodIP.String(), formats); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func (m *PodResult) validateResponse(formats strfmt.Registry) error {

 	if swag.IsZero(m.Response) { // not required
--- a/pkg/restapi/configure_goldpinger.go
+++ b/pkg/restapi/configure_goldpinger.go
@@ -17,18 +17,20 @@
 package restapi

 import (
+	"context"
 	"crypto/tls"
-	"log"
 	"net/http"
+	"time"

 	"strings"

 	"github.com/go-openapi/errors"
 	"github.com/go-openapi/runtime"
 	"github.com/go-openapi/runtime/middleware"
+	"go.uber.org/zap"

-	"github.com/bloomberg/goldpinger/pkg/goldpinger"
-	"github.com/bloomberg/goldpinger/pkg/restapi/operations"
+	"github.com/bloomberg/goldpinger/v3/pkg/goldpinger"
+	"github.com/bloomberg/goldpinger/v3/pkg/restapi/operations"
 	"github.com/go-openapi/swag"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
@@ -47,7 +49,7 @@ func configureFlags(api *operations.GoldpingerAPI) {

 func configureAPI(api *operations.GoldpingerAPI) http.Handler {
 	// configure the api here
-	ps := goldpinger.GoldpingerConfig.PodSelecter
+	api.Logger = zap.S().Infof
 	api.ServeError = errors.ServeError

 	api.JSONConsumer = runtime.JSONConsumer()
@@ -56,19 +58,40 @@ func configureAPI(api *operations.GoldpingerAPI) http.Handler {
 	api.PingHandler = operations.PingHandlerFunc(
 		func(params operations.PingParams) middleware.Responder {
 			goldpinger.CountCall("received", "ping")
-			return operations.NewPingOK().WithPayload(goldpinger.GetStats())
+
+			ctx, cancel := context.WithTimeout(
+				params.HTTPRequest.Context(),
+				time.Duration(goldpinger.GoldpingerConfig.PingTimeoutMs)*time.Millisecond,
+			)
+			defer cancel()
+
+			return operations.NewPingOK().WithPayload(goldpinger.GetStats(ctx))
 		})

 	api.CheckServicePodsHandler = operations.CheckServicePodsHandlerFunc(
 		func(params operations.CheckServicePodsParams) middleware.Responder {
 			goldpinger.CountCall("received", "check")
-			return operations.NewCheckServicePodsOK().WithPayload(goldpinger.CheckNeighbours(ps))
+
+			ctx, cancel := context.WithTimeout(
+				params.HTTPRequest.Context(),
+				time.Duration(goldpinger.GoldpingerConfig.CheckTimeoutMs)*time.Millisecond,
+			)
+			defer cancel()
+
+			return operations.NewCheckServicePodsOK().WithPayload(goldpinger.CheckNeighbours(ctx))
 		})

 	api.CheckAllPodsHandler = operations.CheckAllPodsHandlerFunc(
 		func(params operations.CheckAllPodsParams) middleware.Responder {
 			goldpinger.CountCall("received", "check_all")
-			return operations.NewCheckAllPodsOK().WithPayload(goldpinger.CheckNeighboursNeighbours(ps))
+
+			ctx, cancel := context.WithTimeout(
+				params.HTTPRequest.Context(),
+				time.Duration(goldpinger.GoldpingerConfig.CheckAllTimeoutMs)*time.Millisecond,
+			)
+			defer cancel()
+
+			return operations.NewCheckAllPodsOK().WithPayload(goldpinger.CheckNeighboursNeighbours(ctx))
 		})

 	api.HealthzHandler = operations.HealthzHandlerFunc(
@@ -106,7 +129,7 @@ func setupMiddlewares(handler http.Handler) http.Handler {
 }

 func fileServerMiddleware(next http.Handler) http.Handler {
-	log.Println("Added the static middleware")
+	zap.L().Info("Added the static middleware")
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		fileServer := http.FileServer(http.Dir(goldpinger.GoldpingerConfig.StaticFilePath))
 		if r.URL.Path == "/" {
@@ -123,7 +146,7 @@ func fileServerMiddleware(next http.Handler) http.Handler {
 }

 func prometheusMetricsMiddleware(next http.Handler) http.Handler {
-	log.Println("Added the prometheus middleware")
+	zap.L().Info("Added the prometheus middleware")
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.URL.Path == "/metrics" {
 			http.StripPrefix("/metrics", promhttp.Handler()).ServeHTTP(w, r)
--- a/pkg/restapi/doc.go
+++ b/pkg/restapi/doc.go
@@ -1,20 +1,18 @@
 // Code generated by go-swagger; DO NOT EDIT.

-/*
-Package restapi Goldpinger
-
-    Schemes:
-      http
-    Host: localhost
-    BasePath: /
-    Version: 2.0.0
-
-    Consumes:
-    - application/json
-
-    Produces:
-    - application/json
-
-swagger:meta
-*/
+// Package restapi Goldpinger
+//
+//  Schemes:
+//    http
+//  Host: localhost
+//  BasePath: /
+//  Version: 3.0.0
+//
+//  Consumes:
+//    - application/json
+//
+//  Produces:
+//    - application/json
+//
+// swagger:meta
 package restapi
--- a/pkg/restapi/embedded_spec.go
+++ b/pkg/restapi/embedded_spec.go
@@ -21,7 +21,7 @@ func init() {
  "swagger": "2.0",
  "info": {
    "title": "Goldpinger",
-    "version": "2.0.0"
+    "version": "3.0.0"
  },
  "paths": {
    "/check": {
@@ -124,6 +124,10 @@ func init() {
          "type": "boolean",
          "default": false
        },
+        "PodIP": {
+          "type": "string",
+          "format": "ipv4"
+        },
        "error": {
          "type": "string"
        },
@@ -161,6 +165,9 @@ func init() {
              "podIP": {
                "type": "string",
                "format": "ipv4"
+              },
+              "podName": {
+                "type": "string"
              }
            }
          }
@@ -252,6 +259,14 @@ func init() {
          "type": "boolean",
          "default": false
        },
+        "PingTime": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "PodIP": {
+          "type": "string",
+          "format": "ipv4"
+        },
        "error": {
          "type": "string"
        },
@@ -275,7 +290,7 @@ func init() {
  "swagger": "2.0",
  "info": {
    "title": "Goldpinger",
-    "version": "2.0.0"
+    "version": "3.0.0"
  },
  "paths": {
    "/check": {
@@ -378,6 +393,10 @@ func init() {
          "type": "boolean",
          "default": false
        },
+        "PodIP": {
+          "type": "string",
+          "format": "ipv4"
+        },
        "error": {
          "type": "string"
        },
@@ -406,17 +425,7 @@ func init() {
        "hosts": {
          "type": "array",
          "items": {
-            "type": "object",
-            "properties": {
-              "hostIP": {
-                "type": "string",
-                "format": "ipv4"
-              },
-              "podIP": {
-                "type": "string",
-                "format": "ipv4"
-              }
-            }
+            "$ref": "#/definitions/CheckAllResultsHostsItems0"
          }
        },
        "hosts-healthy": {
@@ -435,6 +444,22 @@ func init() {
        }
      }
    },
+    "CheckAllResultsHostsItems0": {
+      "type": "object",
+      "properties": {
+        "hostIP": {
+          "type": "string",
+          "format": "ipv4"
+        },
+        "podIP": {
+          "type": "string",
+          "format": "ipv4"
+        },
+        "podName": {
+          "type": "string"
+        }
+      }
+    },
    "CheckResults": {
      "type": "object",
      "properties": {
@@ -506,6 +531,14 @@ func init() {
          "type": "boolean",
          "default": false
        },
+        "PingTime": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "PodIP": {
+          "type": "string",
+          "format": "ipv4"
+        },
        "error": {
          "type": "string"
        },
--- a/pkg/restapi/operations/check_all_pods.go
+++ b/pkg/restapi/operations/check_all_pods.go
@@ -8,7 +8,7 @@ package operations
 import (
 	"net/http"

-	middleware "github.com/go-openapi/runtime/middleware"
+	"github.com/go-openapi/runtime/middleware"
 )

 // CheckAllPodsHandlerFunc turns a function with the right signature into a check all pods handler
--- a/pkg/restapi/operations/check_all_pods_responses.go
+++ b/pkg/restapi/operations/check_all_pods_responses.go
@@ -10,7 +10,7 @@ import (

 	"github.com/go-openapi/runtime"

-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // CheckAllPodsOKCode is the HTTP code returned for type CheckAllPodsOK
--- a/pkg/restapi/operations/check_service_pods.go
+++ b/pkg/restapi/operations/check_service_pods.go
@@ -8,7 +8,7 @@ package operations
 import (
 	"net/http"

-	middleware "github.com/go-openapi/runtime/middleware"
+	"github.com/go-openapi/runtime/middleware"
 )

 // CheckServicePodsHandlerFunc turns a function with the right signature into a check service pods handler
--- a/pkg/restapi/operations/check_service_pods_responses.go
+++ b/pkg/restapi/operations/check_service_pods_responses.go
@@ -10,7 +10,7 @@ import (

 	"github.com/go-openapi/runtime"

-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // CheckServicePodsOKCode is the HTTP code returned for type CheckServicePodsOK
--- a/pkg/restapi/operations/goldpinger_api.go
+++ b/pkg/restapi/operations/goldpinger_api.go
@@ -10,13 +10,13 @@ import (
 	"net/http"
 	"strings"

-	errors "github.com/go-openapi/errors"
-	loads "github.com/go-openapi/loads"
-	runtime "github.com/go-openapi/runtime"
-	middleware "github.com/go-openapi/runtime/middleware"
-	security "github.com/go-openapi/runtime/security"
-	spec "github.com/go-openapi/spec"
-	strfmt "github.com/go-openapi/strfmt"
+	"github.com/go-openapi/errors"
+	"github.com/go-openapi/loads"
+	"github.com/go-openapi/runtime"
+	"github.com/go-openapi/runtime/middleware"
+	"github.com/go-openapi/runtime/security"
+	"github.com/go-openapi/spec"
+	"github.com/go-openapi/strfmt"
 	"github.com/go-openapi/swag"
 )

@@ -29,14 +29,18 @@ func NewGoldpingerAPI(spec *loads.Document) *GoldpingerAPI {
 		defaultProduces:     "application/json",
 		customConsumers:     make(map[string]runtime.Consumer),
 		customProducers:     make(map[string]runtime.Producer),
+		PreServerShutdown:   func() {},
 		ServerShutdown:      func() {},
 		spec:                spec,
 		ServeError:          errors.ServeError,
 		BasicAuthenticator:  security.BasicAuth,
 		APIKeyAuthenticator: security.APIKeyAuth,
 		BearerAuthenticator: security.BearerAuth,
-		JSONConsumer:        runtime.JSONConsumer(),
-		JSONProducer:        runtime.JSONProducer(),
+
+		JSONConsumer: runtime.JSONConsumer(),
+
+		JSONProducer: runtime.JSONProducer(),
+
 		CheckAllPodsHandler: CheckAllPodsHandlerFunc(func(params CheckAllPodsParams) middleware.Responder {
 			return middleware.NotImplemented("operation CheckAllPods has not yet been implemented")
 		}),
@@ -74,10 +78,12 @@ type GoldpingerAPI struct {
 	// It has a default implementation in the security package, however you can replace it for your particular usage.
 	BearerAuthenticator func(string, security.ScopedTokenAuthentication) runtime.Authenticator

-	// JSONConsumer registers a consumer for a "application/json" mime type
+	// JSONConsumer registers a consumer for the following mime types:
+	//   - application/json
 	JSONConsumer runtime.Consumer

-	// JSONProducer registers a producer for a "application/json" mime type
+	// JSONProducer registers a producer for the following mime types:
+	//   - application/json
 	JSONProducer runtime.Producer

 	// CheckAllPodsHandler sets the operation handler for the check all pods operation
@@ -88,11 +94,14 @@ type GoldpingerAPI struct {
 	HealthzHandler HealthzHandler
 	// PingHandler sets the operation handler for the ping operation
 	PingHandler PingHandler
-
 	// ServeError is called when an error is received, there is a default handler
 	// but you can set your own with this
 	ServeError func(http.ResponseWriter, *http.Request, error)

+	// PreServerShutdown is called before the HTTP(S) server is shutdown
+	// This allows for custom functions to get executed before the HTTP(S) server stops accepting traffic
+	PreServerShutdown func()
+
 	// ServerShutdown is called when the HTTP(S) server is shut down and done
 	// handling all active connections and does not accept connections any more
 	ServerShutdown func()
@@ -154,15 +163,12 @@ func (o *GoldpingerAPI) Validate() error {
 	if o.CheckAllPodsHandler == nil {
 		unregistered = append(unregistered, "CheckAllPodsHandler")
 	}
-
 	if o.CheckServicePodsHandler == nil {
 		unregistered = append(unregistered, "CheckServicePodsHandler")
 	}
-
 	if o.HealthzHandler == nil {
 		unregistered = append(unregistered, "HealthzHandler")
 	}
-
 	if o.PingHandler == nil {
 		unregistered = append(unregistered, "PingHandler")
 	}
@@ -181,28 +187,22 @@ func (o *GoldpingerAPI) ServeErrorFor(operationID string) func(http.ResponseWrit

 // AuthenticatorsFor gets the authenticators for the specified security schemes
 func (o *GoldpingerAPI) AuthenticatorsFor(schemes map[string]spec.SecurityScheme) map[string]runtime.Authenticator {
-
 	return nil
-
 }

 // Authorizer returns the registered authorizer
 func (o *GoldpingerAPI) Authorizer() runtime.Authorizer {
-
 	return nil
-
 }

-// ConsumersFor gets the consumers for the specified media types
+// ConsumersFor gets the consumers for the specified media types.
+// MIME type parameters are ignored here.
 func (o *GoldpingerAPI) ConsumersFor(mediaTypes []string) map[string]runtime.Consumer {
-
-	result := make(map[string]runtime.Consumer)
+	result := make(map[string]runtime.Consumer, len(mediaTypes))
 	for _, mt := range mediaTypes {
 		switch mt {
-
 		case "application/json":
 			result["application/json"] = o.JSONConsumer
-
 		}

 		if c, ok := o.customConsumers[mt]; ok {
@@ -210,19 +210,16 @@ func (o *GoldpingerAPI) ConsumersFor(mediaTypes []string) map[string]runtime.Con
 		}
 	}
 	return result
-
 }

-// ProducersFor gets the producers for the specified media types
+// ProducersFor gets the producers for the specified media types.
+// MIME type parameters are ignored here.
 func (o *GoldpingerAPI) ProducersFor(mediaTypes []string) map[string]runtime.Producer {
-
-	result := make(map[string]runtime.Producer)
+	result := make(map[string]runtime.Producer, len(mediaTypes))
 	for _, mt := range mediaTypes {
 		switch mt {
-
 		case "application/json":
 			result["application/json"] = o.JSONProducer
-
 		}

 		if p, ok := o.customProducers[mt]; ok {
@@ -230,7 +227,6 @@ func (o *GoldpingerAPI) ProducersFor(mediaTypes []string) map[string]runtime.Pro
 		}
 	}
 	return result
-
 }

 // HandlerFor gets a http.Handler for the provided operation method and path
@@ -260,7 +256,6 @@ func (o *GoldpingerAPI) Context() *middleware.Context {

 func (o *GoldpingerAPI) initHandlerCache() {
 	o.Context() // don't care about the result, just that the initialization happened
-
 	if o.handlers == nil {
 		o.handlers = make(map[string]map[string]http.Handler)
 	}
@@ -269,22 +264,18 @@ func (o *GoldpingerAPI) initHandlerCache() {
 		o.handlers["GET"] = make(map[string]http.Handler)
 	}
 	o.handlers["GET"]["/check_all"] = NewCheckAllPods(o.context, o.CheckAllPodsHandler)
-
 	if o.handlers["GET"] == nil {
 		o.handlers["GET"] = make(map[string]http.Handler)
 	}
 	o.handlers["GET"]["/check"] = NewCheckServicePods(o.context, o.CheckServicePodsHandler)
-
 	if o.handlers["GET"] == nil {
 		o.handlers["GET"] = make(map[string]http.Handler)
 	}
 	o.handlers["GET"]["/healthz"] = NewHealthz(o.context, o.HealthzHandler)
-
 	if o.handlers["GET"] == nil {
 		o.handlers["GET"] = make(map[string]http.Handler)
 	}
 	o.handlers["GET"]["/ping"] = NewPing(o.context, o.PingHandler)
-
 }

 // Serve creates a http handler to serve the API over HTTP
@@ -314,3 +305,15 @@ func (o *GoldpingerAPI) RegisterConsumer(mediaType string, consumer runtime.Cons
 func (o *GoldpingerAPI) RegisterProducer(mediaType string, producer runtime.Producer) {
 	o.customProducers[mediaType] = producer
 }
+
+// AddMiddlewareFor adds a http middleware to existing handler
+func (o *GoldpingerAPI) AddMiddlewareFor(method, path string, builder middleware.Builder) {
+	um := strings.ToUpper(method)
+	if path == "/" {
+		path = ""
+	}
+	o.Init()
+	if h, ok := o.handlers[um][path]; ok {
+		o.handlers[method][path] = builder(h)
+	}
+}
--- a/pkg/restapi/operations/healthz.go
+++ b/pkg/restapi/operations/healthz.go
@@ -8,7 +8,7 @@ package operations
 import (
 	"net/http"

-	middleware "github.com/go-openapi/runtime/middleware"
+	"github.com/go-openapi/runtime/middleware"
 )

 // HealthzHandlerFunc turns a function with the right signature into a healthz handler
--- a/pkg/restapi/operations/healthz_responses.go
+++ b/pkg/restapi/operations/healthz_responses.go
@@ -10,7 +10,7 @@ import (

 	"github.com/go-openapi/runtime"

-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // HealthzOKCode is the HTTP code returned for type HealthzOK
--- a/pkg/restapi/operations/ping.go
+++ b/pkg/restapi/operations/ping.go
@@ -8,7 +8,7 @@ package operations
 import (
 	"net/http"

-	middleware "github.com/go-openapi/runtime/middleware"
+	"github.com/go-openapi/runtime/middleware"
 )

 // PingHandlerFunc turns a function with the right signature into a ping handler
--- a/pkg/restapi/operations/ping_responses.go
+++ b/pkg/restapi/operations/ping_responses.go
@@ -10,7 +10,7 @@ import (

 	"github.com/go-openapi/runtime"

-	models "github.com/bloomberg/goldpinger/pkg/models"
+	"github.com/bloomberg/goldpinger/v3/pkg/models"
 )

 // PingOKCode is the HTTP code returned for type PingOK
--- a/pkg/restapi/server.go
+++ b/pkg/restapi/server.go
@@ -25,7 +25,7 @@ import (
 	flags "github.com/jessevdk/go-flags"
 	"golang.org/x/net/netutil"

-	"github.com/bloomberg/goldpinger/pkg/restapi/operations"
+	"github.com/bloomberg/goldpinger/v3/pkg/restapi/operations"
 )

 const (
@@ -133,7 +133,6 @@ func (s *Server) SetAPI(api *operations.GoldpingerAPI) {
 	}

 	s.api = api
-	s.api.Logger = log.Printf
 	s.handler = configureAPI(api)
 }

@@ -174,8 +173,6 @@ func (s *Server) Serve() (err error) {
 	go handleInterrupt(once, s)

 	servers := []*http.Server{}
-	wg.Add(1)
-	go s.handleShutdown(wg, &servers)

 	if s.hasScheme(schemeUnix) {
 		domainSocket := new(http.Server)
@@ -252,7 +249,7 @@ func (s *Server) Serve() (err error) {
 			// https://github.com/golang/go/tree/master/src/crypto/elliptic
 			CurvePreferences: []tls.CurveID{tls.CurveP256},
 			// Use modern tls mode https://wiki.mozilla.org/Security/Server_Side_TLS#Modern_compatibility
-			NextProtos: []string{"http/1.1", "h2"},
+			NextProtos: []string{"h2", "http/1.1"},
 			// https://www.owasp.org/index.php/Transport_Layer_Protection_Cheat_Sheet#Rule_-_Only_Support_Strong_Protocols
 			MinVersion: tls.VersionTLS12,
 			// These ciphersuites support Forward Secrecy: https://en.wikipedia.org/wiki/Forward_secrecy
@@ -293,7 +290,7 @@ func (s *Server) Serve() (err error) {
 		// call custom TLS configurator
 		configureTLS(httpsServer.TLSConfig)

-		if len(httpsServer.TLSConfig.Certificates) == 0 {
+		if len(httpsServer.TLSConfig.Certificates) == 0 && httpsServer.TLSConfig.GetCertificate == nil {
 			// after standard and custom config are passed, this ends up with no certificate
 			if s.TLSCertificate == "" {
 				if s.TLSCertificateKey == "" {
@@ -325,6 +322,9 @@ func (s *Server) Serve() (err error) {
 		}(tls.NewListener(s.httpsServerL, httpsServer.TLSConfig))
 	}

+	wg.Add(1)
+	go s.handleShutdown(wg, &servers)
+
 	wg.Wait()
 	return nil
 }
@@ -420,6 +420,9 @@ func (s *Server) handleShutdown(wg *sync.WaitGroup, serversPtr *[]*http.Server)
 	ctx, cancel := context.WithTimeout(context.TODO(), s.GracefulTimeout)
 	defer cancel()

+	// first execute the pre-shutdown hook
+	s.api.PreServerShutdown()
+
 	shutdownChan := make(chan bool)
 	for i := range servers {
 		server := servers[i]
@@ -489,7 +492,7 @@ func (s *Server) TLSListener() (net.Listener, error) {

 func handleInterrupt(once *sync.Once, s *Server) {
 	once.Do(func() {
-		for _ = range s.interrupt {
+		for range s.interrupt {
 			if s.interrupted {
 				s.Logf("Server already shutting down")
 				continue
--- a/static/index.html
+++ b/static/index.html
@@ -248,15 +248,19 @@ var main = function(timeout){
                var edges = [];
                var resp = data.responses;
                for (let callId in resp) {
-                        var call = resp[callId].response['podResults'];
-                        if (typeof call !== 'string'){
-                                for (let target in call) {
-                                        edges.push({
-                                                source: callId,
-                                                target: target,
-                                                _data: call[target]
-                                        });
-                                };
+                        // If there was an error, the response can be undefined,
+                        // especially if there was a timeout/context exceeded
+                        if (resp[callId].response !== undefined) {
+                                var call = resp[callId].response['podResults'];
+                                if (typeof call !== 'string'){
+                                        for (let target in call) {
+                                                edges.push({
+                                                        source: callId,
+                                                        target: target,
+                                                        _data: call[target]
+                                                });
+                                        };
+                                }
                        }
                };

@@ -480,6 +484,3 @@ $("#update-heatmap").click(function (e) {
 </script>
 </body>
 </html>
-
-
-
--- a/swagger.yml
+++ b/swagger.yml
@@ -1,8 +1,8 @@
 ---
 swagger: '2.0'
 info:
-  version: 2.0.0
-  title: Goldpinger 
+  version: 3.0.0
+  title: Goldpinger
 definitions:
  CallStats:
    properties:
@@ -37,6 +37,12 @@ definitions:
      OK:
        type: boolean
        default: false
+      PingTime:
+        format: date-time
+        type: string
+      PodIP:
+        type: string
+        format: ipv4
      HostIP:
        type: string
        format: ipv4
@@ -66,6 +72,9 @@ definitions:
      OK:
        type: boolean
        default: false
+      PodIP:
+        type: string
+        format: ipv4
      HostIP:
        type: string
        format: ipv4
@@ -83,16 +92,18 @@ definitions:
        type: boolean
        default: false
      hosts-healthy:
-        type: integer 
+        type: integer
        format: int32
      hosts-number:
-        type: integer 
+        type: integer
        format: int32
      hosts:
        type: array
        items:
          type: object
          properties:
+            podName:
+              type: string
            hostIP:
              type: string
              format: ipv4
@@ -124,8 +135,8 @@ paths:
    get:
      description: return query stats
      produces:
-        - application/json 
-      operationId: ping 
+        - application/json
+      operationId: ping
      responses:
        200:
          description: return success
@@ -136,11 +147,11 @@ paths:
      description: Queries the API server for all other pods in this service,
                   and pings them via their pods IPs. Calls their /ping endpoint
      produces:
-        - application/json 
-      operationId: checkServicePods 
+        - application/json
+      operationId: checkServicePods
      responses:
        200:
-          description: Success, return response 
+          description: Success, return response
          schema:
            $ref: '#/definitions/CheckResults'
  /check_all:
@@ -149,11 +160,11 @@ paths:
                   and makes all of them query all of their neighbours,
                   using their pods IPs. Calls their /check endpoint.
      produces:
-        - application/json 
-      operationId: checkAllPods 
+        - application/json
+      operationId: checkAllPods
      responses:
        200:
-          description: Success, return response 
+          description: Success, return response
          schema:
            $ref: '#/definitions/CheckAllResults'
  /healthz:
Author	SHA1	Message	Date
Mikolaj Pawlikowski	8f5c742aed	Merge pull request #100 from bloomberg/v3.1.0 Bump up to v3.1.0	2021-03-12 11:22:11 +00:00
Mikolaj Pawlikowski	8865ae1411	Bump up to v3.1.0 Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2021-03-12 11:07:55 +00:00
Mikolaj Pawlikowski	9ad2f6191a	Merge pull request #98 from sethp-verica/feat/namespace-config feat: configurable namespace for pod discovery	2021-03-12 11:05:36 +00:00
Seth Pellegrino	07ef524aed	feat: configurable namespace for pod discovery Adds a configuration option to allow for cross-namespace pings. Signed-off-by: Seth Pellegrino <seth@verica.io>	2020-11-23 14:01:25 -08:00
Mikolaj Pawlikowski	ca676bcbc2	Merge pull request #91 from johscheuer/correct-readme Correct example in the readme	2020-07-22 18:51:09 +01:00
Johannes M. Scheuermann	97ec159852	Correct example in the readme Signed-off-by: Johannes M. Scheuermann <joh.scheuer@gmail.com>	2020-07-22 14:00:45 +02:00
Mikolaj Pawlikowski	bb1a72866d	Merge pull request #89 from seeker89/readme3 Refresh the README	2020-06-10 22:30:13 +01:00
Mikolaj Pawlikowski	6e29c16148	Specify the size Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:24:17 +01:00
Mikolaj Pawlikowski	f83c1de387	MOAR hyperlinks Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:22:44 +01:00
Mikolaj Pawlikowski	e24f789b68	Hyperlink all the things Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:22:05 +01:00
Mikolaj Pawlikowski	3a922f4278	Some more polish Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:20:16 +01:00
Mikolaj Pawlikowski	24d74544e0	Well, I clearly don't know my emoticons Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:19:11 +01:00
Mikolaj Pawlikowski	28f7655170	Add a note about Chaos Engineering and the authors Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:17:28 +01:00
Mikolaj Pawlikowski	e9d3f8cd2b	Refresh the readme a little bit Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-06-10 22:17:09 +01:00
Mikolaj Pawlikowski	857db0d523	Merge pull request #85 from bloomberg/seeker89-patch-1 Update examples and README to use v3.0.0 of Goldpinger	2020-05-08 13:09:18 +01:00
Mikolaj Pawlikowski	0260da795f	Update example-with-kubeconfig.yaml Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-05-08 11:44:30 +01:00
Mikolaj Pawlikowski	4f8d872700	Update example-serviceaccounts.yml Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-05-08 11:44:30 +01:00
Mikolaj Pawlikowski	8790d3e7c4	Update README to use v3.0.0 of Goldpinger Signed-off-by: Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>	2020-05-08 11:44:30 +01:00
Mikolaj Pawlikowski	a77ad0c3c1	Merge pull request #83 from skamboj/calm-the-thundering-herd Calm the thundering herd	2020-04-08 13:31:46 +01:00
Sachin Kamboj	7e60ee675a	Simplify updateCounters, don't try to maintain a running count Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-08 07:56:04 -04:00
Sachin Kamboj	d68d35bbab	Add a ping time that gives the last time a node was pinged Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 21:04:43 -04:00
Sachin Kamboj	2a78a9cec5	Don't ping all pods on call, return existing data Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 20:49:01 -04:00
Sachin Kamboj	9db241d67d	Update the set of pingers at regular intervals from the k8s API server Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 19:54:19 -04:00
Sachin Kamboj	bc313a7fbb	Merge branch 'master' into calm-the-thundering-herd	2020-04-07 14:18:09 -04:00
Mikolaj Pawlikowski	1a5d07b162	Merge pull request #82 from skamboj/better-logging Better logging	2020-04-07 17:54:38 +01:00
Mikolaj Pawlikowski	131ea12745	Merge pull request #81 from skamboj/customize-timeouts Customize timeouts	2020-04-07 14:40:22 +01:00
Sachin Kamboj	40f57b1a4e	Get rid of the lock and keep a running count of healthy/unhealthy nodes Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 08:45:14 -04:00
Mikolaj Pawlikowski	d5dd96a419	Merge pull request #79 from skamboj/pod-name-instead-of-pod-ip Pod name instead of pod ip	2020-04-07 13:38:21 +01:00
Sachin Kamboj	8a40aee927	Have the updater continuously ping pods and collate the results Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 08:02:36 -04:00
Sachin Kamboj	0690ac21a2	Command line options for adding a jitter-factor Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 07:55:48 -04:00
Sachin Kamboj	d0dfd3e493	Add code to continuously ping the pods and send the results over a channel Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-07 07:54:10 -04:00
Sachin Kamboj	cd5316bbb9	Allow debug logging Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 22:50:17 -04:00
Sachin Kamboj	9ae3e78035	Better structured logging Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 22:39:57 -04:00
Sachin Kamboj	2e1c799a25	Replace log statements with zap Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 22:18:04 -04:00
Sachin Kamboj	d33d6d6636	Update dependencies Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 22:17:24 -04:00
Sachin Kamboj	4a7a53603f	Configure zap in main to do our logging Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 22:16:20 -04:00
Sachin Kamboj	e3942bd5eb	Fix the crashing UI Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 20:33:25 -04:00
Sachin Kamboj	1c6362b2a9	Add a context to the ping results Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 19:43:22 -04:00
Sachin Kamboj	7bbdcacf9b	Add a context/timeout to the heatmap Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 19:42:59 -04:00
Sachin Kamboj	3a6ab53ced	Add a context to the updater Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 19:41:43 -04:00
Sachin Kamboj	aa7eaca30e	Get the context from the request and add overall timeouts Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 19:38:32 -04:00
Sachin Kamboj	86f9f8a1dd	Add a context and timeout to the ping and check calls Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 19:36:14 -04:00
Sachin Kamboj	c8fbf618c7	Add flags for custom timeouts for the three operations Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-06 19:32:47 -04:00
Sachin Kamboj	1338f28163	Increment the major version since this is a breaking change Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:31:05 -04:00
Sachin Kamboj	f0c66f29c7	Store results by pod name instead of pod IP Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:22:52 -04:00
Sachin Kamboj	86febf8295	Update the way of selecting pods Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:17:26 -04:00
Sachin Kamboj	aa789fdea8	Add a PodName to the config Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:16:43 -04:00
Sachin Kamboj	a95279ac8e	Also remove the PodSelector from the config and main Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:13:53 -04:00
Sachin Kamboj	6ee538549a	Simplify and remove the PodSelecter struct There is currently only a single way to select pods to ping and there is really no way to conifgure alternatives. So this commit removes the struct and simplifes the code. Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:11:53 -04:00
Sachin Kamboj	7fa3138235	Also store the PodName when fetching from k8s API server. Also map from podName to GoldpingerPod sruct Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:10:36 -04:00
Sachin Kamboj	00cd1e3886	Auto-generated code with the changes to the swagger Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:09:05 -04:00
Sachin Kamboj	4152784d21	Add a PodIP to the results now that we are using PodName as a key Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-03 23:00:48 -04:00
Mikolaj Pawlikowski	c66050e536	Merge pull request #78 from skamboj/migrate-to-go-modules Migrate to go modules	2020-04-02 20:40:46 +01:00
Mikolaj Pawlikowski	34d84b233c	Merge branch 'master' into migrate-to-go-modules	2020-04-02 17:56:00 +01:00
Mikolaj Pawlikowski	e07ae6a64c	Merge pull request #75 from ifooth/master fix prometheus ruler expr	2020-04-02 17:55:47 +01:00
Mikolaj Pawlikowski	6844a8d2b4	Merge branch 'master' into master	2020-04-02 17:36:43 +01:00
Sachin Kamboj	c23112de50	Update the CI Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 21:06:01 -04:00
Sachin Kamboj	436c1a7243	Update the README to remove references to dep Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 21:00:31 -04:00
Sachin Kamboj	66c8dc0cce	Update the version/tag to be compatible with what go expects Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 20:53:45 -04:00
Sachin Kamboj	8a7e5a36ba	Update the multistage build to use go 1.14 and go modules; Remove dep Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 20:26:03 -04:00
Sachin Kamboj	4e508cb8c8	Update the vendoring Signed-off-by: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 20:17:37 -04:00
Sachin Kamboj	536a7ffbbb	Remove the dep files Signed-Off-By: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 20:16:47 -04:00
Sachin Kamboj	bf25a51c3e	Add a go.mod and go.sum Signed-Off-By: Sachin Kamboj <skamboj1@bloomberg.net>	2020-04-01 19:48:15 -04:00
Joe Lei	60436daf18	fix prometheus ruler expr Signed-off-by: Joe Lei <thezero12@hotmail.com>	2020-02-18 10:59:43 +08:00