Merge pull request #63 from stefanprodan/release-0.7.0

Release v0.7.0

.circleci/config.yml

@@ -1,16 +1,16 @@
 version: 2.1
 jobs:
-  build:
+  e2e-testing:
     machine: true
     steps:
-      - run: "echo skip"
+      - checkout
+      - run: test/e2e-kind.sh
+      - run: test/e2e-istio.sh
+      - run: test/e2e-build.sh
+      - run: test/e2e-tests.sh
 
 workflows:
   version: 2
-  ignore:
+  build-and-test:
     jobs:
-      - build:
-          filters:
-            branches:
-              ignore:
-                - gh-pages
+      - e2e-testing

.codecov.yml

@@ -0,0 +1,8 @@
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 50
+        base: auto
+    patch: off

.gitbook.yaml

@@ -0,0 +1 @@
+root: ./docs/gitbook

.github/main.workflow

@@ -0,0 +1,17 @@
+workflow "Publish Helm charts" {
+  on = "push"
+  resolves = ["helm-push"]
+}
+
+action "helm-lint" {
+  uses = "stefanprodan/gh-actions/helm@master"
+  args = ["lint charts/*"]
+}
+
+action "helm-push" {
+  needs = ["helm-lint"]
+  uses = "stefanprodan/gh-actions/helm-gh-pages@master"
+  args = ["charts/*","https://flagger.app"]
+  secrets = ["GITHUB_TOKEN"]
+}
+

.gitignore

@@ -1,62 +1,16 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
 
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
+# Test binary, build with `go test -c`
+*.test
 
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+.DS_Store
 
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (https://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
-node_modules/
-jspm_packages/
-
-# TypeScript v1 declaration files
-typings/
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional REPL history
-.node_repl_history
-
-# Yarn Integrity file
-.yarn-integrity
-
-# dotenv environment variables file
-.env
-
-# next.js build output
-.next
-
-docs/.vuepress/dist/
-bin/
+bin/
+artifacts/gcloud/

.goreleaser.yml

@@ -0,0 +1,14 @@
+builds:
+  - main: ./cmd/flagger
+    binary: flagger
+    ldflags: -s -w -X github.com/stefanprodan/flagger/pkg/version.REVISION={{.Commit}}
+    goos:
+      - linux
+    goarch:
+      - amd64
+    env:
+      - CGO_ENABLED=0
+archive:
+  name_template: "{{ .Binary }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+  files:
+  - none*

.travis.yml

@@ -0,0 +1,51 @@
+sudo: required
+language: go
+
+go:
+- 1.11.x
+
+services:
+- docker
+
+addons:
+  apt:
+    packages:
+    - docker-ce
+
+#before_script:
+#  - go get -u sigs.k8s.io/kind
+#  - curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
+#  - curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
+
+script:
+  - set -e
+  - make test-fmt
+  - make test-codegen
+  - go test -race -coverprofile=coverage.txt -covermode=atomic ./pkg/controller/
+  - make build
+
+after_success:
+- if [ -z "$DOCKER_USER" ]; then
+    echo "PR build, skipping image push";
+  else
+    BRANCH_COMMIT=${TRAVIS_BRANCH}-$(echo ${TRAVIS_COMMIT} | head -c7);
+    docker tag stefanprodan/flagger:latest quay.io/stefanprodan/flagger:${BRANCH_COMMIT};
+    echo $DOCKER_PASS | docker login -u=$DOCKER_USER --password-stdin quay.io;
+    docker push quay.io/stefanprodan/flagger:${BRANCH_COMMIT};
+  fi
+- if [ -z "$TRAVIS_TAG" ]; then
+    echo "Not a release, skipping image push";
+  else
+    docker tag stefanprodan/flagger:latest quay.io/stefanprodan/flagger:${TRAVIS_TAG};
+    echo $DOCKER_PASS | docker login -u=$DOCKER_USER --password-stdin quay.io;
+    docker push quay.io/stefanprodan/flagger:$TRAVIS_TAG;
+  fi
+- bash <(curl -s https://codecov.io/bash)
+- rm coverage.txt
+
+deploy:
+- provider: script
+  skip_cleanup: true
+  script: curl -sL http://git.io/goreleaser | bash
+  on:
+    tags: true

404.html

@@ -1,26 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Flagger</title>
-    <meta name="generator" content="VuePress 1.9.10">
-    <link rel="icon" href="/favicon.png">
-    <link rel="stylesheet" href="/website.css">
-    <meta name="description" content="Progressive Delivery operator for Kubernetes (Canary, A/B Testing and Blue/Green deployments)">
-    <meta name="keywords" content="gitops kubernetes flagger flux istio linkerd appmesh contour gloo nginx skipper traefik">
-    <meta name="twitter:card" content="summary_large_image">
-    <meta name="twitter:title" content="Flagger">
-    <meta name="twitter:description" content="Progressive delivery Kubernetes operator (Canary, A/B Testing and Blue/Green deployments)">
-    <meta name="twitter:image:src" content="https://flagger.app/flagger-overview.png">
-    
-    <link rel="preload" href="/assets/css/0.styles.6bc4203f.css" as="style"><link rel="preload" href="/assets/js/app.a29d2723.js" as="script"><link rel="preload" href="/assets/js/7.e62ef287.js" as="script"><link rel="prefetch" href="/assets/js/1.231ad2b8.js"><link rel="prefetch" href="/assets/js/10.f8611bf6.js"><link rel="prefetch" href="/assets/js/11.88ab7ab3.js"><link rel="prefetch" href="/assets/js/12.fd171bf8.js"><link rel="prefetch" href="/assets/js/13.9a0f9bc6.js"><link rel="prefetch" href="/assets/js/14.31f4ed2f.js"><link rel="prefetch" href="/assets/js/15.0445c5e3.js"><link rel="prefetch" href="/assets/js/16.51c9c6ac.js"><link rel="prefetch" href="/assets/js/17.81fe6f29.js"><link rel="prefetch" href="/assets/js/18.b08e7074.js"><link rel="prefetch" href="/assets/js/19.ad5e0e55.js"><link rel="prefetch" href="/assets/js/2.29a21a78.js"><link rel="prefetch" href="/assets/js/20.1dc9b2d7.js"><link rel="prefetch" href="/assets/js/21.d29d05f0.js"><link rel="prefetch" href="/assets/js/22.9ec5f7d7.js"><link rel="prefetch" href="/assets/js/3.bff69ddf.js"><link rel="prefetch" href="/assets/js/4.9ac45811.js"><link rel="prefetch" href="/assets/js/5.fd30eb93.js"><link rel="prefetch" href="/assets/js/6.4f9d90d2.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.46a2d037.js">
-    <link rel="stylesheet" href="/assets/css/0.styles.6bc4203f.css">
-  </head>
-  <body>
-    <div id="app" data-server-rendered="true"><div class="theme-container"><div class="theme-default-content"><h1>404</h1> <blockquote>How did we get here?</blockquote> <a href="/" class="router-link-active">
-      Take me home.
-    </a></div></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.a29d2723.js" defer></script><script src="/assets/js/7.e62ef287.js" defer></script>
-  </body>
-</html>

CHANGELOG.md

@@ -0,0 +1,163 @@
+# Changelog
+
+All notable changes to this project are documented in this file.
+
+## 0.7.0 (2019-02-28)
+
+Adds support for custom metric checks, HTTP timeouts and HTTP retries
+
+#### Features
+
+- Allow custom promql queries in the canary analysis spec [##60](https://github.com/stefanprodan/flagger/pull/#60)
+- Add HTTP timeout and retries to canary service spec [##62](https://github.com/stefanprodan/flagger/pull/#62)
+
+## 0.6.0 (2019-02-25)
+
+Allows for [HTTPMatchRequests](https://istio.io/docs/reference/config/istio.networking.v1alpha3/#HTTPMatchRequest) 
+and [HTTPRewrite](https://istio.io/docs/reference/config/istio.networking.v1alpha3/#HTTPRewrite) 
+to be customized in the service spec of the canary custom resource.
+
+#### Features
+
+- Add HTTP match conditions and URI rewrite to the canary service spec [#55](https://github.com/stefanprodan/flagger/pull/55)
+- Update virtual service when the canary service spec changes 
+    [#54](https://github.com/stefanprodan/flagger/pull/54)
+    [#51](https://github.com/stefanprodan/flagger/pull/51)
+
+#### Improvements 
+
+- Run e2e testing on [Kubernetes Kind](https://github.com/kubernetes-sigs/kind) for canary promotion 
+    [#53](https://github.com/stefanprodan/flagger/pull/53)
+
+## 0.5.1 (2019-02-14)
+
+Allows skipping the analysis phase to ship changes directly to production
+
+#### Features
+
+- Add option to skip the canary analysis [#46](https://github.com/stefanprodan/flagger/pull/46)
+
+#### Fixes
+
+- Reject deployment if the pod label selector doesn't match `app: <DEPLOYMENT_NAME>` [#43](https://github.com/stefanprodan/flagger/pull/43)
+
+## 0.5.0 (2019-01-30)
+
+Track changes in ConfigMaps and Secrets [#37](https://github.com/stefanprodan/flagger/pull/37)
+
+#### Features
+
+- Promote configmaps and secrets changes from canary to primary
+- Detect changes in configmaps and/or secrets and (re)start canary analysis
+- Add configs checksum to Canary CRD status
+- Create primary configmaps and secrets at bootstrap
+- Scan canary volumes and containers for configmaps and secrets
+
+#### Fixes
+
+- Copy deployment labels from canary to primary at bootstrap and promotion
+
+## 0.4.1 (2019-01-24)
+
+Load testing webhook [#35](https://github.com/stefanprodan/flagger/pull/35)
+
+#### Features
+
+- Add the load tester chart to Flagger Helm repository
+- Implement a load test runner based on [rakyll/hey](https://github.com/rakyll/hey)
+- Log warning when no values are found for Istio metric due to lack of traffic
+
+#### Fixes
+
+- Run wekbooks before the metrics checks to avoid failures when using a load tester
+
+## 0.4.0 (2019-01-18)
+
+Restart canary analysis if revision changes [#31](https://github.com/stefanprodan/flagger/pull/31)
+
+#### Breaking changes
+
+- Drop support for Kubernetes 1.10
+
+#### Features
+
+- Detect changes during canary analysis and reset advancement
+- Add status and additional printer columns to CRD
+- Add canary name and namespace to controller structured logs
+
+#### Fixes
+
+- Allow canary name to be different to the target name
+- Check if multiple canaries have the same target and log error
+- Use deep copy when updating Kubernetes objects
+- Skip readiness checks if canary analysis has finished
+
+## 0.3.0 (2019-01-11)
+
+Configurable canary analysis duration [#20](https://github.com/stefanprodan/flagger/pull/20)
+
+#### Breaking changes
+
+- Helm chart: flag `controlLoopInterval` has been removed
+
+#### Features
+
+- CRD: canaries.flagger.app v1alpha3
+- Schedule canary analysis independently based on `canaryAnalysis.interval`
+- Add analysis interval to Canary CRD (defaults to one minute)
+- Make autoscaler (HPA) reference optional
+
+## 0.2.0 (2019-01-04)
+
+Webhooks [#18](https://github.com/stefanprodan/flagger/pull/18)
+
+#### Features
+
+- CRD: canaries.flagger.app v1alpha2
+- Implement canary external checks based on webhooks HTTP POST calls
+- Add webhooks to Canary CRD
+- Move docs to gitbook [docs.flagger.app](https://docs.flagger.app)
+
+## 0.1.2 (2018-12-06)
+
+Improve Slack notifications [#14](https://github.com/stefanprodan/flagger/pull/14)
+
+#### Features
+
+- Add canary analysis metadata to init and start Slack messages
+- Add rollback reason to failed canary Slack messages
+
+## 0.1.1 (2018-11-28)
+
+Canary progress deadline [#10](https://github.com/stefanprodan/flagger/pull/10)
+
+#### Features
+
+- Rollback canary based on the deployment progress deadline check
+- Add progress deadline to Canary CRD (defaults to 10 minutes)
+
+## 0.1.0 (2018-11-25)
+
+First stable release
+
+#### Features
+
+- CRD: canaries.flagger.app v1alpha1
+- Notifications: post canary events to Slack
+- Instrumentation: expose Prometheus metrics for canary status and traffic weight percentage
+- Autoscaling: add HPA reference to CRD and create primary HPA at bootstrap
+- Bootstrap: create primary deployment, ClusterIP services and Istio virtual service based on CRD spec
+
+
+## 0.0.1 (2018-10-07)
+
+Initial semver release
+
+#### Features
+
+- Implement canary rollback based on failed checks threshold
+- Scale up the deployment when canary revision changes
+- Add OpenAPI v3 schema validation to Canary CRD
+- Use CRD status for canary state persistence
+- Add Helm charts for Flagger and Grafana
+- Add canary analysis Grafana dashboard 

CNAME

@@ -1 +0,0 @@
-flagger.app

CONTRIBUTING.md

@@ -0,0 +1,72 @@
+# How to Contribute
+
+Flagger is [Apache 2.0 licensed](LICENSE) and accepts contributions via GitHub
+pull requests. This document outlines some of the conventions on development
+workflow, commit message formatting, contact points and other resources to make
+it easier to get your contribution accepted.
+
+We gratefully welcome improvements to documentation as well as to code.
+
+## Certificate of Origin
+
+By contributing to this project you agree to the Developer Certificate of
+Origin (DCO). This document was created by the Linux Kernel community and is a
+simple statement that you, as a contributor, have the legal right to make the
+contribution.
+
+## Chat
+
+The project uses Slack: To join the conversation, simply join the
+[Weave community](https://slack.weave.works/) Slack workspace.
+
+## Getting Started
+
+- Fork the repository on GitHub
+- If you want to contribute as a developer, continue reading this document for further instructions
+- If you have questions, concerns, get stuck or need a hand, let us know
+  on the Slack channel. We are happy to help and look forward to having
+  you part of the team. No matter in which capacity.
+- Play with the project, submit bugs, submit pull requests!
+
+## Contribution workflow
+
+This is a rough outline of how to prepare a contribution:
+
+- Create a topic branch from where you want to base your work (usually branched from master).
+- Make commits of logical units.
+- Make sure your commit messages are in the proper format (see below).
+- Push your changes to a topic branch in your fork of the repository.
+- If you changed code:
+  - add automated tests to cover your changes
+- Submit a pull request to the original repository.
+
+## Acceptance policy
+
+These things will make a PR more likely to be accepted:
+
+- a well-described requirement
+- new code and tests follow the conventions in old code and tests
+- a good commit message (see below)
+- All code must abide [Go Code Review Comments](https://github.com/golang/go/wiki/CodeReviewComments)
+- Names should abide [What's in a name](https://talks.golang.org/2014/names.slide#1)
+- Code must build on both Linux and Darwin, via plain `go build`
+- Code should have appropriate test coverage and tests should be written
+  to work with `go test`
+
+In general, we will merge a PR once one maintainer has endorsed it.
+For substantial changes, more people may become involved, and you might
+get asked to resubmit the PR or divide the changes into more than one PR.
+
+### Format of the Commit Message
+
+For Flux we prefer the following rules for good commit messages:
+
+- Limit the subject to 50 characters and write as the continuation
+  of the sentence "If applied, this commit will ..."
+- Explain what and why in the body, if more than a trivial change;
+  wrap it at 72 characters.
+
+The [following article](https://chris.beams.io/posts/git-commit/#seven-rules)
+has some more helpful advice on documenting your work.
+
+This doc is adapted from the [Weaveworks Flux](https://github.com/weaveworks/flux/blob/master/CONTRIBUTING.md)

Dockerfile

@@ -0,0 +1,29 @@
+FROM golang:1.11
+
+RUN mkdir -p /go/src/github.com/stefanprodan/flagger/
+
+WORKDIR /go/src/github.com/stefanprodan/flagger
+
+COPY . .
+
+RUN GIT_COMMIT=$(git rev-list -1 HEAD) && \
+    CGO_ENABLED=0 GOOS=linux go build -ldflags "-s -w \
+    -X github.com/stefanprodan/flagger/pkg/version.REVISION=${GIT_COMMIT}" \
+    -a -installsuffix cgo -o flagger ./cmd/flagger/*
+
+FROM alpine:3.8
+
+RUN addgroup -S flagger \
+    && adduser -S -g flagger flagger \
+    && apk --no-cache add ca-certificates
+
+WORKDIR /home/flagger
+
+COPY --from=0 /go/src/github.com/stefanprodan/flagger/flagger .
+
+RUN chown -R flagger:flagger ./
+
+USER flagger
+
+ENTRYPOINT ["./flagger"]
+

Dockerfile.loadtester

@@ -0,0 +1,44 @@
+FROM golang:1.11 AS hey-builder
+
+RUN mkdir -p /go/src/github.com/rakyll/hey/
+
+WORKDIR /go/src/github.com/rakyll/hey
+
+ADD https://github.com/rakyll/hey/archive/v0.1.1.tar.gz .
+
+RUN tar xzf v0.1.1.tar.gz --strip 1
+
+RUN go get ./...
+
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+  go install -ldflags '-w -extldflags "-static"' \
+  /go/src/github.com/rakyll/hey
+
+FROM golang:1.11 AS builder
+
+RUN mkdir -p /go/src/github.com/stefanprodan/flagger/
+
+WORKDIR /go/src/github.com/stefanprodan/flagger
+
+COPY . .
+
+RUN go test -race ./pkg/loadtester/
+
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o loadtester ./cmd/loadtester/*
+
+FROM alpine:3.8
+
+RUN addgroup -S app \
+    && adduser -S -g app app \
+    && apk --no-cache add ca-certificates curl
+
+WORKDIR /home/app
+
+COPY --from=hey-builder /go/bin/hey /usr/local/bin/hey
+COPY --from=builder /go/src/github.com/stefanprodan/flagger/loadtester .
+
+RUN chown -R app:app ./
+
+USER app
+
+ENTRYPOINT ["./loadtester"]

Gopkg.lock

@@ -0,0 +1,732 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  digest = "1:5c3894b2aa4d6bead0ceeea6831b305d62879c871780e7b76296ded1b004bc57"
+  name = "cloud.google.com/go"
+  packages = ["compute/metadata"]
+  pruneopts = "NUT"
+  revision = "97efc2c9ffd9fe8ef47f7f3203dc60bbca547374"
+  version = "v0.28.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:707ebe952a8b3d00b343c01536c79c73771d100f63ec6babeaed5c79e2b8a8dd"
+  name = "github.com/beorn7/perks"
+  packages = ["quantile"]
+  pruneopts = "NUT"
+  revision = "3a771d992973f24aa725d07868b467d1ddfceafb"
+
+[[projects]]
+  digest = "1:ffe9824d294da03b391f44e1ae8281281b4afc1bdaa9588c9097785e3af10cec"
+  name = "github.com/davecgh/go-spew"
+  packages = ["spew"]
+  pruneopts = "NUT"
+  revision = "8991bc29aa16c548c550c7ff78260e27b9ab7c73"
+  version = "v1.1.1"
+
+[[projects]]
+  digest = "1:81466b4218bf6adddac2572a30ac733a9255919bc2f470b4827a317bd4ee1756"
+  name = "github.com/ghodss/yaml"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "0ca9ea5df5451ffdf184b4428c902747c2c11cd7"
+  version = "v1.0.0"
+
+[[projects]]
+  digest = "1:8679b8a64f3613e9749c5640c3535c83399b8e69f67ce54d91dc73f6d77373af"
+  name = "github.com/gogo/protobuf"
+  packages = [
+    "proto",
+    "sortkeys",
+  ]
+  pruneopts = "NUT"
+  revision = "636bf0302bc95575d69441b25a2603156ffdddf1"
+  version = "v1.1.1"
+
+[[projects]]
+  branch = "master"
+  digest = "1:e0f096f9332ad5f84341de82db69fd098864b17c668333a1fbbffd1b846dcc2b"
+  name = "github.com/golang/glog"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "2cc4b790554d1a0c48fcc3aeb891e3de70cf8de0"
+  source = "github.com/istio/glog"
+
+[[projects]]
+  branch = "master"
+  digest = "1:3fb07f8e222402962fa190eb060608b34eddfb64562a18e2167df2de0ece85d8"
+  name = "github.com/golang/groupcache"
+  packages = ["lru"]
+  pruneopts = "NUT"
+  revision = "24b0969c4cb722950103eed87108c8d291a8df00"
+
+[[projects]]
+  digest = "1:63ccdfbd20f7ccd2399d0647a7d100b122f79c13bb83da9660b1598396fd9f62"
+  name = "github.com/golang/protobuf"
+  packages = [
+    "proto",
+    "ptypes",
+    "ptypes/any",
+    "ptypes/duration",
+    "ptypes/timestamp",
+  ]
+  pruneopts = "NUT"
+  revision = "aa810b61a9c79d51363740d207bb46cf8e620ed5"
+  version = "v1.2.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:05f95ffdfcf651bdb0f05b40b69e7f5663047f8da75c72d58728acb59b5cc107"
+  name = "github.com/google/btree"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "4030bb1f1f0c35b30ca7009e9ebd06849dd45306"
+
+[[projects]]
+  digest = "1:d2754cafcab0d22c13541618a8029a70a8959eb3525ff201fe971637e2274cd0"
+  name = "github.com/google/go-cmp"
+  packages = [
+    "cmp",
+    "cmp/cmpopts",
+    "cmp/internal/diff",
+    "cmp/internal/function",
+    "cmp/internal/value",
+  ]
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+    "cmd/deepcopy-gen/args",
+    "cmd/defaulter-gen",
+    "cmd/defaulter-gen/args",
+    "cmd/informer-gen",
+    "cmd/informer-gen/args",
+    "cmd/informer-gen/generators",
+    "cmd/lister-gen",
+    "cmd/lister-gen/args",
+    "cmd/lister-gen/generators",
+    "pkg/util",
+  ]
+  pruneopts = "T"
+  revision = "6702109cc68eb6fe6350b83e14407c8d7309fd1a"
+  version = "kubernetes-1.11.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:5249c83f0fb9e277b2d28c19eca814feac7ef05dc762e4deaf0a2e4b1a7c5df3"
+  name = "k8s.io/gengo"
+  packages = [
+    "args",
+    "examples/deepcopy-gen/generators",
+    "examples/defaulter-gen/generators",
+    "examples/set-gen/sets",
+    "generator",
+    "namer",
+    "parser",
+    "types",
+  ]
+  pruneopts = "NUT"
+  revision = "4242d8e6c5dba56827bb7bcf14ad11cda38f3991"
+
+[[projects]]
+  branch = "master"
+  digest = "1:a2c842a1e0aed96fd732b535514556323a6f5edfded3b63e5e0ab1bce188aa54"
+  name = "k8s.io/kube-openapi"
+  packages = ["pkg/util/proto"]
+  pruneopts = "NUT"
+  revision = "e3762e86a74c878ffed47484592986685639c2cd"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  input-imports = [
+    "github.com/google/go-cmp/cmp",
+    "github.com/google/go-cmp/cmp/cmpopts",
+    "github.com/istio/glog",
+    "github.com/knative/pkg/apis/istio/v1alpha3",
+    "github.com/knative/pkg/client/clientset/versioned",
+    "github.com/knative/pkg/client/clientset/versioned/fake",
+    "github.com/knative/pkg/signals",
+    "github.com/prometheus/client_golang/prometheus",
+    "github.com/prometheus/client_golang/prometheus/promhttp",
+    "go.uber.org/zap",
+    "go.uber.org/zap/zapcore",
+    "k8s.io/api/apps/v1",
+    "k8s.io/api/autoscaling/v1",
+    "k8s.io/api/autoscaling/v2beta1",
+    "k8s.io/api/core/v1",
+    "k8s.io/apimachinery/pkg/api/errors",
+    "k8s.io/apimachinery/pkg/api/resource",
+    "k8s.io/apimachinery/pkg/apis/meta/v1",
+    "k8s.io/apimachinery/pkg/labels",
+    "k8s.io/apimachinery/pkg/runtime",
+    "k8s.io/apimachinery/pkg/runtime/schema",
+    "k8s.io/apimachinery/pkg/runtime/serializer",
+    "k8s.io/apimachinery/pkg/types",
+    "k8s.io/apimachinery/pkg/util/intstr",
+    "k8s.io/apimachinery/pkg/util/runtime",
+    "k8s.io/apimachinery/pkg/util/sets/types",
+    "k8s.io/apimachinery/pkg/util/wait",
+    "k8s.io/apimachinery/pkg/watch",
+    "k8s.io/client-go/discovery",
+    "k8s.io/client-go/discovery/fake",
+    "k8s.io/client-go/kubernetes",
+    "k8s.io/client-go/kubernetes/fake",
+    "k8s.io/client-go/kubernetes/scheme",
+    "k8s.io/client-go/kubernetes/typed/core/v1",
+    "k8s.io/client-go/plugin/pkg/client/auth/gcp",
+    "k8s.io/client-go/rest",
+    "k8s.io/client-go/testing",
+    "k8s.io/client-go/tools/cache",
+    "k8s.io/client-go/tools/clientcmd",
+    "k8s.io/client-go/tools/record",
+    "k8s.io/client-go/util/flowcontrol",
+    "k8s.io/client-go/util/workqueue",
+    "k8s.io/code-generator/cmd/client-gen",
+    "k8s.io/code-generator/cmd/deepcopy-gen",
+    "k8s.io/code-generator/cmd/defaulter-gen",
+    "k8s.io/code-generator/cmd/informer-gen",
+    "k8s.io/code-generator/cmd/lister-gen",
+  ]
+  solver-name = "gps-cdcl"
+  solver-version = 1

Gopkg.toml

@@ -0,0 +1,64 @@
+required = [
+  "k8s.io/apimachinery/pkg/util/sets/types",
+  "k8s.io/code-generator/cmd/deepcopy-gen",
+  "k8s.io/code-generator/cmd/defaulter-gen",
+  "k8s.io/code-generator/cmd/client-gen",
+  "k8s.io/code-generator/cmd/lister-gen",
+  "k8s.io/code-generator/cmd/informer-gen",
+]
+
+[[constraint]]
+  name = "go.uber.org/zap"
+  version = "v1.9.1"
+
+[[override]]
+  name = "gopkg.in/yaml.v2"
+  version = "v2.2.1"
+
+[[override]]
+  name = "k8s.io/api"
+  version = "kubernetes-1.11.0"
+
+[[override]]
+  name = "k8s.io/apimachinery"
+  version = "kubernetes-1.11.0"
+
+[[override]]
+  name = "k8s.io/code-generator"
+  version = "kubernetes-1.11.0"
+
+[[override]]
+  name = "k8s.io/client-go"
+  version = "kubernetes-1.11.0"
+
+[[override]]
+  name = "github.com/json-iterator/go"
+  # This is the commit at which k8s depends on this in 1.11
+  # It seems to be broken at HEAD.
+  revision = "f2b4162afba35581b6d4a50d3b8f34e33c144682"
+
+[[constraint]]
+  name = "github.com/prometheus/client_golang"
+  version = "v0.8.0"
+
+[[constraint]]
+  name = "github.com/google/go-cmp"
+  version = "v0.2.0"
+
+[[constraint]]
+  name = "github.com/knative/pkg"
+  revision = "f9612ef73847258e381e749c4f45b0f5e03b66e9"
+
+[[override]]
+  name = "github.com/golang/glog"
+  source = "github.com/istio/glog"
+
+[prune]
+  go-tests = true
+  unused-packages = true
+  non-go = true
+
+[[prune.project]]
+  name = "k8s.io/code-generator"
+  unused-packages = false
+  non-go = false

LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
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+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+      defend, and hold each Contributor harmless for any liability
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+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
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+   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.

Makefile

@@ -0,0 +1,86 @@
+TAG?=latest
+VERSION?=$(shell grep 'VERSION' pkg/version/version.go | awk '{ print $$4 }' | tr -d '"')
+VERSION_MINOR:=$(shell grep 'VERSION' pkg/version/version.go | awk '{ print $$4 }' | tr -d '"' | rev | cut -d'.' -f2- | rev)
+PATCH:=$(shell grep 'VERSION' pkg/version/version.go | awk '{ print $$4 }' | tr -d '"' | awk -F. '{print $$NF}')
+SOURCE_DIRS = cmd pkg/apis pkg/controller pkg/server pkg/logging pkg/version
+LT_VERSION?=$(shell grep 'VERSION' cmd/loadtester/main.go | awk '{ print $$4 }' | tr -d '"' | head -n1)
+
+run:
+	go run cmd/flagger/* -kubeconfig=$$HOME/.kube/config -log-level=info \
+	-metrics-server=https://prometheus.istio.weavedx.com \
+	-slack-url=https://hooks.slack.com/services/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 \
+	-slack-channel="devops-alerts"
+
+build:
+	docker build -t stefanprodan/flagger:$(TAG) . -f Dockerfile
+
+push:
+	docker tag stefanprodan/flagger:$(TAG) quay.io/stefanprodan/flagger:$(VERSION)
+	docker push quay.io/stefanprodan/flagger:$(VERSION)
+
+fmt:
+	gofmt -l -s -w $(SOURCE_DIRS)
+
+test-fmt:
+	gofmt -l -s $(SOURCE_DIRS) | grep ".*\.go"; if [ "$$?" = "0" ]; then exit 1; fi
+
+test-codegen:
+	./hack/verify-codegen.sh
+
+test: test-fmt test-codegen
+	go test ./...
+
+helm-package:
+	cd charts/ && helm package ./*
+	mv charts/*.tgz docs/
+	helm repo index docs --url https://stefanprodan.github.io/flagger --merge ./docs/index.yaml
+
+helm-up:
+	helm upgrade --install flagger ./charts/flagger --namespace=istio-system --set crd.create=false
+	helm upgrade --install flagger-grafana ./charts/grafana --namespace=istio-system
+
+version-set:
+	@next="$(TAG)" && \
+	current="$(VERSION)" && \
+	sed -i '' "s/$$current/$$next/g" pkg/version/version.go && \
+	sed -i '' "s/flagger:$$current/flagger:$$next/g" artifacts/flagger/deployment.yaml && \
+	sed -i '' "s/tag: $$current/tag: $$next/g" charts/flagger/values.yaml && \
+	sed -i '' "s/appVersion: $$current/appVersion: $$next/g" charts/flagger/Chart.yaml && \
+	sed -i '' "s/version: $$current/version: $$next/g" charts/flagger/Chart.yaml && \
+	echo "Version $$next set in code, deployment and charts"
+
+version-up:
+	@next="$(VERSION_MINOR).$$(($(PATCH) + 1))" && \
+	current="$(VERSION)" && \
+	sed -i '' "s/$$current/$$next/g" pkg/version/version.go && \
+	sed -i '' "s/flagger:$$current/flagger:$$next/g" artifacts/flagger/deployment.yaml && \
+	sed -i '' "s/tag: $$current/tag: $$next/g" charts/flagger/values.yaml && \
+	sed -i '' "s/appVersion: $$current/appVersion: $$next/g" charts/flagger/Chart.yaml && \
+	echo "Version $$next set in code, deployment and chart"
+
+dev-up: version-up
+	@echo "Starting build/push/deploy pipeline for $(VERSION)"
+	docker build -t quay.io/stefanprodan/flagger:$(VERSION) . -f Dockerfile
+	docker push quay.io/stefanprodan/flagger:$(VERSION)
+	kubectl apply -f ./artifacts/flagger/crd.yaml
+	helm upgrade -i flagger ./charts/flagger --namespace=istio-system --set crd.create=false
+
+release:
+	git tag $(VERSION)
+	git push origin $(VERSION)
+
+release-set: fmt version-set helm-package
+	git add .
+	git commit -m "Release $(VERSION)"
+	git push origin master
+	git tag $(VERSION)
+	git push origin $(VERSION)
+
+reset-test:
+	kubectl delete -f ./artifacts/namespaces
+	kubectl apply -f ./artifacts/namespaces
+	kubectl apply -f ./artifacts/canaries
+
+loadtester-push:
+	docker build -t quay.io/stefanprodan/flagger-loadtester:$(LT_VERSION) . -f Dockerfile.loadtester
+	docker push quay.io/stefanprodan/flagger-loadtester:$(LT_VERSION)

README.md

@@ -1,28 +1,21 @@
-# Flagger
+# flagger
 
-Continuous delivery is accepted as an enterprise software practice, and is a natural evolution of well-established
-continuous integration principles. However continuous deployment continues to be notably rare,
-perhaps due to the complexity of management and the fear of failed deployments impacting system availability.
+[![build](https://travis-ci.org/stefanprodan/flagger.svg?branch=master)](https://travis-ci.org/stefanprodan/flagger)
+[![report](https://goreportcard.com/badge/github.com/stefanprodan/flagger)](https://goreportcard.com/report/github.com/stefanprodan/flagger)
+[![codecov](https://codecov.io/gh/stefanprodan/flagger/branch/master/graph/badge.svg)](https://codecov.io/gh/stefanprodan/flagger)
+[![license](https://img.shields.io/github/license/stefanprodan/flagger.svg)](https://github.com/stefanprodan/flagger/blob/master/LICENSE)
+[![release](https://img.shields.io/github/release/stefanprodan/flagger/all.svg)](https://github.com/stefanprodan/flagger/releases)
 
-Flagger is an open source Kubernetes operator that aims to untangle this complexity.
-It automates the promotion of canary deployments by using 
-Istio, Linkerd, App Mesh, Gloo or NGNIX traffic shifting and Prometheus metrics to analyse the application's behaviour during a controlled rollout. 
-The canary analysis can be extended with webhooks for running integration tests, load tests or any other custom validation.
+Flagger is a Kubernetes operator that automates the promotion of canary deployments
+using Istio routing for traffic shifting and Prometheus metrics for canary analysis. 
+The canary analysis can be extended with webhooks for running acceptance tests, 
+load tests or any other custom validation.
 
 Flagger implements a control loop that gradually shifts traffic to the canary while measuring key performance 
-indicators like HTTP requests success rate, requests average duration and pods health. Based on the KPIs analysis 
-a canary is promoted or aborted and the analysis result is published to Slack or MS Teams.
+indicators like HTTP requests success rate, requests average duration and pods health. 
+Based on analysis of the KPIs a canary is promoted or aborted, and the analysis result is published to Slack.
 
-Flagger can automate the application analysis for the following deployment strategies:
-
-* Canary (progressive traffic shifting)
-* A/B Testing (HTTP headers and cookies traffic routing)
-* Blue/Green (traffic switch)
-
-With Flagger you don't have to worry about keeping code and configuration changes in sync. Flagger keeps track of 
-ConfigMaps and Secrets referenced by a Kubernetes Deployment and triggers a canary analysis if any of those objects change. 
-When promoting a workload in production, both code (container images) and configuration (config maps and secrets) are 
-being synchronised.
+![flagger-overview](https://raw.githubusercontent.com/stefanprodan/flagger/master/docs/diagrams/flagger-canary-overview.png)
 
 ### Documentation
 
@@ -30,30 +23,155 @@ Flagger documentation can be found at [docs.flagger.app](https://docs.flagger.ap
 
 * Install
     * [Flagger install on Kubernetes](https://docs.flagger.app/install/flagger-install-on-kubernetes)
-    * [Flagger install on GKE Istio](https://docs.flagger.app/install/flagger-install-on-google-cloud)
-    * [Flagger install on EKS App Mesh](https://docs.flagger.app/install/flagger-install-on-eks-appmesh)
-    * [Flagger install with SuperGloo](https://docs.flagger.app/install/flagger-install-with-supergloo)
+    * [Flagger install on GKE](https://docs.flagger.app/install/flagger-install-on-google-cloud)
 * How it works
     * [Canary custom resource](https://docs.flagger.app/how-it-works#canary-custom-resource)
-    * [Routing](https://docs.flagger.app/how-it-works#istio-routing)
+    * [Virtual Service](https://docs.flagger.app/how-it-works#virtual-service)
     * [Canary deployment stages](https://docs.flagger.app/how-it-works#canary-deployment)
     * [Canary analysis](https://docs.flagger.app/how-it-works#canary-analysis)
     * [HTTP metrics](https://docs.flagger.app/how-it-works#http-metrics)
     * [Custom metrics](https://docs.flagger.app/how-it-works#custom-metrics)
     * [Webhooks](https://docs.flagger.app/how-it-works#webhooks)
     * [Load testing](https://docs.flagger.app/how-it-works#load-testing)
-    * [Integration testing](https://docs.flagger.app/how-it-works#integration-testing)
-    * [Manual gating](https://docs.flagger.app/how-it-works#manual-gating)
-    * [FAQ](https://docs.flagger.app/faq)
 * Usage
-    * [Istio canary deployments](https://docs.flagger.app/usage/progressive-delivery)
-    * [Istio A/B testing](https://docs.flagger.app/usage/ab-testing)
-    * [Linkerd canary deployments](https://docs.flagger.app/usage/linkerd-progressive-delivery)
-    * [App Mesh canary deployments](https://docs.flagger.app/usage/appmesh-progressive-delivery)
-    * [NGINX ingress controller canary deployments](https://docs.flagger.app/usage/nginx-progressive-delivery)
-    * [Gloo Canary Deployments](https://docs.flagger.app/usage/gloo-progressive-delivery.md)
-    * [Blue/Green deployments](https://docs.flagger.app/usage/blue-green)
+    * [Canary promotions and rollbacks](https://docs.flagger.app/usage/progressive-delivery)
     * [Monitoring](https://docs.flagger.app/usage/monitoring)
     * [Alerting](https://docs.flagger.app/usage/alerting)
+* Tutorials
+    * [Canary deployments with Helm charts and Weave Flux](https://docs.flagger.app/tutorials/canary-helm-gitops)
 
-This project is sponsored by [Weaveworks](https://www.weave.works/)
+### Install 
+
+Before installing Flagger make sure you have Istio setup up with Prometheus enabled. 
+If you are new to Istio you can follow my [Istio service mesh walk-through](https://github.com/stefanprodan/istio-gke).
+
+Deploy Flagger in the `istio-system` namespace using Helm:
+
+```bash
+# add the Helm repository
+helm repo add flagger https://flagger.app
+
+# install or upgrade
+helm upgrade -i flagger flagger/flagger \
+--namespace=istio-system \
+--set metricsServer=http://prometheus.istio-system:9090 
+```
+
+Flagger is compatible with Kubernetes >1.11.0 and Istio >1.0.0.
+
+### Canary CRD
+
+Flagger takes a Kubernetes deployment and optionally a horizontal pod autoscaler (HPA),
+then creates a series of objects (Kubernetes deployments, ClusterIP services and Istio virtual services).
+These objects expose the application on the mesh and drive the canary analysis and promotion.
+
+Flagger keeps track of ConfigMaps and Secrets referenced by a Kubernetes Deployment and triggers a canary analysis if any of those objects change. 
+When promoting a workload in production, both code (container images) and configuration (config maps and secrets) are being synchronised.
+
+For a deployment named _podinfo_, a canary promotion can be defined using Flagger's custom resource:
+
+```yaml
+apiVersion: flagger.app/v1alpha3
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  # deployment reference
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  # the maximum time in seconds for the canary deployment
+  # to make progress before it is rollback (default 600s)
+  progressDeadlineSeconds: 60
+  # HPA reference (optional)
+  autoscalerRef:
+    apiVersion: autoscaling/v2beta1
+    kind: HorizontalPodAutoscaler
+    name: podinfo
+  service:
+    # container port
+    port: 9898
+    # Istio gateways (optional)
+    gateways:
+    - public-gateway.istio-system.svc.cluster.local
+    # Istio virtual service host names (optional)
+    hosts:
+    - podinfo.example.com
+    # HTTP match conditions (optional)
+    match:
+      - uri:
+          prefix: /
+    # HTTP rewrite (optional)
+    rewrite:
+      uri: /
+    # timeout for HTTP requests (optional)
+    timeout: 5s
+    # retry policy when a HTTP request fails (optional)
+    retries:
+      attempts: 3
+  # promote the canary without analysing it (default false)
+  skipAnalysis: false
+  # define the canary analysis timing and KPIs
+  canaryAnalysis:
+    # schedule interval (default 60s)
+    interval: 1m
+    # max number of failed metric checks before rollback
+    threshold: 10
+    # max traffic percentage routed to canary
+    # percentage (0-100)
+    maxWeight: 50
+    # canary increment step
+    # percentage (0-100)
+    stepWeight: 5
+    # Istio Prometheus checks
+    metrics:
+    # builtin Istio checks
+    - name: istio_requests_total
+      # minimum req success rate (non 5xx responses)
+      # percentage (0-100)
+      threshold: 99
+      interval: 1m
+    - name: istio_request_duration_seconds_bucket
+      # maximum req duration P99
+      # milliseconds
+      threshold: 500
+      interval: 30s
+    # custom check
+    - name: "kafka lag"
+      threshold: 100
+      query: |
+        avg_over_time(
+          kafka_consumergroup_lag{
+            consumergroup=~"podinfo-consumer-.*",
+            topic="podinfo"
+          }[1m]
+        )
+    # external checks (optional)
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          cmd: "hey -z 1m -q 10 -c 2 http://podinfo.test:9898/"
+```
+
+For more details on how the canary analysis and promotion works please [read the docs](https://docs.flagger.app/how-it-works).
+
+### Roadmap
+
+* Add A/B testing capabilities using fixed routing based on HTTP headers and cookies match conditions
+* Integrate with other service mesh technologies like AWS AppMesh and Linkerd v2
+* Add support for comparing the canary metrics to the primary ones and do the validation based on the derivation between the two
+
+### Contributing
+
+Flagger is Apache 2.0 licensed and accepts contributions via GitHub pull requests.
+
+When submitting bug reports please include as much details as possible: 
+* which Flagger version
+* which Flagger CRD version
+* which Kubernetes/Istio version
+* what configuration (canary, virtual service and workloads definitions)
+* what happened (Flagger, Istio Pilot and Proxy logs)

artifacts/canaries/canary.yaml

@@ -0,0 +1,68 @@
+apiVersion: flagger.app/v1alpha3
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  # deployment reference
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  # the maximum time in seconds for the canary deployment
+  # to make progress before it is rollback (default 600s)
+  progressDeadlineSeconds: 60
+  # HPA reference (optional)
+  autoscalerRef:
+    apiVersion: autoscaling/v2beta1
+    kind: HorizontalPodAutoscaler
+    name: podinfo
+  service:
+    # container port
+    port: 9898
+    # Istio gateways (optional)
+    gateways:
+    - public-gateway.istio-system.svc.cluster.local
+    # Istio virtual service host names (optional)
+    hosts:
+    - app.istio.weavedx.com
+    # Istio virtual service HTTP match conditions (optional)
+    match:
+      - uri:
+          prefix: /
+    # Istio virtual service HTTP rewrite (optional)
+    rewrite:
+      uri: /
+  # for emergency cases when you want to ship changes
+  # in production without analysing the canary
+  skipAnalysis: false
+  canaryAnalysis:
+    # schedule interval (default 60s)
+    interval: 10s
+    # max number of failed metric checks before rollback
+    threshold: 10
+    # max traffic percentage routed to canary
+    # percentage (0-100)
+    maxWeight: 50
+    # canary increment step
+    # percentage (0-100)
+    stepWeight: 5
+    # Istio Prometheus checks
+    metrics:
+    - name: istio_requests_total
+      # minimum req success rate (non 5xx responses)
+      # percentage (0-100)
+      threshold: 99
+      interval: 1m
+    - name: istio_request_duration_seconds_bucket
+      # maximum req duration P99
+      # milliseconds
+      threshold: 500
+      interval: 30s
+    # external checks (optional)
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          cmd: "hey -z 1m -q 10 -c 2 http://podinfo.test:9898/"

artifacts/canaries/deployment.yaml

@@ -0,0 +1,67 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  minReadySeconds: 5
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: podinfo
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+      labels:
+        app: podinfo
+    spec:
+      containers:
+      - name: podinfod
+        image: quay.io/stefanprodan/podinfo:1.4.0
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 9898
+          name: http
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --level=info
+        - --random-delay=false
+        - --random-error=false
+        env:
+        - name: PODINFO_UI_COLOR
+          value: blue
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 64Mi

artifacts/canaries/hpa.yaml

@@ -0,0 +1,19 @@
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  minReplicas: 2
+  maxReplicas: 4
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      # scale up if usage is above
+      # 99% of the requested CPU (100m)
+      targetAverageUtilization: 99

artifacts/cluster/namespaces/test.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: test
+  labels:
+    istio-injection: enabled

artifacts/cluster/releases/test/backend.yaml

@@ -0,0 +1,26 @@
+apiVersion: flux.weave.works/v1beta1
+kind: HelmRelease
+metadata:
+  name: backend
+  namespace: test
+  annotations:
+    flux.weave.works/automated: "true"
+    flux.weave.works/tag.chart-image: regexp:^1.4.*
+spec:
+  releaseName: backend
+  chart:
+    repository: https://flagger.app/
+    name: podinfo
+    version: 2.0.0
+  values:
+    image:
+      repository: quay.io/stefanprodan/podinfo
+      tag: 1.4.0
+      httpServer:
+        timeout: 30s
+      canary:
+        enabled: true
+        istioIngress:
+          enabled: false
+        loadtest:
+          enabled: true

artifacts/cluster/releases/test/frontend.yaml

@@ -0,0 +1,27 @@
+apiVersion: flux.weave.works/v1beta1
+kind: HelmRelease
+metadata:
+  name: frontend
+  namespace: test
+  annotations:
+    flux.weave.works/automated: "true"
+    flux.weave.works/tag.chart-image: semver:~1.4
+spec:
+  releaseName: frontend
+  chart:
+    repository: https://flagger.app/
+    name: podinfo
+    version: 2.0.0
+  values:
+    image:
+      repository: quay.io/stefanprodan/podinfo
+      tag: 1.4.0
+      backend: http://backend-podinfo:9898/echo
+      canary:
+        enabled: true
+        istioIngress:
+          enabled: true
+          gateway: public-gateway.istio-system.svc.cluster.local
+          host: frontend.istio.example.com
+        loadtest:
+          enabled: true

artifacts/cluster/releases/test/loadtester.yaml

@@ -0,0 +1,18 @@
+apiVersion: flux.weave.works/v1beta1
+kind: HelmRelease
+metadata:
+  name: loadtester
+  namespace: test
+  annotations:
+    flux.weave.works/automated: "true"
+    flux.weave.works/tag.chart-image: glob:0.*
+spec:
+  releaseName: flagger-loadtester
+  chart:
+    repository: https://flagger.app/
+    name: loadtester
+    version: 0.1.0
+  values:
+    image:
+      repository: quay.io/stefanprodan/flagger-loadtester
+      tag: 0.1.0

artifacts/configs/canary.yaml

@@ -0,0 +1,58 @@
+apiVersion: flagger.app/v1alpha3
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  # deployment reference
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  # the maximum time in seconds for the canary deployment
+  # to make progress before it is rollback (default 600s)
+  progressDeadlineSeconds: 60
+  # HPA reference (optional)
+  autoscalerRef:
+    apiVersion: autoscaling/v2beta1
+    kind: HorizontalPodAutoscaler
+    name: podinfo
+  service:
+    # container port
+    port: 9898
+    # Istio gateways (optional)
+    gateways:
+    - public-gateway.istio-system.svc.cluster.local
+    # Istio virtual service host names (optional)
+    hosts:
+    - app.iowa.weavedx.com
+  canaryAnalysis:
+    # schedule interval (default 60s)
+    interval: 10s
+    # max number of failed metric checks before rollback
+    threshold: 10
+    # max traffic percentage routed to canary
+    # percentage (0-100)
+    maxWeight: 50
+    # canary increment step
+    # percentage (0-100)
+    stepWeight: 5
+    # Istio Prometheus checks
+    metrics:
+    - name: istio_requests_total
+      # minimum req success rate (non 5xx responses)
+      # percentage (0-100)
+      threshold: 99
+      interval: 1m
+    - name: istio_request_duration_seconds_bucket
+      # maximum req duration P99
+      # milliseconds
+      threshold: 500
+      interval: 30s
+    # external checks (optional)
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          cmd: "hey -z 1m -q 10 -c 2 http://podinfo.test:9898/"

artifacts/configs/configs.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: podinfo-config-env
+  namespace: test
+data:
+  color: blue
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: podinfo-config-vol
+  namespace: test
+data:
+  output: console
+  textmode: "true"

artifacts/configs/deployment.yaml

@@ -0,0 +1,89 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  minReadySeconds: 5
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: podinfo
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+      labels:
+        app: podinfo
+    spec:
+      containers:
+      - name: podinfod
+        image: quay.io/stefanprodan/podinfo:1.3.0
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 9898
+          name: http
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --level=info
+        - --random-delay=false
+        - --random-error=false
+        env:
+        - name: PODINFO_UI_COLOR
+          valueFrom:
+            configMapKeyRef:
+              name: podinfo-config-env
+              key: color
+        - name: SECRET_USER
+          valueFrom:
+            secretKeyRef:
+              name: podinfo-secret-env
+              key: user
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 64Mi
+        volumeMounts:
+          - name: configs
+            mountPath: /etc/podinfo/configs
+            readOnly: true
+          - name: secrets
+            mountPath: /etc/podinfo/secrets
+            readOnly: true
+      volumes:
+        - name: configs
+          configMap:
+            name: podinfo-config-vol
+        - name: secrets
+          secret:
+            secretName: podinfo-secret-vol

artifacts/configs/hpa.yaml

@@ -0,0 +1,19 @@
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  minReplicas: 1
+  maxReplicas: 4
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      # scale up if usage is above
+      # 99% of the requested CPU (100m)
+      targetAverageUtilization: 99

artifacts/configs/secrets.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: podinfo-secret-env
+  namespace: test
+data:
+  password: cGFzc3dvcmQ=
+  user: YWRtaW4=
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: podinfo-secret-vol
+  namespace: test
+data:
+  key: cGFzc3dvcmQ=

artifacts/flagger/account.yaml

@@ -0,0 +1,35 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: flagger
+  namespace: istio-system
+  labels:
+    app: flagger
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: flagger
+  labels:
+    app: flagger
+rules:
+- apiGroups: ['*']
+  resources: ['*']
+  verbs: ['*']
+- nonResourceURLs: ['*']
+  verbs: ['*']
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: flagger
+  labels:
+    app: flagger
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: flagger
+subjects:
+- kind: ServiceAccount
+  name: flagger
+  namespace: istio-system

artifacts/flagger/crd.yaml

@@ -0,0 +1,121 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: canaries.flagger.app
+spec:
+  group: flagger.app
+  version: v1alpha3
+  versions:
+    - name: v1alpha3
+      served: true
+      storage: true
+    - name: v1alpha2
+      served: true
+      storage: false
+    - name: v1alpha1
+      served: true
+      storage: false
+  names:
+    plural: canaries
+    singular: canary
+    kind: Canary
+    categories:
+      - all
+  scope: Namespaced
+  subresources:
+    status: {}
+  additionalPrinterColumns:
+    - name: Status
+      type: string
+      JSONPath: .status.phase
+    - name: Weight
+      type: string
+      JSONPath: .status.canaryWeight
+    - name: LastTransitionTime
+      type: string
+      JSONPath: .status.lastTransitionTime
+  validation:
+    openAPIV3Schema:
+      properties:
+        spec:
+          required:
+          - targetRef
+          - service
+          - canaryAnalysis
+          properties:
+            progressDeadlineSeconds:
+              type: number
+            targetRef:
+              type: object
+              required: ['apiVersion', 'kind', 'name']
+              properties:
+                apiVersion:
+                  type: string
+                kind:
+                  type: string
+                name:
+                  type: string
+            autoscalerRef:
+              anyOf:
+                - type: string
+                - type: object
+              required: ['apiVersion', 'kind', 'name']
+              properties:
+                apiVersion:
+                  type: string
+                kind:
+                  type: string
+                name:
+                  type: string
+            service:
+              type: object
+              required: ['port']
+              properties:
+                port:
+                  type: number
+                timeout:
+                  type: string
+            skipAnalysis:
+              type: boolean
+            canaryAnalysis:
+              properties:
+                interval:
+                  type: string
+                  pattern: "^[0-9]+(m|s)"
+                threshold:
+                  type: number
+                maxWeight:
+                  type: number
+                stepWeight:
+                  type: number
+                metrics:
+                  type: array
+                  properties:
+                    items:
+                      type: object
+                      required: ['name', 'threshold']
+                      properties:
+                        name:
+                          type: string
+                        interval:
+                          type: string
+                          pattern: "^[0-9]+(m|s)"
+                        threshold:
+                          type: number
+                        query:
+                          type: string
+                webhooks:
+                  type: array
+                  properties:
+                    items:
+                      type: object
+                      required: ['name', 'url', 'timeout']
+                      properties:
+                        name:
+                          type: string
+                        url:
+                          type: string
+                          format: url
+                        timeout:
+                          type: string
+                          pattern: "^[0-9]+(m|s)"

artifacts/flagger/deployment.yaml

@@ -0,0 +1,64 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: flagger
+  namespace: istio-system
+  labels:
+    app: flagger
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: flagger
+  template:
+    metadata:
+      labels:
+        app: flagger
+      annotations:
+        prometheus.io/scrape: "true"
+    spec:
+      serviceAccountName: flagger
+      containers:
+      - name: flagger
+        image: quay.io/stefanprodan/flagger:0.7.0
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: http
+          containerPort: 8080
+        command:
+        - ./flagger
+        - -log-level=info
+        - -control-loop-interval=10s
+        - -metrics-server=http://prometheus.istio-system.svc.cluster.local:9090
+        livenessProbe:
+          exec:
+            command:
+            - wget
+            - --quiet
+            - --tries=1
+            - --timeout=2
+            - --spider
+            - http://localhost:8080/healthz
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - wget
+            - --quiet
+            - --tries=1
+            - --timeout=2
+            - --spider
+            - http://localhost:8080/healthz
+          timeoutSeconds: 5
+        resources:
+          limits:
+            memory: "512Mi"
+            cpu: "1000m"
+          requests:
+            memory: "32Mi"
+            cpu: "10m"
+        securityContext:
+          readOnlyRootFilesystem: true
+          runAsUser: 10001

artifacts/gke/istio-gateway.yaml

@@ -0,0 +1,27 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: Gateway
+metadata:
+  name: public-gateway
+  namespace: istio-system
+spec:
+  selector:
+    istio: ingressgateway
+  servers:
+    - port:
+        number: 80
+        name: http
+        protocol: HTTP
+      hosts:
+        - "*"
+      tls:
+        httpsRedirect: true
+    - port:
+        number: 443
+        name: https
+        protocol: HTTPS
+      hosts:
+        - "*"
+      tls:
+        mode: SIMPLE
+        privateKey: /etc/istio/ingressgateway-certs/tls.key
+        serverCertificate: /etc/istio/ingressgateway-certs/tls.crt

artifacts/gke/istio-prometheus.yaml

@@ -0,0 +1,443 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: prometheus
+  labels:
+    app: prometheus
+rules:
+  - apiGroups: [""]
+    resources:
+      - nodes
+      - services
+      - endpoints
+      - pods
+      - nodes/proxy
+    verbs: ["get", "list", "watch"]
+  - apiGroups: [""]
+    resources:
+      - configmaps
+    verbs: ["get"]
+  - nonResourceURLs: ["/metrics"]
+    verbs: ["get"]
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus
+  labels:
+    app: prometheus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus
+subjects:
+  - kind: ServiceAccount
+    name: prometheus
+    namespace: istio-system
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus
+  namespace: istio-system
+  labels:
+    app: prometheus
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus
+  namespace: istio-system
+  labels:
+    app: prometheus
+data:
+  prometheus.yml: |-
+    global:
+      scrape_interval: 15s
+    scrape_configs:
+
+    - job_name: 'istio-mesh'
+      # Override the global default and scrape targets from this job every 5 seconds.
+      scrape_interval: 5s
+
+      kubernetes_sd_configs:
+      - role: endpoints
+        namespaces:
+          names:
+          - istio-system
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: istio-telemetry;prometheus
+
+
+    # Scrape config for envoy stats
+    - job_name: 'envoy-stats'
+      metrics_path: /stats/prometheus
+      kubernetes_sd_configs:
+      - role: pod
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_pod_container_port_name]
+        action: keep
+        regex: '.*-envoy-prom'
+      - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
+        action: replace
+        regex: ([^:]+)(?::\d+)?;(\d+)
+        replacement: $1:15090
+        target_label: __address__
+      - action: labelmap
+        regex: __meta_kubernetes_pod_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        action: replace
+        target_label: namespace
+      - source_labels: [__meta_kubernetes_pod_name]
+        action: replace
+        target_label: pod_name
+
+      metric_relabel_configs:
+      # Exclude some of the envoy metrics that have massive cardinality
+      # This list may need to be pruned further moving forward, as informed
+      # by performance and scalability testing.
+      - source_labels: [ cluster_name ]
+        regex: '(outbound|inbound|prometheus_stats).*'
+        action: drop
+      - source_labels: [ tcp_prefix ]
+        regex: '(outbound|inbound|prometheus_stats).*'
+        action: drop
+      - source_labels: [ listener_address ]
+        regex: '(.+)'
+        action: drop
+      - source_labels: [ http_conn_manager_listener_prefix ]
+        regex: '(.+)'
+        action: drop
+      - source_labels: [ http_conn_manager_prefix ]
+        regex: '(.+)'
+        action: drop
+      - source_labels: [ __name__ ]
+        regex: 'envoy_tls.*'
+        action: drop
+      - source_labels: [ __name__ ]
+        regex: 'envoy_tcp_downstream.*'
+        action: drop
+      - source_labels: [ __name__ ]
+        regex: 'envoy_http_(stats|admin).*'
+        action: drop
+      - source_labels: [ __name__ ]
+        regex: 'envoy_cluster_(lb|retry|bind|internal|max|original).*'
+        action: drop
+
+
+    - job_name: 'istio-policy'
+      # Override the global default and scrape targets from this job every 5 seconds.
+      scrape_interval: 5s
+      # metrics_path defaults to '/metrics'
+      # scheme defaults to 'http'.
+
+      kubernetes_sd_configs:
+      - role: endpoints
+        namespaces:
+          names:
+          - istio-system
+
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: istio-policy;http-monitoring
+
+    - job_name: 'istio-telemetry'
+      # Override the global default and scrape targets from this job every 5 seconds.
+      scrape_interval: 5s
+      # metrics_path defaults to '/metrics'
+      # scheme defaults to 'http'.
+
+      kubernetes_sd_configs:
+      - role: endpoints
+        namespaces:
+          names:
+          - istio-system
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: istio-telemetry;http-monitoring
+
+    - job_name: 'pilot'
+      # Override the global default and scrape targets from this job every 5 seconds.
+      scrape_interval: 5s
+      # metrics_path defaults to '/metrics'
+      # scheme defaults to 'http'.
+
+      kubernetes_sd_configs:
+      - role: endpoints
+        namespaces:
+          names:
+          - istio-system
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: istio-pilot;http-monitoring
+
+    - job_name: 'galley'
+      # Override the global default and scrape targets from this job every 5 seconds.
+      scrape_interval: 5s
+      # metrics_path defaults to '/metrics'
+      # scheme defaults to 'http'.
+
+      kubernetes_sd_configs:
+      - role: endpoints
+        namespaces:
+          names:
+          - istio-system
+
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: istio-galley;http-monitoring
+
+    # scrape config for API servers
+    - job_name: 'kubernetes-apiservers'
+      kubernetes_sd_configs:
+      - role: endpoints
+        namespaces:
+          names:
+          - default
+      scheme: https
+      tls_config:
+        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+        action: keep
+        regex: kubernetes;https
+
+    # scrape config for nodes (kubelet)
+    - job_name: 'kubernetes-nodes'
+      scheme: https
+      tls_config:
+        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+      kubernetes_sd_configs:
+      - role: node
+      relabel_configs:
+      - action: labelmap
+        regex: __meta_kubernetes_node_label_(.+)
+      - target_label: __address__
+        replacement: kubernetes.default.svc:443
+      - source_labels: [__meta_kubernetes_node_name]
+        regex: (.+)
+        target_label: __metrics_path__
+        replacement: /api/v1/nodes/${1}/proxy/metrics
+
+    # Scrape config for Kubelet cAdvisor.
+    #
+    # This is required for Kubernetes 1.7.3 and later, where cAdvisor metrics
+    # (those whose names begin with 'container_') have been removed from the
+    # Kubelet metrics endpoint.  This job scrapes the cAdvisor endpoint to
+    # retrieve those metrics.
+    #
+    # In Kubernetes 1.7.0-1.7.2, these metrics are only exposed on the cAdvisor
+    # HTTP endpoint; use "replacement: /api/v1/nodes/${1}:4194/proxy/metrics"
+    # in that case (and ensure cAdvisor's HTTP server hasn't been disabled with
+    # the --cadvisor-port=0 Kubelet flag).
+    #
+    # This job is not necessary and should be removed in Kubernetes 1.6 and
+    # earlier versions, or it will cause the metrics to be scraped twice.
+    - job_name: 'kubernetes-cadvisor'
+      scheme: https
+      tls_config:
+        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+      kubernetes_sd_configs:
+      - role: node
+      relabel_configs:
+      - action: labelmap
+        regex: __meta_kubernetes_node_label_(.+)
+      - target_label: __address__
+        replacement: kubernetes.default.svc:443
+      - source_labels: [__meta_kubernetes_node_name]
+        regex: (.+)
+        target_label: __metrics_path__
+        replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
+
+    # scrape config for service endpoints.
+    - job_name: 'kubernetes-service-endpoints'
+      kubernetes_sd_configs:
+      - role: endpoints
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
+        action: keep
+        regex: true
+      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
+        action: replace
+        target_label: __scheme__
+        regex: (https?)
+      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
+        action: replace
+        target_label: __metrics_path__
+        regex: (.+)
+      - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
+        action: replace
+        target_label: __address__
+        regex: ([^:]+)(?::\d+)?;(\d+)
+        replacement: $1:$2
+      - action: labelmap
+        regex: __meta_kubernetes_service_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        action: replace
+        target_label: kubernetes_namespace
+      - source_labels: [__meta_kubernetes_service_name]
+        action: replace
+        target_label: kubernetes_name
+
+    - job_name: 'kubernetes-pods'
+      kubernetes_sd_configs:
+      - role: pod
+      relabel_configs:  # If first two labels are present, pod should be scraped  by the istio-secure job.
+      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
+        action: keep
+        regex: true
+      - source_labels: [__meta_kubernetes_pod_annotation_sidecar_istio_io_status]
+        action: drop
+        regex: (.+)
+      - source_labels: [__meta_kubernetes_pod_annotation_istio_mtls]
+        action: drop
+        regex: (true)
+      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
+        action: replace
+        target_label: __metrics_path__
+        regex: (.+)
+      - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
+        action: replace
+        regex: ([^:]+)(?::\d+)?;(\d+)
+        replacement: $1:$2
+        target_label: __address__
+      - action: labelmap
+        regex: __meta_kubernetes_pod_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        action: replace
+        target_label: namespace
+      - source_labels: [__meta_kubernetes_pod_name]
+        action: replace
+        target_label: pod_name
+
+    - job_name: 'kubernetes-pods-istio-secure'
+      scheme: https
+      tls_config:
+        ca_file: /etc/istio-certs/root-cert.pem
+        cert_file: /etc/istio-certs/cert-chain.pem
+        key_file: /etc/istio-certs/key.pem
+        insecure_skip_verify: true  # prometheus does not support secure naming.
+      kubernetes_sd_configs:
+      - role: pod
+      relabel_configs:
+      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
+        action: keep
+        regex: true
+      # sidecar status annotation is added by sidecar injector and
+      # istio_workload_mtls_ability can be specifically placed on a pod to indicate its ability to receive mtls traffic.
+      - source_labels: [__meta_kubernetes_pod_annotation_sidecar_istio_io_status, __meta_kubernetes_pod_annotation_istio_mtls]
+        action: keep
+        regex: (([^;]+);([^;]*))|(([^;]*);(true))
+      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
+        action: replace
+        target_label: __metrics_path__
+        regex: (.+)
+      - source_labels: [__address__]  # Only keep address that is host:port
+        action: keep    # otherwise an extra target with ':443' is added for https scheme
+        regex: ([^:]+):(\d+)
+      - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
+        action: replace
+        regex: ([^:]+)(?::\d+)?;(\d+)
+        replacement: $1:$2
+        target_label: __address__
+      - action: labelmap
+        regex: __meta_kubernetes_pod_label_(.+)
+      - source_labels: [__meta_kubernetes_namespace]
+        action: replace
+        target_label: namespace
+      - source_labels: [__meta_kubernetes_pod_name]
+        action: replace
+        target_label: pod_name
+---
+
+# Source: istio/charts/prometheus/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: prometheus
+  namespace: istio-system
+  annotations:
+    prometheus.io/scrape: 'true'
+  labels:
+    name: prometheus
+spec:
+  selector:
+    app: prometheus
+  ports:
+    - name: http-prometheus
+      protocol: TCP
+      port: 9090
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: prometheus
+  namespace: istio-system
+  labels:
+    app: prometheus
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: prometheus
+  template:
+    metadata:
+      labels:
+        app: prometheus
+      annotations:
+        sidecar.istio.io/inject: "false"
+        scheduler.alpha.kubernetes.io/critical-pod: ""
+    spec:
+      serviceAccountName: prometheus
+      containers:
+        - name: prometheus
+          image: "docker.io/prom/prometheus:v2.7.1"
+          imagePullPolicy: IfNotPresent
+          args:
+            - '--storage.tsdb.retention=6h'
+            - '--config.file=/etc/prometheus/prometheus.yml'
+          ports:
+            - containerPort: 9090
+              name: http
+          livenessProbe:
+            httpGet:
+              path: /-/healthy
+              port: 9090
+          readinessProbe:
+            httpGet:
+              path: /-/ready
+              port: 9090
+          resources:
+            requests:
+              cpu: 10m
+
+          volumeMounts:
+            - name: config-volume
+              mountPath: /etc/prometheus
+            - mountPath: /etc/istio-certs
+              name: istio-certs
+      volumes:
+        - name: config-volume
+          configMap:
+            name: prometheus
+        - name: istio-certs
+          secret:
+            defaultMode: 420
+            optional: true
+            secretName: istio.default

artifacts/loadtester/deployment.yaml

@@ -0,0 +1,60 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: flagger-loadtester
+  labels:
+    app: flagger-loadtester
+spec:
+  selector:
+    matchLabels:
+      app: flagger-loadtester
+  template:
+    metadata:
+      labels:
+        app: flagger-loadtester
+      annotations:
+        prometheus.io/scrape: "true"
+    spec:
+      containers:
+        - name: loadtester
+          image: quay.io/stefanprodan/flagger-loadtester:0.1.0
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 8080
+          command:
+            - ./loadtester
+            - -port=8080
+            - -log-level=info
+            - -timeout=1h
+            - -log-cmd-output=true
+          livenessProbe:
+            exec:
+              command:
+                - wget
+                - --quiet
+                - --tries=1
+                - --timeout=4
+                - --spider
+                - http://localhost:8080/healthz
+            timeoutSeconds: 5
+          readinessProbe:
+            exec:
+              command:
+                - wget
+                - --quiet
+                - --tries=1
+                - --timeout=4
+                - --spider
+                - http://localhost:8080/healthz
+            timeoutSeconds: 5
+          resources:
+            limits:
+              memory: "512Mi"
+              cpu: "1000m"
+            requests:
+              memory: "32Mi"
+              cpu: "10m"
+          securityContext:
+            readOnlyRootFilesystem: true
+            runAsUser: 10001

artifacts/loadtester/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: flagger-loadtester
+  labels:
+    app: flagger-loadtester
+spec:
+  type: ClusterIP
+  selector:
+    app: flagger-loadtester
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: http

artifacts/namespaces/test.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: test
+  labels:
+    istio-injection: enabled

artifacts/routing/destination-rule.yaml

@@ -0,0 +1,45 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  gateways:
+    - public-gateway.istio-system.svc.cluster.local
+    - mesh
+  hosts:
+    - podinfo.istio.weavedx.com
+    - podinfo
+  http:
+    - route:
+        - destination:
+            host: podinfo
+            subset: primary
+          weight: 50
+        - destination:
+            host: podinfo
+            subset: canary
+          weight: 50
+---
+apiVersion: networking.istio.io/v1alpha3
+kind: DestinationRule
+metadata:
+  name: podinfo-destination
+  namespace: test
+spec:
+  host: podinfo
+  trafficPolicy:
+    loadBalancer:
+      consistentHash:
+        httpCookie:
+          name: istiouser
+          ttl: 30s
+  subsets:
+    - name: primary
+      labels:
+        app: podinfo
+        role: primary
+    - name: canary
+      labels:
+        app: podinfo
+        role: canary

artifacts/routing/match.yaml

@@ -0,0 +1,34 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  gateways:
+  - public-gateway.istio-system.svc.cluster.local
+  - mesh
+  hosts:
+  - podinfo.iowa.weavedx.com
+  - podinfo
+  http:
+  - match:
+    - headers:
+        user-agent:
+          regex: ^(?!.*Chrome)(?=.*\bSafari\b).*$
+    route:
+    - destination:
+        host: podinfo-primary
+        port:
+          number: 9898
+      weight: 0
+    - destination:
+        host: podinfo
+        port:
+          number: 9898
+      weight: 100
+  - route:
+    - destination:
+        host: podinfo-primary
+        port:
+          number: 9898
+      weight: 100

artifacts/routing/mirror.yaml

@@ -0,0 +1,25 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  gateways:
+  - public-gateway.istio-system.svc.cluster.local
+  - mesh
+  hosts:
+  - podinfo.iowa.weavedx.com
+  - podinfo
+  http:
+  - route:
+    - destination:
+        host: podinfo-primary
+        port:
+          number: 9898
+      weight: 100
+    mirror:
+      host: podinfo
+      port:
+        number: 9898

artifacts/routing/weight.yaml

@@ -0,0 +1,26 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  gateways:
+  - public-gateway.istio-system.svc.cluster.local
+  - mesh
+  hosts:
+  - podinfo.iowa.weavedx.com
+  - podinfo
+  http:
+  - route:
+    - destination:
+        host: podinfo-primary
+        port:
+          number: 9898
+      weight: 100
+    - destination:
+        host: podinfo
+        port:
+          number: 9898
+      weight: 0

artifacts/workloads/canary-deployment.yaml

@@ -0,0 +1,75 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  replicas: 1
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: podinfo
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+      labels:
+        app: podinfo
+    spec:
+      containers:
+      - name: podinfod
+        image: quay.io/stefanprodan/podinfo:1.2.0
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 9898
+          name: http
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --level=info
+        - --random-delay=false
+        - --random-error=false
+        env:
+        - name: PODINFO_UI_COLOR
+          value: green
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          failureThreshold: 3
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 2
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          failureThreshold: 3
+          periodSeconds: 3
+          successThreshold: 1
+          timeoutSeconds: 2
+        resources:
+          limits:
+            cpu: 1000m
+            memory: 256Mi
+          requests:
+            cpu: 100m
+            memory: 16Mi
+        volumeMounts:
+        - mountPath: /data
+          name: data
+      volumes:
+      - emptyDir: {}
+        name: data

artifacts/workloads/canary-hpa.yaml

@@ -0,0 +1,23 @@
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  minReplicas: 2
+  maxReplicas: 3
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      # scale up if usage is above
+      # 99% of the requested CPU (100m)
+      targetAverageUtilization: 99
+  - type: Resource
+    resource:
+      name: memory
+      targetAverageValue: 200Mi

artifacts/workloads/canary-service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  type: ClusterIP
+  selector:
+    app: podinfo
+  ports:
+  - name: http
+    port: 9898
+    protocol: TCP
+    targetPort: http

artifacts/workloads/primary-deployment.yaml

@@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: podinfo-primary
+  namespace: test
+  labels:
+    app: podinfo-primary
+spec:
+  replicas: 1
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: podinfo-primary
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+      labels:
+        app: podinfo-primary
+    spec:
+      containers:
+      - name: podinfod
+        image: quay.io/stefanprodan/podinfo:1.1.1
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 9898
+          name: http
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=9898
+        - --level=info
+        - --random-delay=false
+        - --random-error=false
+        env:
+        - name: PODINFO_UI_COLOR
+          value: blue
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/healthz
+          initialDelaySeconds: 5
+          failureThreshold: 3
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:9898/readyz
+          initialDelaySeconds: 5
+          failureThreshold: 3
+          periodSeconds: 3
+          successThreshold: 1
+          timeoutSeconds: 1
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 10m
+            memory: 64Mi

artifacts/workloads/primary-hpa.yaml

@@ -0,0 +1,19 @@
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: podinfo-primary
+  namespace: test
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo-primary
+  minReplicas: 2
+  maxReplicas: 4
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      # scale up if usage is above
+      # 99% of the requested CPU (100m)
+      targetAverageUtilization: 99

artifacts/workloads/primary-service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: podinfo-primary
+  namespace: test
+  labels:
+    app: podinfo-primary
+spec:
+  type: ClusterIP
+  selector:
+    app: podinfo-primary
+  ports:
+  - name: http
+    port: 9898
+    protocol: TCP
+    targetPort: http

artifacts/workloads/virtual-service.yaml

@@ -0,0 +1,30 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: podinfo
+  namespace: test
+  labels:
+    app: podinfo
+spec:
+  gateways:
+  - public-gateway.istio-system.svc.cluster.local
+  - mesh
+  hosts:
+  - podinfo.istio.weavedx.com
+  - podinfo
+  http:
+  - route:
+    - destination:
+        host: podinfo-primary
+        port:
+          number: 9898
+      weight: 100
+    - destination:
+        host: podinfo
+        port:
+          number: 9898
+      weight: 0
+    timeout: 10s
+    retries:
+      attempts: 3
+      perTryTimeout: 2s

assets/img/search.83621669.svg

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assets/js/4.9ac45811.js

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assets/js/5.fd30eb93.js

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assets/js/6.4f9d90d2.js

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assets/js/7.e62ef287.js

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charts/flagger/.helmignore

@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

charts/flagger/Chart.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+name: flagger
+version: 0.7.0
+appVersion: 0.7.0
+kubeVersion: ">=1.11.0-0"
+engine: gotpl
+description: Flagger is a Kubernetes operator that automates the promotion of canary deployments using Istio routing for traffic shifting and Prometheus metrics for canary analysis.
+home: https://docs.flagger.app
+icon: https://raw.githubusercontent.com/stefanprodan/flagger/master/docs/logo/flagger-icon.png
+sources:
+- https://github.com/stefanprodan/flagger
+maintainers:
+- name: stefanprodan
+  url: https://github.com/stefanprodan
+  email: stefanprodan@users.noreply.github.com
+keywords:
+- canary
+- istio
+- gitops

charts/flagger/README.md

@@ -0,0 +1,84 @@
+# Flagger
+
+[Flagger](https://github.com/stefanprodan/flagger) is a Kubernetes operator that automates the promotion of 
+canary deployments using Istio routing for traffic shifting and Prometheus metrics for canary analysis. 
+Flagger implements a control loop that gradually shifts traffic to the canary while measuring key performance indicators
+like HTTP requests success rate, requests average duration and pods health.
+Based on the KPIs analysis a canary is promoted or aborted and the analysis result is published to Slack.
+
+## Prerequisites
+
+* Kubernetes >= 1.11
+* Istio >= 1.0
+* Prometheus >= 2.6
+
+## Installing the Chart
+
+Add Flagger Helm repository:
+
+```console
+helm repo add flagger https://flagger.app
+```
+
+To install the chart with the release name `flagger`:
+
+```console
+$ helm install --name flagger --namespace istio-system flagger/flagger
+```
+
+The command deploys Flagger on the Kubernetes cluster in the istio-system namespace.
+The [configuration](#configuration) section lists the parameters that can be configured during installation.
+
+## Uninstalling the Chart
+
+To uninstall/delete the `flagger` deployment:
+
+```console
+$ helm delete --purge flagger
+```
+
+The command removes all the Kubernetes components associated with the chart and deletes the release.
+
+## Configuration
+
+The following tables lists the configurable parameters of the Flagger chart and their default values.
+
+Parameter | Description | Default
+--- | --- | ---
+`image.repository` | image repository | `quay.io/stefanprodan/flagger`
+`image.tag` | image tag | `<VERSION>`
+`image.pullPolicy` | image pull policy | `IfNotPresent`
+`metricsServer` | Prometheus URL | `http://prometheus.istio-system:9090`
+`slack.url` | Slack incoming webhook | None
+`slack.channel` | Slack channel | None
+`slack.user` | Slack username | `flagger`
+`rbac.create` | if `true`, create and use RBAC resources | `true`
+`crd.create` | if `true`, create Flagger's CRDs | `true`
+`resources.requests/cpu` | pod CPU request | `10m`
+`resources.requests/memory` | pod memory request | `32Mi`
+`resources.limits/cpu` | pod CPU limit | `1000m`
+`resources.limits/memory` | pod memory limit | `512Mi`
+`affinity` | node/pod affinities | None
+`nodeSelector` | node labels for pod assignment | `{}`
+`tolerations` | list of node taints to tolerate | `[]`
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm upgrade`. For example,
+
+```console
+$ helm upgrade -i flagger flagger/flagger \
+  --namespace istio-system \
+  --set slack.url=https://hooks.slack.com/services/YOUR/SLACK/WEBHOOK \
+  --set slack.channel=general
+```
+
+Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
+
+```console
+$ helm upgrade -i flagger flagger/flagger \
+  --namespace istio-system \
+  -f values.yaml
+```
+
+> **Tip**: You can use the default [values.yaml](values.yaml)
+
+

charts/flagger/templates/NOTES.txt

@@ -0,0 +1 @@
+Flagger installed

charts/flagger/templates/_helpers.tpl

@@ -0,0 +1,42 @@
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "flagger.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "flagger.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "flagger.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "flagger.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "flagger.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

charts/flagger/templates/account.yaml

@@ -0,0 +1,11 @@
+{{- if .Values.serviceAccount.create }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ template "flagger.serviceAccountName" . }}
+  labels:
+    helm.sh/chart: {{ template "flagger.chart" . }}
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

charts/flagger/templates/crd.yaml

@@ -0,0 +1,123 @@
+{{- if .Values.crd.create }}
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: canaries.flagger.app
+spec:
+  group: flagger.app
+  version: v1alpha3
+  versions:
+    - name: v1alpha3
+      served: true
+      storage: true
+    - name: v1alpha2
+      served: true
+      storage: false
+    - name: v1alpha1
+      served: true
+      storage: false
+  names:
+    plural: canaries
+    singular: canary
+    kind: Canary
+    categories:
+      - all
+  scope: Namespaced
+  subresources:
+    status: {}
+  additionalPrinterColumns:
+    - name: Status
+      type: string
+      JSONPath: .status.phase
+    - name: Weight
+      type: string
+      JSONPath: .status.canaryWeight
+    - name: LastTransitionTime
+      type: string
+      JSONPath: .status.lastTransitionTime
+  validation:
+    openAPIV3Schema:
+      properties:
+        spec:
+          required:
+            - targetRef
+            - service
+            - canaryAnalysis
+          properties:
+            progressDeadlineSeconds:
+              type: number
+            targetRef:
+              type: object
+              required: ['apiVersion', 'kind', 'name']
+              properties:
+                apiVersion:
+                  type: string
+                kind:
+                  type: string
+                name:
+                  type: string
+            autoscalerRef:
+              anyOf:
+                - type: string
+                - type: object
+              required: ['apiVersion', 'kind', 'name']
+              properties:
+                apiVersion:
+                  type: string
+                kind:
+                  type: string
+                name:
+                  type: string
+            service:
+              type: object
+              required: ['port']
+              properties:
+                port:
+                  type: number
+                timeout:
+                  type: string
+            skipAnalysis:
+              type: boolean
+            canaryAnalysis:
+              properties:
+                interval:
+                  type: string
+                  pattern: "^[0-9]+(m|s)"
+                threshold:
+                  type: number
+                maxWeight:
+                  type: number
+                stepWeight:
+                  type: number
+                metrics:
+                  type: array
+                  properties:
+                    items:
+                      type: object
+                      required: ['name', 'threshold']
+                      properties:
+                        name:
+                          type: string
+                        interval:
+                          type: string
+                          pattern: "^[0-9]+(m|s)"
+                        threshold:
+                          type: number
+                        query:
+                          type: string
+                webhooks:
+                  type: array
+                  properties:
+                    items:
+                      type: object
+                      required: ['name', 'url', 'timeout']
+                      properties:
+                        name:
+                          type: string
+                        url:
+                          type: string
+                          format: url
+                        timeout:
+                          type: string
+                          pattern: "^[0-9]+(m|s)"
+{{- end }}

charts/flagger/templates/deployment.yaml

@@ -0,0 +1,77 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "flagger.fullname" . }}
+  labels:
+    helm.sh/chart: {{ template "flagger.chart" . }}
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ template "flagger.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ template "flagger.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+      serviceAccountName: {{ template "flagger.serviceAccountName" . }}
+      containers:
+        - name: flagger
+          securityContext:
+            readOnlyRootFilesystem: true
+            runAsUser: 10001
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+          - name: http
+            containerPort: 8080
+          command:
+          - ./flagger
+          - -log-level=info
+          - -metrics-server={{ .Values.metricsServer }}
+          {{- if .Values.slack.url }}
+          - -slack-url={{ .Values.slack.url }}
+          - -slack-user={{ .Values.slack.user }}
+          - -slack-channel={{ .Values.slack.channel }}
+          {{- end }}
+          livenessProbe:
+            exec:
+              command:
+              - wget
+              - --quiet
+              - --tries=1
+              - --timeout=4
+              - --spider
+              - http://localhost:8080/healthz
+            timeoutSeconds: 5
+          readinessProbe:
+            exec:
+              command:
+              - wget
+              - --quiet
+              - --tries=1
+              - --timeout=4
+              - --spider
+              - http://localhost:8080/healthz
+            timeoutSeconds: 5
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | indent 8 }}
+    {{- end }}

charts/flagger/templates/rbac.yaml

@@ -0,0 +1,35 @@
+{{- if .Values.rbac.create }}
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: {{ template "flagger.fullname" . }}
+  labels:
+    helm.sh/chart: {{ template "flagger.chart" . }}
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+rules:
+- apiGroups: ['*']
+  resources: ['*']
+  verbs: ['*']
+- nonResourceURLs: ['*']
+  verbs: ['*']
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ template "flagger.fullname" . }}
+  labels:
+    helm.sh/chart: {{ template "flagger.chart" . }}
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ template "flagger.fullname" . }}
+subjects:
+- name: {{ template "flagger.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}
+  kind: ServiceAccount
+{{- end }}

charts/flagger/values.yaml

@@ -0,0 +1,45 @@
+# Default values for flagger.
+
+image:
+  repository: quay.io/stefanprodan/flagger
+  tag: 0.7.0
+  pullPolicy: IfNotPresent
+
+metricsServer: "http://prometheus.istio-system.svc.cluster.local:9090"
+
+slack:
+  user: flagger
+  channel:
+  # incoming webhook https://api.slack.com/incoming-webhooks
+  url:
+
+serviceAccount:
+  # serviceAccount.create: Whether to create a service account or not
+  create: true
+  # serviceAccount.name: The name of the service account to create or use
+  name: ""
+
+rbac:
+  # rbac.create: `true` if rbac resources should be created
+  create: true
+
+crd:
+  # crd.create: `true` if custom resource definitions should be created
+  create: true
+
+nameOverride: ""
+fullnameOverride: ""
+
+resources:
+  limits:
+    memory: "512Mi"
+    cpu: "1000m"
+  requests:
+    memory: "32Mi"
+    cpu: "10m"
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}

charts/grafana/.helmignore

@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

charts/grafana/Chart.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+name: grafana
+version: 1.0.0
+appVersion: 5.4.3
+description: Grafana dashboards for monitoring Flagger canary deployments
+icon: https://raw.githubusercontent.com/stefanprodan/flagger/master/docs/logo/flagger-icon.png
+home: https://flagger.app
+sources:
+- https://github.com/stefanprodan/flagger
+maintainers:
+- name: stefanprodan
+  url: https://github.com/stefanprodan
+  email: stefanprodan@users.noreply.github.com

charts/grafana/README.md

@@ -0,0 +1,79 @@
+# Flagger Grafana
+
+Grafana dashboards for monitoring progressive deployments powered by Istio, Prometheus and Flagger.
+
+![flagger-grafana](https://raw.githubusercontent.com/stefanprodan/flagger/master/docs/screens/grafana-canary-analysis.png)
+
+## Prerequisites
+
+* Kubernetes >= 1.11
+* Istio >= 1.0
+* Prometheus >= 2.6
+
+## Installing the Chart
+
+Add Flagger Helm repository:
+
+```console
+helm repo add flagger https://flagger.app
+```
+
+To install the chart with the release name `flagger-grafana`:
+
+```console
+helm upgrade -i flagger-grafana flagger/grafana \
+--namespace=istio-system \
+--set url=http://prometheus:9090 \
+--set user=admin \
+--set password=admin
+```
+
+The command deploys Grafana on the Kubernetes cluster in the default namespace.
+The [configuration](#configuration) section lists the parameters that can be configured during installation.
+
+## Uninstalling the Chart
+
+To uninstall/delete the `flagger-grafana` deployment:
+
+```console
+helm delete --purge flagger-grafana
+```
+
+The command removes all the Kubernetes components associated with the chart and deletes the release.
+
+## Configuration
+
+The following tables lists the configurable parameters of the Grafana chart and their default values.
+
+Parameter | Description | Default
+--- | --- | ---
+`image.repository` | Image repository | `grafana/grafana`
+`image.pullPolicy` | Image pull policy | `IfNotPresent`
+`image.tag` | Image tag | `<VERSION>`
+`replicaCount` | desired number of pods | `1`
+`resources` | pod resources | `none`
+`tolerations` | List of node taints to tolerate | `[]`
+`affinity` | node/pod affinities | `node`
+`nodeSelector` | node labels for pod assignment | `{}`
+`service.type` | type of service | `ClusterIP`
+`url` | Prometheus URL, used when Weave Cloud token is empty | `http://prometheus:9090`
+`token` | Weave Cloud token | `none`
+`user` | Grafana admin username | `admin`
+`password` | Grafana admin password | `admin`
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
+
+```console
+helm install flagger/grafana --name flagger-grafana \
+--set token=WEAVE-CLOUD-TOKEN
+```
+
+Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
+
+```console
+helm install flagger/grafana --name flagger-grafana -f values.yaml
+```
+
+> **Tip**: You can use the default [values.yaml](values.yaml)
+
+

charts/grafana/templates/NOTES.txt

@@ -0,0 +1,15 @@
+1. Get the application URL by running these commands:
+{{- if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "grafana.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get svc -w {{ template "grafana.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "grafana.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "grafana.name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl port-forward $POD_NAME 8080:80
+{{- end }}

charts/grafana/templates/_helpers.tpl

@@ -0,0 +1,32 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "grafana.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "grafana.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "grafana.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

charts/grafana/templates/dashboards-cfg.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "grafana.fullname" . }}-dashboards
+data:
+{{ (.Files.Glob "dashboards/*").AsConfig | indent 2 }}

charts/grafana/templates/datasources-cfg.yaml

@@ -0,0 +1,32 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "grafana.fullname" . }}-datasources
+data:
+  datasources.yaml: |-
+    apiVersion: 1
+
+    deleteDatasources:
+      - name: prometheus
+{{- if .Values.token }}
+    datasources:
+    - name: prometheus
+      type: prometheus
+      access: proxy
+      url: https://cloud.weave.works/api/prom
+      isDefault: true
+      editable: true
+      version: 1
+      basicAuth: true
+      basicAuthUser: weave
+      basicAuthPassword: {{ .Values.token }}
+{{- else }}
+    datasources:
+    - name: prometheus
+      type: prometheus
+      access: proxy
+      url: {{ .Values.url }}
+      isDefault: true
+      editable: true
+      version: 1
+{{- end }}

charts/grafana/templates/deployment.yaml

@@ -0,0 +1,90 @@
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: {{ template "grafana.fullname" . }}
+  labels:
+    app: {{ template "grafana.fullname" . }}
+    chart: {{ template "grafana.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ template "grafana.fullname" . }}
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "grafana.fullname" . }}
+        release: {{ .Release.Name }}
+      annotations:
+        prometheus.io/scrape: 'false'
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 3000
+              protocol: TCP
+#          livenessProbe:
+#            httpGet:
+#              path: /
+#              port: http
+#          readinessProbe:
+#            httpGet:
+#              path: /
+#              port: http
+          env:
+          - name: GF_PATHS_PROVISIONING
+            value: /etc/grafana/provisioning/
+          {{- if .Values.password }}
+          - name: GF_SECURITY_ADMIN_USER
+            value: {{ .Values.user }}
+          - name: GF_SECURITY_ADMIN_PASSWORD
+            value: {{ .Values.password }}
+          {{- else }}
+          - name: GF_AUTH_BASIC_ENABLED
+            value: "false"
+          - name: GF_AUTH_ANONYMOUS_ENABLED
+            value: "true"
+          - name: GF_AUTH_ANONYMOUS_ORG_ROLE
+            value: Admin
+          {{- end }}
+          volumeMounts:
+          - name: grafana
+            mountPath: /var/lib/grafana
+          - name: dashboards
+            mountPath: /etc/grafana/dashboards
+          - name: datasources
+            mountPath: /etc/grafana/provisioning/datasources
+          - name: providers
+            mountPath: /etc/grafana/provisioning/dashboards
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+      volumes:
+      - name: grafana
+        emptyDir: {}
+      - name: dashboards
+        configMap:
+          name: {{ template "grafana.fullname" . }}-dashboards
+      - name: providers
+        configMap:
+          name: {{ template "grafana.fullname" . }}-providers
+      - name: datasources
+        configMap:
+          name: {{ template "grafana.fullname" . }}-datasources

charts/grafana/templates/providers-cfg.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "grafana.fullname" . }}-providers
+data:
+  providers.yaml: |+
+    apiVersion: 1
+
+    providers:
+    - name: 'default'
+      orgId: 1
+      folder: ''
+      type: file
+      disableDeletion: false
+      editable: true
+      options:
+        path: /etc/grafana/dashboards

charts/grafana/templates/service.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "grafana.fullname" . }}
+  labels:
+    app: {{ template "grafana.name" . }}
+    chart: {{ template "grafana.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app: {{ template "grafana.fullname" . }}
+    release: {{ .Release.Name }}

charts/grafana/values.yaml

@@ -0,0 +1,37 @@
+# Default values for grafana.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: grafana/grafana
+  tag: 5.4.3
+  pullPolicy: IfNotPresent
+
+service:
+  type: ClusterIP
+  port: 80
+
+resources: {}
+  # limits:
+  #  cpu: 100m
+  #  memory: 128Mi
+  # requests:
+  #  cpu: 100m
+  #  memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+user: admin
+password:
+
+# Istio Prometheus instance
+url: http://prometheus:9090
+
+# Weave Cloud instance token
+token:

charts/loadtester/.helmignore

@@ -0,0 +1,22 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/loadtester/Chart.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+name: loadtester
+version: 0.1.0
+appVersion: 0.1.0
+kubeVersion: ">=1.11.0-0"
+engine: gotpl
+description: Flagger's load testing services based on rakyll/hey that generates traffic during canary analysis when configured as a webhook.
+home: https://docs.flagger.app
+icon: https://raw.githubusercontent.com/stefanprodan/flagger/master/docs/logo/flagger-icon.png
+sources:
+  - https://github.com/stefanprodan/flagger
+maintainers:
+  - name: stefanprodan
+    url: https://github.com/stefanprodan
+    email: stefanprodan@users.noreply.github.com
+keywords:
+  - canary
+  - istio
+  - gitops
+  - load testing

charts/loadtester/README.md

@@ -0,0 +1,78 @@
+# Flagger load testing service
+
+[Flagger's](https://github.com/stefanprodan/flagger) load testing service is based on 
+[rakyll/hey](https://github.com/rakyll/hey) 
+and can be used to generates traffic during canary analysis when configured as a webhook.
+
+## Prerequisites
+
+* Kubernetes >= 1.11
+* Istio >= 1.0
+
+## Installing the Chart
+
+Add Flagger Helm repository:
+
+```console
+helm repo add flagger https://flagger.app
+```
+
+To install the chart with the release name `flagger-loadtester`:
+
+```console
+helm upgrade -i flagger-loadtester flagger/loadtester
+```
+
+The command deploys Grafana on the Kubernetes cluster in the default namespace.
+
+> **Tip**: Note that the namespace where you deploy the load tester should have the Istio sidecar injection enabled
+
+The [configuration](#configuration) section lists the parameters that can be configured during installation.
+
+## Uninstalling the Chart
+
+To uninstall/delete the `flagger-loadtester` deployment:
+
+```console
+helm delete --purge flagger-loadtester
+```
+
+The command removes all the Kubernetes components associated with the chart and deletes the release.
+
+## Configuration
+
+The following tables lists the configurable parameters of the load tester chart and their default values.
+
+Parameter | Description | Default
+--- | --- | ---
+`image.repository` | Image repository | `quay.io/stefanprodan/flagger-loadtester`
+`image.pullPolicy` | Image pull policy | `IfNotPresent`
+`image.tag` | Image tag | `<VERSION>`
+`replicaCount` | desired number of pods | `1`
+`resources.requests.cpu` | CPU requests | `10m`
+`resources.requests.memory` | memory requests | `64Mi`
+`tolerations` | List of node taints to tolerate | `[]`
+`affinity` | node/pod affinities | `node`
+`nodeSelector` | node labels for pod assignment | `{}`
+`service.type` | type of service | `ClusterIP`
+`service.port` | ClusterIP port | `80`
+`cmd.logOutput` | Log the command output to stderr | `true`
+`cmd.timeout` | Command execution timeout | `1h`
+`logLevel` | Log level can be debug, info, warning, error or panic | `info`
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
+
+```console
+helm install flagger/loadtester --name flagger-loadtester \
+--set cmd.logOutput=false
+```
+
+Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
+
+```console
+helm install flagger/loadtester --name flagger-loadtester -f values.yaml
+```
+
+> **Tip**: You can use the default [values.yaml](values.yaml)
+
+

charts/loadtester/templates/NOTES.txt

@@ -0,0 +1 @@
+Flagger's load testing service is available at http://{{ include "loadtester.fullname" . }}.{{ .Release.Namespace }}/

charts/loadtester/templates/_helpers.tpl

@@ -0,0 +1,32 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "loadtester.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "loadtester.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "loadtester.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}