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🎨 helm and actions
new file: .github/workflows/docker.yml; new file: .github/workflows/goreleaser.yml; new file: .github/workflows/helm.yml; new file: .github/workflows/lint.yml; new file: .github/workflows/test.yml; modified: README.md; new file: kube-reqsizer/.helmignore; new file: kube-reqsizer/Chart.yaml; new file: kube-reqsizer/templates/_helpers.tpl; new file: kube-reqsizer/templates/deployment.yaml; new file: kube-reqsizer/templates/leader-election-rbac.yaml; new file: kube-reqsizer/templates/manager-config.yaml; new file: kube-reqsizer/templates/manager-rbac.yaml; new file: kube-reqsizer/templates/metrics-reader-rbac.yaml; new file: kube-reqsizer/templates/metrics-service.yaml; new file: kube-reqsizer/templates/proxy-rbac.yaml; new file: kube-reqsizer/values.yaml
1 parent 6e70aac commit f9dafee

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‎.github/workflows/docker.yml‎

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name: docker
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on:
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push:
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tags:
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- '*'
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jobs:
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docker:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- uses: actions/setup-go@v3
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with:
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go-version: '1.19'
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- name: go get
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run: go get ./...
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- name: go mod tidy
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run: go mod tidy
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- name: Checkout
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uses: actions/checkout@v2
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v1
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v1
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- name: Login to DockerHub
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uses: docker/login-action@v1
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v4
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with:
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# list of Docker images to use as base name for tags
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images: |
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jatalocks333/kube-reqsizer
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- name: Build and push
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uses: docker/build-push-action@v2
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with:
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context: .
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push: true
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# platforms: linux/amd64,linux/arm64
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tags: ${{ steps.meta.outputs.tags }}
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labels: ${{ steps.meta.outputs.labels }}

‎.github/workflows/goreleaser.yml‎

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name: goreleaser
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on:
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push:
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tags:
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- '*'
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permissions:
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contents: write
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jobs:
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goreleaser:
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runs-on: ubuntu-latest
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steps:
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-
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name: Checkout
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uses: actions/checkout@v2
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with:
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fetch-depth: 0
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-
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name: Set up Go
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uses: actions/setup-go@v2
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with:
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go-version: 1.19
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-
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name: Run GoReleaser
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uses: goreleaser/goreleaser-action@v2
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with:
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version: latest
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args: release --rm-dist
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

‎.github/workflows/helm.yml‎

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name: Release Charts
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on:
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push:
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branches:
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- main
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jobs:
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release:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v1
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with:
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fetch-depth: 0
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- name: Configure Git
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run: |
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git config user.name "$GITHUB_ACTOR"
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git config user.email "[email protected]"
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- name: Run chart-releaser
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uses: helm/[email protected]
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env:
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CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

‎.github/workflows/lint.yml‎

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name: golangci-lint
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on: [push, pull_request]
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jobs:
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golangci:
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name: lint
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- uses: actions/setup-go@v3
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with:
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go-version: '1.19'
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- name: go get
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run: go get ./...
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- name: go mod tidy
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run: go mod tidy
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- name: golangci-lint
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uses: golangci/golangci-lint-action@v3
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with:
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version: v1.50.0
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args: -c .golang-ci.yml -v --timeout=5m
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env:
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GO111MODULES: off

‎.github/workflows/test.yml‎

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name: Test and coverage
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on: [push, pull_request]
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jobs:
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test:
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strategy:
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matrix:
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go-version: [1.19.x]
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os: [ubuntu-latest, macos-latest]
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runs-on: ${{ matrix.os }}
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steps:
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- uses: actions/checkout@v3
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with:
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fetch-depth: 2
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- uses: actions/setup-go@v2
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with:
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go-version: ${{ matrix.go-version }}
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- name: go get
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run: go get ./...
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- name: go mod tidy
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run: go mod tidy
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- name: Run coverage
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run: go test -race -coverprofile=coverage.out -covermode=atomic ./...
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- name: Upload coverage to Codecov
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if: matrix.os == 'ubuntu-latest'
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run: bash <(curl -s https://codecov.io/bash)

‎README.md‎

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**Note:** Your controller will automatically use the current context in your kubeconfig file (i.e. whatever cluster `kubectl cluster-info` shows).
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### Running on the cluster
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1. Install Instances of Custom Resources:
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~~1. Install Instances of Custom Resources:~~ _this controller does not use CRDs_
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```sh
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kubectl apply -f config/samples/
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```
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2. Build and push your image to the location specified by `IMG`:
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1. Build and push your image to the location specified by `IMG`:
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```sh
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make docker-build docker-push IMG=<some-registry>/kube-reqsizer:tag
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```
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3. Deploy the controller to the cluster with the image specified by `IMG`:
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2. Deploy the controller to the cluster with the image specified by `IMG`:
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```sh
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make deploy IMG=<some-registry>/kube-reqsizer:tag

‎kube-reqsizer/.helmignore‎

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

‎kube-reqsizer/Chart.yaml‎

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apiVersion: v2
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name: kube-reqsizer
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description: A Helm chart for Kubernetes
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 0.1.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "0.1.0"

‎kube-reqsizer/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "kube-reqsizer.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "kube-reqsizer.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "kube-reqsizer.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "kube-reqsizer.labels" -}}
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helm.sh/chart: {{ include "kube-reqsizer.chart" . }}
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{{ include "kube-reqsizer.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "kube-reqsizer.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "kube-reqsizer.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "kube-reqsizer.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "kube-reqsizer.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}

‎kube-reqsizer/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "kube-reqsizer.fullname" . }}-controller-manager
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labels:
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control-plane: controller-manager
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{{- include "kube-reqsizer.labels" . | nindent 4 }}
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spec:
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replicas: {{ .Values.controllerManager.replicas }}
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selector:
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matchLabels:
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control-plane: controller-manager
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{{- include "kube-reqsizer.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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labels:
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control-plane: controller-manager
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{{- include "kube-reqsizer.selectorLabels" . | nindent 8 }}
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spec:
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containers:
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- args:
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- --secure-listen-address=0.0.0.0:8443
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- --upstream=http://127.0.0.1:8080/
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- --logtostderr=true
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- --v=10
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env:
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- name: KUBERNETES_CLUSTER_DOMAIN
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value: {{ .Values.kubernetesClusterDomain }}
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image: {{ .Values.controllerManager.kubeRbacProxy.image.repository }}:{{ .Values.controllerManager.kubeRbacProxy.image.tag | default .Chart.AppVersion }}
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name: kube-rbac-proxy
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ports:
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- containerPort: 8443
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name: https
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resources: {}
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- args:
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- --health-probe-bind-address=:8081
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- --metrics-bind-address=127.0.0.1:8080
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- --leader-elect
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command:
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- /manager
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env:
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- name: KUBERNETES_CLUSTER_DOMAIN
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value: {{ .Values.kubernetesClusterDomain }}
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image: {{ .Values.controllerManager.manager.image.repository }}:{{ .Values.controllerManager.manager.image.tag | default .Chart.AppVersion }}
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8081
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initialDelaySeconds: 15
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periodSeconds: 20
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name: manager
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readinessProbe:
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httpGet:
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path: /readyz
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port: 8081
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initialDelaySeconds: 5
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periodSeconds: 10
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resources: {{- toYaml .Values.controllerManager.manager.resources | nindent 10
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}}
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securityContext:
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allowPrivilegeEscalation: false
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securityContext:
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runAsUser: 65532
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terminationGracePeriodSeconds: 10

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