ci.yml

name: CI

on:
  push:
    branches:
      - main
    tags:
      - v*
  pull_request:
    branches:
      - main
  pull_request_target:
    types:
      - closed
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  GOPRIVATE: github.com/weaveworks/cluster-controller

jobs:
  test:
    runs-on: ubuntu-latest
    permissions:
      contents: read # for actions/checkout to fetch code
    steps:
      - name: Configure git for private modules
        env:
          GITHUB_BUILD_USERNAME: ${{ secrets.BUILD_BOT_USER }}
          GITHUB_BUILD_TOKEN: ${{ secrets.BUILD_BOT_PERSONAL_ACCESS_TOKEN }}
        run: git config --global url."https://${GITHUB_BUILD_USERNAME}:${GITHUB_BUILD_TOKEN}@github.com".insteadOf "https://github.com"

      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup
        uses: actions/setup-go@v3
        with:
          go-version: 1.20.x
          cache: true

      - name: Test
        run: make test

  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read # for actions/checkout to fetch code
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0 # for git describe
          ref: ${{ github.event.pull_request.head.sha || github.sha }}

      - name: Get version
        id: get_version
        run: echo "::set-output name=VERSION::$(make version)"

      - name: Log in to the Container registry
        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Configure git for private modules
        env:
          GITHUB_BUILD_USERNAME: ${{ secrets.BUILD_BOT_USER }}
          GITHUB_BUILD_TOKEN: ${{ secrets.BUILD_BOT_PERSONAL_ACCESS_TOKEN }}
        run: git config --global url."https://${GITHUB_BUILD_USERNAME}:${GITHUB_BUILD_TOKEN}@github.com".insteadOf "https://github.com"

      - name: go mod vendor
        run: go mod vendor

      - name: Build and push Docker image
        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: VERSION=${{ steps.get_version.outputs.VERSION }}

  build-push-helm-chart:
    runs-on: ubuntu-latest
    needs: [build, test]
    # only run on tag
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: read # for actions/checkout to fetch code
      packages: write # to upload images/helm-chart
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0 # for git describe
          ref: ${{ github.event.pull_request.head.sha || github.sha }}

      - name: Configure git for private modules
        env:
          GITHUB_BUILD_USERNAME: ${{ secrets.BUILD_BOT_USER }}
          GITHUB_BUILD_TOKEN: ${{ secrets.BUILD_BOT_PERSONAL_ACCESS_TOKEN }}
        run: git config --global url."https://${GITHUB_BUILD_USERNAME}:${GITHUB_BUILD_TOKEN}@github.com".insteadOf "https://github.com"

      - name: Install Helm
        run: |
          wget --no-verbose https://get.helm.sh/helm-v3.12.1-linux-amd64.tar.gz
          tar -zxvf helm-v3.12.1-linux-amd64.tar.gz
          mv linux-amd64/helm /usr/local/bin/helm
          helm version

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and publish chart
        run: |
          make publish-helm-chart