create-images.yml

name: Create images

on:
  release:
    types: [published]
  workflow_dispatch:

permissions:
  contents: write
  packages: write

env:
  REGISTRY: ghcr.io
  # Common versions
  GO_VERSION: '1.19'

jobs:
  export-registry-and-tag:
    runs-on: ubuntu-20.04
    outputs:
      registry: ${{ steps.export.outputs.registry }}
      tag: ${{ steps.export.outputs.tag }}
    steps:
      - id: export
        run: |
          # registry must be in lowercase
          echo "registry=$(echo "${{ env.REGISTRY }}/${{ github.repository }}" | tr [:upper:] [:lower:])" >> $GITHUB_OUTPUT
          echo "tag=$(echo ${GITHUB_REF#refs/tags/})" >> "$GITHUB_OUTPUT"

  publish-images:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        apps: [
          exporter,
          server
        ]
    needs:
    - export-registry-and-tag
    env:
      REGISTRY: ${{ needs.export-registry-and-tag.outputs.registry }}
      IMG_TAG: ${{ needs.export-registry-and-tag.outputs.tag }}
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
        with:
          submodules: true
          fetch-depth: 0
      - name: Login to ${{ env.REGISTRY }}
        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ github.token }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226
      - name: Build and push
        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09
        with:
          context: .
          file: docker/${{ matrix.apps }}/Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ matrix.apps }}:${{ env.IMG_TAG }}
          build-args: |
            GO_VERSION=${{ env.GO_VERSION }}
          labels: |
            org.opencontainers.image.source=${{ github.repositoryUrl }}

  publish-chart:
    runs-on: ubuntu-20.04
    needs:
    - export-registry-and-tag
    - publish-images
    env:
      REGISTRY: ${{ needs.export-registry-and-tag.outputs.registry }}
      IMG_TAG: ${{ needs.export-registry-and-tag.outputs.tag }}
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
        with:
          submodules: true
          fetch-depth: 0
      - name: Update values.yaml
        run: |
          sed -i 's|repository: ghcr.io/azure/kubernetes-carbon-intensity-exporter|repository: ${{ env.REGISTRY }}|g' ./charts/carbon-intensity-exporter/values.yaml
          sed -i 's/tag: ".*"/tag: "${{ env.IMG_TAG }}"/g' ./charts/carbon-intensity-exporter/values.yaml
      - name: Update Chart.yaml
        run: |
          sed -i "s/version: .*/version: ${{ env.IMG_TAG }}/g" ./charts/carbon-intensity-exporter/Chart.yaml
          sed -i "s/appVersion: .*/appVersion: ${{ env.IMG_TAG }}/g" ./charts/carbon-intensity-exporter/Chart.yaml
      - name: Login to ${{ env.REGISTRY }}
        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ github.token }}
      - run: |
          helm package ./charts/carbon-intensity-exporter --version ${{ env.IMG_TAG }}
          helm push ./carbon-intensity-exporter-${{ github.ref_name }}.tgz oci://${{ env.REGISTRY }}/charts