publish.yaml

name: Publish artifacts

on:
  release:
    types: [published]

concurrency: release-${{ github.event.release.tag_name }}

env:
  REGCTL_VERSION: v0.4.8
  REGISTRY: ghcr.io
  CHART_DIRECTORY: chart

defaults:
  run:
    shell: bash

jobs:
  validate:
    name: Run validations
    runs-on: ubuntu-22.04

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Validate chart version/appVersion
      run: |
        chart_version=$(yq .version $CHART_DIRECTORY/Chart.yaml)
        app_version=$(yq .appVersion $CHART_DIRECTORY/Chart.yaml)
        if [ "v$chart_version" != "${{ github.event.release.tag_name }}" ]; then
          >&2 echo "Version in $CHART_DIRECTORY/Chart.yaml ($chart_version) does not match release version (${{ github.event.release.tag_name }})."
          exit 1
        fi
        if [ "$app_version" != "${{ github.event.release.tag_name }}" ]; then
          >&2 echo "AppVersion in $CHART_DIRECTORY/Chart.yaml ($app_version) does not match release version (${{ github.event.release.tag_name }})."
          exit 1
        fi

  publish-docker:
    name: Publish Docker image
    runs-on: ubuntu-22.04
    needs: validate
    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Setup Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Log in to the Container registry
      uses: docker/login-action@v2
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ github.token }}

    - name: Prepare repository name
      id: prepare-repository-name
      run: |
        repository=$REGISTRY/${{ github.repository }}
        echo "repository=${repository,,}" >> $GITHUB_OUTPUT

    - name: Prepare custom labels for Docker
      id: extract-custom-labels
      run: |
        echo "labels<<EOF" >> $GITHUB_OUTPUT
        for c in pkg/operator/data/charts/*/Chart.yaml; do
          name=$(yq .name $c)
          version=$(yq .version $c)
          app_version=$(yq .appVersion $c)
          echo "com.sap.cs.image.content.charts.$name.version=$version" >> $GITHUB_OUTPUT
          if [ ! -z "$app_version" ]; then
             echo "com.sap.cs.image.content.charts.$name.app-version=$app_version" >> $GITHUB_OUTPUT
          fi
        done
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Extract metadata (tags, labels) for Docker
      id: extract-metadata
      uses: docker/metadata-action@v4
      with:
        images: ${{ steps.prepare-repository-name.outputs.repository }}
        labels: ${{ steps.extract-custom-labels.outputs.labels }}

    - name: Build and push Docker image
      uses: docker/build-push-action@v4
      with:
        platforms: linux/amd64,linux/arm64
        context: .
        cache-from: |
          type=gha,scope=sha-${{ github.sha }}
          type=gha,scope=${{ github.ref_name }}
          type=gha,scope=${{ github.base_ref || 'main' }}
          type=gha,scope=main
        cache-to: |
          type=gha,scope=sha-${{ github.sha }},mode=max
          type=gha,scope=${{ github.ref_name }},mode=max
        push: true
        tags: ${{ steps.extract-metadata.outputs.tags }}
        labels: ${{ steps.extract-metadata.outputs.labels }}

  publish-crds:
    name: Publish CRD image
    runs-on: ubuntu-22.04
    needs: validate
    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Setup regctl
      uses: regclient/actions/regctl-installer@main
      with:
        release: ${{ env.REGCTL_VERSION }}
        install-dir: ${{ runner.temp }}/bin

    - name: Log in to the registry
      # regctl-login action is currently broken ...
      # uses: regclient/actions/regctl-login@main
      # with:
      #   registry: ${{ env.REGISTRY }}
      #   username: ${{ github.actor }}
      #   password: ${{ github.token }}
      run: |
        regctl registry login $REGISTRY --user ${{ github.actor }} --pass-stdin <<< ${{ github.token }}

    - name: Build and push artifact
      run: |
        cd crds
        repository=$REGISTRY/${{ github.repository }}/crds
        tar cvz * | regctl artifact put -m application/gzip ${repository,,}:${{ github.event.release.tag_name }}