reusable_release.yml

---
on:
  workflow_call:
    inputs:
      chart_name:
        type: string
        required: true
        description: "Chart name to release"
      chart_dir:
        type: string
        required: true
        description: "Chart path to release"
      include_paths:
        type: string
        default: '**/*'
        description: "Include paths to determine related commits, comma-separated list"
      exclude_paths:
        type: string
        default: ""
        description: "Exclude paths to determine related commits, comma-separated list"
      chart_yaml_version_keys:
        type: string
        required: true
        description: "Keys in the Chart.yaml to replace with the new version"
      repository_owner:
        type: string
        default: elastiflow
        description: "Repository owner to push the Helm registry index"
      repository_name:
        type: string
        default: helm-chart-netobserv
        description: "Repository name to push the Helm registry index"
      runs-on:
        type: string
        default: ubuntu-latest
        description: "GHA runner for the job (ubuntu-latest, ubuntu-latest-4c, ubuntu-latest-8c)"
      timeout-minutes:
        type: number
        default: 15
        description: "Job timeout in minutes"

env:
  CHART_DIR: ${{ inputs.chart_dir }}

jobs:
  # Detect if a commit was made from a release PR with title like '[release v0.1.1] (#49)'
  release_or_pr:
    name: Release or Release PR?
    runs-on: ${{ inputs.runs-on }}
    timeout-minutes: ${{ inputs.timeout-minutes }}
    outputs:
      is_release: ${{ steps.release_or_pr.outputs.is_release }}
    steps:
      - id: release_or_pr
        env:
          COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
        run: |
          cat > /tmp/commit_message <<- EOF
          ${COMMIT_MESSAGE}
          EOF

          # https://regex101.com/r/1z85UX/3
          echo $(grep -Pq '^\[release .+\] \(#[0-9]{1,5}\)$' /tmp/commit_message && echo true || echo false) > /tmp/is_release
          echo "is_release=$(cat /tmp/is_release)" >> $GITHUB_OUTPUT


  release_pr_create:
    name: Release PR create
    needs: [release_or_pr]
    if: ${{ ! fromJson(needs.release_or_pr.outputs.is_release) }}
    runs-on: ${{ inputs.runs-on }}
    timeout-minutes: ${{ inputs.timeout-minutes }}
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
      - name: Prepare Release
        id: prepare_release
        uses: elastiflow/gha-reusable/actions/prepare-release@v0
        with:
          tag_prefix: "${{ inputs.chart_name }}-"
          include_paths: ${{ inputs.include_paths }}
          exclude_paths: ${{ inputs.exclude_paths }}
          changelog_update: true
          changelog_path: ${{ inputs.chart_dir }}/CHANGELOG.md
          bump_version_yaml: true
          bump_version_yaml_path: ${{ inputs.chart_dir }}/Chart.yaml
          bump_version_yaml_key: ${{ inputs.chart_yaml_version_keys }}
      - name: Create Pull Request
        if: ${{ fromJson(steps.prepare_release.outputs.new_release_published) }}
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          base: "${{ github.ref_name }}"
          branch: release-${{ inputs.chart_name }}-from-${{ github.ref_name }}
          title: '[release ${{ inputs.chart_name }}-${{ steps.prepare_release.outputs.new_release_version }}]'
          body: |
            # Description
            Release the v${{ steps.prepare_release.outputs.new_release_version }} version

            # Changelog
            ${{ steps.prepare_release.outputs.new_release_notes }}

  release:
    name: Release
    needs: [release_or_pr]
    if: ${{ fromJson(needs.release_or_pr.outputs.is_release) }}
    runs-on: ${{ inputs.runs-on }}
    timeout-minutes: ${{ inputs.timeout-minutes }}
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
      - name: Prepare Release
        id: prepare_release
        uses: elastiflow/gha-reusable/actions/prepare-release@v0
        with:
          tag_prefix: "${{ inputs.chart_name }}-"
          include_paths: ${{ inputs.include_paths }}
          exclude_paths: ${{ inputs.exclude_paths }}
      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
      - name: Install Helm
        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
      - name: Install Helm dependencies
        run: |
          (helm dependency list ${CHART_DIR} || true) | grep -E 'https://' | while read -r dep; do
            helm repo add $(echo ${dep} | awk '{print $1}') $(echo ${dep} | awk '{print $4}')
          done
      - name: Install chart-releaser
        uses: helm/chart-releaser-action@cae68fefc6b5f367a0275617c9f83181ba54714f # v1.7.0
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        with:
          install_only: true
      - name: Package helm chart
        run: |
          cr package ${CHART_DIR}
      - name: Create GH release
        if: ${{ fromJson(steps.prepare_release.outputs.new_release_published) }}
        uses: softprops/action-gh-release@3bb12739c298aeb8a4eeaf626c5b8d85266b0e65 # v2.6.2
        with:
          name: ${{ inputs.chart_name }}-${{ steps.prepare_release.outputs.new_release_version }}
          tag_name: ${{ inputs.chart_name }}-${{ steps.prepare_release.outputs.new_release_version }}
          body: ${{ steps.prepare_release.outputs.new_release_notes }}
          target_commitish: ${{ github.ref_name }}
          preserve_order: true
          make_latest: true
          files: ".cr-release-packages/${{ inputs.chart_name }}-*.tgz"
      - name: Update GH pages index
        env:
          REPOSITORY_OWNER: ${{ inputs.repository_owner }}
          REPOSITORY_NAME: ${{ inputs.repository_name }}
        run: |
          mkdir .cr-index
          cr index --push -t ${{ secrets.GITHUB_TOKEN }} --owner ${REPOSITORY_OWNER} --git-repo ${REPOSITORY_NAME}