release.yaml

name: Release Charts

on:
  push:
    branches:
      - master
env:
  REGISTRY_IMAGE: docker.io/kubeflow/spark-operator

jobs:
  build-skip-check:
    runs-on: ubuntu-latest
    outputs:
      image_changed: ${{ steps.skip-check.outputs.image_changed }}
      chart_changed: ${{ steps.skip-check.outputs.chart_changed }}
      app_version_tag: ${{ steps.skip-check.outputs.app_version_tag }}
      chart_version_tag: ${{ steps.skip-check.outputs.chart_version_tag }}
    steps:
      - name: Checkout source code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Check if build should be skipped
        id: skip-check
        run: |
          app_version_tag=$(cat charts/spark-operator-chart/Chart.yaml | grep "appVersion: .*" | cut -c13-)
          chart_version_tag=$(cat charts/spark-operator-chart/Chart.yaml | grep "version: .*" | cut -c10-)

          # Initialize flags 
          image_changed=false
          chart_changed=false

          if ! git rev-parse -q --verify "refs/tags/$app_version_tag"; then
            image_changed=true
            git tag $app_version_tag
            git push origin $app_version_tag
            echo "Spark-Operator Docker Image new tag: $app_version_tag released" 
          fi

          if ! git rev-parse -q --verify "refs/tags/spark-operator-chart-$chart_version_tag"; then
            chart_changed=true
            git tag spark-operator-chart-$chart_version_tag
            git push origin spark-operator-chart-$chart_version_tag
            echo "Spark-Operator Helm Chart new tag: spark-operator-chart-$chart_version_tag released" 
          fi

          echo "image_changed=${image_changed}" >> "$GITHUB_OUTPUT"
          echo "chart_changed=${chart_changed}" >> "$GITHUB_OUTPUT"
          echo "app_version_tag=${app_version_tag}" >> "$GITHUB_OUTPUT"
          echo "chart_version_tag=${chart_version_tag}" >> "$GITHUB_OUTPUT"
  release:
    runs-on: ubuntu-latest
    needs:
      - build-skip-check
    if: needs.build-skip-check.outputs.image_changed == 'true'
    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
          echo "SCOPE=${platform//\//-}" >> $GITHUB_ENV
      - name: Set up QEMU
        timeout-minutes: 1
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Install Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.14.3
      - name: Login to Packages Container registry
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and Push Spark-Operator Docker Image to Docker Hub
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform }}
          cache-to: type=gha,mode=max,scope=${{ env.SCOPE }}
          cache-from: type=gha,scope=${{ env.SCOPE }}
          push: true
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1
  publish-image:
    runs-on: ubuntu-latest
    needs:
      - release
      - build-skip-check
    if: needs.build-skip-check.outputs.image_changed == 'true'
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          pattern: digests-*
          path: /tmp/digests
          merge-multiple: true
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: ${{ needs.build-skip-check.outputs.app_version_tag }}
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
          $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
  publish-chart:
    runs-on: ubuntu-latest
    if: needs.build-skip-check.outputs.chart_changed == 'true'
    needs:
      - build-skip-check
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.14.3
      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
      - name: Release Spark-Operator Helm Chart
        uses: helm/chart-releaser-action@v1.6.0
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
          CR_RELEASE_NAME_TEMPLATE: "spark-operator-chart-{{ .Version }}"