publish-new-release.yml

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---
name: "Publish new release"

on:
  pull_request:
    branches:
      - releases
      - support/*
    types:
      - closed

jobs:
  # Gate: Check release version presence
  release-version:
    name: Determine release version
    runs-on: ubuntu-latest
    outputs:
      RELEASE_VERSION: ${{ steps.release-version.outputs.RELEASE_VERSION }}
    steps:
      - name: Extract version from branch name (for release branches)
        if: startsWith(github.event.pull_request.head.ref, 'release/')
        run: |
          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          VERSION=${BRANCH_NAME#release/}

          echo "RELEASE_VERSION=$VERSION" >> $GITHUB_ENV
      - name: Extract version from branch name (for hotfix branches)
        if: startsWith(github.event.pull_request.head.ref, 'hotfix/')
        run: |
          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          VERSION=${BRANCH_NAME#hotfix/}

          echo "RELEASE_VERSION=$VERSION" >> $GITHUB_ENV
      - name: Output release version
        id: release-version
        run: |
          echo "RELEASE_VERSION=${{ env.RELEASE_VERSION }}" >> $GITHUB_OUTPUT

  # Release: Maven Artifacts
  maven-release:
    name: Publish extension's release version to maven repository
    needs: [ release-version ]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    if: github.event.pull_request.merged == true && needs.release-version.outputs.RELEASE_VERSION
    steps:
      - name: Export RELEASE_VERSION env
        run: |
          echo "RELEASE_VERSION=${{ needs.release-version.outputs.RELEASE_VERSION }}" >> $GITHUB_ENV

      # Set-Up
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-java

      # Import GPG Key
      - uses: ./.github/actions/import-gpg-key
        name: "Import GPG Key"
        with:
          gpg-private-key: ${{ secrets.ORG_GPG_PRIVATE_KEY }}

      # publish releases
      - name: Publish version
        env:
          OSSRH_PASSWORD: ${{ secrets.ORG_OSSRH_PASSWORD }}
          OSSRH_USER: ${{ secrets.ORG_OSSRH_USERNAME }}
        run: |-
          echo "Publishing Version $RELEASE_VERSION to Sonatype/MavenCentral"
          ./gradlew publishToSonatype closeAndReleaseSonatypeStagingRepository --no-parallel -Pversion=$RELEASE_VERSION -Psigning.gnupg.executable=gpg -Psigning.gnupg.passphrase="${{ secrets.ORG_GPG_PASSPHRASE }}"

  docker-release:
    name: Publish Docker images
    runs-on: ubuntu-latest
    needs: [ release-version ]
    permissions:
      contents: write
    if: github.event.pull_request.merged == true && needs.release-version.outputs.RELEASE_VERSION

    strategy:
      fail-fast: false
      matrix:
        variant: [ { dir: edc-controlplane, img: edc-runtime-memory },
                   { dir: edc-controlplane, img: edc-controlplane-postgresql-hashicorp-vault },
                   { dir: edc-controlplane, img: edc-controlplane-postgresql-azure-vault },
                   { dir: edc-dataplane,    img: edc-dataplane-azure-vault },
                   { dir: edc-dataplane,    img: edc-dataplane-hashicorp-vault } ]

    steps:
      - uses: actions/checkout@v4
      - name: Export RELEASE_VERSION env
        run: |
          echo "RELEASE_VERSION=${{ needs.release-version.outputs.RELEASE_VERSION }}" >> $GITHUB_ENV
      - uses: ./.github/actions/publish-docker-image
        name: Publish ${{ matrix.variant.img }}
        with:
          docker_tag: ${{ env.RELEASE_VERSION }}
          rootDir: ${{ matrix.variant.dir }}/${{ matrix.variant.img }}
          imagename: ${{ matrix.variant.img }}
          docker_user: ${{ secrets.DOCKER_HUB_USER }}
          docker_token: ${{ secrets.DOCKER_HUB_TOKEN }}
          do_push: 'true'

  # Release: Helm Charts
  helm-release:
    name: Publish new helm release
    needs: [ release-version ]
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      pages: write

    if: github.event.pull_request.merged == true && needs.release-version.outputs.RELEASE_VERSION
    steps:
      - name: Export RELEASE_VERSION env
        run: |
          echo "RELEASE_VERSION=${{ needs.release-version.outputs.RELEASE_VERSION }}" >> $GITHUB_ENV
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install Helm
        uses: azure/setup-helm@v3.5
        with:
          version: v3.8.1
      - name: Package helm, update index.yaml and push to gh-pages
        run: |
          # Prepare git env
          git config user.name "eclipse-tractusx-bot"
          git config user.email "tractusx-bot@eclipse.org"

          # Package all charts
          find charts -name Chart.yaml -not -path "./edc-tests/*" | xargs -n1 dirname | xargs -n1 helm package -u -d helm-charts

          git checkout gh-pages || git checkout -b gh-pages
          git pull --rebase origin gh-pages

          # Generate helm repo index.yaml
          helm repo index . --merge index.yaml --url https://${GITHUB_REPOSITORY_OWNER}.github.io/${GITHUB_REPOSITORY#*/}/

          # Commit and push to gh-pages
          git add index.yaml helm-charts
          git commit -s -m "Release ${{ env.RELEASE_VERSION }}"

          git push origin gh-pages

  # Release: GitHub tag & release; Merges back releases into main; Starts a new development cycle;
  github-release:
    name: Publish new github release
    needs: [ release-version, maven-release, docker-release, helm-release ]
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      pages: write
      pull-requests: write
    if: github.event.pull_request.merged == true && needs.release-version.outputs.RELEASE_VERSION
    steps:
      - name: Export RELEASE_VERSION env
        run: |
          echo "RELEASE_VERSION=${{ needs.release-version.outputs.RELEASE_VERSION }}" >> $GITHUB_ENV
      - uses: actions/checkout@v4
        with:
          # 0 to fetch the full history due to upcoming merge of releases into main branch
          fetch-depth: 0
      - name: Create Release Tag
        id: create_release_tag
        run: |
          # Prepare git env
          git config user.name "eclipse-tractusx-bot"
          git config user.email "tractusx-bot@eclipse.org"

          # informative
          git branch -a
          git tag

          # Create & push tag
          git tag --force ${{ env.RELEASE_VERSION }}
          git push --force origin ${{ env.RELEASE_VERSION }}
      - name: Create GitHub Release
        uses: ncipollo/release-action@v1
        with:
          generateReleaseNotes: true
          tag: ${{ env.RELEASE_VERSION }}
          token: ${{ secrets.GITHUB_TOKEN }}
          makeLatest: true
          removeArtifacts: true
      - uses: ./.github/actions/setup-java
      - name: Merge releases back into main and set new snapshot version
        if: github.event.pull_request.base.ref == 'releases'
        run: |
          # Prepare git env
          git config user.name "eclipse-tractusx-bot"
          git config user.email "tractusx-bot@eclipse.org"

          # Merge releases into main
          git checkout main && git merge -X theirs releases --no-commit --no-ff

          # Extract release version
          IFS=.- read -r RELEASE_VERSION_MAJOR RELEASE_VERSION_MINOR RELEASE_VERSION_PATCH SNAPSHOT<<<"${{ env.RELEASE_VERSION }}"
          INC=0
          # Compute new snapshot version, do not increment snapshot on non-final releases, e.g. -rc1
          if [ -z $SNAPSHOT ]; then
            # snapshot
            echo "${{ env.RELEASE_VERSION }} is a final release version, increase patch for next snapshot"
            INC=1
          else
            echo "${{ env.RELEASE_VERSION }} is not a final release version (contains \"$SNAPSHOT\"), will not increase patch"
          fi
          
          VERSION="$RELEASE_VERSION_MAJOR.$RELEASE_VERSION_MINOR.$((RELEASE_VERSION_PATCH+$INC))-SNAPSHOT"
          SNAPSHOT_VERSION=$VERSION

          # Persist the "version" in the gradle.properties
          sed -i "s/version=.*/version=$SNAPSHOT_VERSION/g" gradle.properties

          # Commit and push to origin main
          git add gradle.properties
          git commit --message "Introduce new snapshot version $SNAPSHOT_VERSION"

          git push origin main

  publish-to-swaggerhub:
    name: "Publish OpenAPI spec to Swaggerhub"
    permissions:
      contents: read
    needs: [ release-version ]
    uses: ./.github/workflows/publish-swaggerhub.yaml
    with:
      downstream-version: ${{ needs.release-version.outputs.RELEASE_VERSION }}
    secrets: inherit