release.yaml

name: release

on:
  pull_request_review:
    types:
      - submitted

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: weaveworks/wego-app

jobs:
  tag-release:
    if: github.event.review.state == 'approved' && startsWith(github.event.pull_request.head.ref, 'releases/')
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.release-version.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Find release version
        id: release-version
        env:
          GITHUB_EVENT_PULL_REQUEST_HEAD_REF: ${{ github.event.pull_request.head.ref }}
        run: |
          version=$(echo $GITHUB_EVENT_PULL_REQUEST_HEAD_REF | cut -d'/' -f2)
          echo "::set-output name=version::$version"
      - name: Set tag
        run: |
          git config user.name weave-gitops-bot
          git config user.email weave-gitops-bot@weave.works
          git tag -a ${{ steps.release-version.outputs.version }} -m ${{ steps.release-version.outputs.version }}
          git push origin tag ${{ steps.release-version.outputs.version }}

  publish_npm_package:
    needs: tag-release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d # v3.8.1
        with:
          node-version: "16.X"
          registry-url: "https://npm.pkg.github.com"
          scope: "@weaveworks"
      - run: yarn
      - run: make ui-lib && cd dist && npm publish
        env:
          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  build-and-push-image:
    needs: tag-release
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Unshallow
        run: |
          git fetch --prune --unshallow
          git fetch --tags -f
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Set build-time flags
        run: |
          echo "LDFLAGS=$(make echo-ldflags)" >> $GITHUB_ENV
          echo "FLUX_VERSION=$(make echo-flux-version)" >> $GITHUB_ENV
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ needs.tag-release.outputs.version }}
            type=semver,pattern={{version}},value=${{ needs.tag-release.outputs.version }}
          flavor: |
            latest=true
      - name: setup qemu
        uses: docker/setup-qemu-action@v2
      - name: setup docker buildx
        uses: docker/setup-buildx-action@v2
      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          file: gitops-server.dockerfile
          build-args: |
            FLUX_VERSION=${{ env.FLUX_VERSION }}
            LDFLAGS=${{ env.LDFLAGS }}
            GIT_COMMIT=${{ github.sha }}

  goreleaser:
    runs-on: ubuntu-latest
    needs:
      - publish_npm_package
      - build-and-push-image
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Unshallow
        run: |
          git fetch --prune --unshallow
          git fetch --tags -f
      - name: Setup Go
        uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
        with:
          go-version: 1.20.X
      - name: Use Node.js
        uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d # v3.8.1
        with:
          node-version: 16.X
      - name: Set env var
        env:
          GITHUB_EVENT_PULL_REQUEST_HEAD_REF: ${{ github.event.pull_request.head.ref }}
        run: |
          echo "BRANCH=$GITHUB_EVENT_PULL_REQUEST_HEAD_REF" >> $GITHUB_ENV
          echo "GORELEASER_PREVIOUS_TAG=$(git describe --abbrev=0 --tags $(git rev-list --tags --skip=1 --max-count=1))" >> $GITHUB_ENV
          echo "GORELEASER_CURRENT_TAG=${{ needs.tag-release.outputs.version }}" >> $GITHUB_ENV
          echo "DEV_BUCKET_CONTAINER_IMAGE=$(make echo-dev-bucket-container)" >> $GITHUB_ENV
          echo "FLUX_VERSION=$(make echo-flux-version)" >> $GITHUB_ENV
          echo "CHART_VERSION=$(yq e '.version' charts/gitops-server/Chart.yaml)" >> $GITHUB_ENV
      - name: "Make All"
        run: make all
      - name: Check Git State
        run: git diff --no-ext-diff --exit-code
      - name: Include brew publishing
        run: cat .goreleaser.brew.yml >> .goreleaser.yml
        if: ${{ !contains(github.event.pull_request.head.ref, '-') }}
      - name: Store changelog
        env:
          GITHUB_EVENT_PULL_REQUEST_BODY: ${{ github.event.pull_request.body }}
        run: |
          cat > ${{ runner.temp }}/changelog.md <<'END_OF_CHANGELOG'
          $GITHUB_EVENT_PULL_REQUEST_BODY
          END_OF_CHANGELOG
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v3
        with:
          version: latest
          args: release --rm-dist --skip-validate --release-notes=${{ runner.temp }}/changelog.md
        env:
          GITHUB_TOKEN: ${{ secrets.WEAVE_GITOPS_BOT_ACCESS_TOKEN }}
          BOT_TOKEN: ${{ secrets.WEAVE_GITOPS_BOT_ACCESS_TOKEN }}
          BRANCH: ${{ env.BRANCH }}
          GORELEASER_PREVIOUS_TAG: ${{ env.GORELEASER_PREVIOUS_TAG }}
          GORELEASER_CURRENT_TAG: ${{ env.GORELEASER_CURRENT_TAG }}

  merge-pr:
    runs-on: ubuntu-latest
    needs: goreleaser
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      #  'Unlock Release PR Merge' sets 'release' status check state to success to unlock merging the release PR. See ../../doc/incidents/issues-3907 for full context.
      - name: Unlock Release PR Merge
        run: |
          curl --fail --request POST \
            --url https://api.github.com/repos/${{ github.repository }}/statuses/${{ github.event.pull_request.head.sha }} \
            --header 'authorization: Bearer ${{ secrets.WEAVE_GITOPS_BOT_ACCESS_TOKEN }}' \
            --header 'content-type: application/json' \
            --data '{
                "state":"success",
                "description":"release happened. PR ready to merge",
                "context":"release"
              }'
      - name: "Merge release"
        run: |
          curl --request PUT \
            --url https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/merge \
            --header 'authorization: Bearer ${{ secrets.WEAVE_GITOPS_BOT_ACCESS_TOKEN }}' \
            --header 'content-type: application/json' \
            --data '{
                "merge_method": "merge"
              }'