pr-rc-build.yaml

name: pr-rc-build
on:
  pull_request:
    types: [opened, synchronize, reopened]

permissions:
  contents: read
  pull-requests: write

jobs:
  rc-build:
    runs-on: ubuntu-latest
    outputs:
      rc_tag: ${{ steps.rc_tag.outputs.rc_tag }}
      version: ${{ steps.rc_tag.outputs.version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Generate RC tag
        id: rc_tag
        run: |
          VERSION=$(cat VERSION | tr -d '[:space:]')
          SHORT_SHA=$(echo "${{ github.event.pull_request.head.sha }}" | cut -c1-8)
          PR_NUMBER=${{ github.event.pull_request.number }}
          RC_TAG="${VERSION}-rc.${PR_NUMBER}.${SHORT_SHA}"
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "rc_tag=${RC_TAG}" >> $GITHUB_OUTPUT
          echo "RC tag: ${RC_TAG}"

      - name: Install Go
        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
        with:
          go-version-file: go.mod
          cache-dependency-path: "**/*.sum"

      - name: Install deb packages
        uses: awalsh128/cache-apt-pkgs-action@acb598e5ddbc6f68a970c5da0688d2f3a9f04d05 # v1.6.0
        with:
          packages: protobuf-compiler
          version: 1.0

      - name: Install go packages
        run: |
          go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2
          export PATH="$PATH:$(go env GOPATH)/bin"
          go install github.com/swaggo/swag/cmd/swag@latest

      - name: Build
        run: make build

      - name: Comment RC tag on PR
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        with:
          script: |
            const rcTag = '${{ steps.rc_tag.outputs.rc_tag }}';
            const version = '${{ steps.rc_tag.outputs.version }}';
            const body = `### 🏗️ Release Candidate Build

            **RC Tag:** \`${rcTag}\`
            **Target Release:** \`v${version}\`
            **Commit:** \`${{ github.event.pull_request.head.sha }}\`

            #### Docker Images
            | Service | Image |
            |---------|-------|
            | apigw | \`docker.sunet.se/iam_vc/apigw:${rcTag}\` |
            | verifier | \`docker.sunet.se/iam_vc/verifier:${rcTag}\` |
            | registry | \`docker.sunet.se/iam_vc/registry:${rcTag}\` |
            | mockas | \`docker.sunet.se/iam_vc/mockas:${rcTag}\` |
            | issuer | \`docker.sunet.se/iam_vc/issuer:${rcTag}\` |
            | ui | \`docker.sunet.se/iam_vc/ui:${rcTag}\` |

            > Deploy with: \`VERSION=${rcTag} docker compose pull\``;

            // Find and update existing RC comment or create new one
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });
            const botComment = comments.find(c =>
              c.user.type === 'Bot' && c.body.includes('Release Candidate Build')
            );
            if (botComment) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: body,
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: body,
              });
            }