pr-images.yml

name: Publish QA Container Images

on:
  push:
    branches:
      - main

env:
  GHCR_REGISTRY: ghcr.io
  GHCR_UI_IMAGE_NAME: "${{ github.repository }}/ui"
  QUAY_REGISTRY: quay.io
  QUAY_UI_IMAGE_NAME: instructlab-ui/ui

jobs:
  build_and_publish_ui_qa_image:
    name: Push QA UI container image to GHCR and QUAY
    runs-on: ubuntu-latest
    environment: registry-creds
    permissions:
      packages: write
      contents: write
      attestations: write
      id-token: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.BOT_PAT }}
          ref: 'main'

      - name: Skip if triggered by GitHub Actions bot
        id: check_skip
        run: |-
            if [[ "$(git log -1 --pretty=format:'%s')" == *"[CI AUTOMATION]:"* ]]; then
              echo "Workflow triggered by previous action commit. Skipping."
              echo "SKIP_WORKFLOW=true" >> "$GITHUB_ENV"
            else
              echo "SKIP_WORKFLOW=false" >> "$GITHUB_ENV"
            fi

      - name: Log in to the GHCR container image registry
        if: env.SKIP_WORKFLOW == 'false'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.GHCR_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to the Quay container image registry
        if: env.SKIP_WORKFLOW == 'false'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.QUAY_REGISTRY }}
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_TOKEN }}

      - name: Set up Docker Buildx
        if: env.SKIP_WORKFLOW == 'false'
        uses: docker/setup-buildx-action@v3

      - name: Cache Docker layers
        if: env.SKIP_WORKFLOW == 'false'
        uses: actions/cache@v5
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            "${{ runner.os }}-buildx-"

      - name: Get Pull Request Number from Commit
        if: env.SKIP_WORKFLOW == 'false'
        id: get_pr_number
        uses: actions/github-script@v8
        with:
          script: |
            console.log("Repository owner:", context.repo.owner);
            console.log("Repository name:", context.repo.repo);
            console.log("Current commit SHA:", context.sha);

            const prs = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'closed',
              sort: 'updated',
              direction: 'desc'
            });
            console.log("Number of closed PRs fetched:", prs.data.length);

            for (const pr of prs.data) {
              console.log("Checking PR #", pr.number, "- Merged:");
              if (pr.merged_at != "") {
                console.log("Found merged PR:", pr.number);
                return pr.number;
              }
            }

            console.log("No merged PR found in the recent closed PRs.");
            return '';

      - name: Extract GHCR metadata (tags, labels) for UI image
        if: env.SKIP_WORKFLOW == 'false'
        id: ghcr_ui_meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_UI_IMAGE_NAME }}

      - name: Extract Quay metadata (tags, labels) for UI image
        if: env.SKIP_WORKFLOW == 'false'
        id: quay_ui_meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.QUAY_REGISTRY }}/${{ env.QUAY_UI_IMAGE_NAME }}

      - name: Build and push ui image to ghcr.io
        if: env.SKIP_WORKFLOW == 'false'
        id: push-ui-ghcr
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: |-
            "${{ steps.ghcr_ui_meta.outputs.tags }}"
            "${{ env.GHCR_REGISTRY }}/${{ env.GHCR_UI_IMAGE_NAME }}:pr-${{ steps.get_pr_number.outputs.result }}"
          labels: ${{ steps.ghcr_ui_meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          file: src/Containerfile

      - name: Generate GHCR artifact attestation
        if: env.SKIP_WORKFLOW == 'false'
        uses: actions/attest-build-provenance@v3
        with:
          subject-name: ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_UI_IMAGE_NAME}}
          subject-digest: ${{ steps.push-ui-ghcr.outputs.digest }}
          push-to-registry: true

      - name: Build and push ui image to quay.io
        if: env.SKIP_WORKFLOW == 'false'
        id: push-ui-quay
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: |-
            "${{ steps.quay_ui_meta.outputs.tags }}"
            "${{ env.QUAY_REGISTRY }}/${{ env.QUAY_UI_IMAGE_NAME }}:pr-${{ steps.get_pr_number.outputs.result }}"
          labels: ${{ steps.quay_ui_meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          file: src/Containerfile

      - name: Generate QA UI Quay artifact attestation
        if: env.SKIP_WORKFLOW == 'false'
        uses: actions/attest-build-provenance@v3
        with:
          subject-name: ${{ env.QUAY_REGISTRY }}/${{ env.QUAY_UI_IMAGE_NAME}}
          subject-digest: ${{ steps.push-ui-quay.outputs.digest }}
          push-to-registry: true

      - name: Update coderefs before code changes
        if: env.SKIP_WORKFLOW == 'false'
        run: |-
          git pull --ff-only

      - name: Update QA Quay UI image
        if: env.SKIP_WORKFLOW == 'false'
        id: update_qa_ui_manifest_image
        env:
          PR_TAG:  "pr-${{ steps.get_pr_number.outputs.result }}"
        run: |-
          sudo wget https://github.com/mikefarah/yq/releases/download/v4.34.1/yq_linux_amd64 -O /usr/local/bin/yq
          sudo chmod +x /usr/local/bin/yq
          yq -i '
            (.images[] | select(.name == "quay.io/${{env.QUAY_UI_IMAGE_NAME}}") | .newTag) = env(PR_TAG)
          ' deploy/k8s/overlays/openshift/qa/kustomization.yaml

      - name: Commit and push bump QA UI Image manifest
        if: env.SKIP_WORKFLOW == 'false'
        run: |-
          git config user.name "platform-engineering-bot"
          git config user.email "platform-engineering@redhat.com"
          git add deploy/k8s/overlays/openshift/qa/kustomization.yaml
          git commit -m "[CI AUTOMATION]: Bumping QA UI image to tag: pr-${{ steps.get_pr_number.outputs.result }}" -s
          git push origin main