pr-ci.yml

name: CI build and push (PR)

concurrency:
  group: ci-${{ github.run_id }}
  cancel-in-progress: true

on:
  issue_comment:
    types:
      - created

jobs:
  check-before-build:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    if: github.repository_owner == 'cryostatio' && github.event.issue.pull_request && startsWith(github.event.comment.body, '/build_test')
    steps:
    - name: Fail if needs-triage label applied
      if: ${{ contains(github.event.issue.labels.*.name, 'needs-triage') }}
      run: exit 1
    - name: Show warning if permission is denied
      if: |
        !(github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER')
        && (!contains(github.event.issue.labels.*.name, 'safe-to-test') || github.event.issue.user.name != github.event.comment.user.name)
      uses: thollander/actions-comment-pull-request@v2
      with:
        message: |-
          You do not have permission to run the /build_test command. Please ask @cryostatio/reviewers
          to resolve the issue.
    - name: Fail if command permission is denied
      if: |
        !(github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER')
        && (!contains(github.event.issue.labels.*.name, 'safe-to-test') || github.event.issue.user.name != github.event.comment.user.name)
      run: exit 1
    - name: React to comment
      uses: actions/github-script@v4
      with:
        script: |
            const {owner, repo} = context.issue
            github.reactions.createForIssueComment({
              owner,
              repo,
              comment_id: context.payload.comment.id,
              content: "+1",
            });  

  checkout-branch:
    runs-on: ubuntu-latest
    needs: [check-before-build]
    permissions:
      pull-requests: read
    outputs:
      PR_head_sha: ${{ fromJSON(steps.comment-branch.outputs.result).head_sha }}
      PR_num: ${{ fromJSON(steps.comment-branch.outputs.result).num }}
    steps:
    - uses: actions/github-script@v4
      id: comment-branch
      with:
        script: |
          const result = await github.pulls.get ({
            owner: context.repo.owner,
            repo: context.repo.repo,
            pull_number: context.issue.number
          })
          return { num: result.data.number, head_sha: result.data.head.sha }

  get-pom-properties:
    runs-on: ubuntu-latest
    needs: [checkout-branch]
    steps:
    - uses: actions/checkout@v2
      with:
        repository: cryostatio/cryostat
    - id: query-pom
      name: Get properties from POM
      run: |
        CORE_VERSION="$(mvn help:evaluate -Dexpression=io.cryostat.core.version -q -DforceStdout)"
        echo "core-version=v$CORE_VERSION" >> $GITHUB_OUTPUT
        IMAGE_VERSION="$(mvn validate help:evaluate -Dexpression=cryostat.imageVersionLower -q -DforceStdout)"
        echo "image-version=$IMAGE_VERSION" >> $GITHUB_OUTPUT
    outputs:
      core-version: ${{ steps.query-pom.outputs.core-version }}
      image-version: ${{ steps.query-pom.outputs.image-version }}
  
  build-deps:
    runs-on: ubuntu-latest
    needs: [get-pom-properties]
    steps:
    - uses: actions/checkout@v3
      with:
        repository: cryostatio/cryostat-core
        ref: ${{ needs.get-pom-properties.outputs.core-version }}
    - uses: actions/setup-java@v3
      with:
        java-version: '17'
        distribution: 'adopt'
        cache: maven
    - run: mvn -B -U -DskipTests=true clean install
    - uses: actions/upload-artifact@v3
      with:
        name: cryostat-core
        path: /home/runner/.m2/repository/io/cryostat/cryostat-core/
  
  build-image-and-push:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      pull-requests: write
    needs: [get-pom-properties, build-deps, checkout-branch]
    env:
      PR_num: ${{ needs.checkout-branch.outputs.PR_num }}
      head_sha: ${{ needs.checkout-branch.outputs.PR_head_sha }}
    steps:
    - uses: actions/checkout@v3
      with:
        repository: cryostatio/cryostat
        submodules: true
        fetch-depth: 0
    - uses: actions/setup-java@v3
      with:
        java-version: '17'
        distribution: 'adopt'
        cache: maven
    - uses: actions/download-artifact@v3
      with:
        name: cryostat-core
        path: /home/runner/.m2/repository/io/cryostat/cryostat-core/
    - run: git submodule init
    - run: git submodule update --remote
    - run: cd web-client && git fetch origin pull/${{ env.PR_num }}/head:pr-${{ env.PR_num }} && git checkout pr-${{ env.PR_num }}
    - run: cd ..
    - run: mvn -B -U -Dmaven.test.skip=true clean package
    - name: Tag cryostat image
      run: podman tag cryostat ghcr.io/${{ github.repository_owner }}/cryostat-web:pr-${{ env.PR_num }}-${{ env.head_sha }}
    - name: Push PR test image to ghcr.io
      id: push-to-ghcr
      uses: redhat-actions/push-to-registry@v2
      with:
        image: cryostat-web
        tags: pr-${{ env.PR_num }}-${{ env.head_sha }}
        registry: ghcr.io/${{ github.repository_owner }}
        username: ${{ github.event.comment.user.login }}
        password: ${{ secrets.GITHUB_TOKEN }}
    - name: Comment test image link
      uses: thollander/actions-comment-pull-request@v1
      with:
        message: |-
          Test image available:
          ```
          CRYOSTAT_IMAGE=${{ steps.push-to-ghcr.outputs.registry-path }} sh smoketest.sh
          ```