pr-ci.yml

name: CI build and push (PR)

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

on:
  issue_comment:
    types:
      - created

env:
  OPENSUSE_UNOFFICIAL_LIBCONTAINERS_KEY_URL: "https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04/Release.key"
  OPENSUSE_UNOFFICIAL_LIBCONTAINERS_SOURCE_URL: "https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_22.04"

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 }

  build-image-and-push:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      pull-requests: write
    needs: [checkout-branch]
    env:
      PR_num: ${{ needs.checkout-branch.outputs.PR_num }}
      head_sha: ${{ needs.checkout-branch.outputs.PR_head_sha }}
    steps:
    - uses: actions/checkout@v4
      with:
        repository: cryostatio/cryostat
        submodules: true
        fetch-depth: 0
    - uses: actions/setup-java@v3
      with:
        java-version: '17'
        distribution: 'adopt'
        cache: maven
    - name: Install podman v4
      run: |
        echo "deb $OPENSUSE_UNOFFICIAL_LIBCONTAINERS_SOURCE_URL/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list
        curl -fsSL $OPENSUSE_UNOFFICIAL_LIBCONTAINERS_KEY_URL | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/devel_kubic_libcontainers_unstable.gpg > /dev/null
        sudo apt -y purge podman
        sudo apt update && sudo apt -y install podman
    - name: Emulate docker with podman
      run: |
        mkdir -p $HOME/.bin
        cat <(echo '#!/usr/bin/env bash') <(echo 'exec podman "$@"') > $HOME/.bin/docker
        chmod +x $HOME/.bin/docker
        echo "PATH=$HOME/.bin:$PATH" >> "$GITHUB_ENV"
    - name: Start Podman API
      run: systemctl --user enable --now podman.socket
    - name: Set DOCKER_HOST environment variable
      run: echo "DOCKER_HOST=unix:///run/user/$(id -u)/podman/podman.sock" >> "$GITHUB_ENV"
    - name: Build Cryostat application image
      id: build-cryostat-image
      run: |
        git submodule init
        git submodule update --remote
        pushd src/main/webui
        git fetch origin pull/${{ env.PR_num }}/head:pr-${{ env.PR_num }}
        git checkout pr-${{ env.PR_num }}
        popd
        mvn -B -U \
          -Dmaven.test.skip=true \
          -Dquarkus.container-image.registry=ghcr.io \
          -Dquarkus.container-image.group=${{ github.repository_owner }} \
          -Dquarkus.container-image.name=cryostat-web \
          -Dquarkus.container-image.tag=pr-${{ env.PR_num }}-${{ env.head_sha }} \
          clean package
        podman images
    - name: Push PR test image to ghcr.io
      id: push-to-ghcr
      uses: redhat-actions/push-to-registry@v2
      with:
        registry: ghcr.io/${{ github.repository_owner }}
        image: cryostat-web
        tags: pr-${{ env.PR_num }}-${{ env.head_sha }}
        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 }} bash smoketest.bash # then open http://localhost:8080
          ```