lib-injection.yml

name: "Library Injection"
on:
  # Build each branch for testing
  push:

jobs:
  build-and-publish-test-image:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to Docker
        run: docker login -u publisher -p ${{ secrets.GITHUB_TOKEN }} ghcr.io
      - name: Docker Build
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: ghcr.io/datadog/dd-trace-rb/dd-lib-ruby-init:${{ github.sha }}
          platforms: 'linux/amd64,linux/arm64/v8'
          build-args: DDTRACE_RUBY_SHA=${{ github.sha }}
          context: ./lib-injection

  test:
    needs:
      - build-and-publish-test-image
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    strategy:
      matrix:
        lib-injection-connection: ['network']
        lib-injection-use-admission-controller: ['', 'use-admission-controller']
        weblog-variant:
          - dd-lib-ruby-init-test-rails
          - dd-lib-ruby-init-test-rails-explicit
          - dd-lib-ruby-init-test-rails-gemsrb
      fail-fast: false
    env:
      TEST_LIBRARY: ruby
      WEBLOG_VARIANT: ${{ matrix.weblog-variant }}
      LIBRARY_INJECTION_CONNECTION: ${{ matrix.lib-injection-connection }}
      LIBRARY_INJECTION_ADMISSION_CONTROLLER: ${{ matrix.lib-injection-use-admission-controller }}
      DOCKER_REGISTRY_IMAGES_PATH: ghcr.io/datadog
      DOCKER_IMAGE_TAG: ${{ github.sha }}
      BUILDX_PLATFORMS: linux/amd64,linux/arm64/v8
      MODE: manual
    steps:
      - name: lib-injection test runner
        id: lib-injection-test-runner
        uses: DataDog/system-tests/lib-injection/runner@main
        with:
          docker-registry: ghcr.io
          docker-registry-username: ${{ github.repository_owner }}
          docker-registry-password: ${{ secrets.GITHUB_TOKEN }}
          test-script: ./lib-injection/run-manual-lib-injection.sh

  test-negative:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        variant:
          - dd-lib-ruby-init-test-rails-conflict
          - dd-lib-ruby-init-test-rails-bundle-deploy
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Checkout system-tests
        uses: actions/checkout@v4
        with:
          repository: DataDog/system-tests
          path: system-tests
      - name: Overwrite auto inject script with commit SHA
        run: |
          sed -i "s~<DD_TRACE_SHA_TO_BE_REPLACED>~${{github.sha}}~g" lib-injection/auto_inject.rb
          sed -i "s~<DD_TRACE_VERSION_TO_BE_REPLACED>~~g" lib-injection/auto_inject.rb
      - name: Build app
        run: |
          cp -r system-tests/lib-injection/build/docker/ruby/lib_injection_rails_app system-tests/lib-injection/build/docker/ruby/${{matrix.variant}}
          cp system-tests/lib-injection/build/docker/ruby/.dockerignore system-tests/lib-injection/build/docker/ruby/${{matrix.variant}}
          docker build -t ${{matrix.variant}} system-tests/lib-injection/build/docker/ruby/${{matrix.variant}}
      - name: Run app with injection
        run: |
          docker run -d \
            --name ${{matrix.variant}} \
            -e RUBYOPT=-r/lib-injection/auto_inject \
            -e DD_TRACE_DEBUG=true \
            -v $(pwd)/lib-injection:/lib-injection \
            -p 18080:18080 \
            ${{matrix.variant}}
      - name: Log container to see error message
        run: |
          sleep 10
          docker logs ${{matrix.variant}}
      - name: Send http request to ensure app remains running even with lib injection failure
        run: curl -v --retry 10 -f --retry-all-errors --retry-delay 5 -s -o /dev/null http://localhost:18080