pulsar-ci-flaky.yaml

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name: Pulsar CI Flaky
on:
  pull_request:
    branches:
      - master
      - 3.1_ds
  schedule:
    - cron: '0 12 * * *'
  workflow_dispatch:
    inputs:
      collect_coverage:
        description: 'Collect test coverage and upload to Codecov'
        required: true
        default: 'true'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  MAVEN_OPTS: -Xss1500k -Xmx1500m -Daether.connector.http.reuseConnections=false -Daether.connector.requestTimeout=60000 -Dhttp.keepAlive=false -Dmaven.wagon.http.pool=false -Dmaven.wagon.http.retryHandler.class=standard -Dmaven.wagon.http.retryHandler.count=3 -Dmaven.wagon.http.retryHandler.requestSentEnabled=true -Dmaven.wagon.http.serviceUnavailableRetryStrategy.class=standard -Dmaven.wagon.rto=60000
  # defines the retention period for the intermediate build artifacts needed for rerunning a failed build job
  # it's possible to rerun individual failed jobs when the build artifacts are available
  # if the artifacts have already been expired, the complete workflow can be rerun by closing and reopening the PR or by rebasing the PR
  ARTIFACT_RETENTION_DAYS: 3

jobs:
  preconditions:
    name: Preconditions
    runs-on: ubuntu-22.04
    if: (github.event_name != 'schedule') || (github.repository == 'apache/pulsar')
    outputs:
      docs_only: ${{ steps.check_changes.outputs.docs_only }}
      changed_tests: ${{ steps.changes.outputs.tests_files }}
      collect_coverage: ${{ steps.check_coverage.outputs.collect_coverage }}
    steps:
      - name: checkout
        uses: actions/checkout@v4

      - name: Detect changed files
        id:   changes
        uses: apache/pulsar-test-infra/paths-filter@master
        with:
          filters: .github/changes-filter.yaml
          list-files: csv

      - name: Check changed files
        id: check_changes
        run: |
          if [[ "${GITHUB_EVENT_NAME}" != "schedule" && "${GITHUB_EVENT_NAME}" != "workflow_dispatch" ]]; then
            echo "docs_only=${{ fromJSON(steps.changes.outputs.all_count) == fromJSON(steps.changes.outputs.docs_count) && fromJSON(steps.changes.outputs.docs_count) > 0 }}" >> $GITHUB_OUTPUT
          else
            echo docs_only=false >> $GITHUB_OUTPUT
          fi

      - name: Check if coverage should be collected
        id: check_coverage
        run: |
          echo "collect_coverage=${{ 
          (steps.check_changes.outputs.docs_only != 'true' && github.event_name != 'workflow_dispatch' 
            && (github.base_ref == 'master' || github.ref_name == 'master')) 
          || (github.event_name == 'workflow_dispatch' && github.event.inputs.collect_coverage == 'true')
          }}"  >> $GITHUB_OUTPUT

      - name: Check if the PR has been approved for testing
        if: ${{ steps.check_changes.outputs.docs_only != 'true' && github.repository == 'apache/pulsar' && github.event_name == 'pull_request' }}
        env:
          GITHUB_RUN_ATTEMPT: ${{ github.run_attempt }}
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          build/pulsar_ci_tool.sh check_ready_to_test

  build-and-test:
    needs: preconditions
    name: Flaky tests suite
    env:
      JOB_NAME: Flaky tests suite
      COLLECT_COVERAGE: "${{ needs.preconditions.outputs.collect_coverage }}"
      DEVELOCITY_ACCESS_KEY: ${{ secrets.GE_ACCESS_TOKEN }}
    runs-on: ubuntu-22.04
    timeout-minutes: 100
    if: ${{ needs.preconditions.outputs.docs_only != 'true' }}
    steps:
      - name: checkout
        uses: actions/checkout@v4

      - name: Tune Runner VM
        uses: ./.github/actions/tune-runner-vm

      - name: Setup ssh access to build runner VM
        # ssh access is enabled for builds in own forks
        if: ${{ github.repository != 'apache/pulsar' && github.event_name == 'pull_request' }}
        uses: ./.github/actions/ssh-access
        continue-on-error: true
        with:
          limit-access-to-actor: true

      - name: Cache local Maven repository
        uses: actions/cache@v4
        timeout-minutes: 5
        with:
          path: |
            ~/.m2/repository/*/*/*
            !~/.m2/repository/org/apache/pulsar
          key: ${{ runner.os }}-m2-dependencies-core-modules-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-m2-dependencies-core-modules-

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 17

      - name: Build core-modules
        run: |
          mvn -B -T 1C -ntp -Pcore-modules,-main clean install -DskipTests -Dlicense.skip=true -Drat.skip=true

      - name: Run unit test group BROKER_FLAKY
        run: |
          CHANGED_TESTS="${{ needs.preconditions.outputs.tests_files }}" ./build/run_unit_group.sh BROKER_FLAKY

      - name: print JVM thread dumps when cancelled
        if: cancelled()
        run: $GITHUB_WORKSPACE/build/pulsar_ci_tool.sh print_thread_dumps

      - name: Aggregates all test reports to ./test-reports and ./surefire-reports directories
        if: ${{ always() }}
        uses: ./.github/actions/copy-test-reports

      - name: Create Jacoco reports
        if: ${{ needs.preconditions.outputs.collect_coverage == 'true' }}
        run: |
          $GITHUB_WORKSPACE/build/pulsar_ci_tool.sh create_test_coverage_report 
          cd $GITHUB_WORKSPACE/target
          zip -qr jacoco_test_coverage_report_flaky.zip jacoco_test_coverage_report || true

      - name: Upload Jacoco report files to build artifacts
        if: ${{ needs.preconditions.outputs.collect_coverage == 'true' }}
        uses: actions/upload-artifact@v4
        with:
          name: Jacoco-coverage-report-flaky
          path: target/jacoco_test_coverage_report_flaky.zip
          retention-days: 3

      - name: Upload to Codecov
        if: ${{ needs.preconditions.outputs.collect_coverage == 'true' }}
        uses: ./.github/actions/upload-coverage
        with:
          flags: unittests

      - name: Publish Test Report
        uses: apache/pulsar-test-infra/action-junit-report@master
        if: ${{ always() }}
        with:
          report_paths: 'test-reports/TEST-*.xml'
          annotate_only: 'true'

      - name: Upload Surefire reports
        uses: actions/upload-artifact@v4
        if: ${{ !success() }}
        with:
          name: Unit-BROKER_FLAKY-surefire-reports
          path: surefire-reports
          retention-days: 7

      - name: Upload possible heap dump
        uses: actions/upload-artifact@v4
        if: ${{ always() }}
        with:
          name: Unit-BROKER_FLAKY-heapdump
          path: /tmp/*.hprof
          retention-days: 7
          if-no-files-found: ignore