pulsar-ci-flaky.yaml

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name: Pulsar CI Flaky
on:
  pull_request:
    branches:
      - master
      - branch-2.11
  workflow_dispatch:

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

env:
  MAVEN_OPTS: -Xmx1024m -Dhttp.keepAlive=false -Dmaven.wagon.http.pool=false -Dmaven.wagon.http.retryHandler.class=standard -Dmaven.wagon.http.retryHandler.count=3
  # 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:
  changed_files_job:
    name: Preconditions
    runs-on: ubuntu-20.04
    outputs:
      docs_only: ${{ steps.check_changes.outputs.docs_only }}
      cpp_only: ${{ steps.check_changes.outputs.cpp_only }}
      changed_tests: ${{ steps.changes.outputs.tests_files }}
    steps:
      - name: checkout
        uses: actions/checkout@v2

      - 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: |
          echo "::set-output name=docs_only::${{ fromJSON(steps.changes.outputs.all_count) == fromJSON(steps.changes.outputs.docs_count) && fromJSON(steps.changes.outputs.docs_count) > 0 }}"
          echo "::set-output name=cpp_only::${{ fromJSON(steps.changes.outputs.all_count) == fromJSON(steps.changes.outputs.cpp_count) && fromJSON(steps.changes.outputs.cpp_count) > 0 }}"

      - 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: changed_files_job
    name: Flaky tests suite
    runs-on: ubuntu-20.04
    timeout-minutes: 100
    if: ${{ needs.changed_files_job.outputs.docs_only != 'true' && needs.changed_files_job.outputs.cpp_only != 'true' }}
    steps:
      - name: checkout
        uses: actions/checkout@v2

      - 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
        with:
          limit-access-to-actor: true

      - name: Cache local Maven repository
        uses: actions/cache@v2
        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@v2
        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.changed_files_job.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: 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@v3
        if: ${{ !success() }}
        with:
          name: Unit-BROKER_FLAKY-surefire-reports
          path: surefire-reports
          retention-days: 7

      - name: Upload possible heap dump
        uses: actions/upload-artifact@v3
        if: ${{ always() }}
        with:
          name: Unit-BROKER_FLAKY-heapdump
          path: /tmp/*.hprof
          retention-days: 7
          if-no-files-found: ignore