HDDS-12587. Detect test class module in flaky-test-check (apache#8162)

Co-authored-by: Peter Lee <[email protected]>

Author: adoroszlai

.github/workflows/intermittent-test-check.yml

@@ -61,6 +61,9 @@ env:
   RATIS_REPO: ${{ github.event.inputs.ratis-repo }}
   RATIS_VERSION: ${{ github.event.inputs.ratis-ref }}
   JAVA_VERSION: ${{ github.event.inputs.java-version }}
+  # Surefire 3.0.0-M4 is used because newer versions do not reliably kill the fork on timeout
+  # SUREFIRE-1722, SUREFIRE-1815
+  SUREFIRE_VERSION: 3.0.0-M4
 run-name: ${{ github.event_name == 'workflow_dispatch' && format('{0}#{1}[{2}]-{3}x{4}-java{5}', inputs.test-class, inputs.test-name, inputs.ref, inputs.splits, inputs.iterations, inputs.java-version) || '' }}
 jobs:
   prepare-job:
@@ -87,11 +90,54 @@ jobs:
     with:
       repo: ${{ github.event.inputs.ratis-repo || format('{0}/ratis', github.repository_owner) }}
       ref: ${{ github.event.inputs.ratis-ref }}
+  find-tests:
+    if: ${{ always() }}
+    needs:
+      - prepare-job
+    runs-on: ubuntu-24.04
+    outputs:
+      modules: ${{ steps.modules.outputs.modules }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.ref }}
+      - name: Cache for maven dependencies
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            ~/.m2/repository/*/*/*
+            !~/.m2/repository/org/apache/ozone
+          key: maven-repo-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            maven-repo-
+      - name: Setup java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: ${{ github.event.inputs.java-version }}
+      - name: Find tests
+        run: |
+          # find tests to be run in splits by running them with very short timeout
+          hadoop-ozone/dev-support/checks/junit.sh -DexcludedGroups="native|slow|unhealthy" -DskipShade \
+              -Dtest="$TEST_CLASS,Abstract*Test*\$*" \
+              -Dsurefire.fork.timeout=1 -Dmaven-surefire-plugin.version=${{ env.SUREFIRE_VERSION }} \
+              || true # ignore errors
+        env:
+          ITERATIONS: 1
+      - name: Find modules
+        id: modules
+        run: |
+          grep -e 'surefire:${{ env.SUREFIRE_VERSION }}:test' -e 'Running org.apache' target/unit/output.log | grep -B1 'Running org.apache'
+          modules=$(grep -e 'surefire:${{ env.SUREFIRE_VERSION }}:test' -e 'Running org.apache' target/unit/output.log | grep -B1 'Running org.apache' \
+              | grep surefire | cut -f2 -d'@' | awk '{ print $1 }' | sed 's/^/:/' | xargs | sed -e 's/ /,/g')
+          echo "modules=$modules" >> $GITHUB_OUTPUT
+        if: ${{ !cancelled() }}
   build:
     if: ${{ always() }}
     needs:
       - prepare-job
       - ratis
+      - find-tests
     runs-on: ubuntu-24.04
     timeout-minutes: 60
     steps:
@@ -129,6 +175,10 @@ jobs:
             args="$args -Dgrpc.protobuf-compile.version=${{ needs.ratis.outputs.protobuf-version }}"
           fi
 
+          if [[ -n "${{ needs.find-tests.outputs.modules }}" ]]; then
+            args="$args -am -pl ${{ needs.find-tests.outputs.modules }}"
+          fi
+
           hadoop-ozone/dev-support/checks/build.sh $args
       - name: Store Maven repo for tests
         uses: actions/upload-artifact@v4
@@ -143,6 +193,7 @@ jobs:
       - prepare-job
       - ratis
       - build
+      - find-tests
     name: Run-Split
     runs-on: ubuntu-24.04
     strategy:
@@ -197,6 +248,10 @@ jobs:
             args="$args -Dgrpc.protobuf-compile.version=${{ needs.ratis.outputs.protobuf-version }}"
           fi
 
+          if [[ -n "${{ needs.find-tests.outputs.modules }}" ]]; then
+            args="$args -pl ${{ needs.find-tests.outputs.modules }}"
+          fi
+
           if [ "$TEST_METHOD" = "ALL" ]; then
             echo "Running all tests from $TEST_CLASS"
             set -x