Merge branch...

Merge branch '220883-suggest-to-run-run-as-if-foss-when-too-many-test-files-detected-in-rspec-foss-impact' into 'master'

Suggest to run RUN AS-IF-FOSS when too many test files detected in rspec foss-impact

Closes #220883

See merge request gitlab-org/gitlab!34361

.gitlab/ci/rails.gitlab-ci.yml

@@ -355,7 +355,7 @@ rspec foss-impact:
     - run_timed_command "scripts/gitaly-test-spawn"
     - source scripts/rspec_helpers.sh
     - tooling/bin/find_foss_tests tmp/matching_foss_tests.txt
-    - 'if [[ -n "$(cat tmp/matching_foss_tests.txt)" ]]; then rspec_simple_job "--tag ~quarantine --tag ~geo --tag ~level:migration $(cat tmp/matching_foss_tests.txt)"; fi'
+    - rspec_matched_tests tmp/matching_foss_tests.txt "--tag ~quarantine --tag ~geo --tag ~level:migration"
   artifacts:
     expire_in: 7d
     paths:

.gitlab/ci/rules.gitlab-ci.yml

@@ -422,6 +422,8 @@
   rules:
     - <<: *if-not-ee
       when: never
+    - <<: *if-merge-request-title-as-if-foss
+      when: never
     - <<: *if-security-merge-request
       changes: *code-backstage-patterns
     - <<: *if-dot-com-gitlab-org-merge-request

scripts/rspec_helpers.sh

@@ -110,3 +110,27 @@ function rspec_paralellized_job() {
 
   date
 }
+
+function rspec_matched_tests() {
+  local test_file_count_threshold=20
+  local matching_tests_file=${1}
+  local rspec_opts=${2}
+  local test_files="$(cat "${matching_tests_file}")"
+  local test_file_count=$(wc -w "${matching_tests_file}" | awk {'print $1'})
+
+  if [[ "${test_file_count}" -gt "${test_file_count_threshold}" ]]; then
+    echo "There are more than ${test_file_count_threshold} FOSS test files matched,"
+    echo "which would take too long to run in this job."
+    echo "To reduce the likelihood of breaking FOSS pipelines,"
+    echo "please add [RUN AS-IF-FOSS] to the MR title and restart the pipeline."
+    echo "This would run all as-if-foss jobs in this merge request"
+    echo "and remove this job from the pipeline."
+    exit 1
+  fi
+
+  if [[ -n $test_files ]]; then
+    rspec_simple_job "${rspec_opts} ${test_files}"
+  else
+    echo "No test files to run"
+  fi
+}