ci: publish accurate metis test counts and run status

Jenkinsfile

@@ -87,6 +87,7 @@ spec:
     SEMVER = 'dev'
     COVERAGE_JSON = 'build/coverage.json'
     JUNIT_XML = 'build/junit.xml'
+    TEST_EXIT_CODE_PATH = 'build/test.exitcode'
     SUITE_NAME = 'metis'
     PUSHGATEWAY_URL = 'http://platform-quality-gateway.monitoring.svc.cluster.local:9091'
   }
@@ -113,9 +114,10 @@ spec:
             mkdir -p build
             go install github.com/jstemmer/go-junit-report/v2@latest
             set +e
-            go test -coverprofile=build/coverage.out ./... > build/test.out 2>&1
+            go test -v -coverprofile=build/coverage.out ./... > build/test.out 2>&1
             test_rc=$?
             set -e
+            printf '%s\n' "${test_rc}" > "${TEST_EXIT_CODE_PATH}"
             cat build/test.out
             "$(go env GOPATH)/bin/go-junit-report" < build/test.out > "${JUNIT_XML}"
             coverage="0"
@@ -124,7 +126,6 @@ spec:
             fi
             export GO_COVERAGE="${coverage}"
             printf '{"summary":{"percent_covered":%s}}\n' "${GO_COVERAGE}" > "${COVERAGE_JSON}"
-            exit ${test_rc}
           '''
         }
       }
@@ -141,6 +142,18 @@ spec:
       }
     }
 
+    stage('Enforce test result') {
+      steps {
+        container('tester') {
+          sh '''
+            set -eu
+            test_rc="$(cat "${TEST_EXIT_CODE_PATH}")"
+            exit "${test_rc}"
+          '''
+        }
+      }
+    }
+
     stage('Prep toolchain') {
       steps {
         container('builder') {

scripts/publish_test_metrics.py

@@ -57,6 +57,19 @@ def _load_junit(path: str) -> dict[str, int]:
     return totals
 
 
+def _load_exit_code(path: str) -> int | None:
+    if not path or not os.path.exists(path):
+        return None
+    with open(path, "r", encoding="utf-8") as handle:
+        raw = handle.read().strip()
+    if not raw:
+        return None
+    try:
+        return int(raw)
+    except ValueError:
+        raise RuntimeError(f"invalid test exit code {raw!r} in {path}")
+
+
 def _read_http(url: str) -> str:
     try:
         with urllib.request.urlopen(url, timeout=10) as resp:
@@ -100,6 +113,7 @@ def _fetch_existing_counter(pushgateway_url: str, metric: str, labels: dict[str,
 def main() -> int:
     coverage_path = os.getenv("COVERAGE_JSON", "build/coverage.json")
     junit_path = os.getenv("JUNIT_XML", "build/junit.xml")
+    test_exit_code_path = os.getenv("TEST_EXIT_CODE_PATH", "build/test.exitcode")
     pushgateway_url = os.getenv(
         "PUSHGATEWAY_URL", "http://platform-quality-gateway.monitoring.svc.cluster.local:9091"
     ).strip()
@@ -115,10 +129,16 @@ def main() -> int:
 
     coverage = _load_coverage(coverage_path)
     totals = _load_junit(junit_path)
+    test_exit_code = _load_exit_code(test_exit_code_path)
     passed = max(totals["tests"] - totals["failures"] - totals["errors"] - totals["skipped"], 0)
 
     outcome = "ok"
-    if totals["tests"] <= 0 or totals["failures"] > 0 or totals["errors"] > 0:
+    if (
+        (test_exit_code is not None and test_exit_code != 0)
+        or totals["tests"] <= 0
+        or totals["failures"] > 0
+        or totals["errors"] > 0
+    ):
         outcome = "failed"
 
     job_name = "platform-quality-ci"
@@ -148,10 +168,14 @@ def main() -> int:
         f'platform_quality_gate_runs_total{{suite="{suite}",status="ok"}} {ok_count:.0f}',
         f'platform_quality_gate_runs_total{{suite="{suite}",status="failed"}} {failed_count:.0f}',
         "# TYPE metis_quality_gate_tests_total gauge",
+        f'metis_quality_gate_tests_total{{suite="{suite}",result="total"}} {totals["tests"]}',
         f'metis_quality_gate_tests_total{{suite="{suite}",result="passed"}} {passed}',
         f'metis_quality_gate_tests_total{{suite="{suite}",result="failed"}} {totals["failures"]}',
         f'metis_quality_gate_tests_total{{suite="{suite}",result="error"}} {totals["errors"]}',
         f'metis_quality_gate_tests_total{{suite="{suite}",result="skipped"}} {totals["skipped"]}',
+        "# TYPE metis_quality_gate_run_status gauge",
+        f'metis_quality_gate_run_status{{suite="{suite}",status="ok"}} {1 if outcome == "ok" else 0}',
+        f'metis_quality_gate_run_status{{suite="{suite}",status="failed"}} {1 if outcome == "failed" else 0}',
         "# TYPE metis_quality_gate_coverage_percent gauge",
         f'metis_quality_gate_coverage_percent{{suite="{suite}"}} {coverage:.3f}',
         "# TYPE metis_quality_gate_build_info gauge",
@@ -171,6 +195,7 @@ def main() -> int:
                 "tests_errors": totals["errors"],
                 "tests_skipped": totals["skipped"],
                 "coverage_percent": round(coverage, 3),
+                "test_exit_code": test_exit_code,
                 "ok_counter": ok_count,
                 "failed_counter": failed_count,
             },