PSMDB-1549. Ensure PSMDB related metrics are exported correctly

Author: sandraromanchenko

pmm_psmdb_diffauth_setup/test-auth.sh

@@ -75,7 +75,7 @@ docker compose -f docker-compose-pmm-psmdb.yml exec -T psmdb-server mgodatagen -
 tests=${TESTS:-yes}
 if [ $tests = "yes" ]; then
     echo "running tests"
-    output=$(docker compose -f docker-compose-pmm-psmdb.yml run test pytest -s -x --verbose test.py)
+    output=$(docker compose -f docker-compose-pmm-psmdb.yml run test pytest -s --verbose test.py)
     else
     echo "skipping tests"
 fi

pmm_psmdb_diffauth_setup/test/expected_metrics.txt

@@ -0,0 +1,39 @@
+mongodb_up
+mongodb_mongod_global_lock_client
+mongodb_mongod_global_lock_current_queue
+mongodb_mongod_instance_uptime_seconds
+mongodb_mongod_locks_time_acquiring_global_microseconds_total
+mongodb_mongod_metrics_cursor_open
+mongodb_mongod_metrics_cursor_timed_out_total
+mongodb_mongod_metrics_document_total
+mongodb_mongod_metrics_get_last_error_wtime_num_total
+mongodb_mongod_metrics_get_last_error_wtime_total_milliseconds
+mongodb_mongod_metrics_get_last_error_wtimeouts_total
+mongodb_mongod_metrics_operation_total
+mongodb_mongod_metrics_query_executor_total
+mongodb_mongod_metrics_ttl_deleted_documents_total
+mongodb_mongod_metrics_ttl_passes_total
+mongodb_mongod_op_counters_repl_total
+mongodb_mongod_op_latencies_latency_total
+mongodb_mongod_op_latencies_ops_total
+mongodb_mongod_storage_engine
+mongodb_mongod_wiredtiger_blockmanager_bytes_total
+mongodb_mongod_wiredtiger_cache_bytes
+mongodb_mongod_wiredtiger_cache_bytes_total
+mongodb_mongod_wiredtiger_cache_evicted_total
+mongodb_mongod_wiredtiger_cache_max_bytes
+mongodb_mongod_wiredtiger_cache_overhead_percent
+mongodb_mongod_wiredtiger_cache_pages
+mongodb_mongod_wiredtiger_cache_pages_total
+mongodb_mongod_wiredtiger_concurrent_transactions_available_tickets
+mongodb_mongod_wiredtiger_concurrent_transactions_out_tickets
+mongodb_mongod_wiredtiger_concurrent_transactions_total_tickets
+mongodb_mongod_wiredtiger_log_bytes_total
+mongodb_mongod_wiredtiger_log_operations_total
+mongodb_mongod_wiredtiger_log_records_scanned_total
+mongodb_mongod_wiredtiger_log_records_total
+mongodb_mongod_wiredtiger_session_open_sessions_total
+mongodb_mongod_wiredtiger_transactions_checkpoint_milliseconds
+mongodb_mongod_wiredtiger_transactions_checkpoint_milliseconds_total
+mongodb_mongod_wiredtiger_transactions_running_checkpoints
+mongodb_mongod_wiredtiger_transactions_total

pmm_psmdb_diffauth_setup/test/test.py

@@ -34,8 +34,17 @@ def run_test(add_db_command):
       metrics = docker_pmm_client.run(command, timeout=30)
     except Exception as e:
       pytest.fail(f"Fail to get metrics from exporter")
-    if "mongodb_up" not in metrics.stdout:
-      pytest.fail("MongoDB related data isn't exported")
+
+    try:
+        with open("expected_metrics.txt", "r") as f:
+            expected_metrics = {line.strip() for line in f if line.strip()}
+    except FileNotFoundError:
+        pytest.fail("Expected metrics file not found")
+
+    for metric in expected_metrics:
+        if metric not in metrics.stdout:
+            pytest.fail(f"Metric '{metric}' is missing from the exporter output")
+
 
 def test_simple_auth_wo_tls():
     run_test('pmm-admin add mongodb psmdb-server --username=pmm_mongodb --password="5M](Q%q/U+YQ<^m" ''--host '