fix(metrics): update mobc to latest version (#4193)

It also fixes reporting of initial values of aliased metrics, which otherwise wouldn't be reported until emitted by mobc.

Co-authored-by: Jan Piotrowski <[email protected]>

query-engine/black-box-tests/tests/metrics/smoke_tests.rs

@@ -55,15 +55,21 @@ mod smoke_tests {
                 .await
                 .unwrap();
 
+            // counters
             assert!(metrics.contains("prisma_client_queries_total counter"));
             assert!(metrics.contains("prisma_datasource_queries_total counter"));
-            assert!(metrics.contains("prisma_pool_connections_open counter"));
-            assert!(metrics.contains("prisma_client_queries_active gauge"));
-            assert!(metrics.contains("prisma_client_queries_wait gauge"));
+            assert!(metrics.contains("prisma_pool_connections_opened_total counter"));
+            assert!(metrics.contains("prisma_pool_connections_closed_total counter"));
+            // gauges
+            assert!(metrics.contains("prisma_pool_connections_open gauge"));
             assert!(metrics.contains("prisma_pool_connections_busy gauge"));
             assert!(metrics.contains("prisma_pool_connections_idle gauge"));
-            assert!(metrics.contains("prisma_pool_connections_opened_total gauge"));
-            assert!(metrics.contains("prisma_datasource_queries_duration_histogram_ms_bucket"));
+            assert!(metrics.contains("prisma_client_queries_active gauge"));
+            assert!(metrics.contains("prisma_client_queries_wait gauge"));
+            // histograms
+            assert!(metrics.contains("prisma_client_queries_duration_histogram_ms histogram"));
+            assert!(metrics.contains("prisma_client_queries_wait_histogram_ms histogram"));
+            assert!(metrics.contains("prisma_datasource_queries_duration_histogram_ms histogram"));
         })
         .await
     }

query-engine/metrics/src/lib.rs

@@ -79,11 +79,18 @@ const ACCEPT_LIST: &[&str] = &[
     MOBC_POOL_CONNECTIONS_IDLE,
     MOBC_POOL_WAIT_COUNT,
     MOBC_POOL_WAIT_DURATION,
-    PRISMA_CLIENT_QUERIES_DURATION_HISTOGRAM_MS,
     PRISMA_CLIENT_QUERIES_TOTAL,
-    PRISMA_DATASOURCE_QUERIES_DURATION_HISTOGRAM_MS,
     PRISMA_DATASOURCE_QUERIES_TOTAL,
+    PRISMA_POOL_CONNECTIONS_OPENED_TOTAL,
+    PRISMA_POOL_CONNECTIONS_CLOSED_TOTAL,
+    PRISMA_POOL_CONNECTIONS_OPEN,
+    PRISMA_POOL_CONNECTIONS_BUSY,
+    PRISMA_POOL_CONNECTIONS_IDLE,
+    PRISMA_CLIENT_QUERIES_WAIT,
     PRISMA_CLIENT_QUERIES_ACTIVE,
+    PRISMA_CLIENT_QUERIES_DURATION_HISTOGRAM_MS,
+    PRISMA_CLIENT_QUERIES_WAIT_HISTOGRAM_MS,
+    PRISMA_DATASOURCE_QUERIES_DURATION_HISTOGRAM_MS,
 ];
 
 // Some of the metrics we receive have their internal names, and we need to expose them under a different