disable path and merge status codes in prom metrics

transifex · Sep 12, 2023 · 3ffa1bd · 3ffa1bd
1 parent 88d67fa
commit 3ffa1bd
Showing 1 changed file with 18 additions and 1 deletion.
diff --git a/src/middlewares/metrics.js b/src/middlewares/metrics.js
@@ -6,8 +6,25 @@ const queue = require('../queue');
 
 const isEnabled = config.get('metrics:enabled');
 const prometheusBundle = isEnabled ? promBundle({
-  includePath: true,
+  includePath: false,
   includeMethod: true,
+  formatStatusCode: (status) => {
+    const statusCode = JSON.stringify(status);
+
+    if (statusCode >= 400 && statusCode < 500) {
+      return statusCode.toString();
+    }
+    if (statusCode >= 500) {
+      return '5xx';
+    }
+    if (statusCode >= 300 && statusCode < 400) {
+      return '3xx';
+    }
+    if (statusCode >= 200 && statusCode < 300) {
+      return statusCode.toString();
+    }
+    return statusCode;
+  },
   autoregister: false, // Do not register the metrics endpoint
   promClient: {
     collectDefaultMetrics: {},