feature: the router keeps its metrics in PostgreSQL, serves them for an OpenTelemetry Collector and pushes them over OTLP.

debian-package/src/usr/share/doc/vpn-router/vpn-router.json.example

@@ -56,5 +56,20 @@
     "email": "",
     "web_port": 7444,
     "manager_port": 7443
+  },
+  "metrics": {
+    "enabled": true,
+    "listen": "internal",
+    "port": 9464,
+    "https_port": 9465,
+    "service_account": "metrics",
+    "otlp_endpoint": "",
+    "otlp_username": "",
+    "otlp_password": "",
+    "keep_details": "24 hours",
+    "keep_hourly": "1 month",
+    "keep_daily": "3 months",
+    "keep_monthly": "1 year",
+    "keep_yearly": "10 years"
   }
 }