adds active connections

Signed-off-by: Elena Kolevska <elena@kolevska.com>

Author: elena-kolevska

metrics.py

@@ -132,6 +132,12 @@ def _setup_opentelemetry(self):
                 unit="1"
             )
 
+            self.otel_active_connections = self.meter.create_gauge(
+                name="redis_active_connections",
+                description="Number of active Redis connections",
+                unit="1"
+            )
+
 
 
             # Note: Using manual instrumentation instead of automatic Redis instrumentation
@@ -290,11 +296,24 @@ def record_reconnection(self, duration: float):
 
     def update_active_connections(self, count: int):
         """Update active connections count."""
-        # Update OpenTelemetry metrics
+        # Update OpenTelemetry metrics with proper labels
         if self.enable_otel and hasattr(self, 'otel_active_connections'):
-            self.otel_active_connections.add(count)
+            labels = {
+                "app_name": self.app_name,
+                "instance_id": self.instance_id,
+                "version": self.version
+            }
+            # Use set() for gauge metrics, not add()
+            self.otel_active_connections.set(count, labels)
 
-        # Active connections tracked via OpenTelemetry only
+        # Update Prometheus metrics with app identification
+        if self.enable_prometheus and hasattr(self, 'prom_active_connections'):
+            labels = {
+                'app_name': self.app_name,
+                'service_name': self.service_name,
+                'instance_id': self.instance_id
+            }
+            self.prom_active_connections.labels(**labels).set(count)
 
 
 

observability/grafana/provisioning/dashboards/redis-test-dashboard.json

@@ -320,15 +320,68 @@
       "pluginVersion": "8.0.0",
       "targets": [
         {
-          "expr": "redis_active_connections",
+          "expr": "redis_connections_total{app_name=~\"$app_name\"}",
           "interval": "",
-          "legendFormat": "Active Connections",
+          "legendFormat": "{{app_name}} - {{instance_id}}",
           "refId": "A"
         }
       ],
       "title": "Active Connections",
       "type": "stat"
     },
+    {
+      "datasource": "Prometheus",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "vis": false
+            }
+          },
+          "mappings": []
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 0
+      },
+      "id": 15,
+      "options": {
+        "legend": {
+          "displayMode": "visible",
+          "placement": "bottom"
+        },
+        "pieType": "pie",
+        "reduceOptions": {
+          "values": false,
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": ""
+        },
+        "tooltip": {
+          "mode": "single"
+        }
+      },
+      "targets": [
+        {
+          "expr": "increase(redis_connections_total{app_name=~\"$app_name\"}[5m])",
+          "interval": "",
+          "legendFormat": "{{app_name}} - {{status}}",
+          "refId": "A"
+        }
+      ],
+      "title": "Connection Attempts (5m)",
+      "type": "piechart"
+    },
     {
       "datasource": "Prometheus",
       "fieldConfig": {