fix(ai): scrape metrics through Istio sidecars

kustomize/ai-platform/base/ai-agent-orchestrator-deployment.yaml

@@ -34,6 +34,10 @@ spec:
       app: ai-agent-orchestrator
   template:
     metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/path: "/metrics"
+        prometheus.io/port: "8080"
       labels:
         app: ai-agent-orchestrator
         workload: ai

kustomize/ai-platform/base/ai-agent-orchestrator-service.yaml

@@ -34,3 +34,7 @@ spec:
     - name: http
       port: 8080
       targetPort: http
+    - name: http-metrics
+      port: 15020
+      protocol: TCP
+      targetPort: 15020

kustomize/ai-platform/base/ai-llm-gateway-deployment.yaml

@@ -32,6 +32,10 @@ spec:
       app: ai-llm-gateway
   template:
     metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/path: "/metrics"
+        prometheus.io/port: "8080"
       labels:
         app: ai-llm-gateway
         workload: ai

kustomize/ai-platform/base/ai-llm-gateway-service.yaml

@@ -34,3 +34,7 @@ spec:
     - name: http
       port: 8080
       targetPort: http
+    - name: http-metrics
+      port: 15020
+      protocol: TCP
+      targetPort: 15020

kustomize/ai-platform/base/servicemonitor-ai.yaml

@@ -24,6 +24,6 @@ spec:
     matchNames:
       - ai
   endpoints:
-    - port: http
-      path: /metrics
+    - port: http-metrics
+      path: /stats/prometheus
       interval: 30s