add podmonitor.yaml for gitops-system

clusters/sit/kustomization.yaml

@@ -5,3 +5,4 @@ resources:
   - namespace.yaml
   - prometheus-agent.yaml
   - observability-agent.yaml
+  - podmonitor.yaml

clusters/sit/podmonitor.yaml

@@ -0,0 +1,29 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: gitops-system
+  labels:
+    app.kubernetes.io/part-of: flux
+    app.kubernetes.io/component: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+      - flux-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
+          - helm-controller
+          - source-controller
+          - kustomize-controller
+          - notification-controller
+          - image-automation-controller
+          - image-reflector-controller
+  podMetricsEndpoints:
+    - port: http-prom
+      relabelings:
+        # https://github.com/prometheus-operator/prometheus-operator/issues/4816
+        - sourceLabels: [__meta_kubernetes_pod_phase]
+          action: keep
+          regex: Running

clusters/sit/prometheus-agent.yaml

@@ -38,3 +38,5 @@ spec:
       enabled: false
     prometheus-windows-exporter:
       enabled: false
+    alertmanager:
+      enabled: false