add devops config

clusters/devops/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - ../../apps/monitor/observability-agent/
+  - ../../apps/monitor/kube-prometheus-stack/

clusters/devops/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: monitoring
+  labels:
+    app.kubernetes.io/component: monitoring

clusters/devops/podmonitor.yaml

@@ -0,0 +1,30 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: gitops-system
+  namespace: monitoring
+  labels:
+    app.kubernetes.io/part-of: flux
+    app.kubernetes.io/component: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+      - gitops-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
+          - helm-controller
+          - source-controller
+          - kustomize-controller
+          - notification-controller
+          - image-automation-controller
+          - image-reflector-controller
+  podMetricsEndpoints:
+    - port: "8080"
+      relabelings:
+        # https://github.com/prometheus-operator/prometheus-operator/issues/4816
+        - sourceLabels: [__meta_kubernetes_pod_phase]
+          action: keep
+          regex: Running