refactor: reorganize kustomizations

cluster/core/flux-system/monitoring/gitopstoolkit.yaml

@@ -0,0 +1,20 @@
+---
+kind: PrometheusRule
+apiVersion: monitoring.coreos.com/v1
+metadata:
+  labels:
+    prometheus: k8s
+    role: alert-rules
+  name: gitopstoolkit
+  namespace: flux-system
+spec:
+  groups:
+    - name: GitOpsToolkit
+      rules:
+        - alert: ReconciliationFailure
+          expr: max(gotk_reconcile_condition{status="False",type="Ready"}) by (namespace, name, kind) + on(namespace, name, kind) (max(gotk_reconcile_condition{status="Deleted"}) by (namespace, name, kind)) * 2 == 1
+          for: 30m
+          labels:
+            severity: page
+          annotations:
+            summary: "{{ $labels.kind }} {{ $labels.namespace }}/{{ $labels.name }} reconciliation has been failing for more than ten minutes."