feat: migrate observability stack to flux gitops

infrastructure/addons/observability/helmrelease-kube-prometheus-stack.yaml

@@ -0,0 +1,63 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: kube-prometheus-stack
+  namespace: flux-system
+spec:
+  interval: 10m
+  targetNamespace: observability
+  chart:
+    spec:
+      chart: kube-prometheus-stack
+      version: 68.4.4
+      sourceRef:
+        kind: HelmRepository
+        name: prometheus-community
+        namespace: flux-system
+  install:
+    createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
+  values:
+    grafana:
+      enabled: true
+      persistence:
+        enabled: true
+        storageClassName: local-path
+        size: 5Gi
+      service:
+        type: ClusterIP
+      sidecar:
+        datasources:
+          enabled: true
+          label: grafana_datasource
+          searchNamespace: observability
+        dashboards:
+          enabled: true
+          label: grafana_dashboard
+          searchNamespace: observability
+    prometheus:
+      service:
+        type: ClusterIP
+      prometheusSpec:
+        retention: 7d
+        storageSpec:
+          volumeClaimTemplate:
+            spec:
+              storageClassName: local-path
+              accessModes:
+                - ReadWriteOnce
+              resources:
+                requests:
+                  storage: 10Gi
+    alertmanager:
+      enabled: false
+    kubeEtcd:
+      enabled: false
+    kubeControllerManager:
+      enabled: false
+    kubeScheduler:
+      enabled: false