add config for longhorn

cluster/config/namespaces/namespaces.yml

@@ -21,3 +21,11 @@ metadata:
   name: monitoring
   labels:
     name: monitoring
+
+---
+kind: Namespace
+apiVersion: v1
+metadata:
+  name: longhorn-system
+  labels:
+    name: longhorn-system

cluster/helm/longhorn/longhorn-release.yml

@@ -0,0 +1,32 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: longhorn
+  namespace: longhorn-system
+spec:
+  interval: 24h
+  chart:
+    spec:
+      chart: longhorn
+      version: "1.9.1"
+      sourceRef:
+        kind: HelmRepository
+        name: longhorn
+        namespace: flux-system
+      interval: 24h
+  install:
+    createNamespace: true
+  upgrade:
+    remediation:
+      remediateLastFailure: true
+  values:
+    persistence:
+      defaultClass: true
+      reclaimPolicy: Retain
+    ingress:
+      enabled: false
+    service:
+      ui:
+        type: LoadBalancer
+        nodePort: 85

cluster/helm/longhorn/longhorn-repo.yml

@@ -0,0 +1,9 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: longhorn
+  namespace: flux-system
+spec:
+  interval: 24h
+  url: https://charts.longhorn.io