feat(storage): add NFS storage provisioner

Configure nfs-subdir-external-provisioner for persistent storage
backed by NFS server at 10.0.0.57:/mnt/NAS/vmstorage.

Features:
- Dynamic provisioning of PersistentVolumes
- Set as default storage class
- Supports ReadWriteMany access mode
- Prepares cluster for diskless PXE boot nodes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

testing1/first-cluster/cluster/nfs-provisioner/deployment.yaml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nfs-client-provisioner
+  namespace: nfs-provisioner
+  labels:
+    app: nfs-client-provisioner
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: nfs-client-provisioner
+  template:
+    metadata:
+      labels:
+        app: nfs-client-provisioner
+    spec:
+      serviceAccountName: nfs-client-provisioner
+      containers:
+        - name: nfs-client-provisioner
+          image: registry.k8s.io/sig-storage/nfs-subdir-external-provisioner:v4.0.2
+          volumeMounts:
+            - name: nfs-client-root
+              mountPath: /persistentvolumes
+          env:
+            - name: PROVISIONER_NAME
+              value: k8s-sigs.io/nfs-subdir-external-provisioner
+            - name: NFS_SERVER
+              value: 10.0.0.57
+            - name: NFS_PATH
+              value: /mnt/NAS/vmstorage
+      volumes:
+        - name: nfs-client-root
+          nfs:
+            server: 10.0.0.57
+            path: /mnt/NAS/vmstorage

testing1/first-cluster/cluster/nfs-provisioner/kustomization.yaml

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - namespace.yaml
+  - rbac.yaml
+  - storageclass.yaml
+  - deployment.yaml

testing1/first-cluster/cluster/nfs-provisioner/namespace.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: nfs-provisioner
+  labels:
+    pod-security.kubernetes.io/enforce: privileged
+    pod-security.kubernetes.io/audit: privileged
+    pod-security.kubernetes.io/warn: privileged

testing1/first-cluster/cluster/nfs-provisioner/rbac.yaml

@@ -0,0 +1,63 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: nfs-client-provisioner
+  namespace: nfs-provisioner
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: nfs-client-provisioner-runner
+rules:
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs: ["get", "list", "watch"]
+  - apiGroups: [""]
+    resources: ["persistentvolumes"]
+    verbs: ["get", "list", "watch", "create", "delete"]
+  - apiGroups: [""]
+    resources: ["persistentvolumeclaims"]
+    verbs: ["get", "list", "watch", "update"]
+  - apiGroups: ["storage.k8s.io"]
+    resources: ["storageclasses"]
+    verbs: ["get", "list", "watch"]
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["create", "update", "patch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: run-nfs-client-provisioner
+subjects:
+  - kind: ServiceAccount
+    name: nfs-client-provisioner
+    namespace: nfs-provisioner
+roleRef:
+  kind: ClusterRole
+  name: nfs-client-provisioner-runner
+  apiGroup: rbac.authorization.k8s.io
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: leader-locking-nfs-client-provisioner
+  namespace: nfs-provisioner
+rules:
+  - apiGroups: [""]
+    resources: ["endpoints"]
+    verbs: ["get", "list", "watch", "create", "update", "patch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: leader-locking-nfs-client-provisioner
+  namespace: nfs-provisioner
+subjects:
+  - kind: ServiceAccount
+    name: nfs-client-provisioner
+    namespace: nfs-provisioner
+roleRef:
+  kind: Role
+  name: leader-locking-nfs-client-provisioner
+  apiGroup: rbac.authorization.k8s.io

testing1/first-cluster/cluster/nfs-provisioner/storageclass.yaml

@@ -0,0 +1,11 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: nfs-client
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "true"
+provisioner: k8s-sigs.io/nfs-subdir-external-provisioner
+parameters:
+  archiveOnDelete: "true"
+reclaimPolicy: Delete
+volumeBindingMode: Immediate