---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-nfs
spec:
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteMany
  persistentVolumeReclaimPolicy: Retain
  mountOptions:
    - hard
    - nfsvers=4.1
  csi:
    driver: nfs.csi.k8s.io
    readOnly: false
    volumeHandle: unique-volumeid  # make sure it's a unique id in the cluster
    volumeAttributes:
      server: nfs-server.default.svc.cluster.local
      share: /
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: nfs
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 10Gi
  volumeName: pv-nfs
  storageClassName: ""
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nfs-busybox
spec:
  replicas: 1
  selector:
    matchLabels:
        name: nfs-busybox
  template:
    metadata:
        name: nfs-busybox
        labels:
            name: nfs-busybox
    spec:
      containers:
      - image: busybox
        command:
          - sh
          - -c
          - 'while true; do date > /mnt/index.html; hostname >> /mnt/index.html; sleep $(($RANDOM % 5 + 5)); done'
        imagePullPolicy: IfNotPresent
        name: busybox
        volumeMounts:
          - name: nfs
            mountPath: "/mnt"
      volumes:
      - name: nfs
        persistentVolumeClaim:
          claimName: nfs