Using NFS StorageClass in k8s

apiVersion: v1
kind: Pod
metadata:
  name: pod-nfs
spec:
  containers:
    - name: pod-nfs
      image: alpine:latest
      command:
        - touch
        - /data/testfile-from-pod-nfs
      volumeMounts:
        - name: nfs-volume
          mountPath: /data
  volumes:
    - name: nfs-volume
      nfs:
        server: 192.168.56.20
        path: /data
        readOnly: no

k create -f pod-nfs.yaml

ssh 192.168.56.20 'ls -la /data/testfile-from-pod-nfs'

apiVersion: v1
kind: PersistentVolume
metadata:
  name: nfs-pv
spec:
  accessModes:
    - ReadWriteOnce
    - ReadOnlyMany
    - ReadWriteMany
  capacity:
    storage: 3Gi
  storageClassName: ""
  persistentVolumeReclaimPolicy: Recycle
  volumeMode: Filesystem
  nfs:
    server: 192.168.56.20
    path: /data
    readOnly: no

k create -f nfs-pv.yaml 

k get pv

helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner

helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner \
    --set nfs.server=192.168.56.20 \
    --set nfs.path=/data \
    --set storageClass.pathPattern='/${.PVC.namespace}-${.PVC.name}'

k get sc

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: nfs-pvc
spec:
  accessModes:
    - ReadWriteMany
  storageClassName: nfs-client
  resources:
    requests:
      storage: 1Gi

k create -f nfs-pvc.yaml

k get pvc

k get pv

k get sc

kubectl patch storageclass nfs-client -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'

k get sc

helm list

helm delete nfs-subdir-external-provisioner

k get sc