Using a Rook NFS operator storage class to create dynamic NFS PVs

NFS is used in the Kubernetes environment on account of its ReadWriteMany capabilities for the application that requires access to the same data at the same time. In this recipe, we will perform the following steps to dynamically create an NFS-based persistent volume:

1. Create Rook NFS storage classes using exportName, nfsServerName, and nfsServerNamespace from the Installing an NFS provider using a Rook NFS operator recipe:

$ cat <<EOF | kubectl apply -f -
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  labels:
    app: rook-nfs
  name: rook-nfs-share1
parameters:
  exportName: share1
  nfsServerName: rook-nfs
  nfsServerNamespace: rook-nfs
provisioner: rook.io/nfs-provisioner
reclaimPolicy: Delete
volumeBindingMode: Immediate
EOF

2. Now, you can use the rook-nfs-share1 storage class to create PVCs for applications that require ReadWriteMany access:

$ cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: rook-nfs-pv-claim
spec:
  storageClassName: "rook-nfs-share1"
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Mi
EOF

By observing the preceding command, an NFS PV will be created.