A Helm chart for dynamic NFS persistent volumes based on https://github.com/kubernetes-incubator/external-storage/blob/233b44b89dee15d9ec4ba2e084abb74735a60909/nfs/deploy/kubernetes
You must either either create a PersistentVolumeClaim such as pvc-kubespray-glusterfs.yaml to back the dynamically created NFS volumes , or specify a hostPath.
This chart defaults to creating StorageClass: external-storage-nfs-provisioner.