ClusterRole is for NFS Provisioner to create SC/PV/PVC.

ClusterRoleBinding match ClusterRole and ServiceAccount in the NFS provisioner project.

Deployment is for NFS server.

HostPathDir is the directory that NFS server will use.NFS server will use PVC by default.

NFSImage is for setting anoter nfs provisioner operator image.

NFSImage PullPolicy is to change pullpolicy for nfs provisioner operator image.

Pvc is the storage for NFS server will use.

Role gives the permissions to get endpoints/services for NFS server.

RoleBinding gives the Role to the SA.

SCForNFSProvisioner is for NFS Provisioner.

SCForNFSPvc is the storageClass name to create PVC for NFS server.

SecurityContextContrants is the permission control mechanism in Openshift and it is the same as PodSecurityPolices in Kubenetes For OpenShift, you have to create SCC even though PSP can be created.

Service is for NFS provisioner to access to NFS Server.

ServiceAccount is the project level main sa that has power to control NFS provisioners.

StorageSize is the PVC size for NFS server will use.

NodeSelector is for the node where NFS server will be running.