nfs: add support for create & delete snapshot

This commits adds support for creation and
deletion of nfs snapshots based on cephfs.

Signed-off-by: Rakshith R <rar@redhat.com>
This commit is contained in:
Rakshith R 2022-05-10 14:56:22 +05:30 committed by mergify[bot]
parent b7ec0b2d66
commit 24515b509f
2 changed files with 18 additions and 0 deletions

View File

@ -46,6 +46,7 @@ type Server struct {
func NewControllerServer(d *csicommon.CSIDriver) *Server { func NewControllerServer(d *csicommon.CSIDriver) *Server {
// global instance of the volume journal, yuck // global instance of the volume journal, yuck
store.VolJournal = journal.NewCSIVolumeJournalWithNamespace(cephfs.CSIInstanceID, fsutil.RadosNamespace) store.VolJournal = journal.NewCSIVolumeJournalWithNamespace(cephfs.CSIInstanceID, fsutil.RadosNamespace)
store.SnapJournal = journal.NewCSISnapshotJournalWithNamespace(cephfs.CSIInstanceID, fsutil.RadosNamespace)
return &Server{ return &Server{
backendServer: cephfs.NewControllerServer(d), backendServer: cephfs.NewControllerServer(d),
@ -159,3 +160,19 @@ func (cs *Server) ControllerExpandVolume(
req *csi.ControllerExpandVolumeRequest) (*csi.ControllerExpandVolumeResponse, error) { req *csi.ControllerExpandVolumeRequest) (*csi.ControllerExpandVolumeResponse, error) {
return cs.backendServer.ControllerExpandVolume(ctx, req) return cs.backendServer.ControllerExpandVolume(ctx, req)
} }
// CreateSnapshot calls the backend (CephFS) procedure to create snapshot.
// There is no interaction with the NFS-server needed for snapshot creation.
func (cs *Server) CreateSnapshot(
ctx context.Context,
req *csi.CreateSnapshotRequest) (*csi.CreateSnapshotResponse, error) {
return cs.backendServer.CreateSnapshot(ctx, req)
}
// DeleteSnapshot calls the backend (CephFS) procedure to delete snapshot.
// There is no interaction with the NFS-server needed for snapshot creation.
func (cs *Server) DeleteSnapshot(
ctx context.Context,
req *csi.DeleteSnapshotRequest) (*csi.DeleteSnapshotResponse, error) {
return cs.backendServer.DeleteSnapshot(ctx, req)
}

View File

@ -47,6 +47,7 @@ func (fs *Driver) Run(conf *util.Config) {
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME, csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
csi.ControllerServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER, csi.ControllerServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
csi.ControllerServiceCapability_RPC_EXPAND_VOLUME, csi.ControllerServiceCapability_RPC_EXPAND_VOLUME,
csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT,
}) })
// VolumeCapabilities are validated by the CephFS Controller // VolumeCapabilities are validated by the CephFS Controller
cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{ cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{