feat: inherit snapshot nfs server params from src vol

Author: wozniakjan

pkg/nfs/controllerserver.go

@@ -289,7 +289,11 @@ func (cs *ControllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
 		return nil, status.Error(codes.InvalidArgument, "CreateSnapshot name must be provided")
 	}
 
-	snapshot, err := newNFSSnapshot(req.GetName(), req.GetParameters())
+	srcVol, err := getNfsVolFromID(req.GetSourceVolumeId())
+	if err != nil {
+		return nil, status.Errorf(codes.NotFound, "failed to create source volume: %v", err)
+	}
+	snapshot, err := newNFSSnapshot(req.GetName(), req.GetParameters(), srcVol)
 	if err != nil {
 		return nil, status.Errorf(codes.NotFound, "failed to create nfsSnapshot: %v", err)
 	}
@@ -303,10 +307,6 @@ func (cs *ControllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
 		}
 	}()
 
-	srcVol, err := getNfsVolFromID(req.GetSourceVolumeId())
-	if err != nil {
-		return nil, status.Errorf(codes.NotFound, "failed to create source volume: %v", err)
-	}
 	if err = cs.internalMount(ctx, srcVol, nil, nil); err != nil {
 		return nil, status.Errorf(codes.Internal, "failed to mount src nfs server: %v", err)
 	}
@@ -545,8 +545,9 @@ func (cs *ControllerServer) copyVolume(ctx context.Context, req *csi.CreateVolum
 }
 
 // newNFSSnapshot Convert VolumeSnapshot parameters to a nfsSnapshot
-func newNFSSnapshot(name string, params map[string]string) (*nfsSnapshot, error) {
-	var server, baseDir string
+func newNFSSnapshot(name string, params map[string]string, vol *nfsVolume) (*nfsSnapshot, error) {
+	server := vol.server
+	baseDir := vol.baseDir
 	for k, v := range params {
 		switch strings.ToLower(k) {
 		case paramServer: