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rbd: add volume locks for reclaimspace operations

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This commit adds locks on reclaimspace operations to
prevent multiple process executing rbd sparsify/fstrim
on same volume.

Signed-off-by: Praveen M <m.praveen@ibm.com>
This commit is contained in:
Praveen M
2024-05-23 19:34:28 +05:30
committed by mergify[bot]
parent e6540989a5
commit 243a0fd0fb
3 changed files with 28 additions and 12 deletions
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24
internal/csi-addons/rbd/reclaimspace.go
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@ -37,12 +37,13 @@ import (
// of CSI-addons reclaimspace controller service spec.
type ReclaimSpaceControllerServer struct {
*rs.UnimplementedReclaimSpaceControllerServer
volumeLocks *util.VolumeLocks
}
// NewReclaimSpaceControllerServer creates a new ReclaimSpaceControllerServer which handles
// the ReclaimSpace Service requests from the CSI-Addons specification.
func NewReclaimSpaceControllerServer() *ReclaimSpaceControllerServer {
return &ReclaimSpaceControllerServer{}
func NewReclaimSpaceControllerServer(volumeLocks *util.VolumeLocks) *ReclaimSpaceControllerServer {
return &ReclaimSpaceControllerServer{volumeLocks: volumeLocks}
}
func (rscs *ReclaimSpaceControllerServer) RegisterService(server grpc.ServiceRegistrar) {
@ -64,6 +65,13 @@ func (rscs *ReclaimSpaceControllerServer) ControllerReclaimSpace(
}
defer cr.DeleteCredentials()
if acquired := rscs.volumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
}
defer rscs.volumeLocks.Release(volumeID)
rbdVol, err := rbdutil.GenVolFromVolID(ctx, volumeID, cr, req.GetSecrets())
if err != nil {
return nil, status.Errorf(codes.Aborted, "failed to find volume with ID %q: %s", volumeID, err.Error())
@ -90,12 +98,13 @@ func (rscs *ReclaimSpaceControllerServer) ControllerReclaimSpace(
// of CSI-addons reclaimspace controller service spec.
type ReclaimSpaceNodeServer struct {
*rs.UnimplementedReclaimSpaceNodeServer
volumeLocks *util.VolumeLocks
}
// NewReclaimSpaceNodeServer creates a new IdentityServer which handles the
// Identity Service requests from the CSI-Addons specification.
func NewReclaimSpaceNodeServer() *ReclaimSpaceNodeServer {
return &ReclaimSpaceNodeServer{}
func NewReclaimSpaceNodeServer(volumeLocks *util.VolumeLocks) *ReclaimSpaceNodeServer {
return &ReclaimSpaceNodeServer{volumeLocks: volumeLocks}
}
func (rsns *ReclaimSpaceNodeServer) RegisterService(server grpc.ServiceRegistrar) {
@ -116,6 +125,13 @@ func (rsns *ReclaimSpaceNodeServer) NodeReclaimSpace(
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
}
if acquired := rsns.volumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
}
defer rsns.volumeLocks.Release(volumeID)
// path can either be the staging path on the node, or the volume path
// inside an application container
path := req.GetStagingTargetPath()