csiaddons: use rbd.Manager within ReclaimSpaceControllerServer

Signed-off-by: Niels de Vos <ndevos@ibm.com>

internal/csi-addons/rbd/reclaimspace.go

@@ -37,13 +37,18 @@ import (
 // of CSI-addons reclaimspace controller service spec.
 type ReclaimSpaceControllerServer struct {
 	*rs.UnimplementedReclaimSpaceControllerServer
+
+	driver      string
 	volumeLocks *util.VolumeLocks
 }
 
 // NewReclaimSpaceControllerServer creates a new ReclaimSpaceControllerServer which handles
 // the ReclaimSpace Service requests from the CSI-Addons specification.
-func NewReclaimSpaceControllerServer(volumeLocks *util.VolumeLocks) *ReclaimSpaceControllerServer {
-	return &ReclaimSpaceControllerServer{volumeLocks: volumeLocks}
+func NewReclaimSpaceControllerServer(driver string, volumeLocks *util.VolumeLocks) *ReclaimSpaceControllerServer {
+	return &ReclaimSpaceControllerServer{
+		driver:      driver,
+		volumeLocks: volumeLocks,
+	}
 }
 
 func (rscs *ReclaimSpaceControllerServer) RegisterService(server grpc.ServiceRegistrar) {
@@ -59,12 +64,6 @@ func (rscs *ReclaimSpaceControllerServer) ControllerReclaimSpace(
 		return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
 	}
 
-	cr, err := util.NewUserCredentials(req.GetSecrets())
-	if err != nil {
-		return nil, status.Error(codes.Internal, err.Error())
-	}
-	defer cr.DeleteCredentials()
-
 	if acquired := rscs.volumeLocks.TryAcquire(volumeID); !acquired {
 		log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
 
@@ -72,13 +71,16 @@ func (rscs *ReclaimSpaceControllerServer) ControllerReclaimSpace(
 	}
 	defer rscs.volumeLocks.Release(volumeID)
 
-	rbdVol, err := rbdutil.GenVolFromVolID(ctx, volumeID, cr, req.GetSecrets())
+	mgr := rbdutil.NewManager(rscs.driver, nil, req.GetSecrets())
+	defer mgr.Destroy(ctx)
+
+	rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
 	if err != nil {
 		return nil, status.Errorf(codes.Aborted, "failed to find volume with ID %q: %s", volumeID, err.Error())
 	}
 	defer rbdVol.Destroy(ctx)
 
-	err = rbdVol.Sparsify()
+	err = rbdVol.Sparsify(ctx)
 	if errors.Is(err, rbdutil.ErrImageInUse) {
 		// FIXME: https://github.com/csi-addons/kubernetes-csi-addons/issues/406.
 		// treat sparsify call as no-op if volume is in use.

internal/csi-addons/rbd/reclaimspace_test.go

@@ -32,7 +32,7 @@ import (
 func TestControllerReclaimSpace(t *testing.T) {
 	t.Parallel()
 
-	controller := NewReclaimSpaceControllerServer(util.NewVolumeLocks())
+	controller := NewReclaimSpaceControllerServer("test.driver", util.NewVolumeLocks())
 
 	req := &rs.ControllerReclaimSpaceRequest{
 		VolumeId: "",

internal/rbd/diskusage.go

@@ -17,6 +17,7 @@ limitations under the License.
 package rbd
 
 import (
+	"context"
 	"fmt"
 )
 
@@ -25,7 +26,7 @@ import (
 // of the image.
 // This function will return ErrImageInUse if the image is in use, since
 // sparsifying an image on which i/o is in progress is not optimal.
-func (ri *rbdImage) Sparsify() error {
+func (ri *rbdImage) Sparsify(_ context.Context) error {
 	inUse, err := ri.isInUse()
 	if err != nil {
 		return fmt.Errorf("failed to check if image is in use: %w", err)

internal/rbd/driver/driver.go

@@ -229,7 +229,7 @@ func (r *Driver) setupCSIAddonsServer(conf *util.Config) error {
 	r.cas.RegisterService(is)
 
 	if conf.IsControllerServer {
-		rs := casrbd.NewReclaimSpaceControllerServer(r.cs.VolumeLocks)
+		rs := casrbd.NewReclaimSpaceControllerServer(conf.InstanceID, r.cs.VolumeLocks)
 		r.cas.RegisterService(rs)
 
 		fcs := casrbd.NewFenceControllerServer()

internal/rbd/types/volume.go

@@ -45,6 +45,9 @@ type csiAddonsVolume interface {
 	// RotateEncryptionKey processes the key rotation for the RBD Volume.
 	RotateEncryptionKey(ctx context.Context) error
 
+	// Sparsify tries to free unused blocks of the volume from the CSI-Addons Controller.
+	Sparsify(ctx context.Context) error
+
 	// HandleParentImageExistence checks the image's parent.
 	// if the parent image does not exist and is not in trash, it returns nil.
 	// if the flattenMode is FlattenModeForce, it flattens the image itself.