Support ceph rbd resize

pkg/volume/rbd/rbd_test.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/uuid"
@@ -142,6 +143,10 @@ func (fake *fakeDiskManager) IsLocked(r rbdMounter, nodeName string) (bool, erro
 	return ok && isLocked, nil
 }
 
+func (fake *fakeDiskManager) ExpandImage(rbdExpander *rbdVolumeExpander, oldSize resource.Quantity, newSize resource.Quantity) (resource.Quantity, error) {
+	return resource.Quantity{}, fmt.Errorf("not implemented")
+}
+
 // checkMounterLog checks fakeMounter must have expected logs, and the last action msut equal to expectedAction.
 func checkMounterLog(t *testing.T, fakeMounter *mount.FakeMounter, expected int, expectedAction mount.FakeAction) {
 	if len(fakeMounter.Log) != expected {