Merge pull request kubernetes-sigs#121 from ZeroMagic/none_exist_id

fix: return empty when the specify snapshot id does not exist

Author: k8s-ci-robot

pkg/azuredisk/azuredisk.go

@@ -58,6 +58,8 @@ const (
 
 	//default disk size is 1 GiB
 	defaultDiskSize = 1
+
+	resourceNotFound = "ResourceNotFound"
 )
 
 var (

pkg/azuredisk/controllerserver.go

@@ -518,6 +518,9 @@ func (d *Driver) ListSnapshots(ctx context.Context, req *csi.ListSnapshotsReques
 	if len(req.GetSnapshotId()) != 0 {
 		snapshot, err := d.getSnapshotByID(ctx, req.GetSnapshotId(), req.SourceVolumeId)
 		if err != nil {
+			if strings.Contains(err.Error(), resourceNotFound) {
+				return &csi.ListSnapshotsResponse{}, nil
+			}
 			return nil, err
 		}
 		entries := []*csi.ListSnapshotsResponse_Entry{