fix: prefix issue in getSmbVolFromID

Author: andyzhangx

pkg/smb/controllerserver.go

@@ -359,9 +359,12 @@ func (d *Driver) smbVolToCSI(vol *smbVolume, parameters map[string]string) *csi.
 func getSmbVolFromID(id string) (*smbVolume, error) {
 	segments := strings.Split(id, separator)
 	if len(segments) < 2 {
-		return nil, fmt.Errorf("Could not split %q into server and subDir", id)
+		return nil, fmt.Errorf("could not split %q into server and subDir", id)
+	}
+	source := segments[0]
+	if !strings.HasPrefix(segments[0], "//") {
+		source = "//" + source
 	}
-	source := "//" + segments[0]
 	vol := &smbVolume{
 		id:          id,
 		sourceField: source,

pkg/smb/controllerserver_test.go

@@ -457,6 +457,13 @@ func TestGetSmbVolFromID(t *testing.T) {
 			subDir:    "pvc-4729891a-f57e-4982-9c60-e9884af1be2f",
 			expectErr: false,
 		},
+		{
+			desc:      "correct volume id with //",
+			volumeID:  "//smb-server.default.svc.cluster.local/share#pvc-4729891a-f57e-4982-9c60-e9884af1be2f",
+			source:    "//smb-server.default.svc.cluster.local/share",
+			subDir:    "pvc-4729891a-f57e-4982-9c60-e9884af1be2f",
+			expectErr: false,
+		},
 		{
 			desc:      "correct volume id with empty uuid",
 			volumeID:  "smb-server.default.svc.cluster.local/share#pvc-4729891a-f57e-4982-9c60-e9884af1be2f#",