fix(glance): image disk_format use String2ImageFormat (#23989)

Author: wanyaoqi

pkg/image/models/images.go

@@ -561,7 +561,7 @@ func (self *SImage) SaveImageFromStream(reader io.Reader, totalSize int64, calCh
 		if err != nil {
 			return errors.Wrapf(err, "NewQemuImage %s", localPath)
 		}
-		format = string(img.Format)
+		format = string(img.String2ImageFormat())
 		virtualSizeBytes = img.SizeBytes
 
 		var fastChksum string
@@ -1475,7 +1475,7 @@ func (image *SImage) DoCheckStatus(ctx context.Context, userCred mcclient.TokenC
 			}
 			img, err := qemuimg.NewQemuImage(image.GetLocalLocation())
 			if err == nil {
-				format := string(img.Format)
+				format := string(img.String2ImageFormat())
 				virtualSizeMB := int32(img.SizeBytes / 1024 / 1024)
 				if (len(format) > 0 && image.DiskFormat != format) || (virtualSizeMB > 0 && image.MinDiskMB != virtualSizeMB) {
 					db.Update(image, func() error {

pkg/util/qemuimg/qemuimg.go

@@ -914,6 +914,10 @@ func (img *SQemuImage) String() string {
 	return fmt.Sprintf("Qemu %s %d(%d) %s", img.Format, img.GetSizeMB(), img.GetActualSizeMB(), img.Path)
 }
 
+func (img *SQemuImage) String2ImageFormat() qemuimgfmt.TImageFormat {
+	return qemuimgfmt.String2ImageFormat(string(img.Format))
+}
+
 func (img *SQemuImage) WholeChainFormatIs(format string) (bool, error) {
 	if img.Format.String() != format {
 		return false, nil