openstack/api: delete image "container" when download fails

if the image is failing to be ready in the given retry loop, we can
delete the image "container" otherwise OpenStack will still try to
download the image which will eventually will work but for nothing.

Signed-off-by: Mathieu Tortuyaux <[email protected]>

platform/api/openstack/api.go

@@ -555,6 +555,7 @@ func (a *API) UploadImage(name, path string) (string, error) {
 
 			return image.Status == images.ImageStatusActive, nil
 		}); err != nil {
+			a.DeleteImage(image.ID)
 			return "", fmt.Errorf("getting image active: %w", err)
 		}