fixed typo in ex_rename_storage
@@ -563,7 +563,7 @@ class GridscaleNodeDriver(GridscaleBaseDriver):
:rtype: ``bool``
"""
result = self._sync_request(data=json.dumps({'name': name}),
- endpoint='objects/servers/{}'
+ endpoint='objects/storages/{}'
.format(storage.id),
method='PATCH')
return result.status == 204
