def __create_navigator(self, main_root):
		navigator_dir = os.path.join(main_root, 'navigator')
		safe_mkdir(navigator_dir)

		navigators = self.__config_mgr.navigator()
		self.__navigator_mgr.create_navigators(navigators, navigator_dir)
def update_snapshot_metadata_item(self, snapshot_id, id, meta_item):
        """Update metadata item for the snapshot."""
        put_body = json.dumps({'meta': meta_item})
        url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
        resp, body = self.put(url, put_body)
        body = json.loads(body)
        return resp, body['meta']