Refresh self from the server-provided protobuf.
        Helper for :meth:`from_pb` and :meth:`reload`.

def _update_from_pb(self, cluster_pb):
        """Refresh self from the server-provided protobuf.
        Helper for :meth:`from_pb` and :meth:`reload`.
        """

        self.location_id = cluster_pb.location.split("/")[-1]
        self.serve_nodes = cluster_pb.serve_nodes
        self.default_storage_type = cluster_pb.default_storage_type
        self._state = cluster_pb.state