def __init__(self, reactor, flocker_client, node_id):
        self._reactor = reactor
        self._flocker_client = flocker_client
        self._node_id = node_id
:param IReactorTime reactor: Reactor time interface implementation.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/dockerplugin/_api.py/VolumePlugin.__init__