HTTP post on the node

def post(self, path, data=None, **kwargs):
        """
        HTTP post on the node
        """
        if data:
            return (yield from self._compute.post("/projects/{}/{}/nodes/{}{}".format(self._project.id, self._node_type, self._id, path), data=data, **kwargs))
        else:
            return (yield from self._compute.post("/projects/{}/{}/nodes/{}{}".format(self._project.id, self._node_type, self._id, path), **kwargs))