code: def post(self, path, data=None, **kwargs):
          
          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))
docs: HTTP post on the node