In [3]: ray.init(local_mode=True)
Out[3]: {'node_ip_address': None, 'redis_address': None}

In [4]: ray.global_state
Out[4]: <ray.experimental.state.GlobalState at 0x11af9eb70>

In [5]: ray.global_state.cluster_resources()
---------------------------------------------------------------------------
Exception                                 Traceback (most recent call last)
<ipython-input-5-2a1a6ccf3180> in <module>()
----> 1 ray.global_state.cluster_resources()

~/miniconda3/envs/ray/lib/python3.6/site-packages/ray/experimental/state.py in cluster_resources(self)
    765         """
    766         resources = defaultdict(int)
--> 767         clients = self.client_table()
    768         for client in clients:
    769             # Only count resources from live clients.

~/miniconda3/envs/ray/lib/python3.6/site-packages/ray/experimental/state.py in client_table(self)
    400             Information about the Ray clients in the cluster.
    401         """
--> 402         self._check_connected()
    403
    404         return parse_client_table(self.redis_client)

~/miniconda3/envs/ray/lib/python3.6/site-packages/ray/experimental/state.py in _check_connected(self)
    114         """
    115         if self.redis_client is None:
--> 116             raise Exception("The ray.global_state API cannot be used before "
    117                             "ray.init has been called.")
    118

Exception: The ray.global_state API cannot be used before ray.init has been called.