Fetch internal config from raylet (#8195)

python/ray/worker.py

@@ -808,10 +808,9 @@ def init(address=None,
         if raylet_socket_name is not None:
             raise ValueError("When connecting to an existing cluster, "
                              "raylet_socket_name must not be provided.")
-        if _internal_config is not None:
-            logger.warning(
-                "When connecting to an existing cluster, "
-                "_internal_config must match the cluster's _internal_config.")
+        if _internal_config is not None and len(_internal_config) != 0:
+            raise ValueError("When connecting to an existing cluster, "
+                             "_internal_config must not be provided.")
 
         # In this case, we only need to connect the node.
         ray_params = ray.parameter.RayParams(
@@ -836,8 +835,7 @@ def init(address=None,
         log_to_driver=log_to_driver,
         worker=global_worker,
         driver_object_store_memory=driver_object_store_memory,
-        job_id=job_id,
-        internal_config=_internal_config)
+        job_id=job_id)
 
     for hook in _post_init_hooks:
         hook()
@@ -1113,8 +1111,7 @@ def connect(node,
             log_to_driver=False,
             worker=global_worker,
             driver_object_store_memory=None,
-            job_id=None,
-            internal_config=None):
+            job_id=None):
     """Connect this worker to the raylet, to Plasma, and to Redis.
 
     Args:
@@ -1142,8 +1139,6 @@ def connect(node,
     except io.UnsupportedOperation:
         pass  # ignore
 
-    ray._raylet.set_internal_config(internal_config)
-
     # Create a Redis client to primary.
     # The Redis client can safely be shared between threads. However,
     # that is not true of Redis pubsub clients. See the documentation at