[GCS] Global state accessor from node resource table (#8658)

python/ray/includes/global_state_accessor.pxd

@@ -4,6 +4,7 @@ from libcpp.vector cimport vector as c_vector
 from libcpp.memory cimport unique_ptr
 from ray.includes.unique_ids cimport (
     CActorID,
+    CClientID,
     CObjectID,
 )
 
@@ -21,3 +22,4 @@ cdef extern from "ray/gcs/gcs_client/global_state_accessor.h" nogil:
         unique_ptr[c_string] GetObjectInfo(const CObjectID &object_id)
         c_vector[c_string] GetAllActorInfo()
         unique_ptr[c_string] GetActorInfo(const CActorID &actor_id)
+        c_string GetNodeResourceInfo(const CClientID &node_id)

python/ray/includes/global_state_accessor.pxi

@@ -1,5 +1,6 @@
 from ray.includes.unique_ids cimport (
     CActorID,
+    CClientID,
     CObjectID,
 )
 
@@ -53,3 +54,6 @@ cdef class GlobalStateAccessor:
         if actor_info:
             return c_string(actor_info.get().data(), actor_info.get().size())
         return None
+
+    def get_node_resource_info(self, node_id):
+        return self.inner.get().GetNodeResourceInfo(CClientID.FromBinary(node_id.binary()))