code: def check_cluster(
      targets: List[Check],
  ) -> bool:
      gcs_address = ray.get_runtime_context().gcs_address
      cluster_status = get_cluster_status(gcs_address)
  
      for target in targets:
          target.check(cluster_status)
  
      return True
  
imports: import abc
  import operator
  from abc import abstractmethod
  from typing import Dict, List
  import ray
  from ray.autoscaler.v2.schema import ClusterStatus, ResourceUsage
  from ray.autoscaler.v2.sdk import get_cluster_status
  from ray.core.generated import autoscaler_pb2
  from ray.core.generated.instance_manager_pb2 import Instance
label_desc: Use image node_id 7 for calling a global function with example usage: check_cluster(targets) and returns: True