code: def ip_addr(self):
      return ray._private.services.get_node_ip_address()
  
file_path: analytics-zoo/pyzoo/zoo/orca/learn/dl_cluster.py
imports: import ray
  from zoo.orca.cpu_info import schedule_workers
  import os
  import sys
  import logging
label_desc: Use image node_id 1 for calling the ClusterInfo obj's underlying member method code with example usage: obj.ip_addr() and returns: ray