code: def delete_all_chaos_object(self):
      chaos_objects = self.list_chaos_object()
      if len(chaos_objects["items"]) > 0:
          for item in chaos_objects["items"]:
              metadata_name = item["metadata"]["name"]
              self.delete_chaos_object(metadata_name)
  
file_path: milvus/tests/benchmark/milvus_benchmark/chaos/chaos_opt.py
imports: from __future__ import print_function
  from utils import *
  import logging
  from pprint import pprint
  from kubernetes import client, config
  from kubernetes.client.rest import ApiException
  from milvus_benchmark import config
label_desc: Use image node_id 5 for calling the ChaosOpt obj's underlying member method code with example usage: obj.delete_all_chaos_object() without return types