code: def get_current_namespace():
      init_k8s_client_config()
      ns = config.list_kube_config_contexts()[1]["context"]["namespace"]
      return ns
  
imports: import json
  import os.path
  import time
  import pyetcd
  import requests
  from pymilvus import connections
  from kubernetes import client, config
  from kubernetes.client.rest import ApiException
  from common.milvus_sys import MilvusSys
  from utils.util_log import test_log
  from chaos import chaos_commons
  from common.common_type import in_cluster_env
label_desc: Use image node_id 2 for calling a global function with example usage: get_current_namespace() and returns: ns