code: def cloud_is_bad(self, timeoutSecs=10, **kwargs):
      try:
          cloud = self.cloud()
      except Exception as e:
          return str(e)
  
      if cloud is None:
          return "/3/Cloud returned None"
      if "cloud_size" not in cloud:
          return "/3/Cloud return value does not contain cloud_size"
      if "nodes" not in cloud:
          return "/3/Cloud return value does not contain nodes"
      if type(cloud["nodes"]) is not list:
          return "/3/Cloud nodes element is not a list"
      if cloud["cloud_size"] < 1:
          return "cloud_size < 1: " + cloud["cloud_size"]
  
      size = cloud["cloud_size"]
      if cloud["cloud_size"] != len(cloud["nodes"]):
          return "/3/Cloud nodes list length != cloud_size"
  
      node_num = 0
      for node in cloud["nodes"]:
          if "healthy" not in node:
              return (
                  "/3/Cloud node return value does not contain healthy"
              )
          if not node["healthy"]:
              return "node " + str(node_num) + " is not healthy"
  
      return None
  
imports: import sys, os, getpass, logging, time, inspect, requests, json, pprint
  import h2o_test_utils
  from h2o_test_utils import log, log_rest
  import h2o_print
label_desc: Use image node_id 8 for calling the H2O obj's underlying member method code with example usage: obj.cloud_is_bad(timeoutSecs) and returns: None, str, str, str, str, unknown, str, str, str, unknown