old_contents: __author__ = 'magus0219'
  
  import logging
  
  import pymongo
  import copy
  
  from config import SERVER_CONFIG as _SERVER_CFG
  
  
  logger_server = logging.getLogger("DeployServer")
  
  try:
      mongodb_client = pymongo.MongoClient(host=_SERVER_CFG["MONGO_HOST"], port=_SERVER_CFG["MONGO_PORT"])
      # mongodb_client['admin'].authenticate(_SERVER_CFG["MONGO_USER"], _SERVER_CFG["MONGO_PWD"])
  except Exception as e:
      logger_server.info("MongoDB cannot connect, Please check...")
  
  
  def serialize_status(status):
      """Rewrite custom object in status dictionary to string for writing to mongo db
  
      :param status: dictionary of status
      :return:
      """
      copy_status = copy.deepcopy(status)
      copy_status['task_running'] = repr(copy_status['task_running'])
      for i in range(len(copy_status['task_waiting'])):
          copy_status['task_waiting'][i] = repr(copy_status['task_waiting'][i])
  
      for i in range(len(copy_status['last_tags'])):
          copy_status['last_tags'][i] = repr(copy_status['last_tags'][i])
  
      copy_status['last_commit_tag'] = repr(copy_status['last_commit_tag'])
  
      return copy_status
new_contents: __author__ = 'magus0219'
  
  import logging
  
  import pymongo
  import copy
  
  from config import SERVER_CONFIG as _SERVER_CFG
  
  
  logger_server = logging.getLogger("DeployServer")
  
  try:
      mongodb_client = pymongo.MongoClient(host=_SERVER_CFG["MONGO_HOST"], port=_SERVER_CFG["MONGO_PORT"])
      mongodb_client['deployment'].authenticate(_SERVER_CFG["MONGO_USER"], _SERVER_CFG["MONGO_PWD"])
  except Exception as e:
      logger_server.info("MongoDB cannot connect, Please check...")
  
  
  def serialize_status(status):
      """Rewrite custom object in status dictionary to string for writing to mongo db
  
      :param status: dictionary of status
      :return:
      """
      copy_status = copy.deepcopy(status)
      copy_status['task_running'] = repr(copy_status['task_running'])
      for i in range(len(copy_status['task_waiting'])):
          copy_status['task_waiting'][i] = repr(copy_status['task_waiting'][i])
  
      for i in range(len(copy_status['last_tags'])):
          copy_status['last_tags'][i] = repr(copy_status['last_tags'][i])
  
      copy_status['last_commit_tag'] = repr(copy_status['last_commit_tag'])
  
      return copy_status
subject: add mongo auth