text: import os
  import traceback
  from argparse import Namespace
  
  
  def mongo_start(configs: Namespace):
      """
      Start mongoDB service
  
      Parameters
      ----------
      :param configs: configuration parameters
      """
      if configs.password:
          try:
              command = 'sudo service mongod start'
              p = os.system('echo %s | sudo -S %s' % (configs.password, command))
              return p
          except:
              print(traceback.format_exc())
  
  
  def mongo_shutdown(configs: Namespace):
      """
      Shutdown mongoDB service
  
      Parameters
      ----------
      :param configs: configuration parameters
      """
      if configs.password:
          try:
              command = 'sudo service mongod stop'
              p = os.system('echo %s | sudo -S %s' % (configs.password, command))
              return p
          except:
              print(traceback.format_exc())
  