code: def exit_on_error(self, message, exit_code=1):
          # pylint: disable=no-self-use
          
          log = "I got an unrecoverable error. I have to exit."
          if message:
              log += "\n-----\nError message: %s" % message
              print("Error message: %s" % message)
          log += "-----\n"
          log += "You can get help at https://github.com/Alignak-monitoring/alignak\n"
          log += "If you think this is a bug, create a new issue including as much " \
                 "details as possible (version, configuration,...)"
          if exit_code is not None:
              exit(exit_code)
docs: Log generic message when getting an error and exit
  
          :param exit_code: if not None, exit with the provided value as exit code
          :type exit_code: int
          :param message: message for the exit reason
          :type message: str
          :return: None