code: def exit(self, code=None, message=None, perfdata=None, extdata=None):
          
          code = UNKNOWN if code is None else int(code)
          message = "" if message is None else str(message)
          perfdata = "" if perfdata is None else str(perfdata)
          extdata = "" if extdata is None else str(extdata)
          print("{0} {1} - {2} | {3}".format(self.name.upper(),
                                             _CODES_STR[code],
                                             message, perfdata))
          if extdata:
              print(extdata)
          sys.exit(code)
docs: manual exit from the plugin
  
          arguments:
              code: exit status code
              message: a short, one-line message to display
              perfdata: perfdata, if any
              extdata: multi-line message to give more details