def main()

in ambari-metrics-timelineservice/src/main/python/main.py [0:0]

• 41 lines of code
• 14 McCabe index (conditional complexity)

def main():
  from amc_service import init_options_parser, init_service_debug, setup, start, stop, svcstatus

  parser = init_options_parser()
  (options, args) = parser.parse_args()

  options.warnings = []
  options.exit_message = None

  init_service_debug(options)

  if len(args) == 0:
    print(parser.print_help())
    parser.error("No action entered")

  action = args[0]

  try:
    if action == SETUP_ACTION:
      setup(options)
    elif action == START_ACTION:
      start(options)
    elif action == STOP_ACTION:
      stop()
    elif action == RESTART_ACTION:
      stop()
      start(options)
    elif action == STATUS_ACTION:
      svcstatus(options)
    else:
      parser.error("Invalid action")

    if options.warnings:
      for warning in options.warnings:
        print_warning_msg(warning)
        pass
      options.exit_message = "Ambari Metrics Collector '%s' completed with warnings." % action
      pass
  except FatalException as e:
    if e.reason is not None:
      print_error_msg("Exiting with exit code {0}. \nREASON: {1}".format(e.code, e.reason))
    sys.exit(e.code)
  except NonFatalException as e:
    options.exit_message = "Ambari Metrics Collector '%s' completed with warnings." % action
    if e.reason is not None:
      print_warning_msg(e.reason)

  if options.exit_message is not None:
    print(options.exit_message)