launch.py 文件源码

def main():
    try:
        config.parse_args(get_properly_ordered_parameters())
        print_server_info()

        logging.setup(CONF, 'Qinling')

        # Initialize RPC configuration.
        rpc.get_transport()

        if cfg.CONF.server == ['all']:
            launch_any(LAUNCH_OPTIONS.keys())
        else:
            if set(cfg.CONF.server) - set(LAUNCH_OPTIONS.keys()):
                raise Exception('Valid options are all or any combination of '
                                ', '.join(LAUNCH_OPTIONS.keys()))

            launch_any(set(cfg.CONF.server))

    except RuntimeError as excp:
        sys.stderr.write("ERROR: %s\n" % excp)
        sys.exit(1)