Source code for faucet.check_faucet_config

#!/usr/bin/env python

"""Standalone script to check FAUCET configuration, return 0 if provided config OK."""

# Copyright (C) 2015 Brad Cowie, Christopher Lorier and Joe Stringer.
# Copyright (C) 2015 Research and Education Advanced Network New Zealand Ltd.
# Copyright (C) 2015--2017 The Contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging
import sys

from faucet import valve
from faucet.config_parser import dp_parser
from faucet.conf import InvalidConfigError


[docs]def check_config(conf_files, debug_level=logging.DEBUG): """Return True and successful config dict, if all config can be parsed.""" logname = '/dev/null' logger = logging.getLogger('%s.config' % logname) logger_handler = logging.StreamHandler(stream=sys.stderr) logger.addHandler(logger_handler) logger.propagate = 0 logger.setLevel(debug_level) check_output = '' check_result = False for conf_file in conf_files: try: parse_result = dp_parser(conf_file, logname) if parse_result is None: break _, dps = parse_result if dps is None: break for dp in dps: valve_dp = valve.valve_factory(dp) if valve_dp is None: check_result = False break check_output = dp.to_conf() check_result = True except InvalidConfigError as config_err: check_output = config_err return (check_result, check_output)
[docs]def main(): check_result, check_output = check_config(sys.argv[1:]) print(check_output) if check_result: sys.exit(0) else: sys.exit(-1)
if __name__ == '__main__': main()