Source code for faucet.check_faucet_config

#!/usr/bin/env python3

"""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--2019 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 os
import pprint
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, check_output_file): """Return True and successful config dict, if all config can be parsed.""" logname = os.devnull 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 = [] if conf_files: for conf_file in conf_files: check_result = False try: _, _, dps, _ = dp_parser(conf_file, logname) if dps is not None: dps_conf = [(valve.valve_factory(dp), dp.to_conf()) for dp in dps] check_output.extend([conf for _, conf in dps_conf]) check_result = True continue except InvalidConfigError as config_err: check_output = [config_err] break else: check_result = False check_output = ["no files specified"] pprint.pprint(check_output, stream=check_output_file) return check_result
[docs] def main(): """Mainline.""" sys.exit(not check_config(sys.argv[1:], logging.DEBUG, sys.stdout))
if __name__ == "__main__": main()