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"""run as server: python -m policyhandler/policy_handler"""
# org.onap.dcae
# ================================================================================
# Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
import sys
import logging
from policyhandler.config import Config
from policyhandler.onap.audit import Audit
from policyhandler.web_server import PolicyWeb
from policyhandler.policy_engine import PolicyEngineClient
class LogWriter(object):
"""redirect the standard out + err to the logger"""
def __init__(self, logger_func):
self.logger_func = logger_func
def write(self, log_line):
"""actual writer to be used in place of stdout or stderr"""
log_line = log_line.rstrip()
if log_line:
self.logger_func(log_line)
def flush(self):
"""no real flushing of the buffer"""
pass
def run_policy_handler():
"""main run function for policy-handler"""
Config.load_from_file()
Config.discover()
logger = logging.getLogger("policy_handler")
sys.stdout = LogWriter(logger.info)
sys.stderr = LogWriter(logger.error)
logger.info("========== run_policy_handler ==========")
Audit.init(Config.get_system_name(), Config.LOGGER_CONFIG_FILE_PATH)
logger.info("starting policy_handler with config:")
logger.info(Audit.log_json_dumps(Config.config))
PolicyEngineClient.run()
PolicyWeb.run()
def upload_config_to_discovery():
"""read the config from file and upload it to discovery"""
logger = logging.getLogger("policy_handler")
sys.stdout = LogWriter(logger.info)
sys.stderr = LogWriter(logger.error)
Config.load_from_file()
if not Config.load_from_file(Config.UPLOAD_CONFIG_FILE_PATH):
logger.info("not found config %s", Config.UPLOAD_CONFIG_FILE_PATH)
return
logger.info("========== upload_config_to_discovery ==========")
Config.upload_to_discovery()
logger.info("========== upload_config_to_discovery - get it back ==========")
Config.config = None
Config.load_from_file()
Config.discover()
logger.info("========== upload_config_to_discovery - done ==========")
return True
if __name__ == "__main__":
if not upload_config_to_discovery():
run_policy_handler()
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