synergy-service/synergy/common/log.py

74 lines
2.0 KiB
Python

import logging
import logging.handlers
import os
try:
from oslo_config import cfg
except ImportError:
from oslo.config import cfg
__author__ = "Lisa Zangrando"
__email__ = "lisa.zangrando[AT]pd.infn.it"
__copyright__ = """Copyright (c) 2015 INFN - INDIGO-DataCloud
All Rights Reserved
Licensed under the Apache License, Version 2.0;
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."""
CONF = cfg.CONF
loggers = {}
def getLogger(name="unknown"):
global loggers
if loggers.get(name):
return loggers.get(name)
else:
logger = logging.getLogger(name)
if CONF.Logger.level == "DEBUG":
logger.setLevel(logging.DEBUG)
elif CONF.Logger.level == "INFO":
logger.setLevel(logging.INFO)
elif CONF.Logger.level == "WARNING":
logger.setLevel(logging.WARNING)
elif CONF.Logger.level == "ERROR":
logger.setLevel(logging.ERROR)
elif CONF.Logger.level == "CRITICAL":
logger.setLevel(logging.CRITICAL)
else:
logger.setLevel(logging.INFO)
# create a logging format
formatter = logging.Formatter(CONF.Logger.formatter)
log_dir = os.path.dirname(CONF.Logger.filename)
if not os.path.exists(log_dir):
os.makedirs(log_dir)
# Add the log message handler to the logger
handler = logging.handlers.RotatingFileHandler(
CONF.Logger.filename,
maxBytes=CONF.Logger.maxBytes,
backupCount=CONF.Logger.backupCount)
handler.setFormatter(formatter)
logger.addHandler(handler)
loggers[name] = logger
return logger