75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2013 AT&T Labs Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""logging handler, it allows setting of formatting information through conf
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"""
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import logging
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import os
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from oslo.config import cfg
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log_opts = [
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cfg.StrOpt('log_formatter',
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default=logging.Formatter('%(asctime)s - %(name)s - '
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'%(levelname)s - %(threadName)s - '
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'%(message)s'),
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help='log formatter'),
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cfg.StrOpt('log_dir',
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default=None,
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help='path of log file'),
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cfg.StrOpt('log_file',
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default=None,
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help='name of log file'),
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cfg.StrOpt('log_level',
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default='info',
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help='default logging level'),
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]
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CONF = cfg.CONF
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CONF.register_cli_opts(log_opts)
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LOG_LEVELS = {
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'debug': logging.DEBUG,
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'info': logging.INFO,
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'warning': logging.WARNING,
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'error': logging.ERROR,
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'critical': logging.CRITICAL,
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}
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def setup(product_name):
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"""setup logger and its handlers"""
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LOG = logging.getLogger(product_name)
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log_level = LOG_LEVELS[CONF.log_level]
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LOG.setLevel(log_level)
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## console logging
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console_handler = logging.StreamHandler()
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console_handler.setLevel(log_level)
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console_handler.setFormatter(CONF.log_formatter)
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LOG.addHandler(console_handler)
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## file logging
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if CONF.log_dir is not None and CONF.log_file is not None:
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if not os.path.exists(CONF.log_dir):
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os.makedirs(CONF.log_dir)
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file_handler = logging.FileHandler(os.path.join(CONF.log_dir,
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CONF.log_file))
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file_handler.setLevel(log_level)
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file_handler.setFormatter(CONF.log_formatter)
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LOG.addHandler(file_handler)
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