7b1d0eb9d6
no functional changes are intended. Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
|
|
# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
|
|
#
|
|
# 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.
|
|
|
|
from __future__ import print_function
|
|
from ryu import cfg
|
|
import inspect
|
|
import platform
|
|
import logging
|
|
import logging.config
|
|
import logging.handlers
|
|
import os
|
|
import sys
|
|
import ConfigParser
|
|
|
|
|
|
CONF = cfg.CONF
|
|
|
|
CONF.register_cli_opts([
|
|
cfg.IntOpt('default-log-level', default=None, help='default log level'),
|
|
cfg.BoolOpt('verbose', default=False, help='show debug output'),
|
|
cfg.BoolOpt('use-stderr', default=True, help='log to standard error'),
|
|
cfg.BoolOpt('use-syslog', default=False, help='output to syslog'),
|
|
cfg.StrOpt('log-dir', default=None, help='log file directory'),
|
|
cfg.StrOpt('log-file', default=None, help='log file name'),
|
|
cfg.StrOpt('log-file-mode', default='0644',
|
|
help='default log file permission'),
|
|
cfg.StrOpt('log-config-file', default=None,
|
|
help='Path to a logging config file to use')
|
|
])
|
|
|
|
|
|
_EARLY_LOG_HANDLER = None
|
|
|
|
|
|
def early_init_log(level=None):
|
|
global _EARLY_LOG_HANDLER
|
|
_EARLY_LOG_HANDLER = logging.StreamHandler(sys.stderr)
|
|
|
|
log = logging.getLogger()
|
|
log.addHandler(_EARLY_LOG_HANDLER)
|
|
if level is not None:
|
|
log.setLevel(level)
|
|
|
|
|
|
def _get_log_file():
|
|
if CONF.log_file:
|
|
return CONF.log_file
|
|
if CONF.log_dir:
|
|
return os.path.join(CONF.log_dir,
|
|
os.path.basename(inspect.stack()[-1][1])) + '.log'
|
|
return None
|
|
|
|
|
|
def init_log():
|
|
global _EARLY_LOG_HANDLER
|
|
|
|
log = logging.getLogger()
|
|
|
|
if CONF.log_config_file:
|
|
try:
|
|
logging.config.fileConfig(CONF.log_config_file,
|
|
disable_existing_loggers=True)
|
|
except ConfigParser.Error as e:
|
|
print('Failed to parse %s: %s' % (CONF.log_config_file, e),
|
|
file=sys.stderr)
|
|
sys.exit(2)
|
|
return
|
|
|
|
if CONF.use_stderr:
|
|
log.addHandler(logging.StreamHandler(sys.stderr))
|
|
if _EARLY_LOG_HANDLER is not None:
|
|
log.removeHandler(_EARLY_LOG_HANDLER)
|
|
_EARLY_LOG_HANDLER = None
|
|
|
|
if CONF.use_syslog:
|
|
if platform.system() == 'Darwin':
|
|
address = '/var/run/syslog'
|
|
else:
|
|
address = '/dev/log'
|
|
syslog = logging.handlers.SysLogHandler(address=address)
|
|
log.addHandler(syslog)
|
|
|
|
log_file = _get_log_file()
|
|
if log_file is not None:
|
|
log.addHandler(logging.handlers.WatchedFileHandler(log_file))
|
|
mode = int(CONF.log_file_mode, 8)
|
|
os.chmod(log_file, mode)
|
|
|
|
if CONF.default_log_level is not None:
|
|
log.setLevel(CONF.default_log_level)
|
|
elif CONF.verbose:
|
|
log.setLevel(logging.DEBUG)
|
|
else:
|
|
log.setLevel(logging.INFO)
|