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# -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket Ltd
#
# 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 ._base import Config
from synapse.util.logcontext import LoggingContextFilter
from twisted.python.log import PythonLoggingObserver
import logging
import logging.config
import yaml
class LoggingConfig(Config):
def read_config(self, config):
self.verbosity = config.get("verbose", 0)
self.log_config = self.abspath(config.get("log_config"))
self.log_file = self.abspath(config.get("log_file"))
def default_config(self, config_dir_path, server_name):
log_file = self.abspath("homeserver.log")
return """
# Logging verbosity level.
verbose: 0
# File to write logging to
log_file: "%(log_file)s"
# A yaml python logging config file
#log_config: "your.log.config.yaml"
""" % locals()
def read_arguments(self, args):
if args.verbose is not None:
self.verbosity = args.verbose
if args.log_config is not None:
self.log_config = args.log_config
if args.log_file is not None:
self.log_file = args.log_file
def add_arguments(cls, parser):
logging_group = parser.add_argument_group("logging")
logging_group.add_argument(
'-v', '--verbose', dest="verbose", action='count',
help="The verbosity level."
)
logging_group.add_argument(
'-f', '--log-file', dest="log_file",
help="File to log to."
)
logging_group.add_argument(
'--log-config', dest="log_config", default=None,
help="Python logging config file"
)
def setup_logging(self):
log_format = (
"%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s"
" - %(message)s"
)
if self.log_config is None:
level = logging.INFO
level_for_storage = logging.INFO
if self.verbosity:
level = logging.DEBUG
if self.verbosity > 1:
level_for_storage = logging.DEBUG
# FIXME: we need a logging.WARN for a -q quiet option
logger = logging.getLogger('')
logger.setLevel(level)
logging.getLogger('synapse.storage').setLevel(level_for_storage)
formatter = logging.Formatter(log_format)
if self.log_file:
# TODO: Customisable file size / backup count
handler = logging.handlers.RotatingFileHandler(
self.log_file, maxBytes=(1000 * 1000 * 100), backupCount=3
)
else:
handler = logging.StreamHandler()
handler.setFormatter(formatter)
handler.addFilter(LoggingContextFilter(request=""))
logger.addHandler(handler)
else:
with open(self.log_config, 'r') as f:
logging.config.dictConfig(yaml.load(f))
observer = PythonLoggingObserver()
observer.start()
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