86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
# Copyright (c) 2016 OpenStack Foundation
|
|
#
|
|
# 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.
|
|
|
|
"""A usage example of Oslo Logging with context
|
|
|
|
This example requires the following package to be installed.
|
|
|
|
$ pip install oslo.log
|
|
|
|
Additional Oslo packages installed include oslo.config, oslo.context,
|
|
oslo.i18n, oslo.serialization and oslo.utils.
|
|
|
|
More information about Oslo Logging can be found at:
|
|
|
|
http://docs.openstack.org/developer/oslo.log/usage.html
|
|
http://docs.openstack.org/developer/oslo.context/usage.html
|
|
"""
|
|
|
|
from oslo_config import cfg
|
|
from oslo_context import context
|
|
from oslo_log import log as logging
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
CONF = cfg.CONF
|
|
DOMAIN = 'demo'
|
|
|
|
|
|
def prepare():
|
|
"""Prepare Oslo Logging (2 or 3 steps)
|
|
|
|
Use of Oslo Logging involves the following:
|
|
|
|
* logging.register_options
|
|
* logging.set_defaults (optional)
|
|
* logging.setup
|
|
"""
|
|
|
|
# Required step to register common, logging and generic configuration
|
|
# variables
|
|
logging.register_options(CONF)
|
|
|
|
# Optional step to set new defaults if necessary for
|
|
# * logging_context_format_string
|
|
# * default_log_levels
|
|
#
|
|
# These variables default to respectively:
|
|
#
|
|
# import oslo_log
|
|
# oslo_log._options.DEFAULT_LOG_LEVELS
|
|
# oslo_log._options.log_opts[0].default
|
|
#
|
|
|
|
extra_log_level_defaults = [
|
|
'dogpile=INFO',
|
|
'routes=INFO'
|
|
]
|
|
|
|
logging.set_defaults(
|
|
default_log_levels=logging.get_default_log_levels() +
|
|
extra_log_level_defaults)
|
|
|
|
# Required setup based on configuration and domain
|
|
logging.setup(CONF, DOMAIN)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
prepare()
|
|
|
|
LOG.info("Welcome to Oslo Logging")
|
|
LOG.info("Without context")
|
|
context.RequestContext(user='6ce90b4d',
|
|
tenant='d6134462',
|
|
domain='a6b9360e')
|
|
LOG.info("With context")
|