Files
oslo.log/oslo_log/_options.py
Ronald Bradford 185c10a36b Improve documentataion of Oslo Log Usage
Added examples to explain how to implement Oslo Logging
and to show how it interacts with Oslo Config and i18n.

Revised configuration option help (and order) to provide a better
documented Configuration Options page

Change-Id: Idf4a8788f887ba07fe1b3604e06b165366b2c808
2016-01-11 17:46:39 +00:00

189 lines
8.6 KiB
Python

# 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.
import copy
from oslo_config import cfg
from oslo_log import versionutils
_DEFAULT_LOG_DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
DEFAULT_LOG_LEVELS = ['amqp=WARN', 'amqplib=WARN', 'boto=WARN',
'qpid=WARN', 'sqlalchemy=WARN', 'suds=INFO',
'oslo.messaging=INFO', 'iso8601=WARN',
'requests.packages.urllib3.connectionpool=WARN',
'urllib3.connectionpool=WARN', 'websocket=WARN',
'requests.packages.urllib3.util.retry=WARN',
'urllib3.util.retry=WARN',
'keystonemiddleware=WARN', 'routes.middleware=WARN',
'stevedore=WARN', 'taskflow=WARN',
'keystoneauth=WARN']
_IGNORE_MESSAGE = "This option is ignored if log_config_append is set."
common_cli_opts = [
cfg.BoolOpt('debug',
short='d',
default=False,
help='If set to true, the logging level will be set to '
'DEBUG instead of the default INFO level.'),
cfg.BoolOpt('verbose',
short='v',
default=True,
help='If set to false, the logging level will be set to '
'WARNING instead of the default INFO level.',
deprecated_for_removal=True),
]
logging_cli_opts = [
cfg.StrOpt('log-config-append',
metavar='PATH',
deprecated_name='log-config',
help='The name of a logging configuration file. This file '
'is appended to any existing logging configuration '
'files. For details about logging configuration files, '
'see the Python logging module documentation. Note that '
'when logging configuration files are used all '
'logging configuration is defined in the configuration '
'file and other logging configuration options are ignored '
'(for example, log_format).'),
cfg.StrOpt('log-format',
metavar='FORMAT',
help='DEPRECATED. '
'A logging.Formatter log message format string which may '
'use any of the available logging.LogRecord attributes. '
'This option is deprecated. Please use '
'logging_context_format_string and '
'logging_default_format_string instead. This option is '
'ignored if log_config_append is set.'),
cfg.StrOpt('log-date-format',
default=_DEFAULT_LOG_DATE_FORMAT,
metavar='DATE_FORMAT',
help='Defines the format string for %%(asctime)s in log '
'records. Default: %(default)s . '
+ _IGNORE_MESSAGE),
cfg.StrOpt('log-file',
metavar='PATH',
deprecated_name='logfile',
help='(Optional) Name of log file to send logging output to. '
'If no default is set, logging will go to stderr as '
'defined by use_stderr. '
+ _IGNORE_MESSAGE),
cfg.StrOpt('log-dir',
deprecated_name='logdir',
help='(Optional) The base directory used for relative log_file '
' paths. '
+ _IGNORE_MESSAGE),
cfg.BoolOpt('watch-log-file',
default=False,
help='Uses logging handler designed to watch file '
'system. When log file is moved or removed this handler '
'will open a new log file with specified path '
'instantaneously. It makes sense only if log_file option '
'is specified and Linux platform is used. '
+ _IGNORE_MESSAGE),
cfg.BoolOpt('use-syslog',
default=False,
help='Use syslog for logging. '
'Existing syslog format is DEPRECATED '
'and will be changed later to honor RFC5424. '
+ _IGNORE_MESSAGE),
cfg.BoolOpt('use-syslog-rfc-format',
default=True,
deprecated_for_removal=True,
help='Enables or disables syslog rfc5424 format '
'for logging. If enabled, prefixes the MSG part of the '
'syslog message with APP-NAME (RFC5424). The '
'format without the APP-NAME is deprecated in Kilo, '
'and will be removed in Mitaka, along with this option. '
+ _IGNORE_MESSAGE),
cfg.StrOpt('syslog-log-facility',
default='LOG_USER',
help='Syslog facility to receive log lines. '
+ _IGNORE_MESSAGE),
]
generic_log_opts = [
cfg.BoolOpt('use_stderr',
default=True,
help='Log output to standard error. '
+ _IGNORE_MESSAGE),
]
log_opts = [
cfg.StrOpt('logging_context_format_string',
default='%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
'%(name)s [%(request_id)s %(user_identity)s] '
'%(instance)s%(message)s',
help='Format string to use for log messages with context.'),
cfg.StrOpt('logging_default_format_string',
default='%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
'%(name)s [-] %(instance)s%(message)s',
help='Format string to use for log messages when context is '
'undefined.'),
cfg.StrOpt('logging_debug_format_suffix',
default='%(funcName)s %(pathname)s:%(lineno)d',
help='Additional data to append to log message when logging '
'level for the message is DEBUG.'),
cfg.StrOpt('logging_exception_prefix',
default='%(asctime)s.%(msecs)03d %(process)d ERROR %(name)s '
'%(instance)s',
help='Prefix each line of exception output with this format.'),
cfg.StrOpt('logging_user_identity_format',
default='%(user)s %(tenant)s '
'%(domain)s %(user_domain)s %(project_domain)s',
help='Defines the format string for %(user_identity)s that '
'is used in logging_context_format_string.'),
cfg.ListOpt('default_log_levels',
default=DEFAULT_LOG_LEVELS,
help='List of package logging levels in logger=LEVEL pairs. '
+ _IGNORE_MESSAGE),
cfg.BoolOpt('publish_errors',
default=False,
help='Enables or disables publication of error events.'),
# NOTE(mikal): there are two options here because sometimes we are handed
# a full instance (and could include more information), and other times we
# are just handed a UUID for the instance.
cfg.StrOpt('instance_format',
default='[instance: %(uuid)s] ',
help='The format for an instance that is passed with the log '
'message.'),
cfg.StrOpt('instance_uuid_format',
default='[instance: %(uuid)s] ',
help='The format for an instance UUID that is passed with the '
'log message.'),
]
def list_opts():
"""Returns a list of oslo.config options available in the library.
The returned list includes all oslo.config options which may be registered
at runtime by the library.
Each element of the list is a tuple. The first element is the name of the
group under which the list of elements in the second element will be
registered. A group name of None corresponds to the [DEFAULT] group in
config files.
The purpose of this is to allow tools like the Oslo sample config file
generator (oslo-config-generator) to discover the options exposed to users
by this library.
:returns: a list of (group_name, opts) tuples
"""
return [(None, copy.deepcopy(common_cli_opts + logging_cli_opts +
generic_log_opts + log_opts +
versionutils.deprecated_opts))]