ee537e33de
The common RPC code has been updated to include the following:
8575d87af49ea276341908f83c8c51db13afca44
8b2b0b743e84ceed7841cf470afed6a5da8e1d07
23f602940c64ba408d77ceb8f5ba0f67ee4a18ef
6d0a6c3083218cdac52758a8b6aac6b03402c658
7cac1ac1bd9df36d4e5183afac3b643df10b1d4d
8159efddabb09dd9b7c99963ff7c9de0a6c62b62
Updated to include the following in modules in openstack-common.conf:
py3kcompat, sslutils, and versionutils.
The update also includes imports from the RPC code
Change-Id: I84c5b8e2b17da0018dd69ecb354d123a609afe98
627 lines
22 KiB
Python
627 lines
22 KiB
Python
# Copyright 2011 OpenStack Foundation.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# 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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"""Openstack logging handler.
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This module adds to logging functionality by adding the option to specify
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a context object when calling the various log methods. If the context object
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is not specified, default formatting is used. Additionally, an instance uuid
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may be passed as part of the log message, which is intended to make it easier
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for admins to find messages related to a specific instance.
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It also allows setting of formatting information through conf.
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"""
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import inspect
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import itertools
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import logging
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import logging.config
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import logging.handlers
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import os
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import re
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import sys
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import traceback
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from oslo.config import cfg
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import six
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from six import moves
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from neutron.openstack.common.gettextutils import _
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from neutron.openstack.common import importutils
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from neutron.openstack.common import jsonutils
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from neutron.openstack.common import local
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_DEFAULT_LOG_DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
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_SANITIZE_KEYS = ['adminPass', 'admin_pass', 'password', 'admin_password']
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# NOTE(ldbragst): Let's build a list of regex objects using the list of
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# _SANITIZE_KEYS we already have. This way, we only have to add the new key
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# to the list of _SANITIZE_KEYS and we can generate regular expressions
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# for XML and JSON automatically.
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_SANITIZE_PATTERNS = []
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_FORMAT_PATTERNS = [r'(%(key)s\s*[=]\s*[\"\']).*?([\"\'])',
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r'(<%(key)s>).*?(</%(key)s>)',
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r'([\"\']%(key)s[\"\']\s*:\s*[\"\']).*?([\"\'])',
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r'([\'"].*?%(key)s[\'"]\s*:\s*u?[\'"]).*?([\'"])']
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for key in _SANITIZE_KEYS:
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for pattern in _FORMAT_PATTERNS:
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reg_ex = re.compile(pattern % {'key': key}, re.DOTALL)
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_SANITIZE_PATTERNS.append(reg_ex)
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common_cli_opts = [
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cfg.BoolOpt('debug',
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short='d',
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default=False,
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help='Print debugging output (set logging level to '
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'DEBUG instead of default WARNING level).'),
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cfg.BoolOpt('verbose',
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short='v',
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default=False,
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help='Print more verbose output (set logging level to '
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'INFO instead of default WARNING level).'),
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]
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logging_cli_opts = [
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cfg.StrOpt('log-config-append',
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metavar='PATH',
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deprecated_name='log-config',
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help='The name of logging configuration file. It does not '
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'disable existing loggers, but just appends specified '
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'logging configuration to any other existing logging '
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'options. Please see the Python logging module '
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'documentation for details on logging configuration '
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'files.'),
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cfg.StrOpt('log-format',
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default=None,
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metavar='FORMAT',
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help='DEPRECATED. '
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'A logging.Formatter log message format string which may '
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'use any of the available logging.LogRecord attributes. '
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'This option is deprecated. Please use '
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'logging_context_format_string and '
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'logging_default_format_string instead.'),
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cfg.StrOpt('log-date-format',
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default=_DEFAULT_LOG_DATE_FORMAT,
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metavar='DATE_FORMAT',
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help='Format string for %%(asctime)s in log records. '
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'Default: %(default)s'),
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cfg.StrOpt('log-file',
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metavar='PATH',
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deprecated_name='logfile',
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help='(Optional) Name of log file to output to. '
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'If no default is set, logging will go to stdout.'),
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cfg.StrOpt('log-dir',
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deprecated_name='logdir',
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help='(Optional) The base directory used for relative '
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'--log-file paths'),
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cfg.BoolOpt('use-syslog',
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default=False,
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help='Use syslog for logging.'),
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cfg.StrOpt('syslog-log-facility',
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default='LOG_USER',
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help='syslog facility to receive log lines')
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]
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generic_log_opts = [
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cfg.BoolOpt('use_stderr',
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default=True,
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help='Log output to standard error')
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]
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log_opts = [
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cfg.StrOpt('logging_context_format_string',
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default='%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
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'%(name)s [%(request_id)s %(user_identity)s] '
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'%(instance)s%(message)s',
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help='format string to use for log messages with context'),
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cfg.StrOpt('logging_default_format_string',
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default='%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
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'%(name)s [-] %(instance)s%(message)s',
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help='format string to use for log messages without context'),
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cfg.StrOpt('logging_debug_format_suffix',
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default='%(funcName)s %(pathname)s:%(lineno)d',
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help='data to append to log format when level is DEBUG'),
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cfg.StrOpt('logging_exception_prefix',
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default='%(asctime)s.%(msecs)03d %(process)d TRACE %(name)s '
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'%(instance)s',
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help='prefix each line of exception output with this format'),
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cfg.ListOpt('default_log_levels',
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default=[
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'amqp=WARN',
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'amqplib=WARN',
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'boto=WARN',
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'qpid=WARN',
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'sqlalchemy=WARN',
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'suds=INFO',
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'iso8601=WARN',
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],
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help='list of logger=LEVEL pairs'),
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cfg.BoolOpt('publish_errors',
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default=False,
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help='publish error events'),
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cfg.BoolOpt('fatal_deprecations',
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default=False,
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help='make deprecations fatal'),
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# NOTE(mikal): there are two options here because sometimes we are handed
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# a full instance (and could include more information), and other times we
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# are just handed a UUID for the instance.
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cfg.StrOpt('instance_format',
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default='[instance: %(uuid)s] ',
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help='If an instance is passed with the log message, format '
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'it like this'),
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cfg.StrOpt('instance_uuid_format',
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default='[instance: %(uuid)s] ',
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help='If an instance UUID is passed with the log message, '
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'format it like this'),
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]
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CONF = cfg.CONF
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CONF.register_cli_opts(common_cli_opts)
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CONF.register_cli_opts(logging_cli_opts)
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CONF.register_opts(generic_log_opts)
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CONF.register_opts(log_opts)
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# our new audit level
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# NOTE(jkoelker) Since we synthesized an audit level, make the logging
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# module aware of it so it acts like other levels.
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logging.AUDIT = logging.INFO + 1
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logging.addLevelName(logging.AUDIT, 'AUDIT')
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try:
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NullHandler = logging.NullHandler
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except AttributeError: # NOTE(jkoelker) NullHandler added in Python 2.7
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class NullHandler(logging.Handler):
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def handle(self, record):
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pass
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def emit(self, record):
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pass
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def createLock(self):
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self.lock = None
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def _dictify_context(context):
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if context is None:
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return None
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if not isinstance(context, dict) and getattr(context, 'to_dict', None):
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context = context.to_dict()
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return context
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def _get_binary_name():
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return os.path.basename(inspect.stack()[-1][1])
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def _get_log_file_path(binary=None):
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logfile = CONF.log_file
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logdir = CONF.log_dir
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if logfile and not logdir:
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return logfile
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if logfile and logdir:
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return os.path.join(logdir, logfile)
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if logdir:
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binary = binary or _get_binary_name()
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return '%s.log' % (os.path.join(logdir, binary),)
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return None
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def mask_password(message, secret="***"):
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"""Replace password with 'secret' in message.
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:param message: The string which includes security information.
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:param secret: value with which to replace passwords.
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:returns: The unicode value of message with the password fields masked.
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For example:
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>>> mask_password("'adminPass' : 'aaaaa'")
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"'adminPass' : '***'"
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>>> mask_password("'admin_pass' : 'aaaaa'")
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"'admin_pass' : '***'"
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>>> mask_password('"password" : "aaaaa"')
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'"password" : "***"'
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>>> mask_password("'original_password' : 'aaaaa'")
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"'original_password' : '***'"
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>>> mask_password("u'original_password' : u'aaaaa'")
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"u'original_password' : u'***'"
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"""
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message = six.text_type(message)
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# NOTE(ldbragst): Check to see if anything in message contains any key
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# specified in _SANITIZE_KEYS, if not then just return the message since
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# we don't have to mask any passwords.
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if not any(key in message for key in _SANITIZE_KEYS):
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return message
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secret = r'\g<1>' + secret + r'\g<2>'
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for pattern in _SANITIZE_PATTERNS:
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message = re.sub(pattern, secret, message)
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return message
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class BaseLoggerAdapter(logging.LoggerAdapter):
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def audit(self, msg, *args, **kwargs):
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self.log(logging.AUDIT, msg, *args, **kwargs)
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class LazyAdapter(BaseLoggerAdapter):
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def __init__(self, name='unknown', version='unknown'):
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self._logger = None
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self.extra = {}
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self.name = name
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self.version = version
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@property
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def logger(self):
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if not self._logger:
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self._logger = getLogger(self.name, self.version)
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return self._logger
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class ContextAdapter(BaseLoggerAdapter):
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warn = logging.LoggerAdapter.warning
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def __init__(self, logger, project_name, version_string):
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self.logger = logger
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self.project = project_name
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self.version = version_string
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@property
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def handlers(self):
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return self.logger.handlers
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def deprecated(self, msg, *args, **kwargs):
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stdmsg = _("Deprecated: %s") % msg
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if CONF.fatal_deprecations:
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self.critical(stdmsg, *args, **kwargs)
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raise DeprecatedConfig(msg=stdmsg)
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else:
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self.warn(stdmsg, *args, **kwargs)
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def process(self, msg, kwargs):
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# NOTE(mrodden): catch any Message/other object and
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# coerce to unicode before they can get
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# to the python logging and possibly
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# cause string encoding trouble
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if not isinstance(msg, six.string_types):
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msg = six.text_type(msg)
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if 'extra' not in kwargs:
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kwargs['extra'] = {}
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extra = kwargs['extra']
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context = kwargs.pop('context', None)
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if not context:
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context = getattr(local.store, 'context', None)
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if context:
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extra.update(_dictify_context(context))
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instance = kwargs.pop('instance', None)
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instance_uuid = (extra.get('instance_uuid', None) or
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kwargs.pop('instance_uuid', None))
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instance_extra = ''
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if instance:
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instance_extra = CONF.instance_format % instance
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elif instance_uuid:
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instance_extra = (CONF.instance_uuid_format
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% {'uuid': instance_uuid})
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extra['instance'] = instance_extra
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extra.setdefault('user_identity', kwargs.pop('user_identity', None))
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extra['project'] = self.project
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extra['version'] = self.version
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extra['extra'] = extra.copy()
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return msg, kwargs
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class JSONFormatter(logging.Formatter):
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def __init__(self, fmt=None, datefmt=None):
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# NOTE(jkoelker) we ignore the fmt argument, but its still there
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# since logging.config.fileConfig passes it.
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self.datefmt = datefmt
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def formatException(self, ei, strip_newlines=True):
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lines = traceback.format_exception(*ei)
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if strip_newlines:
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lines = [moves.filter(
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lambda x: x,
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line.rstrip().splitlines()) for line in lines]
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lines = list(itertools.chain(*lines))
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return lines
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def format(self, record):
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message = {'message': record.getMessage(),
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'asctime': self.formatTime(record, self.datefmt),
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'name': record.name,
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'msg': record.msg,
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'args': record.args,
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'levelname': record.levelname,
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'levelno': record.levelno,
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'pathname': record.pathname,
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'filename': record.filename,
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'module': record.module,
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'lineno': record.lineno,
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'funcname': record.funcName,
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'created': record.created,
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'msecs': record.msecs,
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'relative_created': record.relativeCreated,
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'thread': record.thread,
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'thread_name': record.threadName,
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'process_name': record.processName,
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'process': record.process,
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'traceback': None}
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if hasattr(record, 'extra'):
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message['extra'] = record.extra
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if record.exc_info:
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message['traceback'] = self.formatException(record.exc_info)
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return jsonutils.dumps(message)
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def _create_logging_excepthook(product_name):
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def logging_excepthook(exc_type, value, tb):
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extra = {}
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if CONF.verbose:
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extra['exc_info'] = (exc_type, value, tb)
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getLogger(product_name).critical(str(value), **extra)
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return logging_excepthook
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class LogConfigError(Exception):
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message = _('Error loading logging config %(log_config)s: %(err_msg)s')
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def __init__(self, log_config, err_msg):
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self.log_config = log_config
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self.err_msg = err_msg
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def __str__(self):
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return self.message % dict(log_config=self.log_config,
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err_msg=self.err_msg)
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def _load_log_config(log_config_append):
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try:
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logging.config.fileConfig(log_config_append,
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disable_existing_loggers=False)
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except moves.configparser.Error as exc:
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raise LogConfigError(log_config_append, str(exc))
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def setup(product_name):
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"""Setup logging."""
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if CONF.log_config_append:
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_load_log_config(CONF.log_config_append)
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else:
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_setup_logging_from_conf()
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sys.excepthook = _create_logging_excepthook(product_name)
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def set_defaults(logging_context_format_string):
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cfg.set_defaults(log_opts,
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logging_context_format_string=
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logging_context_format_string)
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def _find_facility_from_conf():
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facility_names = logging.handlers.SysLogHandler.facility_names
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facility = getattr(logging.handlers.SysLogHandler,
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CONF.syslog_log_facility,
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None)
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if facility is None and CONF.syslog_log_facility in facility_names:
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facility = facility_names.get(CONF.syslog_log_facility)
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if facility is None:
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valid_facilities = facility_names.keys()
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consts = ['LOG_AUTH', 'LOG_AUTHPRIV', 'LOG_CRON', 'LOG_DAEMON',
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'LOG_FTP', 'LOG_KERN', 'LOG_LPR', 'LOG_MAIL', 'LOG_NEWS',
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'LOG_AUTH', 'LOG_SYSLOG', 'LOG_USER', 'LOG_UUCP',
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'LOG_LOCAL0', 'LOG_LOCAL1', 'LOG_LOCAL2', 'LOG_LOCAL3',
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'LOG_LOCAL4', 'LOG_LOCAL5', 'LOG_LOCAL6', 'LOG_LOCAL7']
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valid_facilities.extend(consts)
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raise TypeError(_('syslog facility must be one of: %s') %
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', '.join("'%s'" % fac
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for fac in valid_facilities))
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return facility
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def _setup_logging_from_conf():
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log_root = getLogger(None).logger
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for handler in log_root.handlers:
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log_root.removeHandler(handler)
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if CONF.use_syslog:
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facility = _find_facility_from_conf()
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syslog = logging.handlers.SysLogHandler(address='/dev/log',
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facility=facility)
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log_root.addHandler(syslog)
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logpath = _get_log_file_path()
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if logpath:
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filelog = logging.handlers.WatchedFileHandler(logpath)
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log_root.addHandler(filelog)
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if CONF.use_stderr:
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streamlog = ColorHandler()
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log_root.addHandler(streamlog)
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elif not logpath:
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# pass sys.stdout as a positional argument
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# python2.6 calls the argument strm, in 2.7 it's stream
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streamlog = logging.StreamHandler(sys.stdout)
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log_root.addHandler(streamlog)
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if CONF.publish_errors:
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handler = importutils.import_object(
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"neutron.openstack.common.log_handler.PublishErrorsHandler",
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logging.ERROR)
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log_root.addHandler(handler)
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datefmt = CONF.log_date_format
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for handler in log_root.handlers:
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# NOTE(alaski): CONF.log_format overrides everything currently. This
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# should be deprecated in favor of context aware formatting.
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if CONF.log_format:
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handler.setFormatter(logging.Formatter(fmt=CONF.log_format,
|
|
datefmt=datefmt))
|
|
log_root.info('Deprecated: log_format is now deprecated and will '
|
|
'be removed in the next release')
|
|
else:
|
|
handler.setFormatter(ContextFormatter(datefmt=datefmt))
|
|
|
|
if CONF.debug:
|
|
log_root.setLevel(logging.DEBUG)
|
|
elif CONF.verbose:
|
|
log_root.setLevel(logging.INFO)
|
|
else:
|
|
log_root.setLevel(logging.WARNING)
|
|
|
|
for pair in CONF.default_log_levels:
|
|
mod, _sep, level_name = pair.partition('=')
|
|
level = logging.getLevelName(level_name)
|
|
logger = logging.getLogger(mod)
|
|
logger.setLevel(level)
|
|
|
|
_loggers = {}
|
|
|
|
|
|
def getLogger(name='unknown', version='unknown'):
|
|
if name not in _loggers:
|
|
_loggers[name] = ContextAdapter(logging.getLogger(name),
|
|
name,
|
|
version)
|
|
return _loggers[name]
|
|
|
|
|
|
def getLazyLogger(name='unknown', version='unknown'):
|
|
"""Returns lazy logger.
|
|
|
|
Creates a pass-through logger that does not create the real logger
|
|
until it is really needed and delegates all calls to the real logger
|
|
once it is created.
|
|
"""
|
|
return LazyAdapter(name, version)
|
|
|
|
|
|
class WritableLogger(object):
|
|
"""A thin wrapper that responds to `write` and logs."""
|
|
|
|
def __init__(self, logger, level=logging.INFO):
|
|
self.logger = logger
|
|
self.level = level
|
|
|
|
def write(self, msg):
|
|
self.logger.log(self.level, msg)
|
|
|
|
|
|
class ContextFormatter(logging.Formatter):
|
|
"""A context.RequestContext aware formatter configured through flags.
|
|
|
|
The flags used to set format strings are: logging_context_format_string
|
|
and logging_default_format_string. You can also specify
|
|
logging_debug_format_suffix to append extra formatting if the log level is
|
|
debug.
|
|
|
|
For information about what variables are available for the formatter see:
|
|
http://docs.python.org/library/logging.html#formatter
|
|
|
|
"""
|
|
|
|
def format(self, record):
|
|
"""Uses contextstring if request_id is set, otherwise default."""
|
|
# NOTE(sdague): default the fancier formating params
|
|
# to an empty string so we don't throw an exception if
|
|
# they get used
|
|
for key in ('instance', 'color'):
|
|
if key not in record.__dict__:
|
|
record.__dict__[key] = ''
|
|
|
|
if record.__dict__.get('request_id', None):
|
|
self._fmt = CONF.logging_context_format_string
|
|
else:
|
|
self._fmt = CONF.logging_default_format_string
|
|
|
|
if (record.levelno == logging.DEBUG and
|
|
CONF.logging_debug_format_suffix):
|
|
self._fmt += " " + CONF.logging_debug_format_suffix
|
|
|
|
# Cache this on the record, Logger will respect our formated copy
|
|
if record.exc_info:
|
|
record.exc_text = self.formatException(record.exc_info, record)
|
|
return logging.Formatter.format(self, record)
|
|
|
|
def formatException(self, exc_info, record=None):
|
|
"""Format exception output with CONF.logging_exception_prefix."""
|
|
if not record:
|
|
return logging.Formatter.formatException(self, exc_info)
|
|
|
|
stringbuffer = moves.StringIO()
|
|
traceback.print_exception(exc_info[0], exc_info[1], exc_info[2],
|
|
None, stringbuffer)
|
|
lines = stringbuffer.getvalue().split('\n')
|
|
stringbuffer.close()
|
|
|
|
if CONF.logging_exception_prefix.find('%(asctime)') != -1:
|
|
record.asctime = self.formatTime(record, self.datefmt)
|
|
|
|
formatted_lines = []
|
|
for line in lines:
|
|
pl = CONF.logging_exception_prefix % record.__dict__
|
|
fl = '%s%s' % (pl, line)
|
|
formatted_lines.append(fl)
|
|
return '\n'.join(formatted_lines)
|
|
|
|
|
|
class ColorHandler(logging.StreamHandler):
|
|
LEVEL_COLORS = {
|
|
logging.DEBUG: '\033[00;32m', # GREEN
|
|
logging.INFO: '\033[00;36m', # CYAN
|
|
logging.AUDIT: '\033[01;36m', # BOLD CYAN
|
|
logging.WARN: '\033[01;33m', # BOLD YELLOW
|
|
logging.ERROR: '\033[01;31m', # BOLD RED
|
|
logging.CRITICAL: '\033[01;31m', # BOLD RED
|
|
}
|
|
|
|
def format(self, record):
|
|
record.color = self.LEVEL_COLORS[record.levelno]
|
|
return logging.StreamHandler.format(self, record)
|
|
|
|
|
|
class DeprecatedConfig(Exception):
|
|
message = _("Fatal call to deprecated config: %(msg)s")
|
|
|
|
def __init__(self, msg):
|
|
super(Exception, self).__init__(self.message % dict(msg=msg))
|