Sync oslo.incubator modules

Update the oslo.incubator modules needed. Due to internal oslo
dependencies, strutils has been also imported.

Change-Id: I8cc1eb0003520a2d3b697c4d584c7c96aa5401d6
This commit is contained in:
Ghe Rivero 2014-08-11 22:50:16 +00:00
parent 50b8f25653
commit 46f7f11630
9 changed files with 600 additions and 244 deletions

@ -150,7 +150,7 @@ def _import_module(mod_str):
def _is_in_group(opt, group):
"Check if opt is in group."
"""Check if opt is in group."""
for value in group._opts.values():
# NOTE(llu): Temporary workaround for bug #1262148, wait until
# newly released oslo.config support '==' operator.
@ -159,7 +159,7 @@ def _is_in_group(opt, group):
return False
def _guess_groups(opt, mod_obj):
def _guess_groups(opt):
# is it in the DEFAULT group?
if _is_in_group(opt, cfg.CONF):
return 'DEFAULT'
@ -193,7 +193,7 @@ def _list_opts(obj):
ret = {}
for opt in opts:
ret.setdefault(_guess_groups(opt, obj), []).append(opt)
ret.setdefault(_guess_groups(opt), []).append(opt)
return ret.items()
@ -223,6 +223,8 @@ def _get_my_ip():
def _sanitize_default(name, value):
"""Set up a reasonably sensible default for pybasedir, my_ip and host."""
hostname = socket.gethostname()
fqdn = socket.getfqdn()
if value.startswith(sys.prefix):
# NOTE(jd) Don't use os.path.join, because it is likely to think the
# second part is an absolute pathname and therefore drop the first
@ -234,8 +236,13 @@ def _sanitize_default(name, value):
return value.replace(BASEDIR, '')
elif value == _get_my_ip():
return '10.0.0.1'
elif value in (socket.gethostname(), socket.getfqdn()) and 'host' in name:
return 'ironic_python_agent'
elif value in (hostname, fqdn):
if 'host' in name:
return 'ironic_python_agent'
elif value.endswith(hostname):
return value.replace(hostname, 'ironic_python_agent')
elif value.endswith(fqdn):
return value.replace(fqdn, 'ironic_python_agent')
elif value.strip() != value:
return '"%s"' % value
return value
@ -246,7 +253,6 @@ def _print_opt(opt):
if not opt_help:
sys.stderr.write('WARNING: "%s" is missing help string.\n' % opt_name)
opt_help = ""
opt_type = None
try:
opt_type = OPTION_REGEX.search(str(type(opt))).group(0)
except (ValueError, AttributeError) as err:

@ -23,7 +23,6 @@ Usual usage in an openstack.common module:
"""
import copy
import functools
import gettext
import locale
from logging import handlers
@ -32,24 +31,115 @@ import os
from babel import localedata
import six
_localedir = os.environ.get('ironic_python_agent'.upper() + '_LOCALEDIR')
_t = gettext.translation('ironic_python_agent', localedir=_localedir, fallback=True)
# We use separate translation catalogs for each log level, so set up a
# mapping between the log level name and the translator. The domain
# for the log level is project_name + "-log-" + log_level so messages
# for each level end up in their own catalog.
_t_log_levels = dict(
(level, gettext.translation('ironic_python_agent' + '-log-' + level,
localedir=_localedir,
fallback=True))
for level in ['info', 'warning', 'error', 'critical']
)
_AVAILABLE_LANGUAGES = {}
# FIXME(dhellmann): Remove this when moving to oslo.i18n.
USE_LAZY = False
class TranslatorFactory(object):
"""Create translator functions
"""
def __init__(self, domain, localedir=None):
"""Establish a set of translation functions for the domain.
:param domain: Name of translation domain,
specifying a message catalog.
:type domain: str
:param lazy: Delays translation until a message is emitted.
Defaults to False.
:type lazy: Boolean
:param localedir: Directory with translation catalogs.
:type localedir: str
"""
self.domain = domain
if localedir is None:
localedir = os.environ.get(domain.upper() + '_LOCALEDIR')
self.localedir = localedir
def _make_translation_func(self, domain=None):
"""Return a new translation function ready for use.
Takes into account whether or not lazy translation is being
done.
The domain can be specified to override the default from the
factory, but the localedir from the factory is always used
because we assume the log-level translation catalogs are
installed in the same directory as the main application
catalog.
"""
if domain is None:
domain = self.domain
t = gettext.translation(domain,
localedir=self.localedir,
fallback=True)
# Use the appropriate method of the translation object based
# on the python version.
m = t.gettext if six.PY3 else t.ugettext
def f(msg):
"""oslo.i18n.gettextutils translation function."""
if USE_LAZY:
return Message(msg, domain=domain)
return m(msg)
return f
@property
def primary(self):
"The default translation function."
return self._make_translation_func()
def _make_log_translation_func(self, level):
return self._make_translation_func(self.domain + '-log-' + level)
@property
def log_info(self):
"Translate info-level log messages."
return self._make_log_translation_func('info')
@property
def log_warning(self):
"Translate warning-level log messages."
return self._make_log_translation_func('warning')
@property
def log_error(self):
"Translate error-level log messages."
return self._make_log_translation_func('error')
@property
def log_critical(self):
"Translate critical-level log messages."
return self._make_log_translation_func('critical')
# NOTE(dhellmann): When this module moves out of the incubator into
# oslo.i18n, these global variables can be moved to an integration
# module within each application.
# Create the global translation functions.
_translators = TranslatorFactory('ironic_python_agent')
# The primary translation function using the well-known name "_"
_ = _translators.primary
# Translators for log levels.
#
# The abbreviated names are meant to reflect the usual use of a short
# name like '_'. The "L" is for "log" and the other letter comes from
# the level.
_LI = _translators.log_info
_LW = _translators.log_warning
_LE = _translators.log_error
_LC = _translators.log_critical
# NOTE(dhellmann): End of globals that will move to the application's
# integration module.
def enable_lazy():
"""Convenience function for configuring _() to use lazy gettext
@ -62,38 +152,7 @@ def enable_lazy():
USE_LAZY = True
def _(msg):
if USE_LAZY:
return Message(msg, domain='ironic_python_agent')
else:
if six.PY3:
return _t.gettext(msg)
return _t.ugettext(msg)
def _log_translation(msg, level):
"""Build a single translation of a log message
"""
if USE_LAZY:
return Message(msg, domain='ironic_python_agent' + '-log-' + level)
else:
translator = _t_log_levels[level]
if six.PY3:
return translator.gettext(msg)
return translator.ugettext(msg)
# Translators for log levels.
#
# The abbreviated names are meant to reflect the usual use of a short
# name like '_'. The "L" is for "log" and the other letter comes from
# the level.
_LI = functools.partial(_log_translation, level='info')
_LW = functools.partial(_log_translation, level='warning')
_LE = functools.partial(_log_translation, level='error')
_LC = functools.partial(_log_translation, level='critical')
def install(domain, lazy=False):
def install(domain):
"""Install a _() function using the given translation domain.
Given a translation domain, install a _() function using gettext's
@ -104,43 +163,14 @@ def install(domain, lazy=False):
a translation-domain-specific environment variable (e.g.
NOVA_LOCALEDIR).
Note that to enable lazy translation, enable_lazy must be
called.
:param domain: the translation domain
:param lazy: indicates whether or not to install the lazy _() function.
The lazy _() introduces a way to do deferred translation
of messages by installing a _ that builds Message objects,
instead of strings, which can then be lazily translated into
any available locale.
"""
if lazy:
# NOTE(mrodden): Lazy gettext functionality.
#
# The following introduces a deferred way to do translations on
# messages in OpenStack. We override the standard _() function
# and % (format string) operation to build Message objects that can
# later be translated when we have more information.
def _lazy_gettext(msg):
"""Create and return a Message object.
Lazy gettext function for a given domain, it is a factory method
for a project/module to get a lazy gettext function for its own
translation domain (i.e. nova, glance, cinder, etc.)
Message encapsulates a string so that we can translate
it later when needed.
"""
return Message(msg, domain=domain)
from six import moves
moves.builtins.__dict__['_'] = _lazy_gettext
else:
localedir = '%s_LOCALEDIR' % domain.upper()
if six.PY3:
gettext.install(domain,
localedir=os.environ.get(localedir))
else:
gettext.install(domain,
localedir=os.environ.get(localedir),
unicode=True)
from six import moves
tf = TranslatorFactory(domain)
moves.builtins.__dict__['_'] = tf.primary
class Message(six.text_type):
@ -274,13 +304,14 @@ class Message(six.text_type):
def __radd__(self, other):
return self.__add__(other)
def __str__(self):
# NOTE(luisg): Logging in python 2.6 tries to str() log records,
# and it expects specifically a UnicodeError in order to proceed.
msg = _('Message objects do not support str() because they may '
'contain non-ascii characters. '
'Please use unicode() or translate() instead.')
raise UnicodeError(msg)
if six.PY2:
def __str__(self):
# NOTE(luisg): Logging in python 2.6 tries to str() log records,
# and it expects specifically a UnicodeError in order to proceed.
msg = _('Message objects do not support str() because they may '
'contain non-ascii characters. '
'Please use unicode() or translate() instead.')
raise UnicodeError(msg)
def get_available_languages(domain):
@ -323,8 +354,8 @@ def get_available_languages(domain):
'zh_Hant_HK': 'zh_HK',
'zh_Hant': 'zh_TW',
'fil': 'tl_PH'}
for (locale, alias) in six.iteritems(aliases):
if locale in language_list and alias not in language_list:
for (locale_, alias) in six.iteritems(aliases):
if locale_ in language_list and alias not in language_list:
language_list.append(alias)
_AVAILABLE_LANGUAGES[domain] = language_list

@ -24,10 +24,10 @@ import traceback
def import_class(import_str):
"""Returns a class from a string including module and class."""
mod_str, _sep, class_str = import_str.rpartition('.')
__import__(mod_str)
try:
__import__(mod_str)
return getattr(sys.modules[mod_str], class_str)
except (ValueError, AttributeError):
except AttributeError:
raise ImportError('Class %s cannot be found (%s)' %
(class_str,
traceback.format_exception(*sys.exc_info())))

@ -31,17 +31,29 @@ This module provides a few things:
'''
import codecs
import datetime
import functools
import inspect
import itertools
import json
import sys
if sys.version_info < (2, 7):
# On Python <= 2.6, json module is not C boosted, so try to use
# simplejson module if available
try:
import simplejson as json
except ImportError:
import json
else:
import json
import six
import six.moves.xmlrpc_client as xmlrpclib
from ironic_python_agent.openstack.common import gettextutils
from ironic_python_agent.openstack.common import importutils
from ironic_python_agent.openstack.common import strutils
from ironic_python_agent.openstack.common import timeutils
netaddr = importutils.try_import("netaddr")
@ -156,12 +168,16 @@ def dumps(value, default=to_primitive, **kwargs):
return json.dumps(value, default=default, **kwargs)
def loads(s):
return json.loads(s)
def dump(obj, fp, *args, **kwargs):
return json.dump(obj, fp, *args, **kwargs)
def load(s):
return json.load(s)
def loads(s, encoding='utf-8', **kwargs):
return json.loads(strutils.safe_decode(s, encoding), **kwargs)
def load(fp, encoding='utf-8', **kwargs):
return json.load(codecs.getreader(encoding)(fp), **kwargs)
try:

@ -33,7 +33,6 @@ import logging
import logging.config
import logging.handlers
import os
import re
import sys
import traceback
@ -41,31 +40,19 @@ from oslo.config import cfg
import six
from six import moves
_PY26 = sys.version_info[0:2] == (2, 6)
from ironic_python_agent.openstack.common.gettextutils import _
from ironic_python_agent.openstack.common import importutils
from ironic_python_agent.openstack.common import jsonutils
from ironic_python_agent.openstack.common import local
# NOTE(flaper87): Pls, remove when graduating this module
# from the incubator.
from ironic_python_agent.openstack.common.strutils import mask_password # noqa
_DEFAULT_LOG_DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
_SANITIZE_KEYS = ['adminPass', 'admin_pass', 'password', 'admin_password']
# NOTE(ldbragst): Let's build a list of regex objects using the list of
# _SANITIZE_KEYS we already have. This way, we only have to add the new key
# to the list of _SANITIZE_KEYS and we can generate regular expressions
# for XML and JSON automatically.
_SANITIZE_PATTERNS = []
_FORMAT_PATTERNS = [r'(%(key)s\s*[=]\s*[\"\']).*?([\"\'])',
r'(<%(key)s>).*?(</%(key)s>)',
r'([\"\']%(key)s[\"\']\s*:\s*[\"\']).*?([\"\'])',
r'([\'"].*?%(key)s[\'"]\s*:\s*u?[\'"]).*?([\'"])']
for key in _SANITIZE_KEYS:
for pattern in _FORMAT_PATTERNS:
reg_ex = re.compile(pattern % {'key': key}, re.DOTALL)
_SANITIZE_PATTERNS.append(reg_ex)
common_cli_opts = [
cfg.BoolOpt('debug',
@ -84,14 +71,11 @@ logging_cli_opts = [
cfg.StrOpt('log-config-append',
metavar='PATH',
deprecated_name='log-config',
help='The name of logging configuration file. It does not '
'disable existing loggers, but just appends specified '
'logging configuration to any other existing logging '
'options. Please see the Python logging module '
'documentation for details on logging configuration '
'files.'),
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.'),
cfg.StrOpt('log-format',
default=None,
metavar='FORMAT',
help='DEPRECATED. '
'A logging.Formatter log message format string which may '
@ -103,7 +87,7 @@ logging_cli_opts = [
default=_DEFAULT_LOG_DATE_FORMAT,
metavar='DATE_FORMAT',
help='Format string for %%(asctime)s in log records. '
'Default: %(default)s'),
'Default: %(default)s .'),
cfg.StrOpt('log-file',
metavar='PATH',
deprecated_name='logfile',
@ -112,80 +96,76 @@ logging_cli_opts = [
cfg.StrOpt('log-dir',
deprecated_name='logdir',
help='(Optional) The base directory used for relative '
'--log-file paths'),
'--log-file paths.'),
cfg.BoolOpt('use-syslog',
default=False,
help='Use syslog for logging. '
'Existing syslog format is DEPRECATED during I, '
'and then will be changed in J to honor RFC5424'),
'and will change in J to honor RFC5424.'),
cfg.BoolOpt('use-syslog-rfc-format',
# TODO(bogdando) remove or use True after existing
# syslog format deprecation in J
default=False,
help='(Optional) Use syslog rfc5424 format for logging. '
'If enabled, will add APP-NAME (RFC5424) before the '
'MSG part of the syslog message. The old format '
'without APP-NAME is deprecated in I, '
help='(Optional) 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 I, '
'and will be removed in J.'),
cfg.StrOpt('syslog-log-facility',
default='LOG_USER',
help='Syslog facility to receive log lines')
help='Syslog facility to receive log lines.')
]
generic_log_opts = [
cfg.BoolOpt('use_stderr',
default=True,
help='Log output to standard error')
help='Log output to standard error.')
]
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']
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'),
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 without context'),
help='Format string to use for log messages without context.'),
cfg.StrOpt('logging_debug_format_suffix',
default='%(funcName)s %(pathname)s:%(lineno)d',
help='Data to append to log format when level is DEBUG'),
help='Data to append to log format when level is DEBUG.'),
cfg.StrOpt('logging_exception_prefix',
default='%(asctime)s.%(msecs)03d %(process)d TRACE %(name)s '
'%(instance)s',
help='Prefix each line of exception output with this format'),
help='Prefix each line of exception output with this format.'),
cfg.ListOpt('default_log_levels',
default=[
'amqp=WARN',
'amqplib=WARN',
'boto=WARN',
'qpid=WARN',
'sqlalchemy=WARN',
'suds=INFO',
'oslo.messaging=INFO',
'iso8601=WARN',
'requests.packages.urllib3.connectionpool=WARN'
],
help='List of logger=LEVEL pairs'),
default=DEFAULT_LOG_LEVELS,
help='List of logger=LEVEL pairs.'),
cfg.BoolOpt('publish_errors',
default=False,
help='Publish error events'),
help='Enables or disables publication of error events.'),
cfg.BoolOpt('fatal_deprecations',
default=False,
help='Make deprecations fatal'),
help='Enables or disables fatal status of deprecations.'),
# 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='If an instance is passed with the log message, format '
'it like this'),
help='The format for an instance that is passed with the log '
'message.'),
cfg.StrOpt('instance_uuid_format',
default='[instance: %(uuid)s] ',
help='If an instance UUID is passed with the log message, '
'format it like this'),
help='The format for an instance UUID that is passed with the '
'log message.'),
]
CONF = cfg.CONF
@ -244,45 +224,20 @@ def _get_log_file_path(binary=None):
return None
def mask_password(message, secret="***"):
"""Replace password with 'secret' in message.
:param message: The string which includes security information.
:param secret: value with which to replace passwords.
:returns: The unicode value of message with the password fields masked.
For example:
>>> mask_password("'adminPass' : 'aaaaa'")
"'adminPass' : '***'"
>>> mask_password("'admin_pass' : 'aaaaa'")
"'admin_pass' : '***'"
>>> mask_password('"password" : "aaaaa"')
'"password" : "***"'
>>> mask_password("'original_password' : 'aaaaa'")
"'original_password' : '***'"
>>> mask_password("u'original_password' : u'aaaaa'")
"u'original_password' : u'***'"
"""
message = six.text_type(message)
# NOTE(ldbragst): Check to see if anything in message contains any key
# specified in _SANITIZE_KEYS, if not then just return the message since
# we don't have to mask any passwords.
if not any(key in message for key in _SANITIZE_KEYS):
return message
secret = r'\g<1>' + secret + r'\g<2>'
for pattern in _SANITIZE_PATTERNS:
message = re.sub(pattern, secret, message)
return message
class BaseLoggerAdapter(logging.LoggerAdapter):
def audit(self, msg, *args, **kwargs):
self.log(logging.AUDIT, msg, *args, **kwargs)
def isEnabledFor(self, level):
if _PY26:
# This method was added in python 2.7 (and it does the exact
# same logic, so we need to do the exact same logic so that
# python 2.6 has this capability as well).
return self.logger.isEnabledFor(level)
else:
return super(BaseLoggerAdapter, self).isEnabledFor(level)
class LazyAdapter(BaseLoggerAdapter):
def __init__(self, name='unknown', version='unknown'):
@ -295,6 +250,11 @@ class LazyAdapter(BaseLoggerAdapter):
def logger(self):
if not self._logger:
self._logger = getLogger(self.name, self.version)
if six.PY3:
# In Python 3, the code fails because the 'manager' attribute
# cannot be found when using a LoggerAdapter as the
# underlying logger. Work around this issue.
self._logger.manager = self._logger.logger.manager
return self._logger
@ -424,9 +384,7 @@ class JSONFormatter(logging.Formatter):
def _create_logging_excepthook(product_name):
def logging_excepthook(exc_type, value, tb):
extra = {}
if CONF.verbose or CONF.debug:
extra['exc_info'] = (exc_type, value, tb)
extra = {'exc_info': (exc_type, value, tb)}
getLogger(product_name).critical(
"".join(traceback.format_exception_only(exc_type, value)),
**extra)
@ -450,8 +408,8 @@ def _load_log_config(log_config_append):
try:
logging.config.fileConfig(log_config_append,
disable_existing_loggers=False)
except moves.configparser.Error as exc:
raise LogConfigError(log_config_append, str(exc))
except (moves.configparser.Error, KeyError) as exc:
raise LogConfigError(log_config_append, six.text_type(exc))
def setup(product_name, version='unknown'):
@ -463,10 +421,20 @@ def setup(product_name, version='unknown'):
sys.excepthook = _create_logging_excepthook(product_name)
def set_defaults(logging_context_format_string):
cfg.set_defaults(log_opts,
logging_context_format_string=
logging_context_format_string)
def set_defaults(logging_context_format_string=None,
default_log_levels=None):
# Just in case the caller is not setting the
# default_log_level. This is insurance because
# we introduced the default_log_level parameter
# later in a backwards in-compatible change
if default_log_levels is not None:
cfg.set_defaults(
log_opts,
default_log_levels=default_log_levels)
if logging_context_format_string is not None:
cfg.set_defaults(
log_opts,
logging_context_format_string=logging_context_format_string)
def _find_facility_from_conf():
@ -496,10 +464,16 @@ def _find_facility_from_conf():
class RFCSysLogHandler(logging.handlers.SysLogHandler):
def __init__(self, *args, **kwargs):
self.binary_name = _get_binary_name()
super(RFCSysLogHandler, self).__init__(*args, **kwargs)
# Do not use super() unless type(logging.handlers.SysLogHandler)
# is 'type' (Python 2.7).
# Use old style calls, if the type is 'classobj' (Python 2.6)
logging.handlers.SysLogHandler.__init__(self, *args, **kwargs)
def format(self, record):
msg = super(RFCSysLogHandler, self).format(record)
# Do not use super() unless type(logging.handlers.SysLogHandler)
# is 'type' (Python 2.7).
# Use old style calls, if the type is 'classobj' (Python 2.6)
msg = logging.handlers.SysLogHandler.format(self, record)
msg = self.binary_name + ' ' + msg
return msg
@ -537,9 +511,14 @@ def _setup_logging_from_conf(project, version):
log_root.addHandler(streamlog)
if CONF.publish_errors:
handler = importutils.import_object(
"ironic_python_agent.openstack.common.log_handler.PublishErrorsHandler",
logging.ERROR)
try:
handler = importutils.import_object(
"ironic_python_agent.openstack.common.log_handler.PublishErrorsHandler",
logging.ERROR)
except ImportError:
handler = importutils.import_object(
"oslo.messaging.notify.log_handler.PublishErrorsHandler",
logging.ERROR)
log_root.addHandler(handler)
datefmt = CONF.log_date_format
@ -565,9 +544,15 @@ def _setup_logging_from_conf(project, version):
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)
# NOTE(AAzza) in python2.6 Logger.setLevel doesn't convert string name
# to integer code.
if sys.version_info < (2, 7):
level = logging.getLevelName(level_name)
logger.setLevel(level)
else:
logger.setLevel(level_name)
_loggers = {}
@ -656,14 +641,19 @@ class ContextFormatter(logging.Formatter):
record.__dict__[key] = ''
if record.__dict__.get('request_id'):
self._fmt = CONF.logging_context_format_string
fmt = CONF.logging_context_format_string
else:
self._fmt = CONF.logging_default_format_string
fmt = CONF.logging_default_format_string
if (record.levelno == logging.DEBUG and
CONF.logging_debug_format_suffix):
self._fmt += " " + CONF.logging_debug_format_suffix
fmt += " " + CONF.logging_debug_format_suffix
if sys.version_info < (3, 2):
self._fmt = fmt
else:
self._style = logging.PercentStyle(fmt)
self._fmt = self._style._fmt
# Cache this on the record, Logger will respect our formatted copy
if record.exc_info:
record.exc_text = self.formatException(record.exc_info, record)

@ -16,31 +16,36 @@
# under the License.
import sys
import time
from eventlet import event
from eventlet import greenthread
from ironic_python_agent.openstack.common.gettextutils import _LE, _LW
from ironic_python_agent.openstack.common import log as logging
from ironic_python_agent.openstack.common import timeutils
LOG = logging.getLogger(__name__)
# NOTE(zyluo): This lambda function was declared to avoid mocking collisions
# with time.time() called in the standard logging module
# during unittests.
_ts = lambda: time.time()
class LoopingCallDone(Exception):
"""Exception to break out and stop a LoopingCall.
"""Exception to break out and stop a LoopingCallBase.
The poll-function passed to LoopingCall can raise this exception to
The poll-function passed to LoopingCallBase can raise this exception to
break out of the loop normally. This is somewhat analogous to
StopIteration.
An optional return-value can be included as the argument to the exception;
this return-value will be returned by LoopingCall.wait()
this return-value will be returned by LoopingCallBase.wait()
"""
def __init__(self, retvalue=True):
""":param retvalue: Value that LoopingCall.wait() should return."""
""":param retvalue: Value that LoopingCallBase.wait() should return."""
self.retvalue = retvalue
@ -72,16 +77,17 @@ class FixedIntervalLoopingCall(LoopingCallBase):
try:
while self._running:
start = timeutils.utcnow()
start = _ts()
self.f(*self.args, **self.kw)
end = timeutils.utcnow()
end = _ts()
if not self._running:
break
delay = interval - timeutils.delta_seconds(start, end)
if delay <= 0:
LOG.warn(_LW('task run outlasted interval by %s sec') %
-delay)
greenthread.sleep(delay if delay > 0 else 0)
delay = end - start - interval
if delay > 0:
LOG.warn(_LW('task %(func_name)s run outlasted '
'interval by %(delay).2f sec'),
{'func_name': repr(self.f), 'delay': delay})
greenthread.sleep(-delay if delay < 0 else 0)
except LoopingCallDone as e:
self.stop()
done.send(e.retvalue)
@ -98,11 +104,6 @@ class FixedIntervalLoopingCall(LoopingCallBase):
return self.done
# TODO(mikal): this class name is deprecated in Havana and should be removed
# in the I release
LoopingCall = FixedIntervalLoopingCall
class DynamicLoopingCall(LoopingCallBase):
"""A looping call which sleeps until the next known event.
@ -126,8 +127,9 @@ class DynamicLoopingCall(LoopingCallBase):
if periodic_interval_max is not None:
idle = min(idle, periodic_interval_max)
LOG.debug('Dynamic looping call sleeping for %.02f '
'seconds', idle)
LOG.debug('Dynamic looping call %(func_name)s sleeping '
'for %(idle).02f seconds',
{'func_name': repr(self.f), 'idle': idle})
greenthread.sleep(idle)
except LoopingCallDone as e:
self.stop()

@ -18,7 +18,8 @@ System-level utilities and helper functions.
"""
import errno
import logging as stdlib_logging
import logging
import multiprocessing
import os
import random
import shlex
@ -29,7 +30,7 @@ from eventlet import greenthread
import six
from ironic_python_agent.openstack.common.gettextutils import _
from ironic_python_agent.openstack.common import log as logging
from ironic_python_agent.openstack.common import strutils
LOG = logging.getLogger(__name__)
@ -90,6 +91,9 @@ def execute(*cmd, **kwargs):
:type cmd: string
:param process_input: Send to opened process.
:type process_input: string
:param env_variables: Environment variables and their values that
will be set for the process.
:type env_variables: dict
:param check_exit_code: Single bool, int, or list of allowed exit
codes. Defaults to [0]. Raise
:class:`ProcessExecutionError` unless
@ -111,8 +115,7 @@ def execute(*cmd, **kwargs):
execute this command. Defaults to false.
:type shell: boolean
:param loglevel: log level for execute commands.
:type loglevel: int. (Should be stdlib_logging.DEBUG or
stdlib_logging.INFO)
:type loglevel: int. (Should be logging.DEBUG or logging.INFO)
:returns: (stdout, stderr) from process execution
:raises: :class:`UnknownArgumentError` on
receiving unknown arguments
@ -120,6 +123,7 @@ def execute(*cmd, **kwargs):
"""
process_input = kwargs.pop('process_input', None)
env_variables = kwargs.pop('env_variables', None)
check_exit_code = kwargs.pop('check_exit_code', [0])
ignore_exit_code = False
delay_on_retry = kwargs.pop('delay_on_retry', True)
@ -127,7 +131,7 @@ def execute(*cmd, **kwargs):
run_as_root = kwargs.pop('run_as_root', False)
root_helper = kwargs.pop('root_helper', '')
shell = kwargs.pop('shell', False)
loglevel = kwargs.pop('loglevel', stdlib_logging.DEBUG)
loglevel = kwargs.pop('loglevel', logging.DEBUG)
if isinstance(check_exit_code, bool):
ignore_exit_code = not check_exit_code
@ -136,8 +140,7 @@ def execute(*cmd, **kwargs):
check_exit_code = [check_exit_code]
if kwargs:
raise UnknownArgumentError(_('Got unknown keyword args '
'to utils.execute: %r') % kwargs)
raise UnknownArgumentError(_('Got unknown keyword args: %r') % kwargs)
if run_as_root and hasattr(os, 'geteuid') and os.geteuid() != 0:
if not root_helper:
@ -152,7 +155,7 @@ def execute(*cmd, **kwargs):
attempts -= 1
try:
LOG.log(loglevel, 'Running cmd (subprocess): %s',
' '.join(cmd))
strutils.mask_password(' '.join(cmd)))
_PIPE = subprocess.PIPE # pylint: disable=E1101
if os.name == 'nt':
@ -168,7 +171,8 @@ def execute(*cmd, **kwargs):
stderr=_PIPE,
close_fds=close_fds,
preexec_fn=preexec_fn,
shell=shell)
shell=shell,
env=env_variables)
result = None
for _i in six.moves.range(20):
# NOTE(russellb) 20 is an arbitrary number of retries to
@ -224,7 +228,7 @@ def trycmd(*args, **kwargs):
out, err = execute(*args, **kwargs)
failed = False
except ProcessExecutionError as exn:
out, err = '', str(exn)
out, err = '', six.text_type(exn)
failed = True
if not failed and discard_warnings and err:
@ -265,3 +269,15 @@ def ssh_execute(ssh, cmd, process_input=None,
cmd=cmd)
return (stdout, stderr)
def get_worker_count():
"""Utility to get the default worker count.
@return: The number of CPUs if that can be determined, else a default
worker count of 1 is returned.
"""
try:
return multiprocessing.cpu_count()
except NotImplementedError:
return 1

@ -0,0 +1,295 @@
# Copyright 2011 OpenStack Foundation.
# All Rights Reserved.
#
# 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.
"""
System-level utilities and helper functions.
"""
import math
import re
import sys
import unicodedata
import six
from ironic_python_agent.openstack.common.gettextutils import _
UNIT_PREFIX_EXPONENT = {
'k': 1,
'K': 1,
'Ki': 1,
'M': 2,
'Mi': 2,
'G': 3,
'Gi': 3,
'T': 4,
'Ti': 4,
}
UNIT_SYSTEM_INFO = {
'IEC': (1024, re.compile(r'(^[-+]?\d*\.?\d+)([KMGT]i?)?(b|bit|B)$')),
'SI': (1000, re.compile(r'(^[-+]?\d*\.?\d+)([kMGT])?(b|bit|B)$')),
}
TRUE_STRINGS = ('1', 't', 'true', 'on', 'y', 'yes')
FALSE_STRINGS = ('0', 'f', 'false', 'off', 'n', 'no')
SLUGIFY_STRIP_RE = re.compile(r"[^\w\s-]")
SLUGIFY_HYPHENATE_RE = re.compile(r"[-\s]+")
# NOTE(flaper87): The following 3 globals are used by `mask_password`
_SANITIZE_KEYS = ['adminPass', 'admin_pass', 'password', 'admin_password']
# NOTE(ldbragst): Let's build a list of regex objects using the list of
# _SANITIZE_KEYS we already have. This way, we only have to add the new key
# to the list of _SANITIZE_KEYS and we can generate regular expressions
# for XML and JSON automatically.
_SANITIZE_PATTERNS = []
_FORMAT_PATTERNS = [r'(%(key)s\s*[=]\s*[\"\']).*?([\"\'])',
r'(<%(key)s>).*?(</%(key)s>)',
r'([\"\']%(key)s[\"\']\s*:\s*[\"\']).*?([\"\'])',
r'([\'"].*?%(key)s[\'"]\s*:\s*u?[\'"]).*?([\'"])',
r'([\'"].*?%(key)s[\'"]\s*,\s*\'--?[A-z]+\'\s*,\s*u?[\'"])'
'.*?([\'"])',
r'(%(key)s\s*--?[A-z]+\s*)\S+(\s*)']
for key in _SANITIZE_KEYS:
for pattern in _FORMAT_PATTERNS:
reg_ex = re.compile(pattern % {'key': key}, re.DOTALL)
_SANITIZE_PATTERNS.append(reg_ex)
def int_from_bool_as_string(subject):
"""Interpret a string as a boolean and return either 1 or 0.
Any string value in:
('True', 'true', 'On', 'on', '1')
is interpreted as a boolean True.
Useful for JSON-decoded stuff and config file parsing
"""
return bool_from_string(subject) and 1 or 0
def bool_from_string(subject, strict=False, default=False):
"""Interpret a string as a boolean.
A case-insensitive match is performed such that strings matching 't',
'true', 'on', 'y', 'yes', or '1' are considered True and, when
`strict=False`, anything else returns the value specified by 'default'.
Useful for JSON-decoded stuff and config file parsing.
If `strict=True`, unrecognized values, including None, will raise a
ValueError which is useful when parsing values passed in from an API call.
Strings yielding False are 'f', 'false', 'off', 'n', 'no', or '0'.
"""
if not isinstance(subject, six.string_types):
subject = six.text_type(subject)
lowered = subject.strip().lower()
if lowered in TRUE_STRINGS:
return True
elif lowered in FALSE_STRINGS:
return False
elif strict:
acceptable = ', '.join(
"'%s'" % s for s in sorted(TRUE_STRINGS + FALSE_STRINGS))
msg = _("Unrecognized value '%(val)s', acceptable values are:"
" %(acceptable)s") % {'val': subject,
'acceptable': acceptable}
raise ValueError(msg)
else:
return default
def safe_decode(text, incoming=None, errors='strict'):
"""Decodes incoming text/bytes string using `incoming` if they're not
already unicode.
:param incoming: Text's current encoding
:param errors: Errors handling policy. See here for valid
values http://docs.python.org/2/library/codecs.html
:returns: text or a unicode `incoming` encoded
representation of it.
:raises TypeError: If text is not an instance of str
"""
if not isinstance(text, (six.string_types, six.binary_type)):
raise TypeError("%s can't be decoded" % type(text))
if isinstance(text, six.text_type):
return text
if not incoming:
incoming = (sys.stdin.encoding or
sys.getdefaultencoding())
try:
return text.decode(incoming, errors)
except UnicodeDecodeError:
# Note(flaper87) If we get here, it means that
# sys.stdin.encoding / sys.getdefaultencoding
# didn't return a suitable encoding to decode
# text. This happens mostly when global LANG
# var is not set correctly and there's no
# default encoding. In this case, most likely
# python will use ASCII or ANSI encoders as
# default encodings but they won't be capable
# of decoding non-ASCII characters.
#
# Also, UTF-8 is being used since it's an ASCII
# extension.
return text.decode('utf-8', errors)
def safe_encode(text, incoming=None,
encoding='utf-8', errors='strict'):
"""Encodes incoming text/bytes string using `encoding`.
If incoming is not specified, text is expected to be encoded with
current python's default encoding. (`sys.getdefaultencoding`)
:param incoming: Text's current encoding
:param encoding: Expected encoding for text (Default UTF-8)
:param errors: Errors handling policy. See here for valid
values http://docs.python.org/2/library/codecs.html
:returns: text or a bytestring `encoding` encoded
representation of it.
:raises TypeError: If text is not an instance of str
"""
if not isinstance(text, (six.string_types, six.binary_type)):
raise TypeError("%s can't be encoded" % type(text))
if not incoming:
incoming = (sys.stdin.encoding or
sys.getdefaultencoding())
if isinstance(text, six.text_type):
return text.encode(encoding, errors)
elif text and encoding != incoming:
# Decode text before encoding it with `encoding`
text = safe_decode(text, incoming, errors)
return text.encode(encoding, errors)
else:
return text
def string_to_bytes(text, unit_system='IEC', return_int=False):
"""Converts a string into an float representation of bytes.
The units supported for IEC ::
Kb(it), Kib(it), Mb(it), Mib(it), Gb(it), Gib(it), Tb(it), Tib(it)
KB, KiB, MB, MiB, GB, GiB, TB, TiB
The units supported for SI ::
kb(it), Mb(it), Gb(it), Tb(it)
kB, MB, GB, TB
Note that the SI unit system does not support capital letter 'K'
:param text: String input for bytes size conversion.
:param unit_system: Unit system for byte size conversion.
:param return_int: If True, returns integer representation of text
in bytes. (default: decimal)
:returns: Numerical representation of text in bytes.
:raises ValueError: If text has an invalid value.
"""
try:
base, reg_ex = UNIT_SYSTEM_INFO[unit_system]
except KeyError:
msg = _('Invalid unit system: "%s"') % unit_system
raise ValueError(msg)
match = reg_ex.match(text)
if match:
magnitude = float(match.group(1))
unit_prefix = match.group(2)
if match.group(3) in ['b', 'bit']:
magnitude /= 8
else:
msg = _('Invalid string format: %s') % text
raise ValueError(msg)
if not unit_prefix:
res = magnitude
else:
res = magnitude * pow(base, UNIT_PREFIX_EXPONENT[unit_prefix])
if return_int:
return int(math.ceil(res))
return res
def to_slug(value, incoming=None, errors="strict"):
"""Normalize string.
Convert to lowercase, remove non-word characters, and convert spaces
to hyphens.
Inspired by Django's `slugify` filter.
:param value: Text to slugify
:param incoming: Text's current encoding
:param errors: Errors handling policy. See here for valid
values http://docs.python.org/2/library/codecs.html
:returns: slugified unicode representation of `value`
:raises TypeError: If text is not an instance of str
"""
value = safe_decode(value, incoming, errors)
# NOTE(aababilov): no need to use safe_(encode|decode) here:
# encodings are always "ascii", error handling is always "ignore"
# and types are always known (first: unicode; second: str)
value = unicodedata.normalize("NFKD", value).encode(
"ascii", "ignore").decode("ascii")
value = SLUGIFY_STRIP_RE.sub("", value).strip().lower()
return SLUGIFY_HYPHENATE_RE.sub("-", value)
def mask_password(message, secret="***"):
"""Replace password with 'secret' in message.
:param message: The string which includes security information.
:param secret: value with which to replace passwords.
:returns: The unicode value of message with the password fields masked.
For example:
>>> mask_password("'adminPass' : 'aaaaa'")
"'adminPass' : '***'"
>>> mask_password("'admin_pass' : 'aaaaa'")
"'admin_pass' : '***'"
>>> mask_password('"password" : "aaaaa"')
'"password" : "***"'
>>> mask_password("'original_password' : 'aaaaa'")
"'original_password' : '***'"
>>> mask_password("u'original_password' : u'aaaaa'")
"u'original_password' : u'***'"
"""
message = six.text_type(message)
# NOTE(ldbragst): Check to see if anything in message contains any key
# specified in _SANITIZE_KEYS, if not then just return the message since
# we don't have to mask any passwords.
if not any(key in message for key in _SANITIZE_KEYS):
return message
secret = r'\g<1>' + secret + r'\g<2>'
for pattern in _SANITIZE_PATTERNS:
message = re.sub(pattern, secret, message)
return message

@ -114,7 +114,7 @@ def utcnow():
def iso8601_from_timestamp(timestamp):
"""Returns a iso8601 formatted date from timestamp."""
"""Returns an iso8601 formatted date from timestamp."""
return isotime(datetime.datetime.utcfromtimestamp(timestamp))
@ -134,7 +134,7 @@ def set_time_override(override_time=None):
def advance_time_delta(timedelta):
"""Advance overridden time using a datetime.timedelta."""
assert(not utcnow.override_time is None)
assert utcnow.override_time is not None
try:
for dt in utcnow.override_time:
dt += timedelta