def __new__(cls, *args, **kwargs):
'''Create an instance of the servicegroup API.
args and kwargs are passed down to the servicegroup driver when it gets
created. No args currently exist, though. Valid kwargs are:
db_allowed - Boolean. False if direct db access is not allowed and
alternative data access (conductor) should be used
instead.
'''
if not cls._driver:
LOG.debug(_('ServiceGroup driver defined as an instance of %s'),
str(CONF.servicegroup_driver))
driver_name = CONF.servicegroup_driver
try:
driver_class = cls._driver_name_class_mapping[driver_name]
except KeyError:
raise TypeError(_("unknown ServiceGroup driver name: %s")
% driver_name)
cls._driver = importutils.import_object(driver_class,
*args, **kwargs)
utils.check_isinstance(cls._driver, ServiceGroupDriver)
# we don't have to check that cls._driver is not NONE,
# check_isinstance does it
return super(API, cls).__new__(cls)
def __init__(self, scheduler_driver=None, *args, **kwargs):
if not scheduler_driver:
scheduler_driver = CONF.scheduler_driver
self.driver = importutils.import_object(scheduler_driver)
self.resourceoperator_rpcapi = rpcapi.ResourceOperatorAPI()
super(SchedulerManager, self).__init__(service_name='scheduler',
*args, **kwargs)
def _setup_logging_from_conf():
log_root = getLogger(None).logger
for handler in log_root.handlers:
log_root.removeHandler(handler)
if CONF.use_syslog:
facility = _find_facility_from_conf()
# TODO(bogdando) use the format provided by RFCSysLogHandler
# after existing syslog format deprecation in J
if CONF.use_syslog_rfc_format:
syslog = RFCSysLogHandler(address='/dev/log', facility=facility)
else:
syslog = logging.handlers.SysLogHandler(address='/dev/log',
facility=facility)
log_root.addHandler(syslog)
logpath = _get_log_file_path()
if logpath:
filelog = logging.handlers.WatchedFileHandler(logpath)
log_root.addHandler(filelog)
if CONF.use_stderr:
streamlog = ColorHandler()
log_root.addHandler(streamlog)
elif not logpath:
# pass sys.stdout as a positional argument
# python2.6 calls the argument strm, in 2.7 it's stream
streamlog = logging.StreamHandler(sys.stdout)
log_root.addHandler(streamlog)
if CONF.publish_errors:
handler = importutils.import_object(
"rack.openstack.common.log_handler.PublishErrorsHandler",
logging.ERROR)
log_root.addHandler(handler)
datefmt = CONF.log_date_format
for handler in log_root.handlers:
# NOTE(alaski): CONF.log_format overrides everything currently. This
# should be deprecated in favor of context aware formatting.
if CONF.log_format:
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)