neutron/neutron/services/logapi/drivers/manager.py

54 lines
1.7 KiB
Python

# Copyright (c) 2017 Fujitsu Limited
# 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.
from neutron_lib.callbacks import events
from neutron_lib.callbacks import registry
from oslo_log import log as logging
from neutron.services.logapi.common import constants as log_const
LOG = logging.getLogger(__name__)
class LoggingServiceDriverManager(object):
def __init__(self):
self._drivers = set()
registry.publish(log_const.LOGGING_PLUGIN, events.AFTER_INIT, self)
@property
def drivers(self):
return self._drivers
def register_driver(self, driver):
"""Register driver with logging plugin.
This method is called from drivers on INIT event.
"""
self._drivers.add(driver)
@property
def supported_logging_types(self):
if not self._drivers:
return set()
log_types = set()
for driver in self._drivers:
log_types |= set(driver.supported_logging_types)
LOG.debug("Supported logging types (logging types supported "
"by at least one loaded log_driver): %s", log_types)
return log_types