panko/ceilometer/dispatcher/__init__.py

69 lines
1.8 KiB
Python

#
# Copyright 2013 IBM
#
# Author: Tong Li <litong01@us.ibm.com>
#
# 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 abc
from oslo_config import cfg
import six
from stevedore import named
from ceilometer.i18n import _
from ceilometer.openstack.common import log
LOG = log.getLogger(__name__)
OPTS = [
cfg.MultiStrOpt('dispatcher',
deprecated_group="collector",
default=['database'],
help='Dispatcher to process data.'),
]
cfg.CONF.register_opts(OPTS)
DISPATCHER_NAMESPACE = 'ceilometer.dispatcher'
def load_dispatcher_manager():
LOG.debug(_('loading dispatchers from %s'),
DISPATCHER_NAMESPACE)
dispatcher_manager = named.NamedExtensionManager(
namespace=DISPATCHER_NAMESPACE,
names=cfg.CONF.dispatcher,
invoke_on_load=True,
invoke_args=[cfg.CONF])
if not list(dispatcher_manager):
LOG.warning(_('Failed to load any dispatchers for %s'),
DISPATCHER_NAMESPACE)
return dispatcher_manager
@six.add_metaclass(abc.ABCMeta)
class Base(object):
def __init__(self, conf):
self.conf = conf
@abc.abstractmethod
def record_metering_data(self, data):
"""Recording metering data interface."""
@abc.abstractmethod
def record_events(self, events):
"""Recording events interface."""