vmware-nsx/neutron/db/metering/metering_rpc.py
Russell Bryant f76110be99 Convert several uses of RpcCallback
Convert several places in the code that were using the RpcCallback
compatibility class.  This class eased the transition to
oslo.messaging.  This patch drops the usage of this class in favor of
direct usage of the appropriate oslo.messaging API.

Part of blueprint drop-rpc-compat.

Change-Id: I955958e836635d43dabc7b39d050c1418b18cf8f
2014-12-04 16:35:21 +00:00

57 lines
2.0 KiB
Python

# Copyright (C) 2014 eNovance SAS <licensing@enovance.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.
from oslo import messaging
from neutron.common import constants as consts
from neutron.common import utils
from neutron.i18n import _LE
from neutron import manager
from neutron.openstack.common import log as logging
from neutron.plugins.common import constants as service_constants
LOG = logging.getLogger(__name__)
class MeteringRpcCallbacks(object):
target = messaging.Target(version='1.0')
def __init__(self, meter_plugin):
self.meter_plugin = meter_plugin
def get_sync_data_metering(self, context, **kwargs):
l3_plugin = manager.NeutronManager.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
if not l3_plugin:
return
host = kwargs.get('host')
if not utils.is_extension_supported(
l3_plugin, consts.L3_AGENT_SCHEDULER_EXT_ALIAS) or not host:
return self.meter_plugin.get_sync_data_metering(context)
else:
agents = l3_plugin.get_l3_agents(context, filters={'host': [host]})
if not agents:
LOG.error(_LE('Unable to find agent %s.'), host)
return
routers = l3_plugin.list_routers_on_l3_agent(context, agents[0].id)
router_ids = [router['id'] for router in routers['routers']]
if not router_ids:
return
return self.meter_plugin.get_sync_data_metering(context,
router_ids=router_ids)