57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log as logging
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import oslo_messaging
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from neutron._i18n import _LE
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from neutron.common import constants as consts
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from neutron.common import utils
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from neutron import manager
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from neutron.plugins.common import constants as service_constants
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LOG = logging.getLogger(__name__)
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class MeteringRpcCallbacks(object):
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target = oslo_messaging.Target(version='1.0')
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def __init__(self, meter_plugin):
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self.meter_plugin = meter_plugin
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def get_sync_data_metering(self, context, **kwargs):
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l3_plugin = manager.NeutronManager.get_service_plugins().get(
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service_constants.L3_ROUTER_NAT)
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if not l3_plugin:
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return
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host = kwargs.get('host')
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if not utils.is_extension_supported(
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l3_plugin, consts.L3_AGENT_SCHEDULER_EXT_ALIAS) or not host:
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return self.meter_plugin.get_sync_data_metering(context)
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else:
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agents = l3_plugin.get_l3_agents(context, filters={'host': [host]})
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if not agents:
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LOG.error(_LE('Unable to find agent %s.'), host)
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return
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routers = l3_plugin.list_routers_on_l3_agent(context, agents[0].id)
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router_ids = [router['id'] for router in routers['routers']]
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if not router_ids:
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return
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return self.meter_plugin.get_sync_data_metering(context,
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router_ids=router_ids)
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