4126d593e7
2nd part of blueprint quantum-scheduler Remove openstack openstack listener on DHCP agent side. Add DHCPagent notifier on quantum server side. Change-Id: I196691650a99ba865bf06081a1fc4546f9fac7bd
71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
# Copyright (c) 2013 OpenStack, LLC.
|
|
#
|
|
# 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 quantum.common import topics
|
|
from quantum.openstack.common import log as logging
|
|
from quantum.openstack.common.rpc import proxy
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class DhcpAgentNotifyAPI(proxy.RpcProxy):
|
|
"""API for plugin to notify DHCP agent."""
|
|
BASE_RPC_API_VERSION = '1.0'
|
|
# It seems dhcp agent does not support bulk operation
|
|
VALID_RESOURCES = ['network', 'subnet', 'port']
|
|
VALID_METHOD_NAMES = ['network.create.end',
|
|
'network.update.end',
|
|
'network.delete.end',
|
|
'subnet.create.end',
|
|
'subnet.update.end',
|
|
'subnet.delete.end',
|
|
'port.create.end',
|
|
'port.update.end',
|
|
'port.delete.end']
|
|
|
|
def __init__(self, topic=topics.DHCP_AGENT):
|
|
super(DhcpAgentNotifyAPI, self).__init__(
|
|
topic=topic, default_version=self.BASE_RPC_API_VERSION)
|
|
|
|
def _notification(self, context, method, payload):
|
|
"""Notify all the agents that are hosting the network"""
|
|
# By now, we have no scheduling feature, so we fanout
|
|
# to all of the DHCP agents
|
|
self._notification_fanout(context, method, payload)
|
|
|
|
def _notification_fanout(self, context, method, payload):
|
|
"""Fanout the payload to all dhcp agents"""
|
|
self.fanout_cast(
|
|
context, self.make_msg(method,
|
|
payload=payload),
|
|
topic=topics.DHCP_AGENT)
|
|
|
|
def notify(self, context, data, methodname):
|
|
# data is {'key' : 'value'} with only one key
|
|
if methodname not in self.VALID_METHOD_NAMES:
|
|
return
|
|
obj_type = data.keys()[0]
|
|
if obj_type not in self.VALID_RESOURCES:
|
|
return
|
|
obj_value = data[obj_type]
|
|
methodname = methodname.replace(".", "_")
|
|
if methodname.endswith("_delete_end"):
|
|
if 'id' in obj_value:
|
|
self._notification(context, methodname,
|
|
{obj_type + '_id': obj_value['id']})
|
|
else:
|
|
self._notification(context, methodname, data)
|