20803ea637
The following modules are removed: - excutils, - importutils, - network_utils, - strutils, - timeutils. Closes-Bug: #1385355 Change-Id: I1f34f17f5dbf37032584008f27e65d4dc4d475f4
94 lines
3.7 KiB
Python
94 lines
3.7 KiB
Python
# Copyright (c) 2013 OpenStack Foundation.
|
|
# 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 oslo.config import cfg
|
|
from oslo.utils import importutils
|
|
|
|
from neutron.api.rpc.agentnotifiers import l3_rpc_agent_api
|
|
from neutron.api.rpc.handlers import l3_rpc
|
|
from neutron.common import constants as q_const
|
|
from neutron.common import rpc as n_rpc
|
|
from neutron.common import topics
|
|
from neutron.db import common_db_mixin
|
|
from neutron.db import extraroute_db
|
|
from neutron.db import l3_dvrscheduler_db
|
|
from neutron.db import l3_gwmode_db
|
|
from neutron.db import l3_hamode_db
|
|
from neutron.db import l3_hascheduler_db
|
|
from neutron.plugins.common import constants
|
|
|
|
|
|
class L3RouterPlugin(common_db_mixin.CommonDbMixin,
|
|
extraroute_db.ExtraRoute_db_mixin,
|
|
l3_hamode_db.L3_HA_NAT_db_mixin,
|
|
l3_gwmode_db.L3_NAT_db_mixin,
|
|
l3_dvrscheduler_db.L3_DVRsch_db_mixin,
|
|
l3_hascheduler_db.L3_HA_scheduler_db_mixin):
|
|
|
|
"""Implementation of the Neutron L3 Router Service Plugin.
|
|
|
|
This class implements a L3 service plugin that provides
|
|
router and floatingip resources and manages associated
|
|
request/response.
|
|
All DB related work is implemented in classes
|
|
l3_db.L3_NAT_db_mixin, l3_hamode_db.L3_HA_NAT_db_mixin,
|
|
l3_dvr_db.L3_NAT_with_dvr_db_mixin, and extraroute_db.ExtraRoute_db_mixin.
|
|
"""
|
|
supported_extension_aliases = ["dvr", "router", "ext-gw-mode",
|
|
"extraroute", "l3_agent_scheduler",
|
|
"l3-ha"]
|
|
|
|
def __init__(self):
|
|
self.setup_rpc()
|
|
self.router_scheduler = importutils.import_object(
|
|
cfg.CONF.router_scheduler_driver)
|
|
self.start_periodic_agent_status_check()
|
|
super(L3RouterPlugin, self).__init__()
|
|
|
|
def setup_rpc(self):
|
|
# RPC support
|
|
self.topic = topics.L3PLUGIN
|
|
self.conn = n_rpc.create_connection(new=True)
|
|
self.agent_notifiers.update(
|
|
{q_const.AGENT_TYPE_L3: l3_rpc_agent_api.L3AgentNotifyAPI()})
|
|
self.endpoints = [l3_rpc.L3RpcCallback()]
|
|
self.conn.create_consumer(self.topic, self.endpoints,
|
|
fanout=False)
|
|
self.conn.consume_in_threads()
|
|
|
|
def get_plugin_type(self):
|
|
return constants.L3_ROUTER_NAT
|
|
|
|
def get_plugin_description(self):
|
|
"""returns string description of the plugin."""
|
|
return ("L3 Router Service Plugin for basic L3 forwarding"
|
|
" between (L2) Neutron networks and access to external"
|
|
" networks via a NAT gateway.")
|
|
|
|
def create_floatingip(self, context, floatingip):
|
|
"""Create floating IP.
|
|
|
|
:param context: Neutron request context
|
|
:param floatingip: data for the floating IP being created
|
|
:returns: A floating IP object on success
|
|
|
|
As the l3 router plugin asynchronously creates floating IPs
|
|
leveraging the l3 agent, the initial status for the floating
|
|
IP object will be DOWN.
|
|
"""
|
|
return super(L3RouterPlugin, self).create_floatingip(
|
|
context, floatingip,
|
|
initial_status=q_const.FLOATINGIP_STATUS_DOWN)
|