daafe8b247
This patch introduces the models, the DB migrations and the config options required by the L2 layer to support DVR east/west traffic. These changes will be used by the control-plane made of ML2, L2pop and L2 agent. Two new configuration options have been introduced: 'dvr_base_mac' is used to set DVR MAC addresses apart from tenant ones (every distributed router will have ports being created on compute hosts) and 'enable_distributed_routing' is used to enable dvr support in the L2 agent. This gives the capability of rolling out the dvr functionality in stages. Partially-implements: blueprint neutron-ovs-dvr DocImpact Change-Id: Iab6505f239d2c4c9bcbf4e32a292d7b4b5320c8e Authored-by: Vivekanandan Narasimhan <vivekanandan.narasimhan@hp.com> Co-Authored-By: Armando Migliaccio <armamig@gmail.com>
103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
# Copyright (c) 2014 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.
|
|
|
|
import mock
|
|
from oslo.config import cfg
|
|
|
|
from neutron import context
|
|
from neutron.db import api as db
|
|
from neutron.db import dvr_mac_db
|
|
from neutron.extensions import dvr
|
|
from neutron.tests import base
|
|
|
|
|
|
class DVRDbMixinImpl(dvr_mac_db.DVRDbMixin):
|
|
|
|
def __init__(self, notifier):
|
|
self.notifier = notifier
|
|
|
|
|
|
class DvrDbMixinTestCase(base.BaseTestCase):
|
|
|
|
def setUp(self):
|
|
super(DvrDbMixinTestCase, self).setUp()
|
|
db.configure_db()
|
|
self.ctx = context.get_admin_context()
|
|
self.addCleanup(db.clear_db)
|
|
self.mixin = DVRDbMixinImpl(mock.Mock())
|
|
|
|
def _create_dvr_mac_entry(self, host, mac_address):
|
|
with self.ctx.session.begin(subtransactions=True):
|
|
entry = dvr_mac_db.DistributedVirtualRouterMacAddress(
|
|
host=host, mac_address=mac_address)
|
|
self.ctx.session.add(entry)
|
|
|
|
def test__get_dvr_mac_address_by_host(self):
|
|
with self.ctx.session.begin(subtransactions=True):
|
|
entry = dvr_mac_db.DistributedVirtualRouterMacAddress(
|
|
host='foo_host', mac_address='foo_mac_address')
|
|
self.ctx.session.add(entry)
|
|
result = self.mixin._get_dvr_mac_address_by_host(self.ctx, 'foo_host')
|
|
self.assertEqual(entry, result)
|
|
|
|
def test__get_dvr_mac_address_by_host_not_found(self):
|
|
self.assertRaises(dvr.DVRMacAddressNotFound,
|
|
self.mixin._get_dvr_mac_address_by_host,
|
|
self.ctx, 'foo_host')
|
|
|
|
def test__create_dvr_mac_address_success(self):
|
|
entry = {'host': 'foo_host', 'mac_address': '00:11:22:33:44:55:66'}
|
|
with mock.patch.object(dvr_mac_db.utils, 'get_random_mac') as f:
|
|
f.return_value = entry['mac_address']
|
|
expected = self.mixin._create_dvr_mac_address(
|
|
self.ctx, entry['host'])
|
|
self.assertEqual(expected, entry)
|
|
|
|
def test__create_dvr_mac_address_retries_exceeded_retry_logic(self):
|
|
new_retries = 8
|
|
cfg.CONF.set_override('mac_generation_retries', new_retries)
|
|
self._create_dvr_mac_entry('foo_host_1', 'non_unique_mac')
|
|
with mock.patch.object(dvr_mac_db.utils, 'get_random_mac') as f:
|
|
f.return_value = 'non_unique_mac'
|
|
self.assertRaises(dvr.MacAddressGenerationFailure,
|
|
self.mixin._create_dvr_mac_address,
|
|
self.ctx, "foo_host_2")
|
|
self.assertEqual(new_retries, f.call_count)
|
|
|
|
def test_delete_dvr_mac_address(self):
|
|
self._create_dvr_mac_entry('foo_host', 'foo_mac_address')
|
|
self.mixin.delete_dvr_mac_address(self.ctx, 'foo_host')
|
|
count = self.ctx.session.query(
|
|
dvr_mac_db.DistributedVirtualRouterMacAddress).count()
|
|
self.assertFalse(count)
|
|
|
|
def test_get_dvr_mac_address_list(self):
|
|
self._create_dvr_mac_entry('host_1', 'mac_1')
|
|
self._create_dvr_mac_entry('host_2', 'mac_2')
|
|
mac_list = self.mixin.get_dvr_mac_address_list(self.ctx)
|
|
self.assertEqual(2, len(mac_list))
|
|
|
|
def test_get_dvr_mac_address_by_host_existing_host(self):
|
|
self._create_dvr_mac_entry('foo_host', 'foo_mac')
|
|
with mock.patch.object(self.mixin,
|
|
'_get_dvr_mac_address_by_host') as f:
|
|
self.mixin.get_dvr_mac_address_by_host(self.ctx, 'foo_host')
|
|
self.assertEqual(1, f.call_count)
|
|
|
|
def test_get_dvr_mac_address_by_host_missing_host(self):
|
|
with mock.patch.object(self.mixin, '_create_dvr_mac_address') as f:
|
|
self.mixin.get_dvr_mac_address_by_host(self.ctx, 'foo_host')
|
|
self.assertEqual(1, f.call_count)
|