neutron/neutron/tests/unit/agent/l3/test_legacy_router.py

114 lines
4.4 KiB
Python

# Copyright (c) 2015 OpenStack Foundation
#
# 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 neutron_lib import constants as lib_constants
from oslo_utils import uuidutils
from neutron.agent.l3 import legacy_router
from neutron.agent.linux import ip_lib
from neutron.tests import base
_uuid = uuidutils.generate_uuid
class BasicRouterTestCaseFramework(base.BaseTestCase):
def _create_router(self, router=None, **kwargs):
if not router:
router = mock.MagicMock()
self.agent_conf = mock.Mock()
self.driver = mock.Mock()
self.router_id = _uuid()
return legacy_router.LegacyRouter(mock.Mock(),
self.router_id,
router,
self.agent_conf,
self.driver,
**kwargs)
class TestBasicRouterOperations(BasicRouterTestCaseFramework):
def test_remove_floating_ip(self):
ri = self._create_router(mock.MagicMock())
device = mock.Mock()
cidr = '15.1.2.3/32'
ri.remove_floating_ip(device, cidr)
device.delete_addr_and_conntrack_state.assert_called_once_with(cidr)
def test_remove_external_gateway_ip(self):
ri = self._create_router(mock.MagicMock())
device = mock.Mock()
cidr = '172.16.0.0/24'
ri.remove_external_gateway_ip(device, cidr)
device.delete_addr_and_conntrack_state.assert_called_once_with(cidr)
@mock.patch.object(ip_lib, 'IPDevice')
def test_remove_multiple_external_gateway_ips(self, IPDevice):
ri = self._create_router(mock.MagicMock())
IPDevice.return_value = device = mock.Mock()
gw_ip_pri = '172.16.5.110'
gw_ip_sec = '172.16.5.111'
gw_ip6_pri = '2001:db8::1'
gw_ip6_sec = '2001:db8::2'
v4_prefixlen = 24
v6_prefixlen = 64
ex_gw_port = {'fixed_ips': [
{'ip_address': gw_ip_pri,
'prefixlen': v4_prefixlen},
{'ip_address': gw_ip_sec},
{'ip_address': gw_ip6_pri,
'prefixlen': v6_prefixlen},
{'ip_address': gw_ip6_sec}]}
ri.external_gateway_removed(ex_gw_port, "qg-fake-name")
cidr_pri = '%s/%s' % (gw_ip_pri, v4_prefixlen)
cidr_sec = '%s/%s' % (gw_ip_sec, lib_constants.IPv4_BITS)
cidr_v6 = '%s/%s' % (gw_ip6_pri, v6_prefixlen)
cidr_v6_sec = '%s/%s' % (gw_ip6_sec, lib_constants.IPv6_BITS)
device.delete_addr_and_conntrack_state.assert_has_calls(
[mock.call(cidr_pri), mock.call(cidr_sec),
mock.call(cidr_v6), mock.call(cidr_v6_sec)])
@mock.patch.object(ip_lib, 'send_ip_addr_adv_notif')
class TestAddFloatingIpWithMockGarp(BasicRouterTestCaseFramework):
def test_add_floating_ip(self, send_ip_addr_adv_notif):
ri = self._create_router()
ri._add_fip_addr_to_device = mock.Mock(return_value=True)
ip = '15.1.2.3'
result = ri.add_floating_ip({'floating_ip_address': ip},
mock.sentinel.interface_name,
mock.sentinel.device)
ip_lib.send_ip_addr_adv_notif.assert_called_once_with(
ri.ns_name,
mock.sentinel.interface_name,
ip)
self.assertEqual(lib_constants.FLOATINGIP_STATUS_ACTIVE, result)
def test_add_floating_ip_error(self, send_ip_addr_adv_notif):
ri = self._create_router()
ri._add_fip_addr_to_device = mock.Mock(return_value=False)
result = ri.add_floating_ip({'floating_ip_address': '15.1.2.3'},
mock.sentinel.interface_name,
mock.sentinel.device)
self.assertFalse(ip_lib.send_ip_addr_adv_notif.called)
self.assertEqual(lib_constants.FLOATINGIP_STATUS_ERROR, result)