554 lines
22 KiB
Python
554 lines
22 KiB
Python
# Copyright (c) 2014 OpenStack Foundation, all rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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from oslo_utils import uuidutils
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from neutron.common import constants as l3_const
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from neutron.common import exceptions
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from neutron import context
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from neutron.db import common_db_mixin
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from neutron.db import l3_dvr_db
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from neutron import manager
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from neutron.plugins.common import constants as plugin_const
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from neutron.tests.unit import testlib_api
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_uuid = uuidutils.generate_uuid
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class L3DvrTestCase(testlib_api.SqlTestCase):
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def setUp(self):
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super(L3DvrTestCase, self).setUp()
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self.ctx = context.get_admin_context()
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self.mixin = l3_dvr_db.L3_NAT_with_dvr_db_mixin()
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def _create_router(self, router):
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with self.ctx.session.begin(subtransactions=True):
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return self.mixin._create_router_db(self.ctx, router, 'foo_tenant')
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def _test__create_router_db(self, expected=False, distributed=None):
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router = {'name': 'foo_router', 'admin_state_up': True}
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if distributed is not None:
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router['distributed'] = distributed
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result = self._create_router(router)
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self.assertEqual(expected, result.extra_attributes['distributed'])
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def test_router_id_query(self):
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# need to create an object that has the common db method required
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class DVRwithCommon(l3_dvr_db.L3_NAT_with_dvr_db_mixin,
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common_db_mixin.CommonDbMixin):
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pass
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self.mixin = DVRwithCommon()
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routers = [self._create_router({'name': '%s' % x,
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'admin_state_up': True})
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for x in range(10)]
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expected = [router['id'] for router in routers]
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router_ids = self.mixin._get_router_ids(self.ctx)
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self.assertEqual(sorted(expected), sorted(router_ids))
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def test_create_router_db_default(self):
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self._test__create_router_db(expected=False)
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def test_create_router_db_centralized(self):
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self._test__create_router_db(expected=False, distributed=False)
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def test_create_router_db_distributed(self):
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self._test__create_router_db(expected=True, distributed=True)
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def test__validate_router_migration_on_router_update(self):
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router = {
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'name': 'foo_router',
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'admin_state_up': True,
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'distributed': True
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}
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router_db = self._create_router(router)
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self.assertIsNone(self.mixin._validate_router_migration(
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self.ctx, router_db, {'name': 'foo_router_2'}))
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def test__validate_router_migration_raise_error(self):
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router = {
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'name': 'foo_router',
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'admin_state_up': True,
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'distributed': True
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}
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router_db = self._create_router(router)
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self.assertRaises(exceptions.NotSupported,
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self.mixin._validate_router_migration,
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self.ctx, router_db, {'distributed': False})
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def test_update_router_db_centralized_to_distributed(self):
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router = {'name': 'foo_router', 'admin_state_up': True}
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agent = {'id': _uuid()}
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distributed = {'distributed': True}
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router_db = self._create_router(router)
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router_id = router_db['id']
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self.assertFalse(router_db.extra_attributes.distributed)
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self.mixin._get_router = mock.Mock(return_value=router_db)
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self.mixin._validate_router_migration = mock.Mock()
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self.mixin._update_distributed_attr = mock.Mock()
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self.mixin.list_l3_agents_hosting_router = mock.Mock(
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return_value={'agents': [agent]})
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self.mixin._unbind_router = mock.Mock()
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router_db = self.mixin._update_router_db(
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self.ctx, router_id, distributed, mock.ANY)
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# Assert that the DB value has changed
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self.assertTrue(router_db.extra_attributes.distributed)
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self.assertEqual(1,
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self.mixin._update_distributed_attr.call_count)
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def _test_get_device_owner(self, is_distributed=False,
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expected=l3_const.DEVICE_OWNER_ROUTER_INTF,
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pass_router_id=True):
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router = {
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'name': 'foo_router',
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'admin_state_up': True,
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'distributed': is_distributed
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}
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router_db = self._create_router(router)
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router_pass = router_db['id'] if pass_router_id else router_db
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with mock.patch.object(self.mixin, '_get_router') as f:
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f.return_value = router_db
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result = self.mixin._get_device_owner(self.ctx, router_pass)
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self.assertEqual(expected, result)
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def test_get_device_owner_by_router_id(self):
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self._test_get_device_owner()
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def test__get_device_owner_centralized(self):
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self._test_get_device_owner(pass_router_id=False)
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def test__get_device_owner_distributed(self):
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self._test_get_device_owner(
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is_distributed=True,
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expected=l3_dvr_db.DEVICE_OWNER_DVR_INTERFACE,
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pass_router_id=False)
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def _test__is_distributed_router(self, router, expected):
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result = l3_dvr_db.is_distributed_router(router)
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self.assertEqual(expected, result)
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def test__is_distributed_router_by_db_object(self):
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router = {'name': 'foo_router', 'admin_state_up': True}
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router_db = self._create_router(router)
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self.mixin._get_device_owner(mock.ANY, router_db)
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def test__is_distributed_router_default(self):
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router = {'id': 'foo_router_id'}
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self._test__is_distributed_router(router, False)
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def test__is_distributed_router_centralized(self):
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router = {'id': 'foo_router_id', 'distributed': False}
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self._test__is_distributed_router(router, False)
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def test__is_distributed_router_distributed(self):
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router = {'id': 'foo_router_id', 'distributed': True}
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self._test__is_distributed_router(router, True)
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def test__get_agent_gw_ports_exist_for_network(self):
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with mock.patch.object(manager.NeutronManager, 'get_plugin') as gp:
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plugin = mock.Mock()
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gp.return_value = plugin
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plugin.get_ports.return_value = []
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self.mixin._get_agent_gw_ports_exist_for_network(
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self.ctx, 'network_id', 'host', 'agent_id')
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plugin.get_ports.assert_called_with(self.ctx, {
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'network_id': ['network_id'],
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'device_id': ['agent_id'],
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'device_owner': [l3_const.DEVICE_OWNER_AGENT_GW]})
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def _test_prepare_direct_delete_dvr_internal_ports(self, port):
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with mock.patch.object(manager.NeutronManager, 'get_plugin') as gp:
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plugin = mock.Mock()
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gp.return_value = plugin
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plugin._get_port.return_value = port
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self.assertRaises(exceptions.ServicePortInUse,
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self.mixin.prevent_l3_port_deletion,
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self.ctx,
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port['id'])
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def test_prevent__delete_floatingip_agent_gateway_port(self):
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port = {
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'id': 'my_port_id',
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'fixed_ips': mock.ANY,
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'device_owner': l3_const.DEVICE_OWNER_AGENT_GW
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}
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self._test_prepare_direct_delete_dvr_internal_ports(port)
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def test_prevent_delete_csnat_port(self):
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port = {
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'id': 'my_port_id',
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'fixed_ips': mock.ANY,
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'device_owner': l3_const.DEVICE_OWNER_ROUTER_SNAT
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}
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self._test_prepare_direct_delete_dvr_internal_ports(port)
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def test__create_gw_port_with_no_gateway(self):
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router = {
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'name': 'foo_router',
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'admin_state_up': True,
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'distributed': True,
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}
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router_db = self._create_router(router)
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router_id = router_db['id']
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self.assertTrue(router_db.extra_attributes.distributed)
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with mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'_create_gw_port'),\
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mock.patch.object(
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self.mixin,
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'_create_snat_intf_ports_if_not_exists') as cs:
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self.mixin._create_gw_port(
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self.ctx, router_id, router_db, mock.ANY,
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mock.ANY)
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self.assertFalse(cs.call_count)
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def test_build_routers_list_with_gw_port_mismatch(self):
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routers = [{'gw_port_id': 'foo_gw_port_id', 'id': 'foo_router_id'}]
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gw_ports = {}
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routers = self.mixin._build_routers_list(self.ctx, routers, gw_ports)
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self.assertIsNone(routers[0].get('gw_port'))
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def test__clear_unused_fip_agent_gw_port(self):
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floatingip = {
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'id': _uuid(),
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'fixed_port_id': _uuid(),
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'floating_network_id': _uuid()
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}
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with mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'_get_floatingip') as gfips,\
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mock.patch.object(self.mixin, '_get_vm_port_hostid') as gvm,\
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mock.patch.object(
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self.mixin,
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'_check_fips_availability_on_host_ext_net') as cfips,\
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mock.patch.object(
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self.mixin,
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'_delete_floatingip_agent_gateway_port') as dfips:
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gfips.return_value = floatingip
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gvm.return_value = 'my-host'
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cfips.return_value = True
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self.mixin._clear_unused_fip_agent_gw_port(
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self.ctx, floatingip)
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self.assertTrue(dfips.called)
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self.assertTrue(cfips.called)
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self.assertTrue(gvm.called)
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def setup_port_has_ipv6_address(self, port):
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with mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'_port_has_ipv6_address') as pv6:
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pv6.return_value = True
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result = self.mixin._port_has_ipv6_address(port)
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return result, pv6
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def test__port_has_ipv6_address_for_dvr_snat_port(self):
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port = {
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'id': 'my_port_id',
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'device_owner': l3_const.DEVICE_OWNER_ROUTER_SNAT,
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}
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result, pv6 = self.setup_port_has_ipv6_address(port)
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self.assertFalse(result)
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self.assertFalse(pv6.called)
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def test__port_has_ipv6_address_for_non_snat_ports(self):
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port = {
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'id': 'my_port_id',
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'device_owner': l3_const.DEVICE_OWNER_DVR_INTERFACE,
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}
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result, pv6 = self.setup_port_has_ipv6_address(port)
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self.assertTrue(result)
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self.assertTrue(pv6.called)
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def test__delete_floatingip_agent_gateway_port(self):
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port = {
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'id': 'my_port_id',
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'binding:host_id': 'foo_host',
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'network_id': 'ext_network_id',
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'device_owner': l3_const.DEVICE_OWNER_AGENT_GW
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}
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with mock.patch.object(manager.NeutronManager, 'get_plugin') as gp,\
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mock.patch.object(self.mixin,
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'_get_vm_port_hostid') as vm_host:
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plugin = mock.Mock()
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gp.return_value = plugin
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plugin.get_ports.return_value = [port]
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vm_host.return_value = 'foo_host'
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self.mixin._delete_floatingip_agent_gateway_port(
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self.ctx, 'foo_host', 'network_id')
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plugin.get_ports.assert_called_with(self.ctx, filters={
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'network_id': ['network_id'],
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'device_owner': [l3_const.DEVICE_OWNER_AGENT_GW]})
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plugin.ipam.delete_port.assert_called_with(self.ctx, 'my_port_id')
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def _delete_floatingip_test_setup(self, floatingip):
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fip_id = floatingip['id']
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with mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'_get_floatingip') as gf,\
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mock.patch.object(self.mixin,
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'_clear_unused_fip_agent_gw_port') as vf,\
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mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'delete_floatingip'):
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gf.return_value = floatingip
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self.mixin.delete_floatingip(self.ctx, fip_id)
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return vf
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def _disassociate_floatingip_setup(self, port_id=None, floatingip=None):
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with mock.patch.object(self.mixin, '_get_floatingip_on_port') as gf,\
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mock.patch.object(self.mixin,
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'_clear_unused_fip_agent_gw_port') as vf:
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gf.return_value = floatingip
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self.mixin.disassociate_floatingips(
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self.ctx, port_id, do_notify=False)
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return vf
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def test_disassociate_floatingip_with_vm_port(self):
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port_id = '1234'
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floatingip = {
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'id': _uuid(),
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'fixed_port_id': 1234,
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'floating_network_id': _uuid()
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}
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mock_disassociate_fip = self._disassociate_floatingip_setup(
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port_id=port_id, floatingip=floatingip)
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self.assertTrue(mock_disassociate_fip.called)
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def test_disassociate_floatingip_with_no_vm_port(self):
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mock_disassociate_fip = self._disassociate_floatingip_setup()
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self.assertFalse(mock_disassociate_fip.called)
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def test_delete_floatingip_without_internal_port(self):
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floatingip = {
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'id': _uuid(),
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'fixed_port_id': None,
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'floating_network_id': _uuid()
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}
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mock_fip_clear = self._delete_floatingip_test_setup(floatingip)
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self.assertFalse(mock_fip_clear.call_count)
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def test_delete_floatingip_with_internal_port(self):
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floatingip = {
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'id': _uuid(),
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'fixed_port_id': _uuid(),
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'floating_network_id': _uuid()
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}
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mock_fip_clear = self._delete_floatingip_test_setup(floatingip)
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self.assertTrue(mock_fip_clear.called)
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def _floatingip_on_port_test_setup(self, hostid):
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router = {'id': 'foo_router_id', 'distributed': True}
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floatingip = {
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'id': _uuid(),
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'port_id': _uuid(),
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'router_id': 'foo_router_id',
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'host': hostid
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}
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if not hostid:
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hostid = 'not_my_host_id'
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routers = {
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'foo_router_id': router
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}
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fipagent = {
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'id': _uuid()
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}
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# NOTE: mock.patch is not needed here since self.mixin is created fresh
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# for each test. It doesn't work with some methods since the mixin is
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# tested in isolation (e.g. _get_agent_by_type_and_host).
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self.mixin._get_vm_port_hostid = mock.Mock(return_value=hostid)
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self.mixin._get_agent_by_type_and_host = mock.Mock(
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return_value=fipagent)
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self.mixin._get_fip_sync_interfaces = mock.Mock(
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return_value='fip_interface')
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agent = mock.Mock()
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agent.id = fipagent['id']
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self.mixin._process_floating_ips_dvr(self.ctx, routers, [floatingip],
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hostid, agent)
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return (router, floatingip)
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def test_floatingip_on_port_not_host(self):
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router, fip = self._floatingip_on_port_test_setup(None)
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self.assertNotIn(l3_const.FLOATINGIP_KEY, router)
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self.assertNotIn(l3_const.FLOATINGIP_AGENT_INTF_KEY, router)
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def test_floatingip_on_port_with_host(self):
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router, fip = self._floatingip_on_port_test_setup(_uuid())
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self.assertTrue(self.mixin._get_fip_sync_interfaces.called)
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self.assertIn(l3_const.FLOATINGIP_KEY, router)
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self.assertIn(l3_const.FLOATINGIP_AGENT_INTF_KEY, router)
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self.assertIn(fip, router[l3_const.FLOATINGIP_KEY])
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self.assertIn('fip_interface',
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router[l3_const.FLOATINGIP_AGENT_INTF_KEY])
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def test_delete_disassociated_floatingip_agent_port(self):
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fip = {
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'id': _uuid(),
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'port_id': None
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}
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floatingip = {
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'id': _uuid(),
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'fixed_port_id': 1234,
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'router_id': 'foo_router_id'
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}
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router = {'id': 'foo_router_id', 'distributed': True}
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with mock.patch.object(self.mixin, 'get_router') as grtr,\
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mock.patch.object(self.mixin,
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'_clear_unused_fip_agent_gw_port') as vf,\
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mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'_update_fip_assoc'):
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grtr.return_value = router
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self.mixin._update_fip_assoc(
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self.ctx, fip, floatingip, mock.ANY)
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self.assertTrue(vf.called)
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def _setup_test_create_delete_floatingip(
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self, fip, floatingip_db, router_db):
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port = {
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'id': '1234',
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'binding:host_id': 'myhost',
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'network_id': 'external_net'
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}
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with mock.patch.object(self.mixin, 'get_router') as grtr,\
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mock.patch.object(self.mixin, '_get_vm_port_hostid') as vmp,\
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mock.patch.object(self.mixin,
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'_clear_unused_fip_agent_gw_port') as d_fip,\
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mock.patch.object(
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self.mixin,
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'create_fip_agent_gw_port_if_not_exists') as c_fip,\
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mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
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'_update_fip_assoc'):
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grtr.return_value = router_db
|
|
vmp.return_value = 'my-host'
|
|
self.mixin._update_fip_assoc(
|
|
self.ctx, fip, floatingip_db, port)
|
|
return d_fip, c_fip
|
|
|
|
def test_create_floatingip_agent_gw_port_with_dvr_router(self):
|
|
floatingip = {
|
|
'id': _uuid(),
|
|
'router_id': 'foo_router_id'
|
|
}
|
|
router = {'id': 'foo_router_id', 'distributed': True}
|
|
fip = {
|
|
'id': _uuid(),
|
|
'port_id': _uuid()
|
|
}
|
|
delete_fip, create_fip = (
|
|
self._setup_test_create_delete_floatingip(
|
|
fip, floatingip, router))
|
|
self.assertTrue(create_fip.called)
|
|
self.assertFalse(delete_fip.called)
|
|
|
|
def test_create_floatingip_agent_gw_port_with_non_dvr_router(self):
|
|
floatingip = {
|
|
'id': _uuid(),
|
|
'router_id': 'foo_router_id'
|
|
}
|
|
router = {'id': 'foo_router_id', 'distributed': False}
|
|
fip = {
|
|
'id': _uuid(),
|
|
'port_id': _uuid()
|
|
}
|
|
delete_fip, create_fip = (
|
|
self._setup_test_create_delete_floatingip(
|
|
fip, floatingip, router))
|
|
self.assertFalse(create_fip.called)
|
|
self.assertFalse(delete_fip.called)
|
|
|
|
def test_delete_floatingip_agent_gw_port_with_dvr_router(self):
|
|
floatingip = {
|
|
'id': _uuid(),
|
|
'fixed_port_id': 1234,
|
|
'router_id': 'foo_router_id'
|
|
}
|
|
router = {'id': 'foo_router_id', 'distributed': True}
|
|
fip = {
|
|
'id': _uuid(),
|
|
'port_id': None
|
|
}
|
|
delete_fip, create_fip = (
|
|
self._setup_test_create_delete_floatingip(
|
|
fip, floatingip, router))
|
|
self.assertTrue(delete_fip.called)
|
|
self.assertFalse(create_fip.called)
|
|
|
|
def test_delete_floatingip_agent_gw_port_with_non_dvr_router(self):
|
|
floatingip = {
|
|
'id': _uuid(),
|
|
'fixed_port_id': 1234,
|
|
'router_id': 'foo_router_id'
|
|
}
|
|
router = {'id': 'foo_router_id', 'distributed': False}
|
|
fip = {
|
|
'id': _uuid(),
|
|
'port_id': None
|
|
}
|
|
delete_fip, create_fip = (
|
|
self._setup_test_create_delete_floatingip(
|
|
fip, floatingip, router))
|
|
self.assertFalse(create_fip.called)
|
|
self.assertFalse(delete_fip.called)
|
|
|
|
def test_remove_router_interface_delete_router_l3agent_binding(self):
|
|
interface_info = {'subnet_id': '123'}
|
|
router = mock.MagicMock()
|
|
router.extra_attributes.distributed = True
|
|
plugin = mock.MagicMock()
|
|
plugin.get_l3_agents_hosting_routers = mock.Mock(
|
|
return_value=[mock.MagicMock()])
|
|
plugin.check_ports_exist_on_l3agent = mock.Mock(
|
|
return_value=False)
|
|
plugin.remove_router_from_l3_agent = mock.Mock(
|
|
return_value=None)
|
|
with mock.patch.object(self.mixin, '_get_router') as grtr,\
|
|
mock.patch.object(self.mixin, '_get_device_owner') as gdev,\
|
|
mock.patch.object(self.mixin,
|
|
'_remove_interface_by_subnet') as rmintf,\
|
|
mock.patch.object(
|
|
self.mixin,
|
|
'delete_csnat_router_interface_ports') as delintf,\
|
|
mock.patch.object(manager.NeutronManager,
|
|
'get_service_plugins') as gplugin,\
|
|
mock.patch.object(self.mixin,
|
|
'_make_router_interface_info') as mkintf,\
|
|
mock.patch.object(self.mixin,
|
|
'notify_router_interface_action') as notify:
|
|
grtr.return_value = router
|
|
gdev.return_value = mock.Mock()
|
|
rmintf.return_value = (mock.MagicMock(), mock.MagicMock())
|
|
mkintf.return_value = mock.Mock()
|
|
gplugin.return_value = {plugin_const.L3_ROUTER_NAT: plugin}
|
|
delintf.return_value = None
|
|
notify.return_value = None
|
|
|
|
self.mixin.manager = manager
|
|
self.mixin.remove_router_interface(
|
|
self.ctx, mock.Mock(), interface_info)
|
|
self.assertTrue(plugin.get_l3_agents_hosting_routers.called)
|
|
self.assertTrue(plugin.check_ports_exist_on_l3agent.called)
|
|
self.assertTrue(plugin.remove_router_from_l3_agent.called)
|
|
|
|
def test__validate_router_migration_notify_advanced_services(self):
|
|
router = {'name': 'foo_router', 'admin_state_up': True}
|
|
router_db = self._create_router(router)
|
|
with mock.patch.object(l3_dvr_db.registry, 'notify') as mock_notify:
|
|
self.mixin._validate_router_migration(
|
|
self.ctx, router_db, {'distributed': True})
|
|
kwargs = {'context': self.ctx, 'router': router_db}
|
|
mock_notify.assert_called_once_with(
|
|
'router', 'before_update', self.mixin, **kwargs)
|