173 lines
6.8 KiB
Python
173 lines
6.8 KiB
Python
# Copyright (c) 2015 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import signal
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import mock
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from neutron_lib import constants as n_consts
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from oslo_utils import uuidutils
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from neutron.agent.l3 import ha_router
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from neutron.agent.l3 import router_info
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from neutron.tests import base
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from neutron.tests import tools
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_uuid = uuidutils.generate_uuid
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class TestBasicRouterOperations(base.BaseTestCase):
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def _create_router(self, router=None, **kwargs):
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if not router:
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router = mock.MagicMock()
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self.agent_conf = mock.Mock()
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self.router_id = _uuid()
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return ha_router.HaRouter(mock.sentinel.enqueue_state,
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mock.sentinel.agent,
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self.router_id,
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router,
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self.agent_conf,
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mock.sentinel.driver,
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**kwargs)
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def test_get_router_cidrs_returns_ha_cidrs(self):
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ri = self._create_router()
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device = mock.MagicMock()
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device.name.return_value = 'eth2'
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addresses = ['15.1.2.2/24', '15.1.2.3/32']
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ri._get_cidrs_from_keepalived = mock.MagicMock(return_value=addresses)
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self.assertEqual(set(addresses), ri.get_router_cidrs(device))
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def test__add_default_gw_virtual_route(self):
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ri = self._create_router()
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mock_instance = mock.Mock()
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mock_instance.virtual_routes.gateway_routes = []
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ri._get_keepalived_instance = mock.Mock(return_value=mock_instance)
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subnets = [{'id': _uuid(),
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'cidr': '20.0.0.0/24',
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'gateway_ip': None}]
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ex_gw_port = {'fixed_ips': [],
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'subnets': subnets,
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'extra_subnets': [],
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'id': _uuid(),
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'network_id': _uuid(),
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'mac_address': 'ca:fe:de:ad:be:ef'}
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# Make sure no exceptional code
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ri._add_default_gw_virtual_route(ex_gw_port, 'qg-abc')
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self.assertEqual(0, len(mock_instance.virtual_routes.gateway_routes))
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subnets.append({'id': _uuid(),
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'cidr': '30.0.0.0/24',
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'gateway_ip': '30.0.0.1'})
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ri._add_default_gw_virtual_route(ex_gw_port, 'qg-abc')
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self.assertEqual(1, len(mock_instance.virtual_routes.gateway_routes))
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subnets[1]['gateway_ip'] = None
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ri._add_default_gw_virtual_route(ex_gw_port, 'qg-abc')
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self.assertEqual(0, len(mock_instance.virtual_routes.gateway_routes))
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@mock.patch.object(router_info.RouterInfo, 'remove_floating_ip')
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def test_remove_floating_ip(self, super_remove_floating_ip):
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ri = self._create_router(mock.MagicMock())
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mock_instance = mock.Mock()
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ri._get_keepalived_instance = mock.Mock(return_value=mock_instance)
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device = mock.Mock()
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fip_cidr = '15.1.2.3/32'
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ri.remove_floating_ip(device, fip_cidr)
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self.assertTrue(super_remove_floating_ip.called)
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def test_destroy_state_change_monitor_ok(self):
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ri = self._create_router(mock.MagicMock())
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# need a port for destroy_state_change_monitor() to call PM code
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ri.ha_port = {'id': _uuid()}
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with mock.patch.object(ri,
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'_get_state_change_monitor_process_manager')\
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as m_get_state:
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mock_pm = m_get_state.return_value
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mock_pm.active = False
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ri.destroy_state_change_monitor(mock_pm)
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mock_pm.disable.assert_called_once_with(
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sig=str(int(signal.SIGTERM)))
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def test_destroy_state_change_monitor_force(self):
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ri = self._create_router(mock.MagicMock())
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# need a port for destroy_state_change_monitor() to call PM code
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ri.ha_port = {'id': _uuid()}
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with mock.patch.object(ri,
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'_get_state_change_monitor_process_manager')\
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as m_get_state:
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mock_pm = m_get_state.return_value
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mock_pm.active = False
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with mock.patch.object(ha_router, 'SIGTERM_TIMEOUT', 0):
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ri.destroy_state_change_monitor(mock_pm)
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calls = ["sig='str(%d)'" % signal.SIGTERM,
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"sig='str(%d)'" % signal.SIGKILL]
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mock_pm.disable.has_calls(calls)
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def _test_ha_state(self, read_return, expected):
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ri = self._create_router(mock.MagicMock())
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ri.keepalived_manager = mock.Mock()
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ri.keepalived_manager.get_full_config_file_path.return_value = (
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'ha_state')
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self.mock_open = self.useFixture(
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tools.OpenFixture('ha_state', read_return)).mock_open
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self.assertEqual(expected, ri.ha_state)
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def test_ha_state_master(self):
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self._test_ha_state('master', 'master')
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def test_ha_state_unknown(self):
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# an empty state file should yield 'unknown'
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self._test_ha_state('', 'unknown')
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def test_ha_state_ioerror(self):
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# an error reading the state file should yield 'unknown'
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ri = self._create_router(mock.MagicMock())
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ri.keepalived_manager = mock.Mock()
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ri.keepalived_manager.get_full_config_file_path.return_value = (
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'ha_state')
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self.mock_open = IOError
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self.assertEqual('unknown', ri.ha_state)
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def test_set_ha_port(self):
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ri = self._create_router()
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self.assertIsNone(ri.ha_port)
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ri.router = {}
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ri.set_ha_port()
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self.assertIsNone(ri.ha_port)
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# HA_INTERFACE_KEY from None to some value
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ri.router = {n_consts.HA_INTERFACE_KEY: {"id": _uuid(),
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"status": "DOWN"}}
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ri.set_ha_port()
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self.assertIsNotNone(ri.ha_port)
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self.assertEqual('DOWN', ri.ha_port["status"])
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# HA port state change
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ri.router = {n_consts.HA_INTERFACE_KEY: {"id": _uuid(),
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"status": "ACTIVE"}}
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ri.set_ha_port()
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self.assertIsNotNone(ri.ha_port)
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self.assertEqual('ACTIVE', ri.ha_port["status"])
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ri.router = {}
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ri.set_ha_port()
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# neutron server return empty HA_INTERFACE_KEY, but
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# agent side router info should remain the original value.
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self.assertIsNotNone(ri.ha_port)
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