180 lines
7.3 KiB
Python
180 lines
7.3 KiB
Python
# Copyright 2014 OneConvergence, Inc. All Rights Reserved.
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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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#
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# @author: Kedar Kulkarni, One Convergence, Inc.
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import contextlib
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import time
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import mock
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from oslo.config import cfg
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import testtools
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from neutron.agent.linux import ovs_lib
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from neutron.extensions import securitygroup as ext_sg
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from neutron.plugins.oneconvergence.agent import nvsd_neutron_agent
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from neutron.tests import base
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DAEMON_LOOP_COUNT = 5
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class TestOneConvergenceAgentBase(base.BaseTestCase):
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def setUp(self):
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super(TestOneConvergenceAgentBase, self).setUp()
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cfg.CONF.set_default('firewall_driver',
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'neutron.agent.firewall.NoopFirewallDriver',
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group='SECURITYGROUP')
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cfg.CONF.set_override('rpc_backend',
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'neutron.openstack.common.rpc.impl_fake')
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with contextlib.nested(
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mock.patch('neutron.openstack.common.loopingcall.'
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'FixedIntervalLoopingCall'),
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) as (loopingcall):
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kwargs = {'integ_br': 'integration_bridge',
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'root_helper': 'dummy_wrapper',
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'polling_interval': 5}
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context = mock.Mock()
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self.agent = nvsd_neutron_agent.NVSDNeutronAgent(**kwargs)
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self.sg_agent = nvsd_neutron_agent.SecurityGroupAgentRpc(
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context, 'dummy_wrapper')
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self.callback_nvsd = nvsd_neutron_agent.NVSDAgentRpcCallback(
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context, self.agent, self.sg_agent)
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self.loopingcall = loopingcall
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class TestOneConvergenceAgentCallback(TestOneConvergenceAgentBase):
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def test_port_update(self):
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with contextlib.nested(
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mock.patch.object(ovs_lib.OVSBridge, 'get_vif_port_by_id'),
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mock.patch.object(self.sg_agent, 'refresh_firewall')
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) as (get_vif_port_by_id, refresh_firewall):
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context = mock.Mock()
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vifport = ovs_lib.VifPort('port1', '1', 'id-1', 'mac-1',
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self.agent.int_br)
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# The OVS port does not exist.
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get_vif_port_by_id.return_value = None
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port = {'id': 'update-port-1'}
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self.callback_nvsd.port_update(context, port=port)
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self.assertEqual(get_vif_port_by_id.call_count, 1)
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self.assertFalse(refresh_firewall.call_count)
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# The OVS port exists but no security group is associated.
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get_vif_port_by_id.return_value = vifport
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port = {'id': 'update-port-1'}
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self.callback_nvsd.port_update(context, port=port)
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self.assertEqual(get_vif_port_by_id.call_count, 2)
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self.assertFalse(refresh_firewall.call_count)
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# The OVS port exists but a security group is associated.
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get_vif_port_by_id.return_value = vifport
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port = {'id': 'update-port-1',
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ext_sg.SECURITYGROUPS: ['default']}
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self.callback_nvsd.port_update(context, port=port)
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self.assertEqual(get_vif_port_by_id.call_count, 3)
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self.assertEqual(refresh_firewall.call_count, 1)
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get_vif_port_by_id.return_value = None
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port = {'id': 'update-port-1',
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ext_sg.SECURITYGROUPS: ['default']}
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self.callback_nvsd.port_update(context, port=port)
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self.assertEqual(get_vif_port_by_id.call_count, 4)
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self.assertEqual(refresh_firewall.call_count, 1)
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class TestNVSDAgent(TestOneConvergenceAgentBase):
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def _setup_mock(self):
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self.get_vif_ports = mock.patch.object(
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ovs_lib.OVSBridge, 'get_vif_port_set',
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return_value=set(['id-1', 'id-2'])).start()
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self.prepare_devices_filter = mock.patch.object(
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self.agent.sg_agent, 'prepare_devices_filter').start()
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self.remove_devices_filter = mock.patch.object(
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self.agent.sg_agent, 'remove_devices_filter').start()
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def test_daemon_loop(self):
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def state_check(index):
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self.assertEqual(len(self.vif_ports_scenario[index]),
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len(self.agent.ports))
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# Fake time.sleep to stop the infinite loop in daemon_loop()
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self.sleep_count = 0
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def sleep_mock(*args, **kwargs):
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state_check(self.sleep_count)
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self.sleep_count += 1
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if self.sleep_count >= DAEMON_LOOP_COUNT:
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raise RuntimeError()
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self.vif_ports_scenario = [set(), set(), set(), set(['id-1', 'id-2']),
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set(['id-2', 'id-3'])]
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# Ensure vif_ports_scenario is longer than DAEMON_LOOP_COUNT
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if len(self.vif_ports_scenario) < DAEMON_LOOP_COUNT:
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self.vif_ports_scenario.extend(
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[] for _i in xrange(DAEMON_LOOP_COUNT -
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len(self.vif_ports_scenario)))
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with contextlib.nested(
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mock.patch.object(time, 'sleep', side_effect=sleep_mock),
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mock.patch.object(ovs_lib.OVSBridge, 'get_vif_port_set'),
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mock.patch.object(self.agent.sg_agent, 'prepare_devices_filter'),
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mock.patch.object(self.agent.sg_agent, 'remove_devices_filter')
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) as (sleep, get_vif_port_set, prepare_devices_filter,
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remove_devices_filter):
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get_vif_port_set.side_effect = self.vif_ports_scenario
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with testtools.ExpectedException(RuntimeError):
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self.agent.daemon_loop()
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self.assertEqual(sleep.call_count, DAEMON_LOOP_COUNT)
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expected = [mock.call(set(['id-1', 'id-2'])),
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mock.call(set(['id-3']))]
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self.assertEqual(prepare_devices_filter.call_count, 2)
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prepare_devices_filter.assert_has_calls(expected)
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expected = [mock.call(set([])), mock.call(set(['id-1']))]
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self.assertEqual(remove_devices_filter.call_count, 2)
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remove_devices_filter.assert_has_calls(expected)
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sleep.assert_called_with(self.agent.polling_interval)
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class TestOneConvergenceAgentMain(base.BaseTestCase):
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def test_main(self):
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with contextlib.nested(
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mock.patch.object(nvsd_neutron_agent, 'NVSDNeutronAgent'),
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mock.patch('eventlet.monkey_patch'),
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mock.patch.object(nvsd_neutron_agent, 'logging_config'),
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mock.patch.object(nvsd_neutron_agent, 'config')
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) as (agent, eventlet, logging_config, config):
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config.AGENT.integration_bridge = 'br-int-dummy'
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config.AGENT.root_helper = 'root-helper'
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config.AGENT.polling_interval = 5
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nvsd_neutron_agent.main()
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self.assertTrue(eventlet.called)
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self.assertTrue(logging_config.setup_logging.called)
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agent.assert_has_calls([
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mock.call('br-int-dummy', 'root-helper', 5),
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mock.call().daemon_loop()
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])
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