155 lines
7.0 KiB
Python
155 lines
7.0 KiB
Python
# Copyright (c) 2013 Red Hat, Inc.
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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 datetime
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import mock
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from neutron.api.rpc.agentnotifiers import dhcp_rpc_agent_api
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from neutron.common import utils
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from neutron.db import agents_db
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from neutron.openstack.common import timeutils
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from neutron.tests import base
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class TestDhcpAgentNotifyAPI(base.BaseTestCase):
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def setUp(self):
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super(TestDhcpAgentNotifyAPI, self).setUp()
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self.notifier = (
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dhcp_rpc_agent_api.DhcpAgentNotifyAPI(plugin=mock.Mock()))
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mock_util_p = mock.patch.object(utils, 'is_extension_supported')
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mock_log_p = mock.patch.object(dhcp_rpc_agent_api, 'LOG')
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mock_fanout_p = mock.patch.object(self.notifier, '_fanout_message')
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mock_cast_p = mock.patch.object(self.notifier, '_cast_message')
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self.mock_util = mock_util_p.start()
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self.mock_log = mock_log_p.start()
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self.mock_fanout = mock_fanout_p.start()
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self.mock_cast = mock_cast_p.start()
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def _test__schedule_network(self, network,
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new_agents=None, existing_agents=None,
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expected_casts=0, expected_warnings=0):
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self.notifier.plugin.schedule_network.return_value = new_agents
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agents = self.notifier._schedule_network(
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mock.ANY, network, existing_agents)
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if new_agents is None:
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new_agents = []
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self.assertEqual(new_agents + existing_agents, agents)
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self.assertEqual(expected_casts, self.mock_cast.call_count)
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self.assertEqual(expected_warnings, self.mock_log.warn.call_count)
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def test__schedule_network(self):
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agent = agents_db.Agent()
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agent.admin_state_up = True
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agent.heartbeat_timestamp = timeutils.utcnow()
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network = {'id': 'foo_net_id'}
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self._test__schedule_network(network,
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new_agents=[agent], existing_agents=[],
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expected_casts=1, expected_warnings=0)
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def test__schedule_network_no_existing_agents(self):
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agent = agents_db.Agent()
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agent.admin_state_up = True
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agent.heartbeat_timestamp = timeutils.utcnow()
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network = {'id': 'foo_net_id'}
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self._test__schedule_network(network,
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new_agents=None, existing_agents=[agent],
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expected_casts=0, expected_warnings=0)
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def test__schedule_network_no_new_agents(self):
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network = {'id': 'foo_net_id'}
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self._test__schedule_network(network,
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new_agents=None, existing_agents=[],
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expected_casts=0, expected_warnings=1)
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def _test__get_enabled_agents(self, network,
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agents=None, port_count=0,
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expected_warnings=0, expected_errors=0):
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self.notifier.plugin.get_ports_count.return_value = port_count
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enabled_agents = self.notifier._get_enabled_agents(
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mock.ANY, network, agents, mock.ANY, mock.ANY)
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self.assertEqual(agents, enabled_agents)
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self.assertEqual(expected_warnings, self.mock_log.warn.call_count)
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self.assertEqual(expected_errors, self.mock_log.error.call_count)
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def test__get_enabled_agents(self):
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agent = agents_db.Agent()
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agent.admin_state_up = True
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agent.heartbeat_timestamp = timeutils.utcnow()
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network = {'id': 'foo_network_id'}
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self._test__get_enabled_agents(network, agents=[agent])
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def test__get_enabled_agents_with_inactive_ones(self):
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agent1 = agents_db.Agent()
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agent1.admin_state_up = True
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agent1.heartbeat_timestamp = timeutils.utcnow()
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agent2 = agents_db.Agent()
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agent2.admin_state_up = True
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# This is effectively an inactive agent
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agent2.heartbeat_timestamp = datetime.datetime(2000, 1, 1, 0, 0)
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network = {'id': 'foo_network_id'}
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self._test__get_enabled_agents(network,
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agents=[agent1, agent2],
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expected_warnings=1, expected_errors=0)
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def test__get_enabled_agents_with_notification_required(self):
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network = {'id': 'foo_network_id', 'subnets': ['foo_subnet_id']}
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self._test__get_enabled_agents(network, [], port_count=20,
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expected_warnings=0, expected_errors=1)
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def test__notify_agents_fanout_required(self):
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self.notifier._notify_agents(mock.ANY,
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'network_delete_end',
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mock.ANY, 'foo_network_id')
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self.assertEqual(1, self.mock_fanout.call_count)
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def _test__notify_agents(self, method,
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expected_scheduling=0, expected_casts=0):
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with mock.patch.object(self.notifier, '_schedule_network') as f:
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with mock.patch.object(self.notifier, '_get_enabled_agents') as g:
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agent = agents_db.Agent()
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agent.admin_state_up = True
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agent.heartbeat_timestamp = timeutils.utcnow()
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g.return_value = [agent]
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self.notifier._notify_agents(mock.Mock(), method,
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mock.ANY, 'foo_network_id')
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self.assertEqual(expected_scheduling, f.call_count)
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self.assertEqual(expected_casts, self.mock_cast.call_count)
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def test__notify_agents_cast_required_with_scheduling(self):
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self._test__notify_agents('port_create_end',
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expected_scheduling=1, expected_casts=1)
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def test__notify_agents_cast_required_wo_scheduling_on_port_update(self):
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self._test__notify_agents('port_update_end',
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expected_scheduling=0, expected_casts=1)
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def test__notify_agents_cast_required_wo_scheduling_on_subnet_create(self):
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self._test__notify_agents('subnet_create_end',
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expected_scheduling=0, expected_casts=1)
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def test__notify_agents_no_action(self):
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self._test__notify_agents('network_create_end',
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expected_scheduling=0, expected_casts=0)
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def test__fanout_message(self):
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self.notifier._fanout_message(mock.ANY, mock.ANY, mock.ANY)
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self.assertEqual(1, self.mock_fanout.call_count)
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def test__cast_message(self):
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self.notifier._cast_message(mock.ANY, mock.ANY, mock.ANY)
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self.assertEqual(1, self.mock_cast.call_count)
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