178 lines
7.6 KiB
Python
178 lines
7.6 KiB
Python
# Copyright (c) 2012 OpenStack Foundation.
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# 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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import weakref
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import fixtures
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from oslo_config import cfg
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from neutron import manager
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from neutron.plugins.common import constants
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from neutron.tests import base
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from neutron.tests.unit import dummy_plugin
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from neutron.tests.unit import testlib_api
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DB_PLUGIN_KLASS = 'neutron.db.db_base_plugin_v2.NeutronDbPluginV2'
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class MultiServiceCorePlugin(object):
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supported_extension_aliases = ['lbaas', 'dummy']
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class CorePluginWithAgentNotifiers(object):
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agent_notifiers = {'l3': 'l3_agent_notifier',
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'dhcp': 'dhcp_agent_notifier'}
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class NeutronManagerTestCase(base.BaseTestCase):
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def setUp(self):
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super(NeutronManagerTestCase, self).setUp()
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self.config_parse()
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self.setup_coreplugin()
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self.useFixture(
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fixtures.MonkeyPatch('neutron.manager.NeutronManager._instance'))
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def test_service_plugin_is_loaded(self):
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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cfg.CONF.set_override("service_plugins",
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["neutron.tests.unit.dummy_plugin."
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"DummyServicePlugin"])
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mgr = manager.NeutronManager.get_instance()
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plugin = mgr.get_service_plugins()[constants.DUMMY]
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self.assertIsInstance(
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plugin, dummy_plugin.DummyServicePlugin,
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"loaded plugin should be of type neutronDummyPlugin")
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def test_service_plugin_by_name_is_loaded(self):
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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cfg.CONF.set_override("service_plugins", ["dummy"])
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mgr = manager.NeutronManager.get_instance()
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plugin = mgr.get_service_plugins()[constants.DUMMY]
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self.assertIsInstance(
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plugin, dummy_plugin.DummyServicePlugin,
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"loaded plugin should be of type neutronDummyPlugin")
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def test_multiple_plugins_specified_for_service_type(self):
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cfg.CONF.set_override("service_plugins",
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["neutron.tests.unit.dummy_plugin."
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"DummyServicePlugin",
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"neutron.tests.unit.dummy_plugin."
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"DummyServicePlugin"])
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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e = self.assertRaises(ValueError, manager.NeutronManager.get_instance)
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self.assertIn(constants.DUMMY, str(e))
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def test_multiple_plugins_by_name_specified_for_service_type(self):
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cfg.CONF.set_override("service_plugins", ["dummy", "dummy"])
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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self.assertRaises(ValueError, manager.NeutronManager.get_instance)
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def test_multiple_plugins_mixed_specified_for_service_type(self):
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cfg.CONF.set_override("service_plugins",
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["neutron.tests.unit.dummy_plugin."
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"DummyServicePlugin", "dummy"])
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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self.assertRaises(ValueError, manager.NeutronManager.get_instance)
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def test_service_plugin_conflicts_with_core_plugin(self):
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cfg.CONF.set_override("service_plugins",
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["neutron.tests.unit.dummy_plugin."
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"DummyServicePlugin"])
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cfg.CONF.set_override("core_plugin",
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"neutron.tests.unit.test_manager."
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"MultiServiceCorePlugin")
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e = self.assertRaises(ValueError, manager.NeutronManager.get_instance)
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self.assertIn(constants.DUMMY, str(e))
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def test_core_plugin_supports_services(self):
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cfg.CONF.set_override("core_plugin",
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"neutron.tests.unit.test_manager."
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"MultiServiceCorePlugin")
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mgr = manager.NeutronManager.get_instance()
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svc_plugins = mgr.get_service_plugins()
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self.assertEqual(3, len(svc_plugins))
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self.assertIn(constants.CORE, svc_plugins.keys())
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self.assertIn(constants.LOADBALANCER, svc_plugins.keys())
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self.assertIn(constants.DUMMY, svc_plugins.keys())
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def test_load_default_service_plugins(self):
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self.patched_default_svc_plugins.return_value = {
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'neutron.tests.unit.dummy_plugin.DummyServicePlugin': 'DUMMY'
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}
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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mgr = manager.NeutronManager.get_instance()
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svc_plugins = mgr.get_service_plugins()
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self.assertIn('DUMMY', svc_plugins)
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def test_post_plugin_validation(self):
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cfg.CONF.import_opt('dhcp_agents_per_network',
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'neutron.db.agentschedulers_db')
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self.assertIsNone(manager.validate_post_plugin_load())
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cfg.CONF.set_override('dhcp_agents_per_network', 2)
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self.assertIsNone(manager.validate_post_plugin_load())
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cfg.CONF.set_override('dhcp_agents_per_network', 0)
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self.assertIsNotNone(manager.validate_post_plugin_load())
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cfg.CONF.set_override('dhcp_agents_per_network', -1)
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self.assertIsNotNone(manager.validate_post_plugin_load())
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def test_pre_plugin_validation(self):
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self.assertIsNotNone(manager.validate_pre_plugin_load())
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cfg.CONF.set_override('core_plugin', 'dummy.plugin')
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self.assertIsNone(manager.validate_pre_plugin_load())
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def test_manager_gathers_agent_notifiers_from_service_plugins(self):
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cfg.CONF.set_override("service_plugins",
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["neutron.tests.unit.dummy_plugin."
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"DummyServicePlugin"])
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cfg.CONF.set_override("core_plugin",
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"neutron.tests.unit.test_manager."
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"CorePluginWithAgentNotifiers")
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expected = {'l3': 'l3_agent_notifier',
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'dhcp': 'dhcp_agent_notifier',
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'dummy': 'dummy_agent_notifier'}
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core_plugin = manager.NeutronManager.get_plugin()
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self.assertEqual(expected, core_plugin.agent_notifiers)
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def test_load_class_for_provider(self):
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manager.NeutronManager.load_class_for_provider(
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'neutron.core_plugins', 'ml2')
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def test_load_class_for_provider_wrong_plugin(self):
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with testlib_api.ExpectedException(ImportError):
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manager.NeutronManager.load_class_for_provider(
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'neutron.core_plugins', 'ml2XXXXXX')
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def test_get_service_plugin_by_path_prefix_3(self):
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cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
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nm = manager.NeutronManager.get_instance()
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class pclass(object):
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def __init__(self, path_prefix):
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self.path_prefix = path_prefix
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x_plugin, y_plugin = pclass('xpa'), pclass('ypa')
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nm.service_plugins['x'], nm.service_plugins['y'] = x_plugin, y_plugin
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self.assertEqual(weakref.proxy(x_plugin),
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nm.get_service_plugin_by_path_prefix('xpa'))
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self.assertEqual(weakref.proxy(y_plugin),
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nm.get_service_plugin_by_path_prefix('ypa'))
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self.assertIsNone(nm.get_service_plugin_by_path_prefix('abc'))
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