OpenStack Networking (Neutron)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

267 lines
12 KiB

# Copyright (c) 2012 OpenStack Foundation.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from unittest import mock
import weakref
import fixtures
from neutron_lib.plugins import constants as lib_const
from neutron_lib.plugins import directory
from oslo_config import cfg
from neutron import manager
from neutron.plugins.common import constants
from neutron.tests import base
from neutron.tests.unit import dummy_plugin
from neutron.tests.unit import testlib_api
DB_PLUGIN_KLASS = 'neutron.db.db_base_plugin_v2.NeutronDbPluginV2'
class MultiServiceCorePlugin(object):
supported_extension_aliases = ['fwaas', dummy_plugin.Dummy.get_alias()]
class CorePluginWithAgentNotifiers(object):
supported_extension_aliases = []
agent_notifiers = {'l3': 'l3_agent_notifier',
'dhcp': 'dhcp_agent_notifier'}
class NeutronManagerTestCase(base.BaseTestCase):
def setUp(self):
ext_mapping = constants.EXT_TO_SERVICE_MAPPING
if dummy_plugin.Dummy.get_alias() not in ext_mapping:
ext_mapping[dummy_plugin.Dummy.get_alias()] = (
dummy_plugin.DUMMY_SERVICE_TYPE)
super(NeutronManagerTestCase, self).setUp()
self.config_parse()
self.setup_coreplugin(load_plugins=False)
self.useFixture(
fixtures.MonkeyPatch('neutron.manager.NeutronManager._instance'))
def tearDown(self):
ext_mapping = constants.EXT_TO_SERVICE_MAPPING
if dummy_plugin.Dummy.get_alias() in ext_mapping:
del ext_mapping[dummy_plugin.Dummy.get_alias()]
super(NeutronManagerTestCase, self).tearDown()
def test_service_plugin_is_loaded(self):
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
manager.init()
plugin = directory.get_plugin(dummy_plugin.DUMMY_SERVICE_TYPE)
self.assertIsInstance(
plugin, dummy_plugin.DummyServicePlugin,
"loaded plugin should be of type neutronDummyPlugin")
def test_service_plugin_by_name_is_loaded(self):
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
cfg.CONF.set_override("service_plugins",
[dummy_plugin.Dummy.get_alias()])
manager.init()
plugin = directory.get_plugin(dummy_plugin.DUMMY_SERVICE_TYPE)
self.assertIsInstance(
plugin, dummy_plugin.DummyServicePlugin,
"loaded plugin should be of type neutronDummyPlugin")
def test_multiple_plugins_specified_for_service_type(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin",
"neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# CORE, DUMMY
self.assertEqual(2, len(plugins))
def test_multiple_plugins_by_name_specified_for_service_type(self):
cfg.CONF.set_override("service_plugins",
[dummy_plugin.Dummy.get_alias(),
dummy_plugin.Dummy.get_alias()])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# CORE, DUMMY
self.assertEqual(2, len(plugins))
def test_multiple_plugins_mixed_specified_for_service_type(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin",
dummy_plugin.Dummy.get_alias()])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# CORE, DUMMY
self.assertEqual(2, len(plugins))
def test_service_plugin_conflicts_with_core_plugin(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin",
"neutron.tests.unit.test_manager."
"MultiServiceCorePlugin")
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# CORE, FIREWALL, DUMMY
self.assertEqual(3, len(plugins))
def test_load_plugins_with_requirements(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyWithRequireServicePlugin"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
with mock.patch(
"neutron.tests.unit.dummy_plugin.DummyServicePlugin.__init__",
return_value=None
) as dummy_init_mock, mock.patch(
"neutron.tests.unit.dummy_plugin."
"DummyWithRequireServicePlugin.__init__",
return_value=None
) as dummy_with_require_init_mock:
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# DUMMY will also be initialized since DUMMY_REQIURE needs it.
# CORE, DUMMY, DUMMY_REQIURE
self.assertEqual(3, len(plugins))
# ensure that DUMMY and DUMMY_REQIURE was instantiate only once:
self.assertEqual(1, dummy_init_mock.call_count)
self.assertEqual(1, dummy_with_require_init_mock.call_count)
def test_load_plugins_with_requirements_with_parent(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin",
"neutron.tests.unit.dummy_plugin."
"DummyWithRequireServicePlugin"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
with mock.patch(
"neutron.tests.unit.dummy_plugin.DummyServicePlugin.__init__",
return_value=None
) as dummy_init_mock, mock.patch(
"neutron.tests.unit.dummy_plugin."
"DummyWithRequireServicePlugin.__init__",
return_value=None
) as dummy_with_require_init_mock:
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# CORE, DUMMY, DUMMY_REQIURE
self.assertEqual(3, len(plugins))
# ensure that DUMMY and DUMMY_REQIURE was instantiate only once:
self.assertEqual(1, dummy_init_mock.call_count)
self.assertEqual(1, dummy_with_require_init_mock.call_count)
def test_load_plugins_with_requirements_child_first(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyWithRequireServicePlugin",
"neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
with mock.patch(
"neutron.tests.unit.dummy_plugin.DummyServicePlugin.__init__",
return_value=None
) as dummy_init_mock, mock.patch(
"neutron.tests.unit.dummy_plugin."
"DummyWithRequireServicePlugin.__init__",
return_value=None
) as dummy_with_require_init_mock:
manager.NeutronManager.get_instance()
plugins = directory.get_plugins()
# CORE, DUMMY, DUMMY_REQIURE
self.assertEqual(3, len(plugins))
# ensure that DUMMY and DUMMY_REQIURE was instantiate only once:
self.assertEqual(1, dummy_init_mock.call_count)
self.assertEqual(1, dummy_with_require_init_mock.call_count)
def test_core_plugin_supports_services(self):
cfg.CONF.set_override("core_plugin",
"neutron.tests.unit.test_manager."
"MultiServiceCorePlugin")
manager.init()
svc_plugins = directory.get_plugins()
self.assertEqual(3, len(svc_plugins))
self.assertIn(lib_const.CORE, svc_plugins.keys())
self.assertIn(dummy_plugin.DUMMY_SERVICE_TYPE, svc_plugins.keys())
def test_load_default_service_plugins(self):
self.patched_default_svc_plugins.return_value = {
'neutron.tests.unit.dummy_plugin.DummyServicePlugin':
dummy_plugin.DUMMY_SERVICE_TYPE
}
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
manager.init()
svc_plugins = directory.get_plugins()
self.assertIn(dummy_plugin.DUMMY_SERVICE_TYPE, svc_plugins)
def test_dhcp_agents_per_network_min(self):
# Ensures dhcp_agents_per_network must be at least 1.
self.assertRaises(ValueError, cfg.CONF.set_override,
'dhcp_agents_per_network', 0)
def test_pre_plugin_validation(self):
self.assertIsNotNone(manager.validate_pre_plugin_load())
cfg.CONF.set_override('core_plugin', 'dummy.plugin')
self.assertIsNone(manager.validate_pre_plugin_load())
def test_manager_gathers_agent_notifiers_from_service_plugins(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin",
"neutron.tests.unit.test_manager."
"CorePluginWithAgentNotifiers")
expected = {'l3': 'l3_agent_notifier',
'dhcp': 'dhcp_agent_notifier',
dummy_plugin.Dummy.get_alias(): 'dummy_agent_notifier'}
manager.init()
core_plugin = directory.get_plugin()
self.assertEqual(expected, core_plugin.agent_notifiers)
def test_load_class_for_provider(self):
manager.NeutronManager.load_class_for_provider(
'neutron.core_plugins', 'ml2')
def test_load_class_for_provider_wrong_plugin(self):
with testlib_api.ExpectedException(ImportError):
manager.NeutronManager.load_class_for_provider(
'neutron.core_plugins', 'ml2XXXXXX')
def test_get_service_plugin_by_path_prefix_3(self):
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
nm = manager.NeutronManager.get_instance()
class pclass(object):
def __init__(self, path_prefix):
self.path_prefix = path_prefix
x_plugin, y_plugin = pclass('xpa'), pclass('ypa')
directory.add_plugin('x', x_plugin)
directory.add_plugin('y', y_plugin)
self.assertEqual(weakref.proxy(x_plugin),
nm.get_service_plugin_by_path_prefix('xpa'))
self.assertEqual(weakref.proxy(y_plugin),
nm.get_service_plugin_by_path_prefix('ypa'))
self.assertIsNone(nm.get_service_plugin_by_path_prefix('abc'))