0b0fe134c3
If there is a loadbalancer that sits between NSX and neutron usually it has a default http_timeout on long lived http_connections. This can cause connections that have not been used from neutron to nsx to be reset after sometime. This patch makes the amount time we wait to reconnect the connection configurable so one can set it to match the balancer timeout to avoid having to try the connection if the loadbalaner has already timed it out. closes-bug #1382000 Change-Id: Ifca76ca6c24a2002b46b1935fbb4fc63f15c5af1
251 lines
12 KiB
Python
251 lines
12 KiB
Python
# Copyright 2013 VMware, Inc.
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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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import fixtures
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import mock
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from oslo.config import cfg
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from neutron import manager
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from neutron.openstack.common import uuidutils
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from neutron.plugins.vmware.api_client import client
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from neutron.plugins.vmware.api_client import version
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from neutron.plugins.vmware.common import config # noqa
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from neutron.plugins.vmware.common import exceptions
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from neutron.plugins.vmware.common import sync
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from neutron.plugins.vmware import nsx_cluster
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from neutron.plugins.vmware.nsxlib import lsn as lsnlib
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from neutron.tests import base
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from neutron.tests.unit import vmware
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BASE_CONF_PATH = vmware.get_fake_conf('neutron.conf.test')
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NSX_INI_PATH = vmware.get_fake_conf('nsx.ini.basic.test')
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NSX_INI_FULL_PATH = vmware.get_fake_conf('nsx.ini.full.test')
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NSX_INI_AGENTLESS_PATH = vmware.get_fake_conf('nsx.ini.agentless.test')
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NSX_INI_COMBINED_PATH = vmware.get_fake_conf('nsx.ini.combined.test')
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NVP_INI_DEPR_PATH = vmware.get_fake_conf('nvp.ini.full.test')
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class NSXClusterTest(base.BaseTestCase):
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cluster_opts = {'default_tz_uuid': uuidutils.generate_uuid(),
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'default_l2_gw_service_uuid': uuidutils.generate_uuid(),
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'default_l2_gw_service_uuid': uuidutils.generate_uuid(),
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'nsx_user': 'foo',
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'nsx_password': 'bar',
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'http_timeout': 25,
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'retries': 7,
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'redirects': 23,
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'default_interface_name': 'baz',
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'nsx_controllers': ['1.1.1.1:443']}
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def test_create_cluster(self):
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cluster = nsx_cluster.NSXCluster(**self.cluster_opts)
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for (k, v) in self.cluster_opts.iteritems():
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self.assertEqual(v, getattr(cluster, k))
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def test_create_cluster_default_port(self):
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opts = self.cluster_opts.copy()
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opts['nsx_controllers'] = ['1.1.1.1']
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cluster = nsx_cluster.NSXCluster(**opts)
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for (k, v) in self.cluster_opts.iteritems():
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self.assertEqual(v, getattr(cluster, k))
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def test_create_cluster_missing_required_attribute_raises(self):
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opts = self.cluster_opts.copy()
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opts.pop('default_tz_uuid')
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self.assertRaises(exceptions.InvalidClusterConfiguration,
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nsx_cluster.NSXCluster, **opts)
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class ConfigurationTest(base.BaseTestCase):
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def setUp(self):
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super(ConfigurationTest, self).setUp()
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self.useFixture(fixtures.MonkeyPatch(
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'neutron.manager.NeutronManager._instance',
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None))
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# Avoid runs of the synchronizer looping call
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patch_sync = mock.patch.object(sync, '_start_loopingcall')
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patch_sync.start()
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def _assert_required_options(self, cluster):
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self.assertEqual(cluster.nsx_controllers, ['fake_1:443', 'fake_2:443'])
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self.assertEqual(cluster.default_tz_uuid, 'fake_tz_uuid')
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self.assertEqual(cluster.nsx_user, 'foo')
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self.assertEqual(cluster.nsx_password, 'bar')
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def _assert_extra_options(self, cluster):
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self.assertEqual(13, cluster.http_timeout)
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self.assertEqual(12, cluster.redirects)
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self.assertEqual(11, cluster.retries)
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self.assertEqual('whatever', cluster.default_l2_gw_service_uuid)
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self.assertEqual('whatever', cluster.default_l3_gw_service_uuid)
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self.assertEqual('whatever', cluster.default_interface_name)
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def test_load_plugin_with_full_options(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_FULL_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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plugin = manager.NeutronManager().get_plugin()
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cluster = plugin.cluster
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self._assert_required_options(cluster)
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self._assert_extra_options(cluster)
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def test_load_plugin_with_required_options_only(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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plugin = manager.NeutronManager().get_plugin()
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self._assert_required_options(plugin.cluster)
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def test_defaults(self):
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self.assertEqual(5000, cfg.CONF.NSX.max_lp_per_bridged_ls)
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self.assertEqual(256, cfg.CONF.NSX.max_lp_per_overlay_ls)
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self.assertEqual(10, cfg.CONF.NSX.concurrent_connections)
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self.assertEqual('access_network', cfg.CONF.NSX.metadata_mode)
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self.assertEqual('stt', cfg.CONF.NSX.default_transport_type)
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self.assertEqual('service', cfg.CONF.NSX.replication_mode)
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self.assertIsNone(cfg.CONF.default_tz_uuid)
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self.assertEqual('admin', cfg.CONF.nsx_user)
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self.assertEqual('admin', cfg.CONF.nsx_password)
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self.assertEqual(75, cfg.CONF.http_timeout)
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self.assertEqual(2, cfg.CONF.retries)
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self.assertEqual(2, cfg.CONF.redirects)
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self.assertIsNone(cfg.CONF.nsx_controllers)
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self.assertIsNone(cfg.CONF.default_l3_gw_service_uuid)
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self.assertIsNone(cfg.CONF.default_l2_gw_service_uuid)
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self.assertEqual('breth0', cfg.CONF.default_interface_name)
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self.assertEqual(900, cfg.CONF.conn_idle_timeout)
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def test_load_api_extensions(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_FULL_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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# Load the configuration, and initialize the plugin
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manager.NeutronManager().get_plugin()
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self.assertIn('extensions', cfg.CONF.api_extensions_path)
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def test_agentless_extensions(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_AGENTLESS_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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self.assertEqual(config.AgentModes.AGENTLESS,
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cfg.CONF.NSX.agent_mode)
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# The version returned from NSX does not really matter here
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with mock.patch.object(client.NsxApiClient,
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'get_version',
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return_value=version.Version("9.9")):
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with mock.patch.object(lsnlib,
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'service_cluster_exists',
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return_value=True):
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plugin = manager.NeutronManager().get_plugin()
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self.assertNotIn('agent',
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plugin.supported_extension_aliases)
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self.assertNotIn('dhcp_agent_scheduler',
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plugin.supported_extension_aliases)
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self.assertNotIn('lsn',
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plugin.supported_extension_aliases)
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def test_agentless_extensions_version_fail(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_AGENTLESS_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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self.assertEqual(config.AgentModes.AGENTLESS,
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cfg.CONF.NSX.agent_mode)
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with mock.patch.object(client.NsxApiClient,
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'get_version',
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return_value=version.Version("3.2")):
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self.assertRaises(exceptions.NsxPluginException,
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manager.NeutronManager)
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def test_agentless_extensions_unmet_deps_fail(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_AGENTLESS_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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self.assertEqual(config.AgentModes.AGENTLESS,
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cfg.CONF.NSX.agent_mode)
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with mock.patch.object(client.NsxApiClient,
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'get_version',
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return_value=version.Version("3.2")):
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with mock.patch.object(lsnlib,
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'service_cluster_exists',
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return_value=False):
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self.assertRaises(exceptions.NsxPluginException,
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manager.NeutronManager)
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def test_agent_extensions(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_FULL_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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self.assertEqual(config.AgentModes.AGENT,
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cfg.CONF.NSX.agent_mode)
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plugin = manager.NeutronManager().get_plugin()
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self.assertIn('agent',
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plugin.supported_extension_aliases)
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self.assertIn('dhcp_agent_scheduler',
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plugin.supported_extension_aliases)
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def test_combined_extensions(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NSX_INI_COMBINED_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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self.assertEqual(config.AgentModes.COMBINED,
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cfg.CONF.NSX.agent_mode)
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with mock.patch.object(client.NsxApiClient,
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'get_version',
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return_value=version.Version("4.2")):
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with mock.patch.object(lsnlib,
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'service_cluster_exists',
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return_value=True):
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plugin = manager.NeutronManager().get_plugin()
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self.assertIn('agent',
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plugin.supported_extension_aliases)
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self.assertIn('dhcp_agent_scheduler',
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plugin.supported_extension_aliases)
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self.assertIn('lsn',
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plugin.supported_extension_aliases)
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class OldNVPConfigurationTest(base.BaseTestCase):
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def setUp(self):
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super(OldNVPConfigurationTest, self).setUp()
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self.useFixture(fixtures.MonkeyPatch(
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'neutron.manager.NeutronManager._instance',
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None))
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# Avoid runs of the synchronizer looping call
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patch_sync = mock.patch.object(sync, '_start_loopingcall')
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patch_sync.start()
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def _assert_required_options(self, cluster):
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self.assertEqual(cluster.nsx_controllers, ['fake_1:443', 'fake_2:443'])
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self.assertEqual(cluster.nsx_user, 'foo')
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self.assertEqual(cluster.nsx_password, 'bar')
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self.assertEqual(cluster.default_tz_uuid, 'fake_tz_uuid')
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def test_load_plugin_with_deprecated_options(self):
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self.config_parse(args=['--config-file', BASE_CONF_PATH,
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'--config-file', NVP_INI_DEPR_PATH])
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cfg.CONF.set_override('core_plugin', vmware.PLUGIN_NAME)
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plugin = manager.NeutronManager().get_plugin()
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cluster = plugin.cluster
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# Verify old nvp_* params have been fully parsed
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self._assert_required_options(cluster)
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self.assertEqual(3, cluster.http_timeout)
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self.assertEqual(2, cluster.retries)
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self.assertEqual(2, cluster.redirects)
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