257 lines
12 KiB
Python
257 lines
12 KiB
Python
# Copyright (c) 2013 OpenStack Foundation.
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# Copyright 2015 Rackspace
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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 copy
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from datetime import datetime
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import mock
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from neutron.api import extensions
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from neutron.api.v2 import attributes
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from neutron import context
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from neutron.db import agents_db
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from neutron.extensions import agent
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from neutron import manager
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from neutron.plugins.common import constants as plugin_const
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from neutron.tests.common import helpers
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from neutron.tests.unit.api import test_extensions
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from neutron.tests.unit.db import test_agentschedulers_db
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import neutron.tests.unit.extensions
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from neutron.tests.unit.extensions import test_agent
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import six
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from webob import exc
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from neutron_lbaas.drivers.haproxy import plugin_driver
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from neutron_lbaas.extensions import lbaas_agentschedulerv2
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from neutron_lbaas.services.loadbalancer import constants as lb_const
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from neutron_lbaas.tests import base
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from neutron_lbaas.tests.unit.db.loadbalancer import test_db_loadbalancerv2
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LBAAS_HOSTA = 'hosta'
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extensions_path = ':'.join(neutron.tests.unit.extensions.__path__)
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class AgentSchedulerTestMixIn(test_agentschedulers_db.AgentSchedulerTestMixIn):
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def _list_loadbalancers_hosted_by_agent(
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self, agent_id, expected_code=exc.HTTPOk.code, admin_context=True):
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path = "/agents/%s/%s.%s" % (agent_id,
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lbaas_agentschedulerv2.LOADBALANCERS,
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self.fmt)
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return self._request_list(path, expected_code=expected_code,
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admin_context=admin_context)
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def _get_lbaas_agent_hosting_loadbalancer(self, loadbalancer_id,
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expected_code=exc.HTTPOk.code,
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admin_context=True):
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path = "/lbaas/loadbalancers/%s/%s.%s" % (loadbalancer_id,
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lbaas_agentschedulerv2
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.LOADBALANCER_AGENT,
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self.fmt)
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return self._request_list(path, expected_code=expected_code,
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admin_context=admin_context)
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class LBaaSAgentSchedulerTestCase(test_agent.AgentDBTestMixIn,
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AgentSchedulerTestMixIn,
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test_db_loadbalancerv2.LbaasTestMixin,
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base.NeutronDbPluginV2TestCase):
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fmt = 'json'
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plugin_str = 'neutron.plugins.ml2.plugin.Ml2Plugin'
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def _register_agent_states(self, lbaas_agents=False):
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res = super(LBaaSAgentSchedulerTestCase, self)._register_agent_states(
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lbaas_agents=lbaas_agents)
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if lbaas_agents:
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lbaas_hosta = {
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'binary': 'neutron-loadbalancer-agent',
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'host': test_agent.LBAAS_HOSTA,
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'topic': 'LOADBALANCER_AGENT',
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'configurations': {'device_drivers': [
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plugin_driver.HaproxyOnHostPluginDriver.device_driver]},
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'agent_type': lb_const.AGENT_TYPE_LOADBALANCERV2}
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lbaas_hostb = copy.deepcopy(lbaas_hosta)
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lbaas_hostb['host'] = test_agent.LBAAS_HOSTB
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callback = agents_db.AgentExtRpcCallback()
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callback.report_state(self.adminContext,
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agent_state={'agent_state': lbaas_hosta},
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time=datetime.utcnow().isoformat())
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callback.report_state(self.adminContext,
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agent_state={'agent_state': lbaas_hostb},
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time=datetime.utcnow().isoformat())
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res += [lbaas_hosta, lbaas_hostb]
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return res
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def setUp(self):
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# Save the global RESOURCE_ATTRIBUTE_MAP
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self.saved_attr_map = {}
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for res, attrs in six.iteritems(attributes.RESOURCE_ATTRIBUTE_MAP):
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self.saved_attr_map[res] = attrs.copy()
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service_plugins = {
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'lb_plugin_name': test_db_loadbalancerv2.DB_LB_PLUGIN_CLASS}
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# default provider should support agent scheduling
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self.set_override(
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[('LOADBALANCERV2:lbaas:neutron_lbaas.drivers.haproxy.'
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'plugin_driver.HaproxyOnHostPluginDriver:default')])
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super(LBaaSAgentSchedulerTestCase, self).setUp(
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self.plugin_str, service_plugins=service_plugins)
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ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
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self.ext_api = test_extensions.setup_extensions_middleware(ext_mgr)
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self.adminContext = context.get_admin_context()
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# Add the resources to the global attribute map
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# This is done here as the setup process won't
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# initialize the main API router which extends
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# the global attribute map
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attributes.RESOURCE_ATTRIBUTE_MAP.update(
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agent.RESOURCE_ATTRIBUTE_MAP)
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self.lbaas_plugin = manager.NeutronManager.get_service_plugins()[
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plugin_const.LOADBALANCERV2]
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self.core_plugin = manager.NeutronManager.get_plugin()
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self.addCleanup(self.restore_attribute_map)
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def restore_attribute_map(self):
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# Restore the original RESOURCE_ATTRIBUTE_MAP
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attributes.RESOURCE_ATTRIBUTE_MAP = self.saved_attr_map
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def test_report_states(self):
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self._register_agent_states(lbaas_agents=True)
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agents = self._list_agents()
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self.assertEqual(8, len(agents['agents']))
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def test_loadbalancer_scheduling_on_loadbalancer_creation(self):
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self._register_agent_states(lbaas_agents=True)
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with self.loadbalancer() as loadbalancer:
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lbaas_agent = self._get_lbaas_agent_hosting_loadbalancer(
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loadbalancer['loadbalancer']['id'])
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self.assertIsNotNone(lbaas_agent)
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self.assertEqual(lb_const.AGENT_TYPE_LOADBALANCERV2,
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lbaas_agent['agent']['agent_type'])
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loadbalancers = self._list_loadbalancers_hosted_by_agent(
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lbaas_agent['agent']['id'])
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self.assertEqual(1, len(loadbalancers['loadbalancers']))
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self.assertEqual(loadbalancer['loadbalancer'],
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loadbalancers['loadbalancers'][0])
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self.lbaas_plugin.db.update_loadbalancer_provisioning_status(
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self.adminContext, loadbalancer['loadbalancer']['id']
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)
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def test_schedule_loadbalancer_with_disabled_agent(self):
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lbaas_hosta = {
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'binary': 'neutron-loadbalancer-agent',
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'host': LBAAS_HOSTA,
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'topic': 'LOADBALANCER_AGENT',
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'configurations': {'device_drivers': [
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plugin_driver.HaproxyOnHostPluginDriver.device_driver
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]},
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'agent_type': lb_const.AGENT_TYPE_LOADBALANCERV2}
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helpers._register_agent(lbaas_hosta)
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with self.loadbalancer() as loadbalancer:
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lbaas_agent = self._get_lbaas_agent_hosting_loadbalancer(
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loadbalancer['loadbalancer']['id'])
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self.assertIsNotNone(lbaas_agent)
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self.lbaas_plugin.db.update_loadbalancer_provisioning_status(
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self.adminContext, loadbalancer['loadbalancer']['id']
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)
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agents = self._list_agents()
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self._disable_agent(agents['agents'][0]['id'])
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subnet = self.core_plugin.get_subnets(self.adminContext)[0]
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lb = {
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'loadbalancer': {
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'vip_subnet_id': subnet['id'],
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'provider': 'lbaas',
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'flavor_id': attributes.ATTR_NOT_SPECIFIED,
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'vip_address': attributes.ATTR_NOT_SPECIFIED,
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'admin_state_up': True,
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'tenant_id': self._tenant_id}}
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self.assertRaises(lbaas_agentschedulerv2.NoEligibleLbaasAgent,
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self.lbaas_plugin.create_loadbalancer,
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self.adminContext, lb)
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def test_schedule_loadbalancer_with_down_agent(self):
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lbaas_hosta = {
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'binary': 'neutron-loadbalancer-agent',
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'host': LBAAS_HOSTA,
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'topic': 'LOADBALANCER_AGENT',
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'configurations': {'device_drivers': [
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plugin_driver.HaproxyOnHostPluginDriver.device_driver
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]},
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'agent_type': lb_const.AGENT_TYPE_LOADBALANCERV2}
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helpers._register_agent(lbaas_hosta)
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is_agent_down_str = 'neutron.db.agents_db.AgentDbMixin.is_agent_down'
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with mock.patch(is_agent_down_str) as mock_is_agent_down:
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mock_is_agent_down.return_value = False
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with self.loadbalancer() as loadbalancer:
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lbaas_agent = self._get_lbaas_agent_hosting_loadbalancer(
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loadbalancer['loadbalancer']['id'])
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self.lbaas_plugin.db.update_loadbalancer_provisioning_status(
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self.adminContext, loadbalancer['loadbalancer']['id']
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)
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self.assertIsNotNone(lbaas_agent)
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with mock.patch(is_agent_down_str) as mock_is_agent_down:
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mock_is_agent_down.return_value = True
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subnet = self.core_plugin.get_subnets(self.adminContext)[0]
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lb = {
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'loadbalancer': {
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'vip_subnet_id': subnet['id'],
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'provider': 'lbaas',
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'flavor_id': attributes.ATTR_NOT_SPECIFIED,
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'vip_address': attributes.ATTR_NOT_SPECIFIED,
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'admin_state_up': True,
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'tenant_id': self._tenant_id}}
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self.assertRaises(lbaas_agentschedulerv2.NoEligibleLbaasAgent,
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self.lbaas_plugin.create_loadbalancer,
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self.adminContext, lb)
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def test_loadbalancer_unscheduling_on_loadbalancer_deletion(self):
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self._register_agent_states(lbaas_agents=True)
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with self.loadbalancer(no_delete=True) as loadbalancer:
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lb_id = loadbalancer['loadbalancer']['id']
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lbaas_agent = self._get_lbaas_agent_hosting_loadbalancer(lb_id)
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self.assertIsNotNone(lbaas_agent)
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self.assertEqual(lb_const.AGENT_TYPE_LOADBALANCERV2,
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lbaas_agent['agent']['agent_type'])
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loadbalancers = self._list_loadbalancers_hosted_by_agent(
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lbaas_agent['agent']['id'])
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self.assertEqual(1, len(loadbalancers['loadbalancers']))
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self.assertEqual(loadbalancer['loadbalancer'],
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loadbalancers['loadbalancers'][0])
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self.lbaas_plugin.db.update_loadbalancer_provisioning_status(
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self.adminContext, lb_id
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)
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req = self.new_delete_request('loadbalancers', lb_id)
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res = req.get_response(self.ext_api)
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self.assertEqual(exc.HTTPNoContent.code, res.status_int)
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loadbalancers = self._list_loadbalancers_hosted_by_agent(
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lbaas_agent['agent']['id'])
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self.assertEqual(0, len(loadbalancers['loadbalancers']))
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def test_loadbalancer_scheduling_non_admin_access(self):
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self._register_agent_states(lbaas_agents=True)
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with self.loadbalancer() as loadbalancer:
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self._get_lbaas_agent_hosting_loadbalancer(
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loadbalancer['loadbalancer']['id'],
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expected_code=exc.HTTPForbidden.code,
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admin_context=False)
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self._list_loadbalancers_hosted_by_agent(
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'fake_id',
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expected_code=exc.HTTPForbidden.code,
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admin_context=False)
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self.lbaas_plugin.db.update_loadbalancer_provisioning_status(
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self.adminContext, loadbalancer['loadbalancer']['id']
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)
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