225 lines
9.9 KiB
Python
225 lines
9.9 KiB
Python
# Copyright (c) 2013 OpenStack Foundation.
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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 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.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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from neutron.tests.unit.extensions import test_agent
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from neutron_lib import constants
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from oslo_config import cfg
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import six
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from webob import exc
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from neutron_lbaas.extensions import lbaas_agentscheduler
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from neutron_lbaas.extensions import loadbalancer
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from neutron_lbaas.tests import base
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from neutron_lbaas.tests.unit.db.loadbalancer import test_db_loadbalancer
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LBAAS_HOSTA = 'hosta'
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class AgentSchedulerTestMixIn(test_agentschedulers_db.AgentSchedulerTestMixIn):
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def _list_pools_hosted_by_lbaas_agent(self, agent_id,
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expected_code=exc.HTTPOk.code,
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admin_context=True):
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path = "/agents/%s/%s.%s" % (agent_id,
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lbaas_agentscheduler.LOADBALANCER_POOLS,
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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_pool(self, pool_id,
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expected_code=exc.HTTPOk.code,
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admin_context=True):
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path = "/lb/pools/%s/%s.%s" % (pool_id,
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lbaas_agentscheduler.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_loadbalancer.LoadBalancerTestMixin,
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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 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_loadbalancer.DB_LB_PLUGIN_KLASS}
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# default provider should support agent scheduling
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self.set_override([('LOADBALANCER:lbaas:neutron_lbaas.services.'
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'loadbalancer.drivers.haproxy.plugin_driver.'
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'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.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(6, len(agents['agents']))
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def test_pool_scheduling_on_pool_creation(self):
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self._register_agent_states(lbaas_agents=True)
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with self.pool() as pool:
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lbaas_agent = self._get_lbaas_agent_hosting_pool(
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pool['pool']['id'])
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self.assertIsNotNone(lbaas_agent)
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self.assertEqual(constants.AGENT_TYPE_LOADBALANCER,
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lbaas_agent['agent']['agent_type'])
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pools = self._list_pools_hosted_by_lbaas_agent(
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lbaas_agent['agent']['id'])
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self.assertEqual(1, len(pools['pools']))
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self.assertEqual(pool['pool'], pools['pools'][0])
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def test_schedule_pool_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': ['haproxy_ns']},
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'agent_type': constants.AGENT_TYPE_LOADBALANCER}
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helpers._register_agent(lbaas_hosta)
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with self.pool() as pool:
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lbaas_agent = self._get_lbaas_agent_hosting_pool(
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pool['pool']['id'])
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self.assertIsNotNone(lbaas_agent)
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agents = self._list_agents()
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self._disable_agent(agents['agents'][0]['id'])
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pool = {'pool': {'name': 'test',
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'subnet_id': 'test',
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'lb_method': 'ROUND_ROBIN',
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'protocol': 'HTTP',
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'admin_state_up': True,
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'tenant_id': 'test',
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'description': 'test'}}
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lbaas_plugin = manager.NeutronManager.get_service_plugins()[
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plugin_const.LOADBALANCER]
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self.assertRaises(loadbalancer.NoEligibleBackend,
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lbaas_plugin.create_pool, self.adminContext, pool)
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pools = lbaas_plugin.get_pools(self.adminContext)
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self.assertEqual('ERROR', pools[0]['status'])
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self.assertEqual('No eligible backend',
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pools[0]['status_description'])
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def test_schedule_pool_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': ['haproxy_ns']},
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'agent_type': constants.AGENT_TYPE_LOADBALANCER}
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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.pool() as pool:
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lbaas_agent = self._get_lbaas_agent_hosting_pool(
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pool['pool']['id'])
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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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pool = {'pool': {'name': 'test',
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'subnet_id': 'test',
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'lb_method': 'ROUND_ROBIN',
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'protocol': 'HTTP',
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'provider': 'lbaas',
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'admin_state_up': True,
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'tenant_id': 'test',
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'description': 'test'}}
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lbaas_plugin = manager.NeutronManager.get_service_plugins()[
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plugin_const.LOADBALANCER]
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self.assertRaises(loadbalancer.NoEligibleBackend,
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lbaas_plugin.create_pool,
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self.adminContext, pool)
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pools = lbaas_plugin.get_pools(self.adminContext)
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self.assertEqual('ERROR', pools[0]['status'])
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self.assertEqual('No eligible backend',
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pools[0]['status_description'])
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def test_pool_unscheduling_on_pool_deletion(self):
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self._register_agent_states(lbaas_agents=True)
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with self.pool(do_delete=False) as pool:
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lbaas_agent = self._get_lbaas_agent_hosting_pool(
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pool['pool']['id'])
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self.assertIsNotNone(lbaas_agent)
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self.assertEqual(constants.AGENT_TYPE_LOADBALANCER,
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lbaas_agent['agent']['agent_type'])
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pools = self._list_pools_hosted_by_lbaas_agent(
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lbaas_agent['agent']['id'])
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self.assertEqual(1, len(pools['pools']))
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self.assertEqual(pool['pool'], pools['pools'][0])
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req = self.new_delete_request('pools',
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pool['pool']['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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pools = self._list_pools_hosted_by_lbaas_agent(
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lbaas_agent['agent']['id'])
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self.assertEqual(0, len(pools['pools']))
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def test_pool_scheduling_non_admin_access(self):
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self._register_agent_states(lbaas_agents=True)
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with self.pool() as pool:
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self._get_lbaas_agent_hosting_pool(
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pool['pool']['id'],
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expected_code=exc.HTTPForbidden.code,
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admin_context=False)
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self._list_pools_hosted_by_lbaas_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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class LeastPoolAgentSchedulerTestCase(LBaaSAgentSchedulerTestCase):
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def setUp(self):
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# Setting LeastPoolAgentScheduler as scheduler
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cfg.CONF.set_override(
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'loadbalancer_pool_scheduler_driver',
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'neutron_lbaas.services.loadbalancer.'
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'agent_scheduler.LeastPoolAgentScheduler')
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super(LeastPoolAgentSchedulerTestCase, self).setUp()
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