a9e763914d
* flake8 supports more checks than pep8 (e.g. detection of unused imports and variables), and has an extension mechanism. A plugin to support automatic HACKING validation is planned. * See: http://flake8.readthedocs.org/ Change-Id: I8c9314c606802109a4d01908dbc74ecb792ad0ac
314 lines
11 KiB
Python
314 lines
11 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 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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#
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# @author: Mark McClain, DreamHost
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import mock
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from quantum import context
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from quantum import manager
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from quantum.db.loadbalancer import loadbalancer_db as ldb
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from quantum.openstack.common import uuidutils
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from quantum.plugins.common import constants
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from quantum.plugins.services.agent_loadbalancer import plugin
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from quantum.tests import base
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from quantum.tests.unit.db.loadbalancer import test_db_loadbalancer
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class TestLoadBalancerPluginBase(
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test_db_loadbalancer.LoadBalancerPluginDbTestCase):
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def setUp(self):
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super(TestLoadBalancerPluginBase, self).setUp()
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# create another API instance to make testing easier
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# pass a mock to our API instance
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# we need access to loaded plugins to modify models
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loaded_plugins = manager.QuantumManager().get_service_plugins()
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self.plugin_instance = loaded_plugins[constants.LOADBALANCER]
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self.callbacks = self.plugin_instance.callbacks
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class TestLoadBalancerCallbacks(TestLoadBalancerPluginBase):
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def test_get_ready_devices(self):
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with self.vip() as vip:
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ready = self.callbacks.get_ready_devices(
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context.get_admin_context(),
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)
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self.assertEqual(ready, [vip['vip']['pool_id']])
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def test_get_ready_devices_multiple_vips_and_pools(self):
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ctx = context.get_admin_context()
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# add 3 pools and 2 vips directly to DB
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# to create 2 "ready" devices and one pool without vip
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pools = []
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for i in xrange(0, 3):
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pools.append(ldb.Pool(id=uuidutils.generate_uuid(),
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subnet_id=self._subnet_id,
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protocol="HTTP",
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lb_method="ROUND_ROBIN",
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status=constants.ACTIVE,
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admin_state_up=True))
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ctx.session.add(pools[i])
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vip0 = ldb.Vip(id=uuidutils.generate_uuid(),
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protocol_port=80,
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protocol="HTTP",
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pool_id=pools[0].id,
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status=constants.ACTIVE,
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admin_state_up=True,
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connection_limit=3)
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ctx.session.add(vip0)
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pools[0].vip_id = vip0.id
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vip1 = ldb.Vip(id=uuidutils.generate_uuid(),
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protocol_port=80,
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protocol="HTTP",
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pool_id=pools[1].id,
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status=constants.ACTIVE,
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admin_state_up=True,
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connection_limit=3)
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ctx.session.add(vip1)
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pools[1].vip_id = vip1.id
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ctx.session.flush()
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self.assertEqual(ctx.session.query(ldb.Pool).count(), 3)
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self.assertEqual(ctx.session.query(ldb.Vip).count(), 2)
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ready = self.callbacks.get_ready_devices(ctx)
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self.assertEqual(len(ready), 2)
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self.assertIn(pools[0].id, ready)
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self.assertIn(pools[1].id, ready)
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self.assertNotIn(pools[2].id, ready)
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# cleanup
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ctx.session.query(ldb.Pool).delete()
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ctx.session.query(ldb.Vip).delete()
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def test_get_ready_devices_inactive_vip(self):
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with self.vip() as vip:
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# set the vip inactive need to use plugin directly since
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# status is not tenant mutable
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self.plugin_instance.update_vip(
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context.get_admin_context(),
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vip['vip']['id'],
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{'vip': {'status': constants.INACTIVE}}
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)
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ready = self.callbacks.get_ready_devices(
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context.get_admin_context(),
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)
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self.assertFalse(ready)
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def test_get_ready_devices_inactive_pool(self):
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with self.vip() as vip:
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# set the pool inactive need to use plugin directly since
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# status is not tenant mutable
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self.plugin_instance.update_pool(
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context.get_admin_context(),
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vip['vip']['pool_id'],
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{'pool': {'status': constants.INACTIVE}}
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)
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ready = self.callbacks.get_ready_devices(
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context.get_admin_context(),
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)
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self.assertFalse(ready)
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def test_get_logical_device_inactive(self):
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with self.pool() as pool:
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with self.vip(pool=pool) as vip:
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with self.member(pool_id=vip['vip']['pool_id']):
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self.assertRaises(
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Exception,
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self.callbacks.get_logical_device,
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context.get_admin_context(),
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pool['pool']['id'],
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activate=False
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)
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def test_get_logical_device_activate(self):
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with self.pool() as pool:
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with self.vip(pool=pool) as vip:
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with self.member(pool_id=vip['vip']['pool_id']) as member:
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ctx = context.get_admin_context()
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# build the expected
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port = self.plugin_instance._core_plugin.get_port(
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ctx, vip['vip']['port_id']
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)
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subnet = self.plugin_instance._core_plugin.get_subnet(
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ctx, vip['vip']['subnet_id']
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)
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port['fixed_ips'][0]['subnet'] = subnet
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# reload pool to add members and vip
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pool = self.plugin_instance.get_pool(
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ctx, pool['pool']['id']
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)
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pool['status'] = constants.ACTIVE
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vip['vip']['status'] = constants.ACTIVE
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vip['vip']['port'] = port
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member['member']['status'] = constants.ACTIVE
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expected = {
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'pool': pool,
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'vip': vip['vip'],
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'members': [member['member']],
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'healthmonitors': []
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}
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logical_config = self.callbacks.get_logical_device(
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ctx, pool['id'], activate=True
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)
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self.assertEqual(logical_config, expected)
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def _update_port_test_helper(self, expected, func, **kwargs):
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core = self.plugin_instance._core_plugin
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with self.pool() as pool:
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with self.vip(pool=pool) as vip:
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with self.member(pool_id=vip['vip']['pool_id']):
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ctx = context.get_admin_context()
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func(ctx, port_id=vip['vip']['port_id'], **kwargs)
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db_port = core.get_port(ctx, vip['vip']['port_id'])
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for k, v in expected.iteritems():
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self.assertEqual(db_port[k], v)
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def test_plug_vip_port(self):
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exp = {
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'device_owner': 'quantum:' + constants.LOADBALANCER,
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'device_id': 'c596ce11-db30-5c72-8243-15acaae8690f',
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'admin_state_up': True
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}
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self._update_port_test_helper(
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exp,
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self.callbacks.plug_vip_port,
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host='host'
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)
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def test_unplug_vip_port(self):
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exp = {
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'device_owner': '',
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'device_id': '',
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'admin_state_up': False
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}
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self._update_port_test_helper(
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exp,
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self.callbacks.unplug_vip_port,
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host='host'
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)
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class TestLoadBalancerAgentApi(base.BaseTestCase):
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def setUp(self):
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super(TestLoadBalancerAgentApi, self).setUp()
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self.addCleanup(mock.patch.stopall)
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self.api = plugin.LoadBalancerAgentApi('topic', 'host')
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self.mock_cast = mock.patch.object(self.api, 'cast').start()
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self.mock_msg = mock.patch.object(self.api, 'make_msg').start()
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def test_init(self):
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self.assertEqual(self.api.topic, 'topic')
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self.assertEqual(self.api.host, 'host')
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def _call_test_helper(self, method_name):
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rv = getattr(self.api, method_name)(mock.sentinel.context, 'the_id')
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self.assertEqual(rv, self.mock_cast.return_value)
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self.mock_cast.assert_called_once_with(
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mock.sentinel.context,
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self.mock_msg.return_value,
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topic='topic'
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)
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self.mock_msg.assert_called_once_with(
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method_name,
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pool_id='the_id',
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host='host'
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)
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def test_reload_pool(self):
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self._call_test_helper('reload_pool')
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def test_destroy_pool(self):
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self._call_test_helper('destroy_pool')
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def test_modify_pool(self):
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self._call_test_helper('modify_pool')
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class TestLoadBalancerPluginNotificationWrapper(TestLoadBalancerPluginBase):
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def setUp(self):
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self.log = mock.patch.object(plugin, 'LOG')
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api_cls = mock.patch.object(plugin, 'LoadBalancerAgentApi').start()
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super(TestLoadBalancerPluginNotificationWrapper, self).setUp()
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self.mock_api = api_cls.return_value
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self.addCleanup(mock.patch.stopall)
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def test_create_vip(self):
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with self.subnet() as subnet:
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with self.pool(subnet=subnet) as pool:
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with self.vip(pool=pool, subnet=subnet) as vip:
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self.mock_api.reload_pool.assert_called_once_with(
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mock.ANY,
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vip['vip']['pool_id']
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)
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def test_update_vip(self):
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with self.subnet() as subnet:
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with self.pool(subnet=subnet) as pool:
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with self.vip(pool=pool, subnet=subnet) as vip:
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self.mock_api.reset_mock()
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ctx = context.get_admin_context()
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vip['vip'].pop('status')
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new_vip = self.plugin_instance.update_vip(
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ctx,
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vip['vip']['id'],
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vip
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)
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self.mock_api.reload_pool.assert_called_once_with(
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mock.ANY,
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vip['vip']['pool_id']
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)
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self.assertEqual(
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new_vip['status'],
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constants.PENDING_UPDATE
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)
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def test_delete_vip(self):
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with self.subnet() as subnet:
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with self.pool(subnet=subnet) as pool:
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with self.vip(pool=pool, subnet=subnet, no_delete=True) as vip:
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self.mock_api.reset_mock()
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ctx = context.get_admin_context()
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self.plugin_instance.delete_vip(ctx, vip['vip']['id'])
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self.mock_api.destroy_pool.assert_called_once_with(
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mock.ANY,
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vip['vip']['pool_id']
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)
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