/usr/lib/python2.7/dist-packages/neutron_lbaas/tests/unit/drivers/common/test_agent_callbacks.py is in python-neutron-lbaas 2:8.0.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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# Copyright 2015 Rackspace
#
# 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.
import mock
from neutron import context
from neutron.extensions import portbindings
from neutron.plugins.common import constants
from neutron.tests.unit import testlib_api
from oslo_utils import uuidutils
import six
from six import moves
from neutron_lbaas.db.loadbalancer import loadbalancer_dbv2 as ldb
from neutron_lbaas.db.loadbalancer import models as db_models
from neutron_lbaas.drivers.common import agent_callbacks
from neutron_lbaas.extensions import loadbalancerv2
from neutron_lbaas.services.loadbalancer import constants as lb_const
from neutron_lbaas.services.loadbalancer import data_models
from neutron_lbaas.tests.unit.drivers.common import test_agent_driver_base
class TestLoadBalancerCallbacks(
test_agent_driver_base.TestLoadBalancerPluginBase):
def setUp(self):
super(TestLoadBalancerCallbacks, self).setUp()
self.callbacks = agent_callbacks.LoadBalancerCallbacks(
self.plugin_instance
)
get_lbaas_agents_patcher = mock.patch(
'neutron_lbaas.agent_scheduler.LbaasAgentSchedulerDbMixin.'
'get_lbaas_agents')
get_lbaas_agents_patcher.start()
def test_get_ready_devices(self):
with self.loadbalancer() as loadbalancer:
lb_id = loadbalancer['loadbalancer']['id']
self.plugin_instance.db.update_loadbalancer_provisioning_status(
context.get_admin_context(),
loadbalancer['loadbalancer']['id'])
with mock.patch(
'neutron_lbaas.agent_scheduler.LbaasAgentSchedulerDbMixin.'
'list_loadbalancers_on_lbaas_agent') as mock_agent_lbs:
mock_agent_lbs.return_value = [
data_models.LoadBalancer(id=lb_id)]
ready = self.callbacks.get_ready_devices(
context.get_admin_context(),
)
self.assertEqual([lb_id], ready)
def test_get_ready_devices_multiple_listeners_and_loadbalancers(self):
ctx = context.get_admin_context()
# add 3 load balancers and 2 listeners directly to DB
# to create 2 "ready" devices and one load balancer without listener
loadbalancers = []
for i in moves.range(3):
loadbalancers.append(ldb.models.LoadBalancer(
id=uuidutils.generate_uuid(), vip_subnet_id=self._subnet_id,
provisioning_status=constants.ACTIVE, admin_state_up=True,
operating_status=constants.ACTIVE))
ctx.session.add(loadbalancers[i])
listener0 = ldb.models.Listener(
id=uuidutils.generate_uuid(), protocol="HTTP",
loadbalancer_id=loadbalancers[0].id,
provisioning_status=constants.ACTIVE, admin_state_up=True,
connection_limit=3, protocol_port=80,
operating_status=constants.ACTIVE)
ctx.session.add(listener0)
loadbalancers[0].listener_id = listener0.id
listener1 = ldb.models.Listener(
id=uuidutils.generate_uuid(), protocol="HTTP",
loadbalancer_id=loadbalancers[1].id,
provisioning_status=constants.ACTIVE, admin_state_up=True,
connection_limit=3, protocol_port=80,
operating_status=constants.ACTIVE)
ctx.session.add(listener1)
loadbalancers[1].listener_id = listener1.id
ctx.session.flush()
self.assertEqual(3, ctx.session.query(ldb.models.LoadBalancer).count())
self.assertEqual(2, ctx.session.query(ldb.models.Listener).count())
with mock.patch(
'neutron_lbaas.agent_scheduler.LbaasAgentSchedulerDbMixin'
'.list_loadbalancers_on_lbaas_agent') as mock_agent_lbs:
mock_agent_lbs.return_value = loadbalancers
ready = self.callbacks.get_ready_devices(ctx)
self.assertEqual(3, len(ready))
self.assertIn(loadbalancers[0].id, ready)
self.assertIn(loadbalancers[1].id, ready)
self.assertIn(loadbalancers[2].id, ready)
# cleanup
ctx.session.query(ldb.models.Listener).delete()
ctx.session.query(ldb.models.LoadBalancer).delete()
def test_get_ready_devices_inactive_loadbalancer(self):
with self.loadbalancer() as loadbalancer:
lb_id = loadbalancer['loadbalancer']['id']
self.plugin_instance.db.update_loadbalancer_provisioning_status(
context.get_admin_context(),
loadbalancer['loadbalancer']['id'])
# set the loadbalancer inactive need to use plugin directly since
# status is not tenant mutable
self.plugin_instance.db.update_loadbalancer(
context.get_admin_context(),
loadbalancer['loadbalancer']['id'],
{'loadbalancer': {'provisioning_status': constants.INACTIVE}}
)
with mock.patch(
'neutron_lbaas.agent_scheduler.LbaasAgentSchedulerDbMixin.'
'list_loadbalancers_on_lbaas_agent') as mock_agent_lbs:
mock_agent_lbs.return_value = [
data_models.LoadBalancer(id=lb_id)]
ready = self.callbacks.get_ready_devices(
context.get_admin_context(),
)
self.assertEqual([loadbalancer['loadbalancer']['id']],
ready)
def test_get_loadbalancer_active(self):
with self.loadbalancer() as loadbalancer:
ctx = context.get_admin_context()
# activate objects
self.plugin_instance.db.update_status(
ctx, db_models.LoadBalancer,
loadbalancer['loadbalancer']['id'], 'ACTIVE')
lb = self.plugin_instance.db.get_loadbalancer(
ctx, loadbalancer['loadbalancer']['id']
)
load_balancer = self.callbacks.get_loadbalancer(
ctx, loadbalancer['loadbalancer']['id']
)
expected_lb = lb.to_dict()
expected_lb['provider']['device_driver'] = 'dummy'
subnet = self.plugin_instance.db._core_plugin.get_subnet(
ctx, expected_lb['vip_subnet_id'])
subnet = data_models.Subnet.from_dict(subnet).to_dict()
expected_lb['vip_port']['fixed_ips'][0]['subnet'] = subnet
del expected_lb['stats']
self.assertEqual(expected_lb, load_balancer)
def _update_port_test_helper(self, expected, func, **kwargs):
core = self.plugin_instance.db._core_plugin
with self.loadbalancer() as loadbalancer:
lb_id = loadbalancer['loadbalancer']['id']
if 'device_id' not in expected:
expected['device_id'] = lb_id
self.plugin_instance.db.update_loadbalancer_provisioning_status(
context.get_admin_context(),
loadbalancer['loadbalancer']['id'])
ctx = context.get_admin_context()
db_lb = self.plugin_instance.db.get_loadbalancer(ctx, lb_id)
func(ctx, port_id=db_lb.vip_port_id, **kwargs)
db_port = core.get_port(ctx, db_lb.vip_port_id)
for k, v in six.iteritems(expected):
self.assertEqual(v, db_port[k])
def test_plug_vip_port(self):
exp = {
'device_owner': 'neutron:' + constants.LOADBALANCERV2,
'admin_state_up': True
}
self._update_port_test_helper(
exp,
self.callbacks.plug_vip_port,
host='host'
)
def test_plug_vip_port_mock_with_host(self):
exp = {
'device_owner': 'neutron:' + constants.LOADBALANCERV2,
'admin_state_up': True,
portbindings.HOST_ID: 'host'
}
with mock.patch.object(
self.plugin.db._core_plugin,
'update_port') as mock_update_port:
with self.loadbalancer() as loadbalancer:
lb_id = loadbalancer['loadbalancer']['id']
ctx = context.get_admin_context()
self.callbacks.update_status(ctx, 'loadbalancer', lb_id,
constants.ACTIVE)
(self.plugin_instance.db
.update_loadbalancer_provisioning_status(ctx, lb_id))
db_lb = self.plugin_instance.db.get_loadbalancer(ctx, lb_id)
self.callbacks.plug_vip_port(ctx, port_id=db_lb.vip_port_id,
host='host')
mock_update_port.assert_called_once_with(
ctx, db_lb.vip_port_id,
{'port': testlib_api.SubDictMatch(exp)})
def test_unplug_vip_port(self):
exp = {
'device_owner': '',
'device_id': '',
'admin_state_up': False
}
self._update_port_test_helper(
exp,
self.callbacks.unplug_vip_port,
host='host'
)
def test_loadbalancer_deployed(self):
with self.loadbalancer() as loadbalancer:
ctx = context.get_admin_context()
l = self.plugin_instance.db.get_loadbalancer(
ctx, loadbalancer['loadbalancer']['id'])
self.assertEqual('PENDING_CREATE', l.provisioning_status)
self.callbacks.loadbalancer_deployed(
ctx, loadbalancer['loadbalancer']['id'])
l = self.plugin_instance.db.get_loadbalancer(
ctx, loadbalancer['loadbalancer']['id'])
self.assertEqual('ACTIVE', l.provisioning_status)
def test_listener_deployed(self):
with self.loadbalancer(no_delete=True) as loadbalancer:
self.plugin_instance.db.update_loadbalancer_provisioning_status(
context.get_admin_context(),
loadbalancer['loadbalancer']['id'])
with self.listener(
loadbalancer_id=loadbalancer[
'loadbalancer']['id']) as listener:
ctx = context.get_admin_context()
l = self.plugin_instance.db.get_loadbalancer(
ctx, loadbalancer['loadbalancer']['id'])
self.assertEqual('PENDING_UPDATE', l.provisioning_status)
ll = self.plugin_instance.db.get_listener(
ctx, listener['listener']['id'])
self.assertEqual('PENDING_CREATE', ll.provisioning_status)
self.callbacks.loadbalancer_deployed(
ctx, loadbalancer['loadbalancer']['id'])
l = self.plugin_instance.db.get_loadbalancer(
ctx, loadbalancer['loadbalancer']['id'])
self.assertEqual('ACTIVE', l.provisioning_status)
ll = self.plugin_instance.db.get_listener(
ctx, listener['listener']['id'])
self.assertEqual('ACTIVE', ll.provisioning_status)
def test_update_status_loadbalancer(self):
with self.loadbalancer() as loadbalancer:
loadbalancer_id = loadbalancer['loadbalancer']['id']
ctx = context.get_admin_context()
l = self.plugin_instance.db.get_loadbalancer(ctx, loadbalancer_id)
self.assertEqual('PENDING_CREATE', l.provisioning_status)
self.callbacks.update_status(ctx, 'loadbalancer',
loadbalancer_id,
provisioning_status=constants.ACTIVE,
operating_status=lb_const.ONLINE)
l = self.plugin_instance.db.get_loadbalancer(ctx, loadbalancer_id)
self.assertEqual(constants.ACTIVE, l.provisioning_status)
self.assertEqual(lb_const.ONLINE, l.operating_status)
def test_update_status_loadbalancer_deleted_already(self):
with mock.patch.object(agent_callbacks, 'LOG') as mock_log:
loadbalancer_id = 'deleted_lb'
ctx = context.get_admin_context()
self.assertRaises(loadbalancerv2.EntityNotFound,
self.plugin_instance.get_loadbalancer, ctx,
loadbalancer_id)
self.callbacks.update_status(ctx, 'loadbalancer',
loadbalancer_id,
provisioning_status=constants.ACTIVE)
self.assertTrue(mock_log.warning.called)
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