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# Copyright (c) 2013 OpenStack Foundation
# Copyright 2013, Nachi Ueno, NTT MCL, Inc.
# All Rights Reserved.
#
# 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 contextlib
import math
import mock
from neutron.api.v2 import attributes
from neutron.common import constants as const
from neutron.extensions import securitygroup as ext_sg
from neutron import manager
from neutron.tests.unit import test_api_v2
from neutron.tests.unit import test_extension_security_group as test_sg
from neutron.tests.unit import test_security_groups_rpc as test_sg_rpc
PLUGIN_NAME = 'neutron.plugins.ml2.plugin.Ml2Plugin'
NOTIFIER = 'neutron.plugins.ml2.rpc.AgentNotifierApi'
class Ml2SecurityGroupsTestCase(test_sg.SecurityGroupDBTestCase):
_plugin_name = PLUGIN_NAME
def setUp(self, plugin=None):
test_sg_rpc.set_firewall_driver(test_sg_rpc.FIREWALL_HYBRID_DRIVER)
notifier_p = mock.patch(NOTIFIER)
notifier_cls = notifier_p.start()
self.notifier = mock.Mock()
notifier_cls.return_value = self.notifier
self._attribute_map_bk_ = {}
for item in attributes.RESOURCE_ATTRIBUTE_MAP:
self._attribute_map_bk_[item] = (attributes.
RESOURCE_ATTRIBUTE_MAP[item].
copy())
super(Ml2SecurityGroupsTestCase, self).setUp(PLUGIN_NAME)
def tearDown(self):
super(Ml2SecurityGroupsTestCase, self).tearDown()
attributes.RESOURCE_ATTRIBUTE_MAP = self._attribute_map_bk_
class TestMl2SecurityGroups(Ml2SecurityGroupsTestCase,
test_sg.TestSecurityGroups,
test_sg_rpc.SGNotificationTestMixin):
def setUp(self):
super(TestMl2SecurityGroups, self).setUp()
plugin = manager.NeutronManager.get_plugin()
plugin.start_rpc_listeners()
def _make_port_with_new_sec_group(self, net_id):
sg = self._make_security_group(self.fmt, 'name', 'desc')
port = self._make_port(
self.fmt, net_id, security_groups=[sg['security_group']['id']])
return port['port']
def test_security_group_get_ports_from_devices(self):
with self.network() as n:
with self.subnet(n):
port1 = self._make_port_with_new_sec_group(n['network']['id'])
port2 = self._make_port_with_new_sec_group(n['network']['id'])
plugin = manager.NeutronManager.get_plugin()
# should match full ID and starting chars
ports = plugin.get_ports_from_devices(
[port1['id'], port2['id'][0:8]])
self.assertEqual(2, len(ports))
for port_dict in ports:
p = port1 if port1['id'] == port_dict['id'] else port2
self.assertEqual(p['id'], port_dict['id'])
self.assertEqual(p['security_groups'],
port_dict[ext_sg.SECURITYGROUPS])
self.assertEqual([], port_dict['security_group_rules'])
self.assertEqual([p['fixed_ips'][0]['ip_address']],
port_dict['fixed_ips'])
self._delete('ports', p['id'])
def test_security_group_get_ports_from_devices_with_bad_id(self):
plugin = manager.NeutronManager.get_plugin()
ports = plugin.get_ports_from_devices(['bad_device_id'])
self.assertFalse(ports)
def test_security_group_no_db_calls_with_no_ports(self):
plugin = manager.NeutronManager.get_plugin()
with mock.patch(
'neutron.plugins.ml2.db.get_sg_ids_grouped_by_port'
) as get_mock:
self.assertFalse(plugin.get_ports_from_devices([]))
self.assertFalse(get_mock.called)
def test_large_port_count_broken_into_parts(self):
plugin = manager.NeutronManager.get_plugin()
max_ports_per_query = 5
ports_to_query = 73
for max_ports_per_query in (1, 2, 5, 7, 9, 31):
with contextlib.nested(
mock.patch('neutron.plugins.ml2.db.MAX_PORTS_PER_QUERY',
new=max_ports_per_query),
mock.patch('neutron.plugins.ml2.db.get_sg_ids_grouped_by_port',
return_value={}),
) as (max_mock, get_mock):
plugin.get_ports_from_devices(
['%s%s' % (const.TAP_DEVICE_PREFIX, i)
for i in range(ports_to_query)])
all_call_args = map(lambda x: x[1][0], get_mock.mock_calls)
last_call_args = all_call_args.pop()
# all but last should be getting MAX_PORTS_PER_QUERY ports
self.assertTrue(
all(map(lambda x: len(x) == max_ports_per_query,
all_call_args))
)
remaining = ports_to_query % max_ports_per_query
if remaining:
self.assertEqual(remaining, len(last_call_args))
# should be broken into ceil(total/MAX_PORTS_PER_QUERY) calls
self.assertEqual(
math.ceil(ports_to_query / float(max_ports_per_query)),
get_mock.call_count
)
def test_full_uuids_skip_port_id_lookup(self):
plugin = manager.NeutronManager.get_plugin()
# when full UUIDs are provided, the _or statement should only
# have one matching 'IN' critiera for all of the IDs
with contextlib.nested(
mock.patch('neutron.plugins.ml2.db.or_'),
mock.patch('neutron.plugins.ml2.db.db_api.get_session')
) as (or_mock, sess_mock):
fmock = sess_mock.query.return_value.outerjoin.return_value.filter
# return no ports to exit the method early since we are mocking
# the query
fmock.return_value.all.return_value = []
plugin.get_ports_from_devices([test_api_v2._uuid(),
test_api_v2._uuid()])
# the or_ function should only have one argument
or_mock.assert_called_once_with(mock.ANY)
class TestMl2SecurityGroupsXML(TestMl2SecurityGroups):
fmt = 'xml'
class TestMl2SGServerRpcCallBack(
Ml2SecurityGroupsTestCase,
test_sg_rpc.SGServerRpcCallBackTestCase):
pass
class TestMl2SGServerRpcCallBackXML(
Ml2SecurityGroupsTestCase,
test_sg_rpc.SGServerRpcCallBackTestCaseXML):
pass
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