115 lines
4.6 KiB
Python
115 lines
4.6 KiB
Python
# Copyright (c) 2015 Rackspace
|
|
# 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 mock
|
|
from oslo_utils import uuidutils
|
|
|
|
from neutron.agent.l3 import dvr_fip_ns
|
|
from neutron.agent.l3 import dvr_snat_ns
|
|
from neutron.agent.l3 import namespace_manager
|
|
from neutron.agent.l3 import namespaces
|
|
from neutron.agent.linux import ip_lib
|
|
from neutron.tests import base
|
|
|
|
_uuid = uuidutils.generate_uuid
|
|
|
|
|
|
class NamespaceManagerTestCaseFramework(base.BaseTestCase):
|
|
|
|
def _create_namespace_manager(self):
|
|
self.agent_conf = mock.Mock()
|
|
self.driver = mock.Mock()
|
|
return namespace_manager.NamespaceManager(self.agent_conf, self.driver)
|
|
|
|
|
|
class TestNamespaceManager(NamespaceManagerTestCaseFramework):
|
|
|
|
def setUp(self):
|
|
super(TestNamespaceManager, self).setUp()
|
|
self.ns_manager = self._create_namespace_manager()
|
|
|
|
def test_get_prefix_and_id(self):
|
|
router_id = _uuid()
|
|
|
|
ns_prefix, ns_id = self.ns_manager.get_prefix_and_id(
|
|
namespaces.NS_PREFIX + router_id)
|
|
self.assertEqual(namespaces.NS_PREFIX, ns_prefix)
|
|
self.assertEqual(router_id, ns_id)
|
|
|
|
ns_prefix, ns_id = self.ns_manager.get_prefix_and_id(
|
|
dvr_snat_ns.SNAT_NS_PREFIX + router_id)
|
|
self.assertEqual(dvr_snat_ns.SNAT_NS_PREFIX, ns_prefix)
|
|
self.assertEqual(router_id, ns_id)
|
|
|
|
ns_name = 'dhcp-' + router_id
|
|
self.assertIsNone(self.ns_manager.get_prefix_and_id(ns_name))
|
|
|
|
def test_is_managed(self):
|
|
router_id = _uuid()
|
|
|
|
router_ns_name = namespaces.NS_PREFIX + router_id
|
|
self.assertTrue(self.ns_manager.is_managed(router_ns_name))
|
|
router_ns_name = dvr_snat_ns.SNAT_NS_PREFIX + router_id
|
|
self.assertTrue(self.ns_manager.is_managed(router_ns_name))
|
|
|
|
ext_net_id = _uuid()
|
|
router_ns_name = dvr_fip_ns.FIP_NS_PREFIX + ext_net_id
|
|
self.assertTrue(self.ns_manager.is_managed(router_ns_name))
|
|
|
|
self.assertFalse(self.ns_manager.is_managed('dhcp-' + router_id))
|
|
|
|
def test_list_all(self):
|
|
ns_names = [namespaces.NS_PREFIX + _uuid(),
|
|
dvr_snat_ns.SNAT_NS_PREFIX + _uuid(),
|
|
dvr_fip_ns.FIP_NS_PREFIX + _uuid(),
|
|
'dhcp-' + _uuid(), ]
|
|
|
|
# Test the normal path
|
|
with mock.patch.object(ip_lib.IPWrapper, 'get_namespaces',
|
|
return_value=ns_names):
|
|
retrieved_ns_names = self.ns_manager.list_all()
|
|
self.assertEqual(len(ns_names) - 1, len(retrieved_ns_names))
|
|
for i in range(len(retrieved_ns_names)):
|
|
self.assertIn(ns_names[i], retrieved_ns_names)
|
|
self.assertNotIn(ns_names[-1], retrieved_ns_names)
|
|
|
|
# Test path where IPWrapper raises exception
|
|
with mock.patch.object(ip_lib.IPWrapper, 'get_namespaces',
|
|
side_effect=RuntimeError):
|
|
retrieved_ns_names = self.ns_manager.list_all()
|
|
self.assertFalse(retrieved_ns_names)
|
|
|
|
def test_ensure_snat_cleanup(self):
|
|
router_id = _uuid()
|
|
with mock.patch.object(self.ns_manager, '_cleanup') as mock_cleanup:
|
|
self.ns_manager.ensure_snat_cleanup(router_id)
|
|
mock_cleanup.assert_called_once_with(dvr_snat_ns.SNAT_NS_PREFIX,
|
|
router_id)
|
|
|
|
def test_ensure_router_cleanup(self):
|
|
router_id = _uuid()
|
|
ns_names = [namespaces.NS_PREFIX + _uuid() for _ in range(5)]
|
|
ns_names += [dvr_snat_ns.SNAT_NS_PREFIX + _uuid() for _ in range(5)]
|
|
ns_names += [namespaces.NS_PREFIX + router_id,
|
|
dvr_snat_ns.SNAT_NS_PREFIX + router_id]
|
|
with mock.patch.object(ip_lib.IPWrapper, 'get_namespaces',
|
|
return_value=ns_names), \
|
|
mock.patch.object(self.ns_manager, '_cleanup') as mock_cleanup:
|
|
self.ns_manager.ensure_router_cleanup(router_id)
|
|
expected = [mock.call(namespaces.NS_PREFIX, router_id),
|
|
mock.call(dvr_snat_ns.SNAT_NS_PREFIX, router_id)]
|
|
mock_cleanup.assert_has_calls(expected, any_order=True)
|
|
self.assertEqual(2, mock_cleanup.call_count)
|