OpenStack Networking (Neutron)
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# 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.
from neutron_lib import constants
from neutronclient.common import exceptions
from oslo_utils import uuidutils
from neutron.tests.fullstack import base
from neutron.tests.fullstack.resources import config
from neutron.tests.fullstack.resources import environment
from neutron.tests.unit import testlib_api
load_tests = testlib_api.module_load_tests
class TestSegmentationId(base.BaseFullStackTestCase):
scenarios = [
('Open vSwitch Agent', {'l2_agent_type': constants.AGENT_TYPE_OVS}),
('Linux Bridge Agent', {
'l2_agent_type': constants.AGENT_TYPE_LINUXBRIDGE})]
def setUp(self):
hosts_description = [
environment.HostDescription(
l2_agent_type=self.l2_agent_type, l3_agent=False)]
env = environment.Environment(
environment.EnvironmentDescription(),
hosts_description)
super(TestSegmentationId, self).setUp(env)
self.tenant_id = uuidutils.generate_uuid()
def _create_network(self):
seg_id = 100
network = self.safe_client.create_network(
self.tenant_id, network_type="vlan", segmentation_id=seg_id,
physical_network=config.PHYSICAL_NETWORK_NAME)
self.assertEqual(seg_id, network['provider:segmentation_id'])
# Ensure that segmentation_id is really set properly in DB
network = self.safe_client.client.show_network(
network['id'])['network']
self.assertEqual(seg_id, network['provider:segmentation_id'])
return network
def _update_segmentation_id(self, network):
# Now change segmentation_id to some other value
new_seg_id = network['provider:segmentation_id'] + 1
new_net_args = {'provider:segmentation_id': new_seg_id}
network = self.safe_client.update_network(
network['id'], **new_net_args)
self.assertEqual(
new_seg_id, network['provider:segmentation_id'])
# Ensure that segmentation_id was really changed
network = self.safe_client.client.show_network(
network['id'])['network']
self.assertEqual(new_seg_id, network['provider:segmentation_id'])
def test_change_segmentation_id_no_ports_in_network(self):
network = self._create_network()
self._update_segmentation_id(network)
def test_change_segmentation_id_with_unbound_ports_in_network(self):
network = self._create_network()
self.safe_client.create_subnet(
self.tenant_id, network['id'], '20.0.0.0/24')
# Unbound port
self.safe_client.create_port(self.tenant_id, network['id'])
# Port failed to bind
self.safe_client.create_port(self.tenant_id, network['id'],
"non-exisiting-host")
self._update_segmentation_id(network)
def test_change_segmentation_id_with_bound_ports_in_network(self):
network = self._create_network()
self.safe_client.create_subnet(
self.tenant_id, network['id'], '20.0.0.0/24')
self.safe_client.create_port(self.tenant_id, network['id'],
self.environment.hosts[0].hostname)
if self.l2_agent_type == constants.AGENT_TYPE_LINUXBRIDGE:
# Linuxbridge agent don't support update of segmentation_id for
# the network so this should raise an exception
self.assertRaises(exceptions.BadRequest,
self._update_segmentation_id, network)
else:
self._update_segmentation_id(network)