neutron/neutron/tests/fullstack/test_l3_agent.py

84 lines
3.2 KiB
Python

# Copyright 2015 Red Hat, Inc.
#
# 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 functools
from oslo_utils import uuidutils
from neutron.agent.l3 import agent as l3_agent
from neutron.agent.l3 import namespaces
from neutron.agent.linux import ip_lib
from neutron.agent.linux import utils
from neutron.tests.fullstack import base
from neutron.tests.fullstack.resources import environment
class TestLegacyL3Agent(base.BaseFullStackTestCase):
def __init__(self, *args, **kwargs):
super(TestLegacyL3Agent, self).__init__(
environment.Environment(
[environment.HostDescription(l3_agent=True)]),
*args, **kwargs)
def _get_namespace(self, router_id):
return namespaces.build_ns_name(l3_agent.NS_PREFIX, router_id)
def _assert_namespace_exists(self, ns_name):
ip = ip_lib.IPWrapper(ns_name)
utils.wait_until_true(lambda: ip.netns.exists(ns_name))
def test_namespace_exists(self):
tenant_id = uuidutils.generate_uuid()
router = self.safe_client.create_router(tenant_id)
network = self.safe_client.create_network(tenant_id)
subnet = self.safe_client.create_subnet(
tenant_id, network['id'], '20.0.0.0/24', gateway_ip='20.0.0.1')
self.safe_client.add_router_interface(router['id'], subnet['id'])
namespace = "%s@%s" % (
self._get_namespace(router['id']),
self.environment.hosts[0].l3_agent.get_namespace_suffix(), )
self._assert_namespace_exists(namespace)
class TestHAL3Agent(base.BaseFullStackTestCase):
def __init__(self, *args, **kwargs):
super(TestHAL3Agent, self).__init__(
environment.Environment(
[environment.HostDescription(l3_agent=True),
environment.HostDescription(l3_agent=True)]),
*args, **kwargs)
def _is_ha_router_active_on_one_agent(self, router_id):
agents = self.client.list_l3_agent_hosting_routers(router_id)
return (
agents['agents'][0]['ha_state'] != agents['agents'][1]['ha_state'])
def test_ha_router(self):
# TODO(amuller): Test external connectivity before and after a
# failover, see: https://review.openstack.org/#/c/196393/
tenant_id = uuidutils.generate_uuid()
router = self.safe_client.create_router(tenant_id, ha=True)
agents = self.client.list_l3_agent_hosting_routers(router['id'])
self.assertEqual(2, len(agents['agents']),
'HA router must be scheduled to both nodes')
utils.wait_until_true(
functools.partial(
self._is_ha_router_active_on_one_agent,
router['id']),
timeout=90)