Tempest plugin for the Neutron project.
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# Copyright 2013 IBM Corp.
#
# 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 tempest.lib.common.utils import data_utils
from tempest.lib import decorators
from neutron_tempest_plugin.api import base
from neutron_tempest_plugin import exceptions
AGENT_TYPE = 'L3 agent'
AGENT_MODES = (
'legacy',
'dvr_snat'
)
class L3AgentSchedulerTestJSON(base.BaseAdminNetworkTest):
_agent_mode = 'legacy'
"""
Tests the following operations in the Neutron API using the REST client for
Neutron:
List routers that the given L3 agent is hosting.
List L3 agents hosting the given router.
Add and Remove Router to L3 agent
v2.0 of the Neutron API is assumed.
The l3_agent_scheduler extension is required for these tests.
"""
required_extensions = ['l3_agent_scheduler']
@classmethod
def resource_setup(cls):
super(L3AgentSchedulerTestJSON, cls).resource_setup()
body = cls.admin_client.list_agents()
agents = body['agents']
for agent in agents:
# TODO(armax): falling back on default _agent_mode can be
# dropped as soon as Icehouse is dropped.
agent_mode = (
agent['configurations'].get('agent_mode', cls._agent_mode))
if agent['agent_type'] == AGENT_TYPE and agent_mode in AGENT_MODES:
cls.agent = agent
break
else:
msg = "L3 Agent Scheduler enabled in conf, but L3 Agent not found"
raise exceptions.InvalidConfiguration(msg)
cls.router = cls.create_router(data_utils.rand_name('router'))
@decorators.idempotent_id('b7ce6e89-e837-4ded-9b78-9ed3c9c6a45a')
def test_list_routers_on_l3_agent(self):
self.admin_client.list_routers_on_l3_agent(self.agent['id'])
@decorators.idempotent_id('9464e5e7-8625-49c3-8fd1-89c52be59d66')
def test_add_list_remove_router_on_l3_agent(self):
l3_agent_ids = list()
# First list agents which host router
body = self.admin_client.list_l3_agents_hosting_router(
self.router['id'])
# Now remove router from all agents
for agent in body['agents']:
self.admin_client.remove_router_from_l3_agent(
agent['id'], self.router['id'])
# Now list agents which host router again - list should be empty
body = self.admin_client.list_l3_agents_hosting_router(
self.router['id'])
self.assertEqual([], body['agents'])
# Now add router to one of agents
self.admin_client.add_router_to_l3_agent(
self.agent['id'],
router_id=self.router['id'])
# And check that router is hosted by this agent
body = self.admin_client.list_l3_agents_hosting_router(
self.router['id'])
for agent in body['agents']:
l3_agent_ids.append(agent['id'])
self.assertIn('agent_type', agent)
self.assertEqual('L3 agent', agent['agent_type'])
self.assertIn(self.agent['id'], l3_agent_ids)