tobiko/tobiko/tests/functional/openstack/neutron/test_agent.py

150 lines
5.1 KiB
Python

# Copyright (c) 2022 Red Hat, 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.
from __future__ import absolute_import
import os
import testtools
import tobiko
from tobiko.openstack import keystone
from tobiko.openstack import neutron
from tobiko.openstack import tests
from tobiko.openstack import stacks
from tobiko.shell import sh
@keystone.skip_unless_has_keystone_credentials()
class AgentTest(testtools.TestCase):
def test_skip_if_missing_agents(self, count=1, should_skip=False,
**params):
if should_skip:
expected_exception = self.skipException
else:
expected_exception = self.failureException
@neutron.skip_if_missing_networking_agents(count=count, **params)
def method():
raise self.fail('Not skipped')
exception = self.assertRaises(expected_exception, method)
if should_skip:
agents = neutron.list_agents(**params)
message = "missing {!r} agent(s)".format(count - len(agents))
if params:
message += " with {!s}".format(
','.join('{!s}={!r}'.format(k, v)
for k, v in params.items()))
self.assertEqual(message, str(exception))
else:
self.assertEqual('Not skipped', str(exception))
def test_skip_if_missing_agents_with_no_agents(self):
self.test_skip_if_missing_agents(binary='never-never-land',
should_skip=True)
def test_skip_if_missing_agents_with_big_count(self):
self.test_skip_if_missing_agents(count=1000000,
should_skip=True)
def test_neutron_agents_are_alive(self):
agents = tests.test_neutron_agents_are_alive()
# check has agents and they are all alive
self.assertNotEqual([], agents)
self.assertNotEqual([], agents.with_items(alive=True))
def test_find_agents_with_binary(self):
agent = neutron.list_agents().first
agents = neutron.list_agents(binary=agent['binary'])
self.assertIn(agent['id'], {a['id'] for a in agents})
class GetL3AgentModeTest(testtools.TestCase):
@property
def connection(self) -> sh.ShellConnection:
return sh.local_shell_connection()
def create_file(self, text: str) -> str:
temp_dir = self.connection.make_temp_dir()
temp_file = os.path.join(temp_dir, 'l3_agent.ini')
with self.connection.open_file(temp_file, 'wt') as fd:
fd.write(text)
return temp_file
def test_get_l3_agent_mode(self):
text = """
agent_mode=dvr
"""
l3_agent_conf_path = self.create_file(text=text)
result = neutron.get_l3_agent_mode(
l3_agent_conf_path=l3_agent_conf_path,
connection=self.connection)
self.assertEqual('dvr', result)
def test_get_l3_agent_mode_with_empty(self):
l3_agent_conf_path = self.create_file(text='')
result = neutron.get_l3_agent_mode(
l3_agent_conf_path=l3_agent_conf_path,
connection=self.connection)
self.assertEqual('legacy', result)
def test_get_l3_agent_mode_with_section(self):
text = """
[DEFAULT]
agent_mode=dvr_no_external
"""
l3_agent_conf_path = self.create_file(text=text)
result = neutron.get_l3_agent_mode(
l3_agent_conf_path=l3_agent_conf_path,
connection=self.connection)
self.assertEqual('dvr_no_external', result)
def test_get_l3_agent_mode_with_wrong_section(self):
text = """
[wrong-section]
agent_mode=dvr
"""
l3_agent_conf_path = self.create_file(text=text)
result = neutron.get_l3_agent_mode(
l3_agent_conf_path=l3_agent_conf_path,
connection=self.connection)
self.assertEqual('legacy', result)
def test_get_l3_agent_mode_with_tricky_option(self):
text = """
agent_mode_2=dvr
"""
l3_agent_conf_path = self.create_file(text=text)
result = neutron.get_l3_agent_mode(
l3_agent_conf_path=l3_agent_conf_path,
connection=self.connection)
self.assertEqual('legacy', result)
class SSHGetL3AgentModeTest(GetL3AgentModeTest):
server_stack = tobiko.required_fixture(
stacks.UbuntuMinimalServerStackFixture)
@property
def connection(self) -> sh.SSHShellConnection:
connection = sh.shell_connection()
if isinstance(connection, sh.SSHShellConnection):
return connection
return self.server_stack.connection