130 lines
5.4 KiB
Python
130 lines
5.4 KiB
Python
# Copyright 2017 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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from unittest import mock
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from neutron_lib import fixture as lib_fixtures
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from oslo_config import cfg
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from oslo_utils import uuidutils
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from neutron.agent.ovn.metadata import agent as metadata_agent
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from neutron.agent.ovn.metadata import driver as metadata_driver
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from neutron.conf.agent.metadata import config as meta_conf
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from neutron.conf.agent.ovn.metadata import config as ovn_meta_conf
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from neutron.tests import base
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from neutron.tests.unit.agent.linux import test_utils
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_uuid = uuidutils.generate_uuid
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class TestMetadataDriverProcess(base.BaseTestCase):
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EUNAME = 'neutron'
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EGNAME = 'neutron'
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METADATA_DEFAULT_IP = '169.254.169.254'
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METADATA_PORT = 8080
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METADATA_SOCKET = '/socket/path'
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PIDFILE = 'pidfile'
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def setUp(self):
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super(TestMetadataDriverProcess, self).setUp()
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mock.patch('eventlet.spawn').start()
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ovn_meta_conf.register_meta_conf_opts(meta_conf.SHARED_OPTS, cfg.CONF)
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def test_spawn_metadata_proxy(self):
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datapath_id = _uuid()
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metadata_ns = metadata_agent.NS_PREFIX + datapath_id
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ip_class_path = 'neutron.agent.linux.ip_lib.IPWrapper'
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cfg.CONF.set_override('metadata_proxy_user', self.EUNAME)
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cfg.CONF.set_override('metadata_proxy_group', self.EGNAME)
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cfg.CONF.set_override('metadata_proxy_socket', self.METADATA_SOCKET)
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cfg.CONF.set_override('debug', True)
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agent = metadata_agent.MetadataAgent(cfg.CONF)
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with mock.patch(ip_class_path) as ip_mock,\
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mock.patch(
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'neutron.agent.linux.external_process.'
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'ProcessManager.get_pid_file_name',
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return_value=self.PIDFILE),\
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mock.patch('pwd.getpwnam',
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return_value=test_utils.FakeUser(self.EUNAME)),\
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mock.patch('grp.getgrnam',
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return_value=test_utils.FakeGroup(self.EGNAME)),\
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mock.patch('os.makedirs'):
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cfg_file = os.path.join(
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metadata_driver.HaproxyConfigurator.get_config_path(
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cfg.CONF.state_path),
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"%s.conf" % datapath_id)
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mock_open = self.useFixture(
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lib_fixtures.OpenFixture(cfg_file)).mock_open
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metadata_driver.MetadataDriver.spawn_monitored_metadata_proxy(
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agent._process_monitor,
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metadata_ns,
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self.METADATA_PORT,
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cfg.CONF,
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bind_address=self.METADATA_DEFAULT_IP,
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network_id=datapath_id)
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netns_execute_args = [
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'haproxy',
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'-f', cfg_file]
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cfg_contents = metadata_driver._HAPROXY_CONFIG_TEMPLATE % {
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'user': self.EUNAME,
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'group': self.EGNAME,
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'host': self.METADATA_DEFAULT_IP,
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'port': self.METADATA_PORT,
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'unix_socket_path': self.METADATA_SOCKET,
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'res_type': 'Network',
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'res_id': datapath_id,
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'pidfile': self.PIDFILE,
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'log_level': 'debug'}
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mock_open.assert_has_calls([
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mock.call(cfg_file, 'w'),
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mock.call().write(cfg_contents)],
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any_order=True)
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ip_mock.assert_has_calls([
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mock.call(namespace=metadata_ns),
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mock.call().netns.execute(netns_execute_args, addl_env=None,
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run_as_root=True)
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])
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def test_create_config_file_wrong_user(self):
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with mock.patch('pwd.getpwnam', side_effect=KeyError):
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config = metadata_driver.HaproxyConfigurator(mock.ANY, mock.ANY,
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mock.ANY, mock.ANY,
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mock.ANY, self.EUNAME,
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self.EGNAME, mock.ANY,
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mock.ANY)
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self.assertRaises(metadata_driver.InvalidUserOrGroupException,
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config.create_config_file)
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def test_create_config_file_wrong_group(self):
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with mock.patch('grp.getgrnam', side_effect=KeyError),\
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mock.patch('pwd.getpwnam',
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return_value=test_utils.FakeUser(self.EUNAME)):
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config = metadata_driver.HaproxyConfigurator(mock.ANY, mock.ANY,
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mock.ANY, mock.ANY,
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mock.ANY, self.EUNAME,
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self.EGNAME, mock.ANY,
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mock.ANY)
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self.assertRaises(metadata_driver.InvalidUserOrGroupException,
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config.create_config_file)
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