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#!/usr/bin/env python
# Copyright 2016 NEC Corporation
# 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 imp
import os
import sys
from unittest import mock
from oslotest import base
sys.modules['dbus'] = mock.MagicMock()
this_dir = os.path.dirname(sys.modules[__name__].__file__)
ansible_dir = os.path.join(this_dir, '..', '..', 'ansible')
systemd_worker_file = os.path.join(ansible_dir,
'module_utils', 'kolla_systemd_worker.py')
swm = imp.load_source('kolla_systemd_worker', systemd_worker_file)
class TestSystemd(base.BaseTestCase):
def setUp(self) -> None:
super(TestSystemd, self).setUp()
self.params_dict = dict(
name='test',
restart_policy='no',
client_timeout=120,
restart_retries=10,
graceful_timeout=15
)
swm.sleep = mock.Mock()
self.sw = swm.SystemdWorker(self.params_dict)
def test_manager(self):
self.assertIsNotNone(self.sw)
self.assertIsNotNone(self.sw.manager)
def test_start(self):
self.sw.perform_action = mock.Mock(return_value=True)
self.sw.wait_for_unit = mock.Mock(return_value=True)
self.sw.start()
self.sw.perform_action.assert_called_once_with(
'StartUnit',
'kolla-test-container.service',
'replace'
)
def test_restart(self):
self.sw.perform_action = mock.Mock(return_value=True)
self.sw.wait_for_unit = mock.Mock(return_value=True)
self.sw.restart()
self.sw.perform_action.assert_called_once_with(
'RestartUnit',
'kolla-test-container.service',
'replace'
)
def test_stop(self):
self.sw.perform_action = mock.Mock(return_value=True)
self.sw.stop()
self.sw.perform_action.assert_called_once_with(
'StopUnit',
'kolla-test-container.service',
'replace'
)
def test_reload(self):
self.sw.perform_action = mock.Mock(return_value=True)
self.sw.reload()
self.sw.perform_action.assert_called_once_with(
'Reload',
'kolla-test-container.service',
'replace'
)
def test_enable(self):
self.sw.perform_action = mock.Mock(return_value=True)
self.sw.enable()
self.sw.perform_action.assert_called_once_with(
'EnableUnitFiles',
['kolla-test-container.service'],
False,
True
)
def test_check_unit_change(self):
self.sw.generate_unit_file = mock.Mock()
self.sw.check_unit_file = mock.Mock(return_value=True)
open_mock = mock.mock_open(read_data='test data')
return_val = None
with mock.patch('builtins.open', open_mock, create=True):
return_val = self.sw.check_unit_change('test data')
self.assertFalse(return_val)
self.sw.generate_unit_file.assert_not_called()
open_mock.assert_called_with(
'/etc/systemd/system/kolla-test-container.service',
'r'
)
open_mock.return_value.read.assert_called_once()
def test_check_unit_change_diff(self):
self.sw.generate_unit_file = mock.Mock()
self.sw.check_unit_file = mock.Mock(return_value=True)
open_mock = mock.mock_open(read_data='new data')
return_val = None
with mock.patch('builtins.open', open_mock, create=True):
return_val = self.sw.check_unit_change('old data')
self.assertTrue(return_val)
self.sw.generate_unit_file.assert_not_called()
open_mock.assert_called_with(
'/etc/systemd/system/kolla-test-container.service',
'r'
)
open_mock.return_value.read.assert_called_once()
@mock.patch(
'kolla_systemd_worker.TEMPLATE',
"""${name}, ${restart_policy},
${graceful_timeout}, ${restart_timeout},
${restart_retries}"""
)
def test_generate_unit_file(self):
self.sw = swm.SystemdWorker(self.params_dict)
p = self.params_dict
ref_string = f"""{p.get('name')}, {p.get('restart_policy')},
{p.get('graceful_timeout')}, {p.get('client_timeout')},
{p.get('restart_retries')}"""
ret_string = self.sw.generate_unit_file()
self.assertEqual(ref_string, ret_string)
def test_create_unit_file(self):
self.sw.generate_unit_file = mock.Mock(return_value='test data')
self.sw.check_unit_change = mock.Mock(return_value=True)
self.sw.reload = mock.Mock()
self.sw.enable = mock.Mock()
open_mock = mock.mock_open()
return_val = None
with mock.patch('builtins.open', open_mock, create=True):
return_val = self.sw.create_unit_file()
self.assertTrue(return_val)
open_mock.assert_called_with(
'/etc/systemd/system/kolla-test-container.service',
'w'
)
open_mock.return_value.write.assert_called_once_with('test data')
self.sw.reload.assert_called_once()
self.sw.enable.assert_called_once()
def test_create_unit_file_no_change(self):
self.sw.generate_unit_file = mock.Mock()
self.sw.check_unit_change = mock.Mock(return_value=False)
self.sw.reload = mock.Mock()
self.sw.enable = mock.Mock()
open_mock = mock.mock_open()
return_val = self.sw.create_unit_file()
self.assertFalse(return_val)
open_mock.assert_not_called()
self.sw.reload.assert_not_called()
self.sw.enable.assert_not_called()
def test_remove_unit_file(self):
self.sw.check_unit_file = mock.Mock(return_value=True)
os.remove = mock.Mock()
self.sw.reload = mock.Mock()
return_val = self.sw.remove_unit_file()
self.assertTrue(return_val)
os.remove.assert_called_once_with(
'/etc/systemd/system/kolla-test-container.service'
)
self.sw.reload.assert_called_once()
def test_get_unit_state(self):
unit_list = [
('foo.service', '', 'loaded', 'active', 'exited'),
('kolla-test-container.service', '', 'loaded', 'active', 'running')
]
self.sw.manager.ListUnits = mock.Mock(return_value=unit_list)
state = self.sw.get_unit_state()
self.sw.manager.ListUnits.assert_called_once()
self.assertEqual('running', state)
def test_get_unit_state_not_exist(self):
unit_list = [
('foo.service', '', 'loaded', 'active', 'exited'),
('bar.service', '', 'loaded', 'active', 'running')
]
self.sw.manager.ListUnits = mock.Mock(return_value=unit_list)
state = self.sw.get_unit_state()
self.sw.manager.ListUnits.assert_called_once()
self.assertIsNone(state)
def test_wait_for_unit(self):
self.sw.get_unit_state = mock.Mock()
self.sw.get_unit_state.side_effect = ['starting', 'running']
result = self.sw.wait_for_unit(10)
self.assertTrue(result)
def test_wait_for_unit_timeout(self):
self.sw.get_unit_state = mock.Mock()
self.sw.get_unit_state.side_effect = [
'starting', 'starting', 'failed', 'failed']
result = self.sw.wait_for_unit(10)
self.assertFalse(result)