c01a7a74f0
In Python 3, the mock module is now part of the unittest module. We no longer support Python 2, so there's no reason for the import checks. Change-Id: I7b4d68cba4b587ad9f0121058ba615a9bb0aec93
395 lines
18 KiB
Python
395 lines
18 KiB
Python
# Copyright 2013 Cloudbase Solutions Srl
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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 sys
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import unittest
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import unittest.mock as mock
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from cloudbaseinit import conf as cloudbaseinit_conf
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from cloudbaseinit import init
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from cloudbaseinit.plugins.common import base
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from cloudbaseinit.tests import testutils
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CONF = cloudbaseinit_conf.CONF
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class TestInitManager(unittest.TestCase):
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def setUp(self):
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self._win32com_mock = mock.MagicMock()
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self._comtypes_mock = mock.MagicMock()
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self._pywintypes_mock = mock.MagicMock()
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self._ctypes_mock = mock.MagicMock()
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self._ctypes_util_mock = mock.MagicMock()
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self._module_patcher = mock.patch.dict(
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'sys.modules',
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{'ctypes.util': self._ctypes_util_mock,
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'win32com': self._win32com_mock,
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'comtypes': self._comtypes_mock,
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'pywintypes': self._pywintypes_mock,
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'ctypes': self._ctypes_mock})
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self._module_patcher.start()
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self.osutils = mock.MagicMock()
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self.plugin = mock.MagicMock()
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self._init = init.InitManager()
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def tearDown(self):
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self._module_patcher.stop()
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def _test_get_plugin_section(self, instance_id):
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response = self._init._get_plugins_section(instance_id=instance_id)
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if not instance_id:
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self.assertEqual(self._init._PLUGINS_CONFIG_SECTION, response)
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else:
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expected_response = (
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"%s/%s" % (instance_id, self._init._PLUGINS_CONFIG_SECTION))
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self.assertEqual(expected_response, response)
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def test_get_plugin_section_id(self):
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fake_id = "100"
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self._test_get_plugin_section(instance_id=fake_id)
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def test_get_plugin_section_id_int(self):
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fake_id = 100
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self._test_get_plugin_section(instance_id=fake_id)
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def test_get_plugin_section_no_id(self):
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self._test_get_plugin_section(instance_id=None)
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@mock.patch('cloudbaseinit.init.InitManager._get_plugins_section')
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def test_get_plugin_status(self, mock_get_plugins_section):
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self.osutils.get_config_value.return_value = 1
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response = self._init._get_plugin_status(self.osutils, 'fake id',
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'fake plugin')
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mock_get_plugins_section.assert_called_once_with('fake id')
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self.osutils.get_config_value.assert_called_once_with(
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'fake plugin', mock_get_plugins_section())
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self.assertTrue(response == 1)
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@mock.patch('cloudbaseinit.init.InitManager._get_plugins_section')
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def test_set_plugin_status(self, mock_get_plugins_section):
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self._init._set_plugin_status(self.osutils, 'fake id',
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'fake plugin', 'status')
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mock_get_plugins_section.assert_called_once_with('fake id')
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self.osutils.set_config_value.assert_called_once_with(
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'fake plugin', 'status', mock_get_plugins_section())
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@mock.patch('cloudbaseinit.init.InitManager._get_plugin_status')
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@mock.patch('cloudbaseinit.init.InitManager._set_plugin_status')
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def _test_exec_plugin(self, status, mock_set_plugin_status,
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mock_get_plugin_status):
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fake_name = 'fake name'
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self.plugin.get_name.return_value = fake_name
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self.plugin.execute.return_value = (status, True)
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mock_get_plugin_status.return_value = status
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response = self._init._exec_plugin(osutils=self.osutils,
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service='fake service',
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plugin=self.plugin,
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instance_id='fake id',
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shared_data='shared data')
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mock_get_plugin_status.assert_called_once_with(self.osutils,
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'fake id',
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fake_name)
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if status is base.PLUGIN_EXECUTE_ON_NEXT_BOOT:
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self.plugin.execute.assert_called_once_with('fake service',
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'shared data')
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mock_set_plugin_status.assert_called_once_with(self.osutils,
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'fake id',
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fake_name, status)
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self.assertTrue(response)
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def test_exec_plugin_exception_occurs(self):
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fake_name = 'fake name'
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mock_plugin = mock.MagicMock()
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mock_plugin.get_name.return_value = fake_name
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mock_plugin.execute.side_effect = Exception
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expected_logging = ["Executing plugin 'fake name'",
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"plugin 'fake name' failed with error ''"]
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with testutils.LogSnatcher('cloudbaseinit.init') as snatcher:
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self._init._exec_plugin(osutils=self.osutils,
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service='fake service',
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plugin=mock_plugin,
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instance_id='fake id',
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shared_data='shared data')
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self.assertEqual(expected_logging, snatcher.output[:2])
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def test_exec_plugin_execution_done(self):
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self._test_exec_plugin(base.PLUGIN_EXECUTION_DONE)
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def test_exec_plugin(self):
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self._test_exec_plugin(base.PLUGIN_EXECUTE_ON_NEXT_BOOT)
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def _test_check_plugin_os_requirements(self, requirements):
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sys.platform = 'win32'
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fake_name = 'fake name'
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self.plugin.get_name.return_value = fake_name
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self.plugin.get_os_requirements.return_value = requirements
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response = self._init._check_plugin_os_requirements(self.osutils,
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self.plugin)
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self.plugin.get_name.assert_called_once_with()
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self.plugin.get_os_requirements.assert_called_once_with()
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if requirements[0] == 'win32':
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self.assertTrue(response)
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else:
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self.assertFalse(response)
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def test_check_plugin_os_requirements(self):
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self._test_check_plugin_os_requirements(('win32', (5, 2)))
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def test_check_plugin_os_requirements_other_requirenments(self):
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self._test_check_plugin_os_requirements(('linux', (5, 2)))
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def test_check_plugins_os_not_min_os_version(self):
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sys.platform = 'win32'
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fake_name = 'fake name'
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self.plugin.get_name.return_value = fake_name
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self.plugin.get_os_requirements.return_value = ('win32', 0)
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response = self._init._check_plugin_os_requirements(self.osutils,
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self.plugin)
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self.plugin.get_name.assert_called_once_with()
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self.assertTrue(response)
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def test_check_plugins_os_not_supported(self):
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fake_name = 'fake name'
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self.plugin.get_name.return_value = fake_name
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mock_osutils = mock.MagicMock()
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mock_osutils.check_os_version.return_value = None
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self.plugin.get_os_requirements.return_value = ('win32', (5, 2))
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response = self._init._check_plugin_os_requirements(mock_osutils,
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self.plugin)
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self.assertFalse(response)
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@mock.patch('cloudbaseinit.init.InitManager.'
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'_exec_plugin')
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@mock.patch('cloudbaseinit.init.InitManager.'
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'_check_plugin_os_requirements')
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@mock.patch('cloudbaseinit.plugins.factory.load_plugins')
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def _test_handle_plugins_stage(self, mock_load_plugins,
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mock_check_plugin_os_requirements,
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mock_exec_plugin,
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reboot=True, fast_reboot=True,
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success=True):
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stage = "fake stage"
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service, instance_id = mock.Mock(), mock.Mock()
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plugins = [mock.Mock() for _ in range(3)]
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mock_check_plugin_os_requirements.return_value = True
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mock_exec_plugin.return_value = success, reboot
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mock_load_plugins.return_value = plugins
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requirements_calls = [mock.call(self.osutils, plugin)
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for plugin in plugins]
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exec_plugin_calls = [mock.call(self.osutils, service, plugin,
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instance_id, {})
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for plugin in plugins]
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with testutils.LogSnatcher('cloudbaseinit.init') as snatcher:
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response = self._init._handle_plugins_stage(
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self.osutils, service, instance_id, stage)
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self.assertEqual(
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["Executing plugins for stage '{}':".format(stage)],
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snatcher.output)
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mock_load_plugins.assert_called_once_with(stage)
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idx = 1 if (reboot and fast_reboot) else len(plugins)
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mock_check_plugin_os_requirements.assert_has_calls(
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requirements_calls[:idx])
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mock_exec_plugin.assert_has_calls(exec_plugin_calls[:idx])
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self.assertEqual((success, reboot), response)
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def test_handle_plugins_stage(self):
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self._test_handle_plugins_stage()
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def test_handle_plugins_stage_no_reboot(self):
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self._test_handle_plugins_stage(reboot=False, fast_reboot=False)
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@testutils.ConfPatcher('allow_reboot', False)
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def test_handle_plugins_stage_no_fast_reboot(self):
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self._test_handle_plugins_stage(fast_reboot=False)
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def test_handle_plugins_stage_stage_fails(self):
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self._test_handle_plugins_stage(success=False)
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@mock.patch('cloudbaseinit.init.InitManager.'
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'_reset_service_password_and_respawn')
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@mock.patch('cloudbaseinit.init.InitManager'
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'._handle_plugins_stage')
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@mock.patch('cloudbaseinit.init.InitManager._check_latest_version')
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@mock.patch('cloudbaseinit.version.get_version')
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@mock.patch('cloudbaseinit.plugins.factory.load_plugins')
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@mock.patch('cloudbaseinit.osutils.factory.get_os_utils')
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@mock.patch('cloudbaseinit.metadata.factory.get_metadata_service')
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def _test_configure_host(self, mock_get_metadata_service,
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mock_get_os_utils, mock_load_plugins,
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mock_get_version, mock_check_latest_version,
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mock_handle_plugins_stage, mock_reset_service,
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expected_logging,
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version, name, instance_id, reboot=True,
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last_stage=False):
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sys.platform = 'win32'
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mock_get_version.return_value = version
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fake_service = mock.MagicMock()
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fake_plugin = mock.MagicMock()
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mock_load_plugins.return_value = [fake_plugin]
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mock_get_os_utils.return_value = self.osutils
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mock_get_metadata_service.return_value = fake_service
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fake_service.get_name.return_value = name
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fake_service.get_instance_id.return_value = instance_id
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mock_handle_plugins_stage.side_effect = [(True, False), (True, False),
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(last_stage, True)]
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stages = [
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base.PLUGIN_STAGE_PRE_NETWORKING,
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base.PLUGIN_STAGE_PRE_METADATA_DISCOVERY,
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base.PLUGIN_STAGE_MAIN]
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stage_calls_list = [[self.osutils, None, None, stage]
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for stage in stages]
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stage_calls_list[2][1] = fake_service
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stage_calls_list[2][2] = instance_id
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stage_calls = [mock.call(*args) for args in stage_calls_list]
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with testutils.LogSnatcher('cloudbaseinit.init') as snatcher:
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self._init.configure_host()
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self.assertEqual(expected_logging, snatcher.output)
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mock_check_latest_version.assert_called_once_with()
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if CONF.reset_service_password:
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mock_reset_service.assert_called_once_with(self.osutils)
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if last_stage:
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fake_service.provisioning_completed.assert_called_once_with()
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self.osutils.wait_for_boot_completion.assert_called_once_with()
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mock_get_metadata_service.assert_called_once_with()
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fake_service.get_name.assert_called_once_with()
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fake_service.get_instance_id.assert_called_once_with()
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fake_service.cleanup.assert_called_once_with()
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mock_handle_plugins_stage.assert_has_calls(stage_calls)
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if reboot:
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self.osutils.reboot.assert_called_once_with()
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else:
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self.assertFalse(self.osutils.reboot.called)
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def _test_configure_host_with_logging(self, extra_logging, reboot=True,
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last_stage=False):
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instance_id = 'fake id'
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name = 'fake name'
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version = 'version'
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expected_logging = [
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'Cloudbase-Init version: %s' % version,
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'Metadata service loaded: %r' % name,
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'Instance id: %s' % instance_id,
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]
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if CONF.metadata_report_provisioning_started:
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expected_logging.insert(2, 'Reporting provisioning started')
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self._test_configure_host(
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expected_logging=expected_logging + extra_logging,
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version=version, name=name, instance_id=instance_id,
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reboot=reboot, last_stage=last_stage)
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@testutils.ConfPatcher('metadata_report_provisioning_completed', True)
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@testutils.ConfPatcher('allow_reboot', False)
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@testutils.ConfPatcher('stop_service_on_exit', False)
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def test_configure_host_no_reboot_no_service_stopping_reporting_done(self):
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self._test_configure_host_with_logging(
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reboot=False,
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extra_logging=['Plugins execution done',
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'Reporting provisioning completed'],
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last_stage=True)
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@testutils.ConfPatcher('allow_reboot', False)
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@testutils.ConfPatcher('stop_service_on_exit', True)
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def test_configure_host_no_reboot_allow_service_stopping(self):
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self._test_configure_host_with_logging(
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reboot=False,
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extra_logging=['Plugins execution done',
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'Stopping Cloudbase-Init service'])
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self.osutils.terminate.assert_called_once_with()
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@testutils.ConfPatcher('metadata_report_provisioning_completed', True)
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@testutils.ConfPatcher('allow_reboot', True)
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def test_configure_host_reboot_reporting_started_and_failed(self):
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self._test_configure_host_with_logging(
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extra_logging=['Reporting provisioning failed', 'Rebooting'])
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@testutils.ConfPatcher('check_latest_version', False)
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@mock.patch('cloudbaseinit.version.check_latest_version')
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def test_configure_host(self, mock_check_last_version):
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self._init._check_latest_version()
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self.assertFalse(mock_check_last_version.called)
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@testutils.ConfPatcher('check_latest_version', True)
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@mock.patch('cloudbaseinit.version.check_latest_version')
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def test_configure_host_with_version_check(self, mock_check_last_version):
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self._init._check_latest_version()
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mock_check_last_version.assert_called_once()
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@mock.patch('os.path.basename')
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@mock.patch("sys.executable")
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@mock.patch("sys.argv")
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@mock.patch("sys.exit")
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def _test_reset_service_password_and_respawn(self, mock_exit, mock_argv,
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mock_executable, mock_os_path,
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credentials, current_user):
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token = mock.sentinel.token
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self.osutils.create_user_logon_session.return_value = token
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self.osutils.execute_process_as_user.return_value = 0
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self.osutils.reset_service_password.return_value = credentials
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self.osutils.get_current_user.return_value = current_user
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expected_logging = []
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arguments = sys.argv + ["--noreset_service_password"]
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with testutils.LogSnatcher('cloudbaseinit.init') as snatcher:
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self._init._reset_service_password_and_respawn(self.osutils)
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if not credentials:
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return
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if credentials[1] != current_user[1]:
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expected_logging = [
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"No need to respawn process. Current user: "
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"%(current_user)s. Service user: %(service_user)s" %
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{"current_user": current_user[1],
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"service_user": credentials[1]}
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]
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self.assertEqual(expected_logging, snatcher.output)
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else:
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self.osutils.create_user_logon_session.assert_called_once_with(
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credentials[1], credentials[2], credentials[0],
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logon_type=self.osutils.LOGON32_LOGON_BATCH)
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self.osutils.execute_process_as_user.assert_called_once_with(
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token, arguments)
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mock_exit.assert_called_once_with(0)
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def test_reset_service_password_and_respawn(self):
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current_user = [mock.sentinel.domain, mock.sentinel.current_user]
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self._test_reset_service_password_and_respawn(
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credentials=None,
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current_user=current_user
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)
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self._test_reset_service_password_and_respawn(
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credentials=[mock.sentinel.domain, mock.sentinel.user,
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mock.sentinel.password],
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current_user=current_user
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)
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self._test_reset_service_password_and_respawn(
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credentials=[mock.sentinel.domain, mock.sentinel.current_user,
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mock.sentinel.password],
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current_user=current_user
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)
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