3c01c2704d
Adds a local unit tests base and replaces the one used by the unit tests, in order to reduce dependencies and simplify the unit tests, as they can be simpler for this project.
275 lines
12 KiB
Python
275 lines
12 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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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 mock
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from hyperv.nova import livemigrationutils
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from hyperv.tests import test
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class LiveMigrationUtilsTestCase(test.NoDBTestCase):
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"""Unit tests for the Hyper-V LiveMigrationUtils class."""
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_FAKE_RET_VAL = 0
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_RESOURCE_TYPE_VHD = 31
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_RESOURCE_TYPE_DISK = 17
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_RESOURCE_SUB_TYPE_VHD = 'Microsoft:Hyper-V:Virtual Hard Disk'
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_RESOURCE_SUB_TYPE_DISK = 'Microsoft:Hyper-V:Physical Disk Drive'
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def setUp(self):
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self.liveutils = livemigrationutils.LiveMigrationUtils()
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self.liveutils._vmutils = mock.MagicMock()
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self.liveutils._volutils = mock.MagicMock()
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self._conn = mock.MagicMock()
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self.liveutils._get_conn_v2 = mock.MagicMock(return_value=self._conn)
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super(LiveMigrationUtilsTestCase, self).setUp()
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def test_check_live_migration_config(self):
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mock_migr_svc = self._conn.Msvm_VirtualSystemMigrationService()[0]
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vsmssd = mock.MagicMock()
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vsmssd.EnableVirtualSystemMigration = True
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mock_migr_svc.associators.return_value = [vsmssd]
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mock_migr_svc.MigrationServiceListenerIPAdressList.return_value = [
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mock.sentinel.FAKE_HOST]
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self.liveutils.check_live_migration_config()
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self.assertTrue(mock_migr_svc.associators.called)
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@mock.patch.object(livemigrationutils.LiveMigrationUtils,
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'_destroy_planned_vm')
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def test_check_existing_planned_vm_found(self, mock_destroy_planned_vm):
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mock_vm = mock.MagicMock()
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mock_v2 = mock.MagicMock()
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mock_v2.Msvm_PlannedComputerSystem.return_value = [mock_vm]
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self.liveutils._check_existing_planned_vm(mock_v2, mock_vm)
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mock_destroy_planned_vm.assert_called_once_with(mock_v2, mock_vm)
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@mock.patch.object(livemigrationutils.LiveMigrationUtils,
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'_destroy_planned_vm')
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def test_check_existing_planned_vm_none(self, mock_destroy_planned_vm):
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mock_v2 = mock.MagicMock()
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mock_v2.Msvm_PlannedComputerSystem.return_value = []
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self.liveutils._check_existing_planned_vm(mock_v2, mock.MagicMock())
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self.assertFalse(mock_destroy_planned_vm.called)
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def test_create_remote_planned_vm(self):
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mock_vsmsd = self._conn.query()[0]
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mock_vm = mock.MagicMock()
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mock_v2 = mock.MagicMock()
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mock_v2.Msvm_PlannedComputerSystem.return_value = [mock_vm]
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migr_svc = self._conn.Msvm_VirtualSystemMigrationService()[0]
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migr_svc.MigrateVirtualSystemToHost.return_value = (
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self._FAKE_RET_VAL, mock.sentinel.FAKE_JOB_PATH)
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resulted_vm = self.liveutils._create_remote_planned_vm(
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self._conn, mock_v2, mock_vm, [mock.sentinel.FAKE_REMOTE_IP_ADDR],
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mock.sentinel.FAKE_HOST)
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self.assertEqual(mock_vm, resulted_vm)
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migr_svc.MigrateVirtualSystemToHost.assert_called_once_with(
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ComputerSystem=mock_vm.path_.return_value,
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DestinationHost=mock.sentinel.FAKE_HOST,
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MigrationSettingData=mock_vsmsd.GetText_.return_value)
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def test_get_physical_disk_paths(self):
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ide_path = {mock.sentinel.IDE_PATH: mock.sentinel.IDE_HOST_RESOURCE}
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scsi_path = {mock.sentinel.SCSI_PATH: mock.sentinel.SCSI_HOST_RESOURCE}
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ide_ctrl = self.liveutils._vmutils.get_vm_ide_controller.return_value
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scsi_ctrl = self.liveutils._vmutils.get_vm_scsi_controller.return_value
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mock_get_controller_paths = (
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self.liveutils._vmutils.get_controller_volume_paths)
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mock_get_controller_paths.side_effect = [ide_path, scsi_path]
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result = self.liveutils._get_physical_disk_paths(mock.sentinel.VM_NAME)
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expected = dict(ide_path)
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expected.update(scsi_path)
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self.assertDictContainsSubset(expected, result)
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calls = [mock.call(ide_ctrl), mock.call(scsi_ctrl)]
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mock_get_controller_paths.assert_has_calls(calls)
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def test_get_physical_disk_paths_no_ide(self):
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scsi_path = {mock.sentinel.SCSI_PATH: mock.sentinel.SCSI_HOST_RESOURCE}
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scsi_ctrl = self.liveutils._vmutils.get_vm_scsi_controller.return_value
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mock_get_controller_paths = (
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self.liveutils._vmutils.get_controller_volume_paths)
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self.liveutils._vmutils.get_vm_ide_controller.return_value = None
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mock_get_controller_paths.return_value = scsi_path
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result = self.liveutils._get_physical_disk_paths(mock.sentinel.VM_NAME)
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self.assertEqual(scsi_path, result)
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mock_get_controller_paths.assert_called_once_with(scsi_ctrl)
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@mock.patch.object(livemigrationutils.volumeutilsv2, 'VolumeUtilsV2')
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def test_get_remote_disk_data(self, mock_vol_utils_class):
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mock_vol_utils_remote = mock_vol_utils_class.return_value
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mock_vm_utils = mock.MagicMock()
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disk_paths = {
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mock.sentinel.FAKE_RASD_PATH: mock.sentinel.FAKE_DISK_PATH}
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self.liveutils._volutils.get_target_from_disk_path.return_value = (
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mock.sentinel.FAKE_IQN, mock.sentinel.FAKE_LUN)
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mock_vol_utils_remote.get_device_number_for_target.return_value = (
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mock.sentinel.FAKE_DEV_NUM)
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mock_vm_utils.get_mounted_disk_by_drive_number.return_value = (
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mock.sentinel.FAKE_DISK_PATH)
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disk_paths = self.liveutils._get_remote_disk_data(
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mock_vm_utils, disk_paths, mock.sentinel.FAKE_HOST)
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self.liveutils._volutils.get_target_from_disk_path.assert_called_with(
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mock.sentinel.FAKE_DISK_PATH)
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mock_vol_utils_remote.get_device_number_for_target.assert_called_with(
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mock.sentinel.FAKE_IQN, mock.sentinel.FAKE_LUN)
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mock_vm_utils.get_mounted_disk_by_drive_number.assert_called_once_with(
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mock.sentinel.FAKE_DEV_NUM)
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self.assertEqual(
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{mock.sentinel.FAKE_RASD_PATH: mock.sentinel.FAKE_DISK_PATH},
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disk_paths)
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def test_update_planned_vm_disk_resources(self):
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mock_vm_utils = mock.MagicMock()
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self._prepare_vm_mocks(self._RESOURCE_TYPE_DISK,
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self._RESOURCE_SUB_TYPE_DISK)
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mock_vm = self._conn.Msvm_ComputerSystem.return_value[0]
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sasd = mock_vm.associators()[0].associators()[0]
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mock_vsmsvc = self._conn.Msvm_VirtualSystemManagementService()[0]
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self.liveutils._update_planned_vm_disk_resources(
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mock_vm_utils, self._conn, mock_vm, mock.sentinel.FAKE_VM_NAME,
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{sasd.path.return_value.RelPath: mock.sentinel.FAKE_RASD_PATH})
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mock_vsmsvc.ModifyResourceSettings.assert_called_once_with(
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ResourceSettings=[sasd.GetText_.return_value])
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def test_get_vhd_setting_data(self):
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self._prepare_vm_mocks(self._RESOURCE_TYPE_VHD,
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self._RESOURCE_SUB_TYPE_VHD)
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mock_vm = self._conn.Msvm_ComputerSystem.return_value[0]
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mock_sasd = mock_vm.associators()[0].associators()[0]
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vhd_sds = self.liveutils._get_vhd_setting_data(mock_vm)
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self.assertEqual([mock_sasd.GetText_.return_value], vhd_sds)
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def test_live_migrate_vm_helper(self):
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mock_conn_local = mock.MagicMock()
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mock_vm = mock.MagicMock()
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mock_vsmsd = mock_conn_local.query()[0]
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mock_vsmsvc = mock_conn_local.Msvm_VirtualSystemMigrationService()[0]
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mock_vsmsvc.MigrateVirtualSystemToHost.return_value = (
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self._FAKE_RET_VAL, mock.sentinel.FAKE_JOB_PATH)
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self.liveutils._live_migrate_vm(
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mock_conn_local, mock_vm, None,
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[mock.sentinel.FAKE_REMOTE_IP_ADDR],
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mock.sentinel.FAKE_RASD_PATH, mock.sentinel.FAKE_HOST)
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mock_vsmsvc.MigrateVirtualSystemToHost.assert_called_once_with(
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ComputerSystem=mock_vm.path_.return_value,
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DestinationHost=mock.sentinel.FAKE_HOST,
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MigrationSettingData=mock_vsmsd.GetText_.return_value,
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NewResourceSettingData=mock.sentinel.FAKE_RASD_PATH)
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@mock.patch.object(livemigrationutils, 'vmutilsv2')
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def test_live_migrate_vm(self, mock_vm_utils):
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mock_vm_utils_remote = mock_vm_utils.VMUtilsV2.return_value
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mock_vm = self._get_vm()
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mock_migr_svc = self._conn.Msvm_VirtualSystemMigrationService()[0]
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mock_migr_svc.MigrationServiceListenerIPAddressList = [
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mock.sentinel.FAKE_REMOTE_IP_ADDR]
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# patches, call and assertions.
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with mock.patch.multiple(
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self.liveutils,
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_destroy_planned_vm=mock.DEFAULT,
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_get_physical_disk_paths=mock.DEFAULT,
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_get_remote_disk_data=mock.DEFAULT,
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_create_remote_planned_vm=mock.DEFAULT,
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_update_planned_vm_disk_resources=mock.DEFAULT,
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_get_vhd_setting_data=mock.DEFAULT,
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_live_migrate_vm=mock.DEFAULT):
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disk_paths = {
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mock.sentinel.FAKE_IDE_PATH: mock.sentinel.FAKE_SASD_RESOURCE}
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self.liveutils._get_physical_disk_paths.return_value = disk_paths
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mock_disk_paths = [mock.sentinel.FAKE_DISK_PATH]
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self.liveutils._get_remote_disk_data.return_value = (
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mock_disk_paths)
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self.liveutils._create_remote_planned_vm.return_value = mock_vm
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self.liveutils.live_migrate_vm(mock.sentinel.FAKE_VM_NAME,
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mock.sentinel.FAKE_HOST)
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self.liveutils._get_remote_disk_data.assert_called_once_with(
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mock_vm_utils_remote, disk_paths, mock.sentinel.FAKE_HOST)
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self.liveutils._create_remote_planned_vm.assert_called_once_with(
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self._conn, self._conn, mock_vm,
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[mock.sentinel.FAKE_REMOTE_IP_ADDR], mock.sentinel.FAKE_HOST)
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mocked_method = self.liveutils._update_planned_vm_disk_resources
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mocked_method.assert_called_once_with(
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mock_vm_utils_remote, self._conn, mock_vm,
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mock.sentinel.FAKE_VM_NAME, mock_disk_paths)
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self.liveutils._live_migrate_vm.assert_called_once_with(
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self._conn, mock_vm, mock_vm,
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[mock.sentinel.FAKE_REMOTE_IP_ADDR],
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self.liveutils._get_vhd_setting_data.return_value,
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mock.sentinel.FAKE_HOST)
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def _prepare_vm_mocks(self, resource_type, resource_sub_type):
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mock_vm_svc = self._conn.Msvm_VirtualSystemManagementService()[0]
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vm = self._get_vm()
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self._conn.Msvm_PlannedComputerSystem.return_value = [vm]
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mock_vm_svc.DestroySystem.return_value = (mock.sentinel.FAKE_JOB_PATH,
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self._FAKE_RET_VAL)
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mock_vm_svc.ModifyResourceSettings.return_value = (
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None, mock.sentinel.FAKE_JOB_PATH, self._FAKE_RET_VAL)
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sasd = mock.MagicMock()
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other_sasd = mock.MagicMock()
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sasd.ResourceType = resource_type
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sasd.ResourceSubType = resource_sub_type
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sasd.HostResource = [mock.sentinel.FAKE_SASD_RESOURCE]
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sasd.path.return_value.RelPath = mock.sentinel.FAKE_DISK_PATH
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vm_settings = mock.MagicMock()
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vm.associators.return_value = [vm_settings]
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vm_settings.associators.return_value = [sasd, other_sasd]
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def _get_vm(self):
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mock_vm = mock.MagicMock()
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self._conn.Msvm_ComputerSystem.return_value = [mock_vm]
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mock_vm.path_.return_value = mock.sentinel.FAKE_VM_PATH
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return mock_vm
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