/usr/lib/python3/dist-packages/os_win/tests/utils/compute/test_livemigrationutils.py is in python3-os-win 1.2.0-2.
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# 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.
import mock
import platform
from os_win import exceptions
from os_win.tests import test_base
from os_win.utils import _wqlutils
from os_win.utils.compute import livemigrationutils
from os_win.utils.compute import vmutils
class LiveMigrationUtilsTestCase(test_base.OsWinBaseTestCase):
"""Unit tests for the Hyper-V LiveMigrationUtils class."""
_FAKE_VM_NAME = 'fake_vm_name'
_FAKE_RET_VAL = 0
_RESOURCE_TYPE_VHD = 31
_RESOURCE_TYPE_DISK = 17
_RESOURCE_SUB_TYPE_VHD = 'Microsoft:Hyper-V:Virtual Hard Disk'
_RESOURCE_SUB_TYPE_DISK = 'Microsoft:Hyper-V:Physical Disk Drive'
def setUp(self):
super(LiveMigrationUtilsTestCase, self).setUp()
self.liveutils = livemigrationutils.LiveMigrationUtils()
self._conn = mock.MagicMock()
self.liveutils._conn_attr = self._conn
self.liveutils._vmutils = mock.MagicMock()
self.liveutils._iscsi_initiator = mock.MagicMock()
self.liveutils._jobutils = mock.Mock()
self.liveutils._get_conn_v2 = mock.MagicMock(return_value=self._conn)
self.liveutils._conn_v2 = self._conn
def test_check_live_migration_config(self):
mock_migr_svc = (
self._conn.Msvm_VirtualSystemMigrationService.return_value[0])
conn_vsmssd = self._conn.Msvm_VirtualSystemMigrationServiceSettingData
vsmssd = mock.MagicMock()
vsmssd.EnableVirtualSystemMigration = True
conn_vsmssd.return_value = [vsmssd]
mock_migr_svc.MigrationServiceListenerIPAdressList.return_value = [
mock.sentinel.FAKE_HOST]
self.liveutils.check_live_migration_config()
conn_vsmssd.assert_called_once_with()
self._conn.Msvm_VirtualSystemMigrationService.assert_called_once_with()
def test_get_vm(self):
expected_vm = mock.MagicMock()
mock_conn_v2 = mock.MagicMock()
mock_conn_v2.Msvm_ComputerSystem.return_value = [expected_vm]
found_vm = self.liveutils._get_vm(mock_conn_v2, self._FAKE_VM_NAME)
self.assertEqual(expected_vm, found_vm)
def test_get_vm_duplicate(self):
mock_vm = mock.MagicMock()
mock_conn_v2 = mock.MagicMock()
mock_conn_v2.Msvm_ComputerSystem.return_value = [mock_vm, mock_vm]
self.assertRaises(exceptions.HyperVException, self.liveutils._get_vm,
mock_conn_v2, self._FAKE_VM_NAME)
def test_get_vm_not_found(self):
mock_conn_v2 = mock.MagicMock()
mock_conn_v2.Msvm_ComputerSystem.return_value = []
self.assertRaises(exceptions.HyperVVMNotFoundException,
self.liveutils._get_vm,
mock_conn_v2, self._FAKE_VM_NAME)
def test_destroy_planned_vm(self):
mock_planned_vm = mock.MagicMock()
mock_planned_vm.path_.return_value = mock.sentinel.planned_vm_path
mock_vs_man_svc = self.liveutils._vs_man_svc
mock_vs_man_svc.DestroySystem.return_value = (
mock.sentinel.job_path, mock.sentinel.ret_val)
self.liveutils._destroy_planned_vm(mock_planned_vm)
mock_vs_man_svc.DestroySystem.assert_called_once_with(
mock.sentinel.planned_vm_path)
self.liveutils._jobutils.check_ret_val.assert_called_once_with(
mock.sentinel.ret_val,
mock.sentinel.job_path)
def test_get_planned_vms(self):
mock_conn_v2 = mock.MagicMock()
mock_conn_v2.Msvm_PlannedComputerSystem.return_value = (
mock.sentinel.planned_vms)
planned_vms = self.liveutils._get_planned_vms(mock_conn_v2,
mock.sentinel.vm_name)
mock_conn_v2.Msvm_PlannedComputerSystem.assert_called_once_with(
ElementName=mock.sentinel.vm_name)
self.assertEqual(mock.sentinel.planned_vms, planned_vms)
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'_destroy_planned_vm')
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'_get_planned_vms')
def test_destroy_existing_planned_vms(self, mock_get_planned_vms,
mock_destroy_planned_vm):
mock_planned_vms = [mock.sentinel.planned_vm,
mock.sentinel.another_planned_vm]
mock_get_planned_vms.return_value = mock_planned_vms
self.liveutils.destroy_existing_planned_vms(mock.sentinel.vm_name)
mock_get_planned_vms.assert_called_once_with(self._conn,
mock.sentinel.vm_name)
mock_destroy_planned_vm.assert_has_calls(
[mock.call(mock.sentinel.planned_vm),
mock.call(mock.sentinel.another_planned_vm)])
def test_create_planned_vm_helper(self):
mock_vm = mock.MagicMock()
mock_v2 = mock.MagicMock()
mock_vsmsd = mock_v2.query()[0]
self._conn.Msvm_PlannedComputerSystem.return_value = [mock_vm]
migr_svc = mock_v2.Msvm_VirtualSystemMigrationService()[0]
migr_svc.MigrateVirtualSystemToHost.return_value = (
self._FAKE_RET_VAL, mock.sentinel.FAKE_JOB_PATH)
resulted_vm = self.liveutils._create_planned_vm(
self._conn, mock_v2, mock_vm, [mock.sentinel.FAKE_REMOTE_IP_ADDR],
mock.sentinel.FAKE_HOST)
self.assertEqual(mock_vm, resulted_vm)
migr_svc.MigrateVirtualSystemToHost.assert_called_once_with(
ComputerSystem=mock_vm.path_.return_value,
DestinationHost=mock.sentinel.FAKE_HOST,
MigrationSettingData=mock_vsmsd.GetText_.return_value)
self.liveutils._jobutils.check_ret_val.assert_called_once_with(
mock.sentinel.FAKE_JOB_PATH,
self._FAKE_RET_VAL)
def test_get_physical_disk_paths(self):
ide_path = {mock.sentinel.IDE_PATH: mock.sentinel.IDE_HOST_RESOURCE}
scsi_path = {mock.sentinel.SCSI_PATH: mock.sentinel.SCSI_HOST_RESOURCE}
ide_ctrl = self.liveutils._vmutils.get_vm_ide_controller.return_value
scsi_ctrl = self.liveutils._vmutils.get_vm_scsi_controller.return_value
mock_get_controller_paths = (
self.liveutils._vmutils.get_controller_volume_paths)
mock_get_controller_paths.side_effect = [ide_path, scsi_path]
result = self.liveutils._get_physical_disk_paths(mock.sentinel.VM_NAME)
expected = dict(ide_path)
expected.update(scsi_path)
self.assertDictContainsSubset(expected, result)
calls = [mock.call(ide_ctrl), mock.call(scsi_ctrl)]
mock_get_controller_paths.assert_has_calls(calls)
def test_get_physical_disk_paths_no_ide(self):
scsi_path = {mock.sentinel.SCSI_PATH: mock.sentinel.SCSI_HOST_RESOURCE}
scsi_ctrl = self.liveutils._vmutils.get_vm_scsi_controller.return_value
mock_get_controller_paths = (
self.liveutils._vmutils.get_controller_volume_paths)
self.liveutils._vmutils.get_vm_ide_controller.return_value = None
mock_get_controller_paths.return_value = scsi_path
result = self.liveutils._get_physical_disk_paths(mock.sentinel.VM_NAME)
self.assertEqual(scsi_path, result)
mock_get_controller_paths.assert_called_once_with(scsi_ctrl)
@mock.patch.object(livemigrationutils.iscsi_wmi_utils,
'ISCSIInitiatorWMIUtils')
def test_get_remote_disk_data(self, mock_iscsi_initiator_class):
m_remote_iscsi_init = mock_iscsi_initiator_class.return_value
m_local_iscsi_init = self.liveutils._iscsi_initiator
mock_vm_utils = mock.MagicMock()
disk_paths = {
mock.sentinel.FAKE_RASD_PATH: mock.sentinel.FAKE_DISK_PATH}
m_local_iscsi_init.get_target_from_disk_path.return_value = (
mock.sentinel.FAKE_IQN, mock.sentinel.FAKE_LUN)
m_remote_iscsi_init.get_device_number_for_target.return_value = (
mock.sentinel.FAKE_DEV_NUM)
mock_vm_utils.get_mounted_disk_by_drive_number.return_value = (
mock.sentinel.FAKE_DISK_PATH)
disk_paths = self.liveutils._get_remote_disk_data(
mock_vm_utils, disk_paths, mock.sentinel.FAKE_HOST)
m_local_iscsi_init.get_target_from_disk_path.assert_called_with(
mock.sentinel.FAKE_DISK_PATH)
m_remote_iscsi_init.get_device_number_for_target.assert_called_with(
mock.sentinel.FAKE_IQN, mock.sentinel.FAKE_LUN)
mock_vm_utils.get_mounted_disk_by_drive_number.assert_called_once_with(
mock.sentinel.FAKE_DEV_NUM)
self.assertEqual(
{mock.sentinel.FAKE_RASD_PATH: mock.sentinel.FAKE_DISK_PATH},
disk_paths)
def test_get_disk_data(self):
mock_vmutils_remote = mock.MagicMock()
mock_disk = mock.MagicMock()
mock_disk_path_mapping = {
mock.sentinel.serial: mock.sentinel.disk_path}
mock_disk.path.return_value.RelPath = mock.sentinel.rel_path
mock_vmutils_remote.get_vm_disks.return_value = [
None, [mock_disk]]
mock_disk.ElementName = mock.sentinel.serial
resulted_disk_paths = self.liveutils._get_disk_data(
self._FAKE_VM_NAME, mock_vmutils_remote, mock_disk_path_mapping)
mock_vmutils_remote.get_vm_disks.assert_called_once_with(
self._FAKE_VM_NAME)
mock_disk.path.assert_called_once_with()
expected_disk_paths = {mock.sentinel.rel_path: mock.sentinel.disk_path}
self.assertEqual(expected_disk_paths, resulted_disk_paths)
@mock.patch.object(_wqlutils, 'get_element_associated_class')
def test_update_planned_vm_disk_resources(self,
mock_get_elem_associated_class):
self._prepare_vm_mocks(self._RESOURCE_TYPE_DISK,
self._RESOURCE_SUB_TYPE_DISK,
mock_get_elem_associated_class)
mock_vm = mock.Mock(Name='fake_name')
sasd = mock_get_elem_associated_class.return_value[0]
mock_vsmsvc = self._conn.Msvm_VirtualSystemManagementService()[0]
self.liveutils._update_planned_vm_disk_resources(
self._conn, mock_vm, mock.sentinel.FAKE_VM_NAME,
{sasd.path.return_value.RelPath: mock.sentinel.FAKE_RASD_PATH})
mock_vsmsvc.ModifyResourceSettings.assert_called_once_with(
ResourceSettings=[sasd.GetText_.return_value])
mock_get_elem_associated_class.assert_called_once_with(
self._conn, self.liveutils._CIM_RES_ALLOC_SETTING_DATA_CLASS,
element_uuid=mock_vm.Name)
@mock.patch.object(_wqlutils, 'get_element_associated_class')
def test_get_vhd_setting_data(self, mock_get_elem_associated_class):
self._prepare_vm_mocks(self._RESOURCE_TYPE_VHD,
self._RESOURCE_SUB_TYPE_VHD,
mock_get_elem_associated_class)
mock_vm = mock.Mock(Name='fake_vm_name')
mock_sasd = mock_get_elem_associated_class.return_value[0]
vhd_sds = self.liveutils._get_vhd_setting_data(mock_vm)
self.assertEqual([mock_sasd.GetText_.return_value], vhd_sds)
mock_get_elem_associated_class.assert_called_once_with(
self._conn, self.liveutils._STORAGE_ALLOC_SETTING_DATA_CLASS,
element_uuid=mock_vm.Name)
def test_live_migrate_vm_helper(self):
mock_conn_local = mock.MagicMock()
mock_vm = mock.MagicMock()
mock_vsmsd = mock_conn_local.query()[0]
mock_vsmsvc = mock_conn_local.Msvm_VirtualSystemMigrationService()[0]
mock_vsmsvc.MigrateVirtualSystemToHost.return_value = (
self._FAKE_RET_VAL, mock.sentinel.FAKE_JOB_PATH)
self.liveutils._live_migrate_vm(
mock_conn_local, mock_vm, None,
[mock.sentinel.FAKE_REMOTE_IP_ADDR],
mock.sentinel.FAKE_RASD_PATH, mock.sentinel.FAKE_HOST)
mock_vsmsvc.MigrateVirtualSystemToHost.assert_called_once_with(
ComputerSystem=mock_vm.path_.return_value,
DestinationHost=mock.sentinel.FAKE_HOST,
MigrationSettingData=mock_vsmsd.GetText_.return_value,
NewResourceSettingData=mock.sentinel.FAKE_RASD_PATH)
def test_live_migrate_multiple_planned_vms(self):
mock_vm = self._get_vm()
self._conn.Msvm_PlannedComputerSystem.return_value = [
mock_vm, mock_vm]
self.assertRaises(exceptions.OSWinException,
self.liveutils.live_migrate_vm,
mock.sentinel.vm_name,
mock.sentinel.host)
@mock.patch.object(livemigrationutils, 'vmutils')
def test_live_migrate_no_planned_vm(self, mock_vm_utils):
mock_vm_utils_remote = mock_vm_utils.VMUtils.return_value
mock_vm = self._get_vm()
mock_migr_svc = self._conn.Msvm_VirtualSystemMigrationService()[0]
mock_migr_svc.MigrationServiceListenerIPAddressList = [
mock.sentinel.FAKE_REMOTE_IP_ADDR]
# patches, call and assertions.
with mock.patch.multiple(
self.liveutils,
_get_physical_disk_paths=mock.DEFAULT,
_get_remote_disk_data=mock.DEFAULT,
_create_planned_vm=mock.DEFAULT,
_update_planned_vm_disk_resources=mock.DEFAULT,
_get_vhd_setting_data=mock.DEFAULT,
_live_migrate_vm=mock.DEFAULT):
self._conn.Msvm_PlannedComputerSystem.return_value = []
disk_paths = {
mock.sentinel.FAKE_IDE_PATH: mock.sentinel.FAKE_SASD_RESOURCE}
self.liveutils._get_physical_disk_paths.return_value = disk_paths
mock_disk_paths = [mock.sentinel.FAKE_DISK_PATH]
self.liveutils._get_remote_disk_data.return_value = (
mock_disk_paths)
self.liveutils._create_planned_vm.return_value = mock_vm
self.liveutils.live_migrate_vm(mock.sentinel.vm_name,
mock.sentinel.FAKE_HOST)
self.liveutils._get_remote_disk_data.assert_called_once_with(
mock_vm_utils_remote, disk_paths, mock.sentinel.FAKE_HOST)
self.liveutils._create_planned_vm.assert_called_once_with(
self._conn, self._conn, mock_vm,
[mock.sentinel.FAKE_REMOTE_IP_ADDR], mock.sentinel.FAKE_HOST)
mocked_method = self.liveutils._update_planned_vm_disk_resources
mocked_method.assert_called_once_with(
self._conn, mock_vm, mock.sentinel.vm_name,
mock_disk_paths)
self.liveutils._live_migrate_vm.assert_called_once_with(
self._conn, mock_vm, mock_vm,
[mock.sentinel.FAKE_REMOTE_IP_ADDR],
self.liveutils._get_vhd_setting_data.return_value,
mock.sentinel.FAKE_HOST)
def test_live_migrate_single_planned_vm(self):
mock_vm = self._get_vm()
mock_migr_svc = self._conn.Msvm_VirtualSystemMigrationService()[0]
mock_migr_svc.MigrationServiceListenerIPAddressList = [
mock.sentinel.FAKE_REMOTE_IP_ADDR]
# patches, call and assertions.
with mock.patch.multiple(
self.liveutils,
_get_vhd_setting_data=mock.DEFAULT,
_live_migrate_vm=mock.DEFAULT):
self._conn.Msvm_PlannedComputerSystem.return_value = [mock_vm]
self.liveutils.live_migrate_vm(mock.sentinel.vm_name,
mock.sentinel.FAKE_HOST)
self.liveutils._live_migrate_vm.assert_called_once_with(
self._conn, mock_vm, mock_vm,
[mock.sentinel.FAKE_REMOTE_IP_ADDR],
self.liveutils._get_vhd_setting_data.return_value,
mock.sentinel.FAKE_HOST)
@mock.patch.object(vmutils, 'VMUtils')
@mock.patch.object(livemigrationutils.LiveMigrationUtils, '_get_vm')
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'_get_ip_address_list')
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'_update_planned_vm_disk_resources')
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'_create_planned_vm')
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'destroy_existing_planned_vms')
@mock.patch.object(livemigrationutils.LiveMigrationUtils,
'_get_disk_data')
def test_create_planned_vm(self, mock_get_disk_data,
mock_destroy_existing_planned_vm,
mock_create_planned_vm,
mock_update_planned_vm_disk_resources,
mock_get_ip_address_list, mock_get_vm,
mock_cls_vmutils):
dest_host = platform.node()
mock_vm = mock.MagicMock()
mock_get_vm.return_value = mock_vm
mock_conn_v2 = mock.MagicMock()
self.liveutils._get_conn_v2.return_value = mock_conn_v2
mock_get_disk_data.return_value = mock.sentinel.disk_data
mock_get_ip_address_list.return_value = mock.sentinel.ip_address_list
mock_vsmsvc = self._conn.Msvm_VirtualSystemManagementService()[0]
mock_vsmsvc.ModifyResourceSettings.return_value = (
mock.sentinel.res_setting,
mock.sentinel.job_path,
self._FAKE_RET_VAL)
self.liveutils.create_planned_vm(mock.sentinel.vm_name,
mock.sentinel.host,
mock.sentinel.disk_path_mapping)
mock_destroy_existing_planned_vm.assert_called_once_with(
mock.sentinel.vm_name)
mock_get_ip_address_list.assert_called_once_with(self._conn, dest_host)
mock_get_disk_data.assert_called_once_with(
mock.sentinel.vm_name,
mock_cls_vmutils.return_value,
mock.sentinel.disk_path_mapping)
mock_create_planned_vm.assert_called_once_with(
self._conn, mock_conn_v2, mock_vm,
mock.sentinel.ip_address_list, dest_host)
mock_update_planned_vm_disk_resources.assert_called_once_with(
self._conn, mock_create_planned_vm.return_value,
mock.sentinel.vm_name, mock.sentinel.disk_data)
def _prepare_vm_mocks(self, resource_type, resource_sub_type,
mock_get_elem_associated_class):
mock_vm_svc = self._conn.Msvm_VirtualSystemManagementService()[0]
vm = self._get_vm()
self._conn.Msvm_PlannedComputerSystem.return_value = [vm]
mock_vm_svc.DestroySystem.return_value = (mock.sentinel.FAKE_JOB_PATH,
self._FAKE_RET_VAL)
mock_vm_svc.ModifyResourceSettings.return_value = (
None, mock.sentinel.FAKE_JOB_PATH, self._FAKE_RET_VAL)
sasd = mock.MagicMock()
other_sasd = mock.MagicMock()
sasd.ResourceType = resource_type
sasd.ResourceSubType = resource_sub_type
sasd.HostResource = [mock.sentinel.FAKE_SASD_RESOURCE]
sasd.path.return_value.RelPath = mock.sentinel.FAKE_DISK_PATH
mock_get_elem_associated_class.return_value = [sasd, other_sasd]
def _get_vm(self):
mock_vm = mock.MagicMock()
self._conn.Msvm_ComputerSystem.return_value = [mock_vm]
mock_vm.path_.return_value = mock.sentinel.FAKE_VM_PATH
mock_vm.Name = self._FAKE_VM_NAME
return mock_vm
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