compute-hyperv/compute_hyperv/tests/unit/test_driver.py

629 lines
27 KiB
Python

# Copyright 2015 Cloudbase Solutions SRL
# 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.
"""
Unit tests for the Hyper-V Driver.
"""
import platform
import sys
import mock
from nova import exception
from nova import safe_utils
from nova.tests.unit import fake_instance
from nova.virt import driver as base_driver
from os_win import exceptions as os_win_exc
from compute_hyperv.nova import driver
from compute_hyperv.tests.unit import test_base
class HyperVDriverTestCase(test_base.HyperVBaseTestCase):
FAKE_WIN_2008R2_VERSION = '6.0.0'
@mock.patch.object(driver.hostops, 'api', mock.MagicMock())
@mock.patch.object(driver.HyperVDriver, '_check_minimum_windows_version')
def setUp(self, mock_check_minimum_windows_version):
super(HyperVDriverTestCase, self).setUp()
self.context = 'context'
self.driver = driver.HyperVDriver(mock.sentinel.virtapi)
self.driver._hostops = mock.MagicMock()
self.driver._volumeops = mock.MagicMock()
self.driver._vmops = mock.MagicMock()
self.driver._snapshotops = mock.MagicMock()
self.driver._livemigrationops = mock.MagicMock()
self.driver._migrationops = mock.MagicMock()
self.driver._rdpconsoleops = mock.MagicMock()
self.driver._serialconsoleops = mock.MagicMock()
self.driver._imagecache = mock.MagicMock()
self.driver._image_api = mock.MagicMock()
self.driver._pathutils = mock.MagicMock()
@mock.patch.object(driver.LOG, 'warning')
@mock.patch.object(driver.utilsfactory, 'get_hostutils')
def test_check_minimum_windows_version(self, mock_get_hostutils,
mock_warning):
mock_hostutils = mock_get_hostutils.return_value
mock_hostutils.check_min_windows_version.return_value = False
self.assertRaises(exception.HypervisorTooOld,
self.driver._check_minimum_windows_version)
mock_hostutils.check_min_windows_version.side_effect = [True, False]
self.driver._check_minimum_windows_version()
self.assertTrue(mock_warning.called)
def test_public_api_signatures(self):
# NOTE(claudiub): wrapped functions do not keep the same signature in
# Python 2.7, which causes this test to fail. Instead, we should
# compare the public API signatures of the unwrapped methods.
for attr in driver.HyperVDriver.__dict__:
class_member = getattr(driver.HyperVDriver, attr)
if callable(class_member):
mocked_method = mock.patch.object(
driver.HyperVDriver, attr,
safe_utils.get_wrapped_function(class_member))
mocked_method.start()
self.addCleanup(mocked_method.stop)
self.assertPublicAPISignatures(base_driver.ComputeDriver,
driver.HyperVDriver)
def test_converted_exception(self):
self.driver._vmops.get_info.side_effect = (
os_win_exc.OSWinException)
self.assertRaises(exception.NovaException,
self.driver.get_info, mock.sentinel.instance)
self.driver._vmops.get_info.side_effect = os_win_exc.HyperVException
self.assertRaises(exception.NovaException,
self.driver.get_info, mock.sentinel.instance)
self.driver._vmops.get_info.side_effect = (
os_win_exc.HyperVVMNotFoundException(vm_name='foofoo'))
self.assertRaises(exception.InstanceNotFound,
self.driver.get_info, mock.sentinel.instance)
def test_assert_original_traceback_maintained(self):
def bar(self):
foo = "foofoo"
raise os_win_exc.HyperVVMNotFoundException(vm_name=foo)
self.driver._vmops.get_info.side_effect = bar
try:
self.driver.get_info(mock.sentinel.instance)
self.fail("Test expected exception, but it was not raised.")
except exception.InstanceNotFound:
# exception has been raised as expected.
_, _, trace = sys.exc_info()
while trace.tb_next:
# iterate until the original exception source, bar.
trace = trace.tb_next
# original frame will contain the 'foo' variable.
self.assertEqual('foofoo', trace.tb_frame.f_locals['foo'])
@mock.patch.object(driver.eventhandler, 'InstanceEventHandler')
def test_init_host(self, mock_InstanceEventHandler):
mock_get_inst_dir = self.driver._pathutils.get_instances_dir
mock_get_inst_dir.return_value = mock.sentinel.FAKE_DIR
self.driver.init_host(mock.sentinel.host)
mock_start_console_handlers = (
self.driver._serialconsoleops.start_console_handlers)
mock_start_console_handlers.assert_called_once_with()
mock_InstanceEventHandler.assert_called_once_with(
state_change_callback=self.driver.emit_event)
fake_event_handler = mock_InstanceEventHandler.return_value
fake_event_handler.start_listener.assert_called_once_with()
mock_get_inst_dir.assert_called_once_with()
self.driver._pathutils.check_create_dir.assert_called_once_with(
mock.sentinel.FAKE_DIR)
def test_list_instance_uuids(self):
self.driver.list_instance_uuids()
self.driver._vmops.list_instance_uuids.assert_called_once_with()
def test_list_instances(self):
self.driver.list_instances()
self.driver._vmops.list_instances.assert_called_once_with()
def test_estimate_instance_overhead(self):
self.driver.estimate_instance_overhead(mock.sentinel.instance)
self.driver._vmops.estimate_instance_overhead.assert_called_once_with(
mock.sentinel.instance)
@mock.patch.object(driver.HyperVDriver, '_recreate_image_meta')
def test_spawn(self, mock_recreate_img_meta):
self.driver.spawn(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.image_meta, mock.sentinel.injected_files,
mock.sentinel.admin_password, mock.sentinel.allocations,
mock.sentinel.network_info,
mock.sentinel.block_device_info)
mock_recreate_img_meta.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.image_meta)
self.driver._vmops.spawn.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock_recreate_img_meta.return_value, mock.sentinel.injected_files,
mock.sentinel.admin_password, mock.sentinel.network_info,
mock.sentinel.block_device_info)
def test_reboot(self):
self.driver.reboot(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.reboot_type,
mock.sentinel.block_device_info, mock.sentinel.bad_vol_callback)
self.driver._vmops.reboot.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.network_info,
mock.sentinel.reboot_type)
def test_destroy(self):
self.driver.destroy(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info,
mock.sentinel.destroy_disks)
self.driver._vmops.destroy.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.network_info,
mock.sentinel.block_device_info, mock.sentinel.destroy_disks)
def test_cleanup(self):
self.driver.cleanup(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info,
mock.sentinel.destroy_disks, mock.sentinel.migrate_data,
mock.sentinel.destroy_vifs)
self.driver._vmops.unplug_vifs.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.network_info)
def test_get_info(self):
self.driver.get_info(mock.sentinel.instance)
self.driver._vmops.get_info.assert_called_once_with(
mock.sentinel.instance)
def test_attach_volume(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.attach_volume(
mock.sentinel.context, mock.sentinel.connection_info,
mock_instance, mock.sentinel.mountpoint, mock.sentinel.disk_bus,
mock.sentinel.device_type, mock.sentinel.encryption)
self.driver._volumeops.attach_volume.assert_called_once_with(
mock.sentinel.context,
mock.sentinel.connection_info,
mock_instance,
update_device_metadata=True)
@mock.patch('nova.context.get_admin_context',
lambda: mock.sentinel.admin_context)
def test_detach_volume(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.detach_volume(
mock.sentinel.connection_info, mock_instance,
mock.sentinel.mountpoint, mock.sentinel.encryption)
self.driver._volumeops.detach_volume.assert_called_once_with(
mock.sentinel.admin_context,
mock.sentinel.connection_info,
mock_instance,
update_device_metadata=True)
def test_extend_volume(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.extend_volume(
mock.sentinel.connection_info, mock_instance)
self.driver._volumeops.extend_volume.assert_called_once_with(
mock.sentinel.connection_info)
def test_get_volume_connector(self):
self.driver.get_volume_connector(mock.sentinel.instance)
self.driver._volumeops.get_volume_connector.assert_called_once_with()
def test_get_available_resource(self):
self.driver.get_available_resource(mock.sentinel.nodename)
self.driver._hostops.get_available_resource.assert_called_once_with()
def test_get_available_nodes(self):
response = self.driver.get_available_nodes(mock.sentinel.refresh)
self.assertEqual([platform.node()], response)
def test_host_power_action(self):
self.driver.host_power_action(mock.sentinel.action)
self.driver._hostops.host_power_action.assert_called_once_with(
mock.sentinel.action)
def test_snapshot(self):
self.driver.snapshot(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.image_id, mock.sentinel.update_task_state)
self.driver._snapshotops.snapshot.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.image_id, mock.sentinel.update_task_state)
def test_volume_snapshot_create(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.volume_snapshot_create(
self.context, mock_instance, mock.sentinel.volume_id,
mock.sentinel.create_info)
self.driver._volumeops.volume_snapshot_create.assert_called_once_with(
self.context, mock_instance, mock.sentinel.volume_id,
mock.sentinel.create_info)
def test_volume_snapshot_delete(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.volume_snapshot_delete(
self.context, mock_instance, mock.sentinel.volume_id,
mock.sentinel.snapshot_id, mock.sentinel.delete_info)
self.driver._volumeops.volume_snapshot_delete.assert_called_once_with(
self.context, mock_instance, mock.sentinel.volume_id,
mock.sentinel.snapshot_id, mock.sentinel.delete_info)
def test_pause(self):
self.driver.pause(mock.sentinel.instance)
self.driver._vmops.pause.assert_called_once_with(
mock.sentinel.instance)
def test_unpause(self):
self.driver.unpause(mock.sentinel.instance)
self.driver._vmops.unpause.assert_called_once_with(
mock.sentinel.instance)
def test_suspend(self):
self.driver.suspend(mock.sentinel.context, mock.sentinel.instance)
self.driver._vmops.suspend.assert_called_once_with(
mock.sentinel.instance)
def test_resume(self):
self.driver.resume(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info)
self.driver._vmops.resume.assert_called_once_with(
mock.sentinel.instance)
def test_power_off(self):
self.driver.power_off(
mock.sentinel.instance, mock.sentinel.timeout,
mock.sentinel.retry_interval)
self.driver._vmops.power_off.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.timeout,
mock.sentinel.retry_interval)
def test_power_on(self):
self.driver.power_on(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info)
self.driver._vmops.power_on.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.block_device_info,
mock.sentinel.network_info)
def test_resume_state_on_host_boot(self):
self.driver.resume_state_on_host_boot(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info)
self.driver._vmops.resume_state_on_host_boot.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info)
def test_live_migration(self):
self.driver.live_migration(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.dest, mock.sentinel.post_method,
mock.sentinel.recover_method, mock.sentinel.block_migration,
mock.sentinel.migrate_data)
self.driver._livemigrationops.live_migration.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.dest, mock.sentinel.post_method,
mock.sentinel.recover_method, mock.sentinel.block_migration,
mock.sentinel.migrate_data)
@mock.patch.object(driver.HyperVDriver, 'destroy')
def test_rollback_live_migration_at_destination(self, mock_destroy):
self.driver.rollback_live_migration_at_destination(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info,
mock.sentinel.destroy_disks, mock.sentinel.migrate_data)
mock_destroy.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info,
destroy_disks=mock.sentinel.destroy_disks)
def test_pre_live_migration(self):
migrate_data = self.driver.pre_live_migration(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.block_device_info, mock.sentinel.network_info,
mock.sentinel.disk_info, mock.sentinel.migrate_data)
self.assertEqual(mock.sentinel.migrate_data, migrate_data)
pre_live_migration = self.driver._livemigrationops.pre_live_migration
pre_live_migration.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.block_device_info, mock.sentinel.network_info)
def test_post_live_migration(self):
self.driver.post_live_migration(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.block_device_info, mock.sentinel.migrate_data)
post_live_migration = self.driver._livemigrationops.post_live_migration
post_live_migration.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.block_device_info,
mock.sentinel.migrate_data)
def test_post_live_migration_at_source(self):
self.driver.post_live_migration_at_source(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info)
self.driver._vmops.unplug_vifs.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.network_info)
def test_post_live_migration_at_destination(self):
self.driver.post_live_migration_at_destination(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_migration,
mock.sentinel.block_device_info)
mtd = self.driver._livemigrationops.post_live_migration_at_destination
mtd.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_migration)
def test_check_can_live_migrate_destination(self):
self.driver.check_can_live_migrate_destination(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.src_compute_info, mock.sentinel.dst_compute_info,
mock.sentinel.block_migration, mock.sentinel.disk_over_commit)
mtd = self.driver._livemigrationops.check_can_live_migrate_destination
mtd.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.src_compute_info, mock.sentinel.dst_compute_info,
mock.sentinel.block_migration, mock.sentinel.disk_over_commit)
def test_cleanup_live_migration_destination_check(self):
self.driver.cleanup_live_migration_destination_check(
mock.sentinel.context, mock.sentinel.dest_check_data)
_livemigrops = self.driver._livemigrationops
method = _livemigrops.cleanup_live_migration_destination_check
method.assert_called_once_with(
mock.sentinel.context, mock.sentinel.dest_check_data)
def test_check_can_live_migrate_source(self):
self.driver.check_can_live_migrate_source(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.dest_check_data, mock.sentinel.block_device_info)
method = self.driver._livemigrationops.check_can_live_migrate_source
method.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.dest_check_data)
def test_plug_vifs(self):
self.driver.plug_vifs(
mock.sentinel.instance, mock.sentinel.network_info)
self.driver._vmops.plug_vifs.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.network_info)
def test_unplug_vifs(self):
self.driver.unplug_vifs(
mock.sentinel.instance, mock.sentinel.network_info)
self.driver._vmops.unplug_vifs.assert_called_once_with(
mock.sentinel.instance, mock.sentinel.network_info)
def test_refresh_instance_security_rules(self):
self.assertRaises(NotImplementedError,
self.driver.refresh_instance_security_rules,
instance=mock.sentinel.instance)
def test_migrate_disk_and_power_off(self):
self.driver.migrate_disk_and_power_off(
mock.sentinel.context, mock.sentinel.instance, mock.sentinel.dest,
mock.sentinel.flavor, mock.sentinel.network_info,
mock.sentinel.block_device_info, mock.sentinel.timeout,
mock.sentinel.retry_interval)
migr_power_off = self.driver._migrationops.migrate_disk_and_power_off
migr_power_off.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance, mock.sentinel.dest,
mock.sentinel.flavor, mock.sentinel.network_info,
mock.sentinel.block_device_info, mock.sentinel.timeout,
mock.sentinel.retry_interval)
def test_confirm_migration(self):
self.driver.confirm_migration(
mock.sentinel.context,
mock.sentinel.migration, mock.sentinel.instance,
mock.sentinel.network_info)
self.driver._migrationops.confirm_migration.assert_called_once_with(
mock.sentinel.context,
mock.sentinel.migration, mock.sentinel.instance,
mock.sentinel.network_info)
def test_finish_revert_migration(self):
self.driver.finish_revert_migration(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info,
mock.sentinel.power_on)
finish_revert_migr = self.driver._migrationops.finish_revert_migration
finish_revert_migr.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.network_info, mock.sentinel.block_device_info,
mock.sentinel.power_on)
@mock.patch.object(driver.HyperVDriver, '_recreate_image_meta')
def test_finish_migration(self, mock_recreate_img_meta):
self.driver.finish_migration(
mock.sentinel.context, mock.sentinel.migration,
mock.sentinel.instance, mock.sentinel.disk_info,
mock.sentinel.network_info, mock.sentinel.image_meta,
mock.sentinel.resize_instance, mock.sentinel.block_device_info,
mock.sentinel.power_on)
mock_recreate_img_meta.assert_called_once_with(
mock.sentinel.context, mock.sentinel.instance,
mock.sentinel.image_meta)
self.driver._migrationops.finish_migration.assert_called_once_with(
mock.sentinel.context, mock.sentinel.migration,
mock.sentinel.instance, mock.sentinel.disk_info,
mock.sentinel.network_info, mock_recreate_img_meta.return_value,
mock.sentinel.resize_instance, mock.sentinel.block_device_info,
mock.sentinel.power_on)
def test_get_host_ip_addr(self):
self.driver.get_host_ip_addr()
self.driver._hostops.get_host_ip_addr.assert_called_once_with()
def test_get_host_uptime(self):
self.driver.get_host_uptime()
self.driver._hostops.get_host_uptime.assert_called_once_with()
def test_get_rdp_console(self):
self.driver.get_rdp_console(
mock.sentinel.context, mock.sentinel.instance)
self.driver._rdpconsoleops.get_rdp_console.assert_called_once_with(
mock.sentinel.instance)
def test_get_console_output(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.get_console_output(self.context, mock_instance)
mock_get_console_output = (
self.driver._serialconsoleops.get_console_output)
mock_get_console_output.assert_called_once_with(
mock_instance.name)
def test_get_serial_console(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.get_console_output(self.context, mock_instance)
mock_get_serial_console = (
self.driver._serialconsoleops.get_console_output)
mock_get_serial_console.assert_called_once_with(
mock_instance.name)
def test_manage_image_cache(self):
self.driver.manage_image_cache(mock.sentinel.context,
mock.sentinel.all_instances)
self.driver._imagecache.update.assert_called_once_with(
mock.sentinel.context, mock.sentinel.all_instances)
def test_attach_interface(self):
mock_instance = fake_instance.fake_instance_obj(self.context)
self.driver.attach_interface(
self.context, mock_instance, mock.sentinel.image_meta,
mock.sentinel.vif)
self.driver._vmops.attach_interface.assert_called_once_with(
self.context, mock_instance, mock.sentinel.vif)
def _check_recreate_image_meta(self, mock_image_meta, image_ref='',
instance_img_ref=''):
system_meta = {'image_base_image_ref': instance_img_ref}
mock_instance = mock.MagicMock(system_metadata=system_meta)
self.driver._image_api.get.return_value = {}
image_meta = self.driver._recreate_image_meta(
mock.sentinel.context, mock_instance, mock_image_meta)
if image_ref:
self.driver._image_api.get.assert_called_once_with(
mock.sentinel.context, image_ref)
else:
mock_image_meta.obj_to_primitive.assert_called_once_with()
self.assertEqual({'base_image_ref': image_ref},
image_meta['properties'])
self.assertEqual(image_ref, image_meta['id'])
def test_recreate_image_meta_has_id(self):
mock_image_meta = mock.MagicMock(id=mock.sentinel.image_meta_id)
self._check_recreate_image_meta(
mock_image_meta, mock.sentinel.image_meta_id)
def test_recreate_image_meta_instance(self):
mock_image_meta = mock.MagicMock()
mock_image_meta.obj_attr_is_set.return_value = False
self._check_recreate_image_meta(
mock_image_meta, mock.sentinel.instance_img_ref,
mock.sentinel.instance_img_ref)
def test_recreate_image_meta_boot_from_volume(self):
mock_image_meta = mock.MagicMock()
mock_image_meta.obj_attr_is_set.return_value = False
mock_image_meta.obj_to_primitive.return_value = {
'nova_object.data': {}}
self._check_recreate_image_meta(mock_image_meta)
def test_check_instance_shared_storage_local(self):
check_local = (
self.driver._pathutils.check_instance_shared_storage_local)
ret_val = self.driver.check_instance_shared_storage_local(
mock.sentinel.context, mock.sentinel.instance)
self.assertEqual(check_local.return_value, ret_val)
check_local.assert_called_once_with(mock.sentinel.instance)
def test_check_instance_shared_storage_remote(self):
check_remote = (
self.driver._pathutils.check_instance_shared_storage_remote)
ret_val = self.driver.check_instance_shared_storage_remote(
mock.sentinel.context, mock.sentinel.data)
self.assertEqual(check_remote.return_value, ret_val)
check_remote.assert_called_once_with(mock.sentinel.data)
def test_check_instance_shared_storage_cleanup(self):
check_cleanup = (
self.driver._pathutils.check_instance_shared_storage_cleanup)
ret_val = self.driver.check_instance_shared_storage_cleanup(
mock.sentinel.context, mock.sentinel.data)
self.assertEqual(check_cleanup.return_value, ret_val)
check_cleanup.assert_called_once_with(mock.sentinel.data)