nova/nova/tests/unit/virt/xenapi/test_vmops.py

1953 lines
90 KiB
Python

# Copyright 2013 OpenStack Foundation
# 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 uuid
try:
import xmlrpclib
except ImportError:
import six.moves.xmlrpc_client as xmlrpclib
from eventlet import greenthread
import mock
from os_xenapi.client import session as xenapi_session
import six
from nova.compute import power_state
from nova.compute import task_states
from nova import context
from nova import exception
from nova import objects
from nova.objects import fields
from nova.pci import manager as pci_manager
from nova import test
from nova.tests.unit import fake_flavor
from nova.tests.unit import fake_instance
from nova.tests.unit.virt.xenapi import stubs
from nova.tests import uuidsentinel as uuids
from nova import utils
from nova.virt import fake
from nova.virt.xenapi import agent as xenapi_agent
from nova.virt.xenapi import fake as xenapi_fake
from nova.virt.xenapi import vm_utils
from nova.virt.xenapi import vmops
from nova.virt.xenapi import volume_utils
from nova.virt.xenapi import volumeops
class VMOpsTestBase(stubs.XenAPITestBaseNoDB):
def setUp(self):
super(VMOpsTestBase, self).setUp()
self._setup_mock_vmops()
self.vms = []
def _setup_mock_vmops(self, product_brand=None, product_version=None):
stubs.stubout_session(self.stubs, xenapi_fake.SessionBase)
self._session = xenapi_session.XenAPISession('test_url', 'root',
'test_pass')
self.vmops = vmops.VMOps(self._session, fake.FakeVirtAPI())
def create_vm(self, name, state="Running"):
vm_ref = xenapi_fake.create_vm(name, state)
self.vms.append(vm_ref)
vm = xenapi_fake.get_record("VM", vm_ref)
return vm, vm_ref
def tearDown(self):
super(VMOpsTestBase, self).tearDown()
for vm in self.vms:
xenapi_fake.destroy_vm(vm)
class VMOpsTestCase(VMOpsTestBase):
def setUp(self):
super(VMOpsTestCase, self).setUp()
self._setup_mock_vmops()
self.context = context.RequestContext('user', 'project')
self.instance = fake_instance.fake_instance_obj(self.context)
def _setup_mock_vmops(self, product_brand=None, product_version=None):
self._session = self._get_mock_session(product_brand, product_version)
self._vmops = vmops.VMOps(self._session, fake.FakeVirtAPI())
def _get_mock_session(self, product_brand, product_version):
class Mock(object):
pass
mock_session = Mock()
mock_session.product_brand = product_brand
mock_session.product_version = product_version
return mock_session
def _test_finish_revert_migration_after_crash(self, backup_made, new_made,
vm_shutdown=True):
instance = {'name': 'foo',
'task_state': task_states.RESIZE_MIGRATING}
context = 'fake_context'
lookup_returns = [backup_made and 'foo' or None,
(not backup_made or new_made) and 'foo' or None]
@mock.patch.object(vm_utils, 'lookup',
side_effect=lookup_returns)
@mock.patch.object(self._vmops, '_destroy')
@mock.patch.object(vm_utils, 'set_vm_name_label')
@mock.patch.object(self._vmops, '_attach_mapped_block_devices')
@mock.patch.object(self._vmops, '_start')
@mock.patch.object(vm_utils, 'is_vm_shutdown',
return_value=vm_shutdown)
def test(mock_is_vm, mock_start, mock_attach_bdm, mock_set_vm_name,
mock_destroy, mock_lookup):
self._vmops.finish_revert_migration(context, instance, [])
mock_lookup.assert_has_calls([mock.call(self._session, 'foo-orig'),
mock.call(self._session, 'foo')])
if backup_made:
if new_made:
mock_destroy.assert_called_once_with(instance, 'foo')
mock_set_vm_name.assert_called_once_with(self._session, 'foo',
'foo')
mock_attach_bdm.assert_called_once_with(instance, [])
mock_is_vm.assert_called_once_with(self._session, 'foo')
if vm_shutdown:
mock_start.assert_called_once_with(instance, 'foo')
test()
def test_finish_revert_migration_after_crash(self):
self._test_finish_revert_migration_after_crash(True, True)
def test_finish_revert_migration_after_crash_before_new(self):
self._test_finish_revert_migration_after_crash(True, False)
def test_finish_revert_migration_after_crash_before_backup(self):
self._test_finish_revert_migration_after_crash(False, False)
@mock.patch.object(vm_utils, 'lookup', return_value=None)
def test_get_vm_opaque_ref_raises_instance_not_found(self, mock_lookup):
instance = {"name": "dummy"}
self.assertRaises(exception.InstanceNotFound,
self._vmops._get_vm_opaque_ref, instance)
mock_lookup.assert_called_once_with(self._session, instance['name'],
False)
@mock.patch.object(vm_utils, 'destroy_vm')
@mock.patch.object(vm_utils, 'clean_shutdown_vm')
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
def test_clean_shutdown_no_bdm_on_destroy(self, hard_shutdown_vm,
clean_shutdown_vm, destroy_vm):
vm_ref = 'vm_ref'
self._vmops._destroy(self.instance, vm_ref, destroy_disks=False)
hard_shutdown_vm.assert_called_once_with(self._vmops._session,
self.instance, vm_ref)
self.assertEqual(0, clean_shutdown_vm.call_count)
@mock.patch.object(vm_utils, 'destroy_vm')
@mock.patch.object(vm_utils, 'clean_shutdown_vm')
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
def test_clean_shutdown_with_bdm_on_destroy(self, hard_shutdown_vm,
clean_shutdown_vm, destroy_vm):
vm_ref = 'vm_ref'
block_device_info = {'block_device_mapping': ['fake']}
self._vmops._destroy(self.instance, vm_ref, destroy_disks=False,
block_device_info=block_device_info)
clean_shutdown_vm.assert_called_once_with(self._vmops._session,
self.instance, vm_ref)
self.assertEqual(0, hard_shutdown_vm.call_count)
@mock.patch.object(vm_utils, 'destroy_vm')
@mock.patch.object(vm_utils, 'clean_shutdown_vm', return_value=False)
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
def test_clean_shutdown_with_bdm_failed_on_destroy(self, hard_shutdown_vm,
clean_shutdown_vm, destroy_vm):
vm_ref = 'vm_ref'
block_device_info = {'block_device_mapping': ['fake']}
self._vmops._destroy(self.instance, vm_ref, destroy_disks=False,
block_device_info=block_device_info)
clean_shutdown_vm.assert_called_once_with(self._vmops._session,
self.instance, vm_ref)
hard_shutdown_vm.assert_called_once_with(self._vmops._session,
self.instance, vm_ref)
@mock.patch.object(vm_utils, 'try_auto_configure_disk')
@mock.patch.object(vm_utils, 'create_vbd',
side_effect=test.TestingException)
def test_attach_disks_rescue_auto_disk_config_false(self, create_vbd,
try_auto_config):
ctxt = context.RequestContext('user', 'project')
instance = fake_instance.fake_instance_obj(ctxt)
image_meta = objects.ImageMeta.from_dict(
{'properties': {'auto_disk_config': 'false'}})
vdis = {'root': {'ref': 'fake-ref'}}
self.assertRaises(test.TestingException, self._vmops._attach_disks,
ctxt, instance, image_meta=image_meta, vm_ref=None,
name_label=None, vdis=vdis, disk_image_type='fake',
network_info=[], rescue=True)
self.assertFalse(try_auto_config.called)
@mock.patch.object(vm_utils, 'try_auto_configure_disk')
@mock.patch.object(vm_utils, 'create_vbd',
side_effect=test.TestingException)
def test_attach_disks_rescue_auto_disk_config_true(self, create_vbd,
try_auto_config):
ctxt = context.RequestContext('user', 'project')
instance = fake_instance.fake_instance_obj(ctxt)
image_meta = objects.ImageMeta.from_dict(
{'properties': {'auto_disk_config': 'true'}})
vdis = {'root': {'ref': 'fake-ref'}}
self.assertRaises(test.TestingException, self._vmops._attach_disks,
ctxt, instance, image_meta=image_meta, vm_ref=None,
name_label=None, vdis=vdis, disk_image_type='fake',
network_info=[], rescue=True)
try_auto_config.assert_called_once_with(self._vmops._session,
'fake-ref', instance.flavor.root_gb)
class InjectAutoDiskConfigTestCase(VMOpsTestBase):
def test_inject_auto_disk_config_when_present(self):
vm, vm_ref = self.create_vm("dummy")
instance = {"name": "dummy", "uuid": "1234", "auto_disk_config": True}
self.vmops._inject_auto_disk_config(instance, vm_ref)
xenstore_data = vm['xenstore_data']
self.assertEqual(xenstore_data['vm-data/auto-disk-config'], 'True')
def test_inject_auto_disk_config_none_as_false(self):
vm, vm_ref = self.create_vm("dummy")
instance = {"name": "dummy", "uuid": "1234", "auto_disk_config": None}
self.vmops._inject_auto_disk_config(instance, vm_ref)
xenstore_data = vm['xenstore_data']
self.assertEqual(xenstore_data['vm-data/auto-disk-config'], 'False')
class GetConsoleOutputTestCase(VMOpsTestBase):
def test_get_console_output_works(self):
ctxt = context.RequestContext('user', 'project')
instance = fake_instance.fake_instance_obj(ctxt)
self.mox.StubOutWithMock(self.vmops, '_get_last_dom_id')
self.vmops._get_last_dom_id(instance, check_rescue=True).AndReturn(42)
self.mox.ReplayAll()
self.assertEqual(b"dom_id: 42",
self.vmops.get_console_output(instance))
def test_get_console_output_not_available(self):
self.mox.StubOutWithMock(self.vmops, '_get_last_dom_id')
ctxt = context.RequestContext('user', 'project')
instance = fake_instance.fake_instance_obj(ctxt)
# dom_id=0 used to trigger exception in fake XenAPI
self.vmops._get_last_dom_id(instance, check_rescue=True).AndReturn(0)
self.mox.ReplayAll()
self.assertRaises(exception.ConsoleNotAvailable,
self.vmops.get_console_output, instance)
def test_get_dom_id_works(self):
instance = {"name": "dummy"}
vm, vm_ref = self.create_vm("dummy")
self.assertEqual(vm["domid"], self.vmops._get_dom_id(instance))
def test_get_dom_id_works_with_rescue_vm(self):
instance = {"name": "dummy"}
vm, vm_ref = self.create_vm("dummy-rescue")
self.assertEqual(vm["domid"],
self.vmops._get_dom_id(instance, check_rescue=True))
def test_get_dom_id_raises_not_found(self):
instance = {"name": "dummy"}
self.create_vm("not-dummy")
self.assertRaises(exception.InstanceNotFound,
self.vmops._get_dom_id, instance)
def test_get_dom_id_works_with_vmref(self):
vm, vm_ref = self.create_vm("dummy")
instance = {'name': 'dummy'}
self.assertEqual(vm["domid"],
self.vmops._get_dom_id(instance, vm_ref=vm_ref))
def test_get_dom_id_fails_if_shutdown(self):
vm, vm_ref = self.create_vm("dummy")
instance = {'name': 'dummy'}
self._session.VM.hard_shutdown(vm_ref)
self.assertRaises(exception.InstanceNotFound,
self.vmops._get_dom_id, instance, vm_ref=vm_ref)
class SpawnTestCase(VMOpsTestBase):
def _stub_out_common(self):
self.mox.StubOutWithMock(self.vmops, '_ensure_instance_name_unique')
self.mox.StubOutWithMock(self.vmops, '_ensure_enough_free_mem')
self.mox.StubOutWithMock(self.vmops, '_update_instance_progress')
self.mox.StubOutWithMock(vm_utils, 'determine_disk_image_type')
self.mox.StubOutWithMock(self.vmops, '_get_vdis_for_instance')
self.mox.StubOutWithMock(vm_utils, 'safe_destroy_vdis')
self.mox.StubOutWithMock(self.vmops._volumeops,
'safe_cleanup_from_vdis')
self.mox.StubOutWithMock(self.vmops, '_resize_up_vdis')
self.mox.StubOutWithMock(vm_utils,
'create_kernel_and_ramdisk')
self.mox.StubOutWithMock(vm_utils, 'destroy_kernel_ramdisk')
self.mox.StubOutWithMock(self.vmops, '_create_vm_record')
self.mox.StubOutWithMock(self.vmops, '_destroy')
self.mox.StubOutWithMock(self.vmops, '_attach_disks')
self.mox.StubOutWithMock(pci_manager, 'get_instance_pci_devs')
self.mox.StubOutWithMock(vm_utils, 'set_other_config_pci')
self.mox.StubOutWithMock(self.vmops, '_attach_orig_disks')
self.mox.StubOutWithMock(self.vmops, 'inject_network_info')
self.mox.StubOutWithMock(self.vmops, '_inject_hostname')
self.mox.StubOutWithMock(self.vmops, '_inject_instance_metadata')
self.mox.StubOutWithMock(self.vmops, '_inject_auto_disk_config')
self.mox.StubOutWithMock(self.vmops, '_file_inject_vm_settings')
self.mox.StubOutWithMock(self.vmops, '_create_vifs')
self.mox.StubOutWithMock(self.vmops.firewall_driver,
'setup_basic_filtering')
self.mox.StubOutWithMock(self.vmops.firewall_driver,
'prepare_instance_filter')
self.mox.StubOutWithMock(self.vmops, '_start')
self.mox.StubOutWithMock(self.vmops, '_wait_for_instance_to_start')
self.mox.StubOutWithMock(self.vmops,
'_configure_new_instance_with_agent')
self.mox.StubOutWithMock(self.vmops, '_remove_hostname')
self.mox.StubOutWithMock(self.vmops.firewall_driver,
'apply_instance_filter')
self.mox.StubOutWithMock(self.vmops, '_update_last_dom_id')
self.mox.StubOutWithMock(self.vmops._session, 'call_xenapi')
def _test_spawn(self, name_label_param=None, block_device_info_param=None,
rescue=False, include_root_vdi=True, throw_exception=None,
attach_pci_dev=False, neutron_exception=False,
network_info=None):
self._stub_out_common()
instance = {"name": "dummy", "uuid": "fake_uuid"}
name_label = name_label_param
if name_label is None:
name_label = "dummy"
image_meta = objects.ImageMeta.from_dict({"id": uuids.image_id})
context = "context"
session = self.vmops._session
injected_files = "fake_files"
admin_password = "password"
if network_info is None:
network_info = []
steps = 10
if rescue:
steps += 1
block_device_info = block_device_info_param
if block_device_info and not block_device_info['root_device_name']:
block_device_info = dict(block_device_info_param)
block_device_info['root_device_name'] = \
self.vmops.default_root_dev
di_type = "di_type"
vm_utils.determine_disk_image_type(image_meta).AndReturn(di_type)
step = 1
self.vmops._update_instance_progress(context, instance, step, steps)
vdis = {"other": {"ref": "fake_ref_2", "osvol": True}}
if include_root_vdi:
vdis["root"] = {"ref": "fake_ref"}
self.vmops._get_vdis_for_instance(context, instance,
name_label, image_meta, di_type,
block_device_info).AndReturn(vdis)
self.vmops._resize_up_vdis(instance, vdis)
step += 1
self.vmops._update_instance_progress(context, instance, step, steps)
kernel_file = "kernel"
ramdisk_file = "ramdisk"
vm_utils.create_kernel_and_ramdisk(context, session,
instance, name_label).AndReturn((kernel_file, ramdisk_file))
step += 1
self.vmops._update_instance_progress(context, instance, step, steps)
vm_ref = "fake_vm_ref"
self.vmops._ensure_instance_name_unique(name_label)
self.vmops._ensure_enough_free_mem(instance)
self.vmops._create_vm_record(context, instance, name_label,
di_type, kernel_file,
ramdisk_file, image_meta, rescue).AndReturn(vm_ref)
step += 1
self.vmops._update_instance_progress(context, instance, step, steps)
self.vmops._attach_disks(context, instance, image_meta, vm_ref,
name_label, vdis, di_type, network_info, rescue,
admin_password, injected_files)
if attach_pci_dev:
fake_dev = {
'created_at': None,
'updated_at': None,
'deleted_at': None,
'deleted': None,
'id': 1,
'compute_node_id': 1,
'address': '00:00.0',
'vendor_id': '1234',
'product_id': 'abcd',
'dev_type': fields.PciDeviceType.STANDARD,
'status': 'available',
'dev_id': 'devid',
'label': 'label',
'instance_uuid': None,
'extra_info': '{}',
}
pci_manager.get_instance_pci_devs(instance).AndReturn([fake_dev])
vm_utils.set_other_config_pci(self.vmops._session,
vm_ref,
"0/0000:00:00.0")
else:
pci_manager.get_instance_pci_devs(instance).AndReturn([])
step += 1
self.vmops._update_instance_progress(context, instance, step, steps)
self.vmops._inject_instance_metadata(instance, vm_ref)
self.vmops._inject_auto_disk_config(instance, vm_ref)
self.vmops._inject_hostname(instance, vm_ref, rescue)
self.vmops._file_inject_vm_settings(instance, vm_ref, vdis,
network_info)
self.vmops.inject_network_info(instance, network_info, vm_ref)
step += 1
self.vmops._update_instance_progress(context, instance, step, steps)
if neutron_exception:
events = [('network-vif-plugged', 1)]
self.vmops._get_neutron_events(network_info,
True, True, False).AndReturn(events)
self.mox.StubOutWithMock(self.vmops, '_neutron_failed_callback')
self.mox.StubOutWithMock(self.vmops._virtapi,
'wait_for_instance_event')
self.vmops._virtapi.wait_for_instance_event(instance, events,
deadline=300,
error_callback=self.vmops._neutron_failed_callback).\
AndRaise(exception.VirtualInterfaceCreateException)
else:
self.vmops._create_vifs(instance, vm_ref, network_info)
self.vmops.firewall_driver.setup_basic_filtering(instance,
network_info).AndRaise(NotImplementedError)
self.vmops.firewall_driver.prepare_instance_filter(instance,
network_info)
step += 1
self.vmops._update_instance_progress(context, instance,
step, steps)
if rescue:
self.vmops._attach_orig_disks(instance, vm_ref)
step += 1
self.vmops._update_instance_progress(context, instance, step,
steps)
start_pause = True
self.vmops._start(instance, vm_ref, start_pause=start_pause)
step += 1
self.vmops._update_instance_progress(context, instance,
step, steps)
self.vmops.firewall_driver.apply_instance_filter(instance,
network_info)
step += 1
self.vmops._update_instance_progress(context, instance,
step, steps)
self.vmops._session.call_xenapi('VM.unpause', vm_ref)
self.vmops._wait_for_instance_to_start(instance, vm_ref)
self.vmops._update_last_dom_id(vm_ref)
self.vmops._configure_new_instance_with_agent(instance, vm_ref,
injected_files, admin_password)
self.vmops._remove_hostname(instance, vm_ref)
step += 1
last_call = self.vmops._update_instance_progress(context, instance,
step, steps)
if throw_exception:
last_call.AndRaise(throw_exception)
if throw_exception or neutron_exception:
self.vmops._destroy(instance, vm_ref, network_info=network_info)
vm_utils.destroy_kernel_ramdisk(self.vmops._session, instance,
kernel_file, ramdisk_file)
vm_utils.safe_destroy_vdis(self.vmops._session, ["fake_ref"])
self.vmops._volumeops.safe_cleanup_from_vdis(["fake_ref_2"])
self.mox.ReplayAll()
self.vmops.spawn(context, instance, image_meta, injected_files,
admin_password, network_info,
block_device_info_param, name_label_param, rescue)
def test_spawn(self):
self._test_spawn()
def test_spawn_with_alternate_options(self):
self._test_spawn(include_root_vdi=False, rescue=True,
name_label_param="bob",
block_device_info_param={"root_device_name": ""})
def test_spawn_with_pci_available_on_the_host(self):
self._test_spawn(attach_pci_dev=True)
def test_spawn_performs_rollback_and_throws_exception(self):
self.assertRaises(test.TestingException, self._test_spawn,
throw_exception=test.TestingException())
def test_spawn_with_neutron(self):
self.flags(use_neutron=True)
self.mox.StubOutWithMock(self.vmops, '_get_neutron_events')
events = [('network-vif-plugged', 1)]
network_info = [{'id': 1, 'active': True}]
self.vmops._get_neutron_events(network_info,
True, True, False).AndReturn(events)
self.mox.StubOutWithMock(self.vmops,
'_neutron_failed_callback')
self._test_spawn(network_info=network_info)
def test_spawn_with_neutron_exception(self):
self.mox.StubOutWithMock(self.vmops, '_get_neutron_events')
self.assertRaises(exception.VirtualInterfaceCreateException,
self._test_spawn, neutron_exception=True)
def _test_finish_migration(self, power_on=True, resize_instance=True,
throw_exception=None, booted_from_volume=False):
self._stub_out_common()
self.mox.StubOutWithMock(volumeops.VolumeOps, "connect_volume")
self.mox.StubOutWithMock(vm_utils, "import_all_migrated_disks")
self.mox.StubOutWithMock(self.vmops, "_attach_mapped_block_devices")
context = "context"
migration = {}
name_label = "dummy"
instance = {"name": name_label, "uuid": "fake_uuid",
"root_device_name": "/dev/xvda"}
disk_info = "disk_info"
network_info = "net_info"
image_meta = objects.ImageMeta.from_dict({"id": uuids.image_id})
block_device_info = {}
import_root = True
if booted_from_volume:
block_device_info = {'block_device_mapping': [
{'mount_device': '/dev/xvda',
'connection_info': {'data': 'fake-data'}}]}
import_root = False
volumeops.VolumeOps.connect_volume(
{'data': 'fake-data'}).AndReturn(('sr', 'vol-vdi-uuid'))
self.vmops._session.call_xenapi('VDI.get_by_uuid',
'vol-vdi-uuid').AndReturn('vol-vdi-ref')
session = self.vmops._session
self.vmops._ensure_instance_name_unique(name_label)
self.vmops._ensure_enough_free_mem(instance)
di_type = "di_type"
vm_utils.determine_disk_image_type(image_meta).AndReturn(di_type)
root_vdi = {"ref": "fake_ref"}
ephemeral_vdi = {"ref": "fake_ref_e"}
vdis = {"root": root_vdi, "ephemerals": {4: ephemeral_vdi}}
vm_utils.import_all_migrated_disks(self.vmops._session, instance,
import_root=import_root).AndReturn(vdis)
kernel_file = "kernel"
ramdisk_file = "ramdisk"
vm_utils.create_kernel_and_ramdisk(context, session,
instance, name_label).AndReturn((kernel_file, ramdisk_file))
vm_ref = "fake_vm_ref"
rescue = False
self.vmops._create_vm_record(context, instance, name_label,
di_type, kernel_file,
ramdisk_file, image_meta, rescue).AndReturn(vm_ref)
if resize_instance:
self.vmops._resize_up_vdis(instance, vdis)
self.vmops._attach_disks(context, instance, image_meta, vm_ref,
name_label, vdis, di_type, network_info, False,
None, None)
self.vmops._attach_mapped_block_devices(instance, block_device_info)
pci_manager.get_instance_pci_devs(instance).AndReturn([])
self.vmops._inject_instance_metadata(instance, vm_ref)
self.vmops._inject_auto_disk_config(instance, vm_ref)
self.vmops._file_inject_vm_settings(instance, vm_ref, vdis,
network_info)
self.vmops.inject_network_info(instance, network_info, vm_ref)
self.vmops._create_vifs(instance, vm_ref, network_info)
self.vmops.firewall_driver.setup_basic_filtering(instance,
network_info).AndRaise(NotImplementedError)
self.vmops.firewall_driver.prepare_instance_filter(instance,
network_info)
if power_on:
self.vmops._start(instance, vm_ref, start_pause=True)
self.vmops.firewall_driver.apply_instance_filter(instance,
network_info)
if power_on:
self.vmops._session.call_xenapi('VM.unpause', vm_ref)
self.vmops._wait_for_instance_to_start(instance, vm_ref)
self.vmops._update_last_dom_id(vm_ref)
last_call = self.vmops._update_instance_progress(context, instance,
step=5, total_steps=5)
if throw_exception:
last_call.AndRaise(throw_exception)
self.vmops._destroy(instance, vm_ref, network_info=network_info)
vm_utils.destroy_kernel_ramdisk(self.vmops._session, instance,
kernel_file, ramdisk_file)
vm_utils.safe_destroy_vdis(self.vmops._session,
["fake_ref_e", "fake_ref"])
self.mox.ReplayAll()
self.vmops.finish_migration(context, migration, instance, disk_info,
network_info, image_meta, resize_instance,
block_device_info, power_on)
def test_finish_migration(self):
self._test_finish_migration()
def test_finish_migration_no_power_on(self):
self._test_finish_migration(power_on=False, resize_instance=False)
def test_finish_migration_booted_from_volume(self):
self._test_finish_migration(booted_from_volume=True)
def test_finish_migrate_performs_rollback_on_error(self):
self.assertRaises(test.TestingException, self._test_finish_migration,
power_on=False, resize_instance=False,
throw_exception=test.TestingException())
def test_remove_hostname(self):
vm, vm_ref = self.create_vm("dummy")
instance = {"name": "dummy", "uuid": "1234", "auto_disk_config": None}
self.mox.StubOutWithMock(self._session, 'call_xenapi')
self._session.call_xenapi("VM.remove_from_xenstore_data", vm_ref,
"vm-data/hostname")
self.mox.ReplayAll()
self.vmops._remove_hostname(instance, vm_ref)
self.mox.VerifyAll()
def test_reset_network(self):
class mock_agent(object):
def __init__(self):
self.called = False
def resetnetwork(self):
self.called = True
vm, vm_ref = self.create_vm("dummy")
instance = {"name": "dummy", "uuid": "1234", "auto_disk_config": None}
agent = mock_agent()
self.mox.StubOutWithMock(self.vmops, 'agent_enabled')
self.mox.StubOutWithMock(self.vmops, '_get_agent')
self.mox.StubOutWithMock(self.vmops, '_inject_hostname')
self.mox.StubOutWithMock(self.vmops, '_remove_hostname')
self.vmops.agent_enabled(instance).AndReturn(True)
self.vmops._get_agent(instance, vm_ref).AndReturn(agent)
self.vmops._inject_hostname(instance, vm_ref, False)
self.vmops._remove_hostname(instance, vm_ref)
self.mox.ReplayAll()
self.vmops.reset_network(instance)
self.assertTrue(agent.called)
self.mox.VerifyAll()
def test_inject_hostname(self):
instance = {"hostname": "dummy", "os_type": "fake", "uuid": "uuid"}
vm_ref = "vm_ref"
self.mox.StubOutWithMock(self.vmops, '_add_to_param_xenstore')
self.vmops._add_to_param_xenstore(vm_ref, 'vm-data/hostname', 'dummy')
self.mox.ReplayAll()
self.vmops._inject_hostname(instance, vm_ref, rescue=False)
def test_inject_hostname_with_rescue_prefix(self):
instance = {"hostname": "dummy", "os_type": "fake", "uuid": "uuid"}
vm_ref = "vm_ref"
self.mox.StubOutWithMock(self.vmops, '_add_to_param_xenstore')
self.vmops._add_to_param_xenstore(vm_ref, 'vm-data/hostname',
'RESCUE-dummy')
self.mox.ReplayAll()
self.vmops._inject_hostname(instance, vm_ref, rescue=True)
def test_inject_hostname_with_windows_name_truncation(self):
instance = {"hostname": "dummydummydummydummydummy",
"os_type": "windows", "uuid": "uuid"}
vm_ref = "vm_ref"
self.mox.StubOutWithMock(self.vmops, '_add_to_param_xenstore')
self.vmops._add_to_param_xenstore(vm_ref, 'vm-data/hostname',
'RESCUE-dummydum')
self.mox.ReplayAll()
self.vmops._inject_hostname(instance, vm_ref, rescue=True)
def test_wait_for_instance_to_start(self):
instance = {"uuid": "uuid"}
vm_ref = "vm_ref"
self.mox.StubOutWithMock(vm_utils, 'get_power_state')
self.mox.StubOutWithMock(greenthread, 'sleep')
vm_utils.get_power_state(self._session, vm_ref).AndReturn(
power_state.SHUTDOWN)
greenthread.sleep(0.5)
vm_utils.get_power_state(self._session, vm_ref).AndReturn(
power_state.RUNNING)
self.mox.ReplayAll()
self.vmops._wait_for_instance_to_start(instance, vm_ref)
@mock.patch.object(vm_utils, 'lookup', return_value='ref')
@mock.patch.object(vm_utils, 'create_vbd')
def test_attach_orig_disks(self, mock_create_vbd, mock_lookup):
instance = {"name": "dummy"}
vm_ref = "vm_ref"
vbd_refs = {vmops.DEVICE_ROOT: "vdi_ref"}
with mock.patch.object(self.vmops, '_find_vdi_refs',
return_value=vbd_refs) as mock_find_vdi:
self.vmops._attach_orig_disks(instance, vm_ref)
mock_lookup.assert_called_once_with(self.vmops._session, 'dummy')
mock_find_vdi.assert_called_once_with('ref', exclude_volumes=True)
mock_create_vbd.assert_called_once_with(
self.vmops._session, vm_ref, 'vdi_ref', vmops.DEVICE_RESCUE,
bootable=False)
def test_agent_update_setup(self):
# agent updates need to occur after networking is configured
instance = {'name': 'betelgeuse',
'uuid': '1-2-3-4-5-6'}
vm_ref = 'vm_ref'
agent = xenapi_agent.XenAPIBasedAgent(self.vmops._session,
self.vmops._virtapi, instance, vm_ref)
self.mox.StubOutWithMock(xenapi_agent, 'should_use_agent')
self.mox.StubOutWithMock(self.vmops, '_get_agent')
self.mox.StubOutWithMock(agent, 'get_version')
self.mox.StubOutWithMock(agent, 'resetnetwork')
self.mox.StubOutWithMock(agent, 'update_if_needed')
xenapi_agent.should_use_agent(instance).AndReturn(True)
self.vmops._get_agent(instance, vm_ref).AndReturn(agent)
agent.get_version().AndReturn('1.2.3')
agent.resetnetwork()
agent.update_if_needed('1.2.3')
self.mox.ReplayAll()
self.vmops._configure_new_instance_with_agent(instance, vm_ref,
None, None)
@mock.patch.object(utils, 'is_neutron', return_value=True)
def test_get_neutron_event(self, mock_is_neutron):
network_info = [{"active": False, "id": 1},
{"active": True, "id": 2},
{"active": False, "id": 3},
{"id": 4}]
power_on = True
first_boot = True
rescue = False
events = self.vmops._get_neutron_events(network_info,
power_on, first_boot, rescue)
self.assertEqual("network-vif-plugged", events[0][0])
self.assertEqual(1, events[0][1])
self.assertEqual("network-vif-plugged", events[1][0])
self.assertEqual(3, events[1][1])
@mock.patch.object(utils, 'is_neutron', return_value=False)
def test_get_neutron_event_not_neutron_network(self, mock_is_neutron):
network_info = [{"active": False, "id": 1},
{"active": True, "id": 2},
{"active": False, "id": 3},
{"id": 4}]
power_on = True
first_boot = True
rescue = False
events = self.vmops._get_neutron_events(network_info,
power_on, first_boot, rescue)
self.assertEqual([], events)
@mock.patch.object(utils, 'is_neutron', return_value=True)
def test_get_neutron_event_power_off(self, mock_is_neutron):
network_info = [{"active": False, "id": 1},
{"active": True, "id": 2},
{"active": False, "id": 3},
{"id": 4}]
power_on = False
first_boot = True
rescue = False
events = self.vmops._get_neutron_events(network_info,
power_on, first_boot, rescue)
self.assertEqual([], events)
@mock.patch.object(utils, 'is_neutron', return_value=True)
def test_get_neutron_event_not_first_boot(self, mock_is_neutron):
network_info = [{"active": False, "id": 1},
{"active": True, "id": 2},
{"active": False, "id": 3},
{"id": 4}]
power_on = True
first_boot = False
rescue = False
events = self.vmops._get_neutron_events(network_info,
power_on, first_boot, rescue)
self.assertEqual([], events)
@mock.patch.object(utils, 'is_neutron', return_value=True)
def test_get_neutron_event_rescue(self, mock_is_neutron):
network_info = [{"active": False, "id": 1},
{"active": True, "id": 2},
{"active": False, "id": 3},
{"id": 4}]
power_on = True
first_boot = True
rescue = True
events = self.vmops._get_neutron_events(network_info,
power_on, first_boot, rescue)
self.assertEqual([], events)
class DestroyTestCase(VMOpsTestBase):
def setUp(self):
super(DestroyTestCase, self).setUp()
self.context = context.RequestContext(user_id=None, project_id=None)
self.instance = fake_instance.fake_instance_obj(self.context)
@mock.patch.object(vm_utils, 'lookup', side_effect=[None, None])
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
@mock.patch.object(volume_utils, 'find_sr_by_uuid')
@mock.patch.object(volume_utils, 'forget_sr')
def test_no_vm_no_bdm(self, forget_sr, find_sr_by_uuid, hard_shutdown_vm,
lookup):
self.vmops.destroy(self.instance, 'network_info',
{'block_device_mapping': []})
self.assertEqual(0, find_sr_by_uuid.call_count)
self.assertEqual(0, forget_sr.call_count)
self.assertEqual(0, hard_shutdown_vm.call_count)
@mock.patch.object(vm_utils, 'lookup', side_effect=[None, None])
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
@mock.patch.object(volume_utils, 'find_sr_by_uuid', return_value=None)
@mock.patch.object(volume_utils, 'forget_sr')
def test_no_vm_orphaned_volume_no_sr(self, forget_sr, find_sr_by_uuid,
hard_shutdown_vm, lookup):
self.vmops.destroy(self.instance, 'network_info',
{'block_device_mapping': [{'connection_info':
{'data': {'volume_id': 'fake-uuid'}}}]})
find_sr_by_uuid.assert_called_once_with(self.vmops._session,
'FA15E-D15C-fake-uuid')
self.assertEqual(0, forget_sr.call_count)
self.assertEqual(0, hard_shutdown_vm.call_count)
@mock.patch.object(vm_utils, 'lookup', side_effect=[None, None])
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
@mock.patch.object(volume_utils, 'find_sr_by_uuid', return_value='sr_ref')
@mock.patch.object(volume_utils, 'forget_sr')
def test_no_vm_orphaned_volume_old_sr(self, forget_sr, find_sr_by_uuid,
hard_shutdown_vm, lookup):
self.vmops.destroy(self.instance, 'network_info',
{'block_device_mapping': [{'connection_info':
{'data': {'volume_id': 'fake-uuid'}}}]})
find_sr_by_uuid.assert_called_once_with(self.vmops._session,
'FA15E-D15C-fake-uuid')
forget_sr.assert_called_once_with(self.vmops._session, 'sr_ref')
self.assertEqual(0, hard_shutdown_vm.call_count)
@mock.patch.object(vm_utils, 'lookup', side_effect=[None, None])
@mock.patch.object(vm_utils, 'hard_shutdown_vm')
@mock.patch.object(volume_utils, 'find_sr_by_uuid',
side_effect=[None, 'sr_ref'])
@mock.patch.object(volume_utils, 'forget_sr')
@mock.patch.object(uuid, 'uuid5', return_value='fake-uuid')
def test_no_vm_orphaned_volume(self, uuid5, forget_sr,
find_sr_by_uuid, hard_shutdown_vm, lookup):
fake_data = {'volume_id': 'fake-uuid',
'target_portal': 'host:port',
'target_iqn': 'iqn'}
self.vmops.destroy(self.instance, 'network_info',
{'block_device_mapping': [{'connection_info':
{'data': fake_data}}]})
call1 = mock.call(self.vmops._session, 'FA15E-D15C-fake-uuid')
call2 = mock.call(self.vmops._session, 'fake-uuid')
uuid5.assert_called_once_with(volume_utils.SR_NAMESPACE,
'host/port/iqn')
find_sr_by_uuid.assert_has_calls([call1, call2])
forget_sr.assert_called_once_with(self.vmops._session, 'sr_ref')
self.assertEqual(0, hard_shutdown_vm.call_count)
@mock.patch.object(vmops.VMOps, '_update_instance_progress')
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
@mock.patch.object(vm_utils, 'get_sr_path')
@mock.patch.object(vmops.VMOps, '_detach_block_devices_from_orig_vm')
@mock.patch.object(vmops.VMOps, '_migrate_disk_resizing_down')
@mock.patch.object(vmops.VMOps, '_migrate_disk_resizing_up')
class MigrateDiskAndPowerOffTestCase(VMOpsTestBase):
def setUp(self):
super(MigrateDiskAndPowerOffTestCase, self).setUp()
self.context = context.RequestContext('user', 'project')
def test_migrate_disk_and_power_off_works_down(self,
migrate_up, migrate_down, *mocks):
instance = objects.Instance(
flavor=objects.Flavor(root_gb=2, ephemeral_gb=0),
uuid=uuids.instance)
flavor = fake_flavor.fake_flavor_obj(self.context, root_gb=1,
ephemeral_gb=0)
self.vmops.migrate_disk_and_power_off(None, instance, None,
flavor, None)
self.assertFalse(migrate_up.called)
self.assertTrue(migrate_down.called)
def test_migrate_disk_and_power_off_works_up(self,
migrate_up, migrate_down, *mocks):
instance = objects.Instance(
flavor=objects.Flavor(root_gb=1,
ephemeral_gb=1),
uuid=uuids.instance)
flavor = fake_flavor.fake_flavor_obj(self.context, root_gb=2,
ephemeral_gb=2)
self.vmops.migrate_disk_and_power_off(None, instance, None,
flavor, None)
self.assertFalse(migrate_down.called)
self.assertTrue(migrate_up.called)
def test_migrate_disk_and_power_off_resize_down_ephemeral_fails(self,
migrate_up, migrate_down, *mocks):
instance = objects.Instance(flavor=objects.Flavor(ephemeral_gb=2))
flavor = fake_flavor.fake_flavor_obj(self.context, ephemeral_gb=1)
self.assertRaises(exception.ResizeError,
self.vmops.migrate_disk_and_power_off,
None, instance, None, flavor, None)
@mock.patch.object(vm_utils, 'get_vdi_for_vm_safely')
@mock.patch.object(vm_utils, 'migrate_vhd')
@mock.patch.object(vmops.VMOps, '_resize_ensure_vm_is_shutdown')
@mock.patch.object(vm_utils, 'get_all_vdi_uuids_for_vm')
@mock.patch.object(vmops.VMOps, '_update_instance_progress')
@mock.patch.object(vmops.VMOps, '_apply_orig_vm_name_label')
class MigrateDiskResizingUpTestCase(VMOpsTestBase):
def _fake_snapshot_attached_here(self, session, instance, vm_ref, label,
userdevice, post_snapshot_callback):
self.assertIsInstance(instance, dict)
if userdevice == '0':
self.assertEqual("vm_ref", vm_ref)
self.assertEqual("fake-snapshot", label)
yield ["leaf", "parent", "grandp"]
else:
leaf = userdevice + "-leaf"
parent = userdevice + "-parent"
yield [leaf, parent]
@mock.patch.object(volume_utils, 'is_booted_from_volume',
return_value=False)
def test_migrate_disk_resizing_up_works_no_ephemeral(self,
mock_is_booted_from_volume,
mock_apply_orig, mock_update_progress, mock_get_all_vdi_uuids,
mock_shutdown, mock_migrate_vhd, mock_get_vdi_for_vm):
context = "ctxt"
instance = {"name": "fake", "uuid": "uuid"}
dest = "dest"
vm_ref = "vm_ref"
sr_path = "sr_path"
mock_get_all_vdi_uuids.return_value = None
mock_get_vdi_for_vm.return_value = ({}, {"uuid": "root"})
with mock.patch.object(vm_utils, '_snapshot_attached_here_impl',
self._fake_snapshot_attached_here):
self.vmops._migrate_disk_resizing_up(context, instance, dest,
vm_ref, sr_path)
mock_get_all_vdi_uuids.assert_called_once_with(self.vmops._session,
vm_ref, min_userdevice=4)
mock_apply_orig.assert_called_once_with(instance, vm_ref)
mock_shutdown.assert_called_once_with(instance, vm_ref)
m_vhd_expected = [mock.call(self.vmops._session, instance, "parent",
dest, sr_path, 1),
mock.call(self.vmops._session, instance, "grandp",
dest, sr_path, 2),
mock.call(self.vmops._session, instance, "root",
dest, sr_path, 0)]
self.assertEqual(m_vhd_expected, mock_migrate_vhd.call_args_list)
prog_expected = [
mock.call(context, instance, 1, 5),
mock.call(context, instance, 2, 5),
mock.call(context, instance, 3, 5),
mock.call(context, instance, 4, 5)
# 5/5: step to be executed by finish migration.
]
self.assertEqual(prog_expected, mock_update_progress.call_args_list)
@mock.patch.object(volume_utils, 'is_booted_from_volume',
return_value=False)
def test_migrate_disk_resizing_up_works_with_two_ephemeral(self,
mock_is_booted_from_volume,
mock_apply_orig, mock_update_progress, mock_get_all_vdi_uuids,
mock_shutdown, mock_migrate_vhd, mock_get_vdi_for_vm):
context = "ctxt"
instance = {"name": "fake", "uuid": "uuid"}
dest = "dest"
vm_ref = "vm_ref"
sr_path = "sr_path"
mock_get_all_vdi_uuids.return_value = ["vdi-eph1", "vdi-eph2"]
mock_get_vdi_for_vm.side_effect = [({}, {"uuid": "root"}),
({}, {"uuid": "4-root"}),
({}, {"uuid": "5-root"})]
with mock.patch.object(vm_utils, '_snapshot_attached_here_impl',
self._fake_snapshot_attached_here):
self.vmops._migrate_disk_resizing_up(context, instance, dest,
vm_ref, sr_path)
mock_get_all_vdi_uuids.assert_called_once_with(self.vmops._session,
vm_ref, min_userdevice=4)
mock_apply_orig.assert_called_once_with(instance, vm_ref)
mock_shutdown.assert_called_once_with(instance, vm_ref)
m_vhd_expected = [mock.call(self.vmops._session, instance,
"parent", dest, sr_path, 1),
mock.call(self.vmops._session, instance,
"grandp", dest, sr_path, 2),
mock.call(self.vmops._session, instance,
"4-parent", dest, sr_path, 1, 1),
mock.call(self.vmops._session, instance,
"5-parent", dest, sr_path, 1, 2),
mock.call(self.vmops._session, instance,
"root", dest, sr_path, 0),
mock.call(self.vmops._session, instance,
"4-root", dest, sr_path, 0, 1),
mock.call(self.vmops._session, instance,
"5-root", dest, sr_path, 0, 2)]
self.assertEqual(m_vhd_expected, mock_migrate_vhd.call_args_list)
prog_expected = [
mock.call(context, instance, 1, 5),
mock.call(context, instance, 2, 5),
mock.call(context, instance, 3, 5),
mock.call(context, instance, 4, 5)
# 5/5: step to be executed by finish migration.
]
self.assertEqual(prog_expected, mock_update_progress.call_args_list)
@mock.patch.object(volume_utils, 'is_booted_from_volume',
return_value=True)
def test_migrate_disk_resizing_up_booted_from_volume(self,
mock_is_booted_from_volume,
mock_apply_orig, mock_update_progress, mock_get_all_vdi_uuids,
mock_shutdown, mock_migrate_vhd, mock_get_vdi_for_vm):
context = "ctxt"
instance = {"name": "fake", "uuid": "uuid"}
dest = "dest"
vm_ref = "vm_ref"
sr_path = "sr_path"
mock_get_all_vdi_uuids.return_value = ["vdi-eph1", "vdi-eph2"]
mock_get_vdi_for_vm.side_effect = [({}, {"uuid": "4-root"}),
({}, {"uuid": "5-root"})]
with mock.patch.object(vm_utils, '_snapshot_attached_here_impl',
self._fake_snapshot_attached_here):
self.vmops._migrate_disk_resizing_up(context, instance, dest,
vm_ref, sr_path)
mock_get_all_vdi_uuids.assert_called_once_with(self.vmops._session,
vm_ref, min_userdevice=4)
mock_apply_orig.assert_called_once_with(instance, vm_ref)
mock_shutdown.assert_called_once_with(instance, vm_ref)
m_vhd_expected = [mock.call(self.vmops._session, instance,
"4-parent", dest, sr_path, 1, 1),
mock.call(self.vmops._session, instance,
"5-parent", dest, sr_path, 1, 2),
mock.call(self.vmops._session, instance,
"4-root", dest, sr_path, 0, 1),
mock.call(self.vmops._session, instance,
"5-root", dest, sr_path, 0, 2)]
self.assertEqual(m_vhd_expected, mock_migrate_vhd.call_args_list)
prog_expected = [
mock.call(context, instance, 1, 5),
mock.call(context, instance, 2, 5),
mock.call(context, instance, 3, 5),
mock.call(context, instance, 4, 5)
# 5/5: step to be executed by finish migration.
]
self.assertEqual(prog_expected, mock_update_progress.call_args_list)
@mock.patch.object(vmops.VMOps, '_restore_orig_vm_and_cleanup_orphan')
@mock.patch.object(volume_utils, 'is_booted_from_volume',
return_value=False)
def test_migrate_disk_resizing_up_rollback(self,
mock_is_booted_from_volume,
mock_restore,
mock_apply_orig, mock_update_progress, mock_get_all_vdi_uuids,
mock_shutdown, mock_migrate_vhd, mock_get_vdi_for_vm):
context = "ctxt"
instance = {"name": "fake", "uuid": "fake"}
dest = "dest"
vm_ref = "vm_ref"
sr_path = "sr_path"
mock_migrate_vhd.side_effect = test.TestingException
mock_restore.side_effect = test.TestingException
with mock.patch.object(vm_utils, '_snapshot_attached_here_impl',
self._fake_snapshot_attached_here):
self.assertRaises(exception.InstanceFaultRollback,
self.vmops._migrate_disk_resizing_up,
context, instance, dest, vm_ref, sr_path)
mock_apply_orig.assert_called_once_with(instance, vm_ref)
mock_restore.assert_called_once_with(instance)
mock_migrate_vhd.assert_called_once_with(self.vmops._session,
instance, "parent", dest, sr_path, 1)
class CreateVMRecordTestCase(VMOpsTestBase):
@mock.patch.object(vm_utils, 'determine_vm_mode')
@mock.patch.object(vm_utils, 'get_vm_device_id')
@mock.patch.object(vm_utils, 'create_vm')
def test_create_vm_record_with_vm_device_id(self, mock_create_vm,
mock_get_vm_device_id, mock_determine_vm_mode):
context = "context"
instance = objects.Instance(vm_mode="vm_mode", uuid=uuids.instance)
name_label = "dummy"
disk_image_type = "vhd"
kernel_file = "kernel"
ramdisk_file = "ram"
device_id = "0002"
image_properties = {"xenapi_device_id": device_id}
image_meta = objects.ImageMeta.from_dict(
{"properties": image_properties})
rescue = False
session = "session"
self.vmops._session = session
mock_get_vm_device_id.return_value = device_id
mock_determine_vm_mode.return_value = "vm_mode"
self.vmops._create_vm_record(context, instance, name_label,
disk_image_type, kernel_file, ramdisk_file, image_meta, rescue)
mock_get_vm_device_id.assert_called_with(session, image_meta)
mock_create_vm.assert_called_with(session, instance, name_label,
kernel_file, ramdisk_file, False, device_id)
class BootableTestCase(VMOpsTestBase):
def setUp(self):
super(BootableTestCase, self).setUp()
self.instance = {"name": "test", "uuid": "fake"}
vm_rec, self.vm_ref = self.create_vm('test')
# sanity check bootlock is initially disabled:
self.assertEqual({}, vm_rec['blocked_operations'])
def _get_blocked(self):
vm_rec = self._session.call_xenapi("VM.get_record", self.vm_ref)
return vm_rec['blocked_operations']
def test_acquire_bootlock(self):
self.vmops._acquire_bootlock(self.vm_ref)
blocked = self._get_blocked()
self.assertIn('start', blocked)
def test_release_bootlock(self):
self.vmops._acquire_bootlock(self.vm_ref)
self.vmops._release_bootlock(self.vm_ref)
blocked = self._get_blocked()
self.assertNotIn('start', blocked)
def test_set_bootable(self):
self.vmops.set_bootable(self.instance, True)
blocked = self._get_blocked()
self.assertNotIn('start', blocked)
def test_set_not_bootable(self):
self.vmops.set_bootable(self.instance, False)
blocked = self._get_blocked()
self.assertIn('start', blocked)
@mock.patch.object(vm_utils, 'update_vdi_virtual_size', autospec=True)
class ResizeVdisTestCase(VMOpsTestBase):
def test_dont_resize_root_volumes_osvol_false(self, mock_resize):
instance = fake_instance.fake_instance_obj(
None, flavor=objects.Flavor(root_gb=20))
vdis = {'root': {'osvol': False, 'ref': 'vdi_ref'}}
self.vmops._resize_up_vdis(instance, vdis)
self.assertTrue(mock_resize.called)
def test_dont_resize_root_volumes_osvol_true(self, mock_resize):
instance = fake_instance.fake_instance_obj(
None, flavor=objects.Flavor(root_gb=20))
vdis = {'root': {'osvol': True}}
self.vmops._resize_up_vdis(instance, vdis)
self.assertFalse(mock_resize.called)
def test_dont_resize_root_volumes_no_osvol(self, mock_resize):
instance = fake_instance.fake_instance_obj(
None, flavor=objects.Flavor(root_gb=20))
vdis = {'root': {}}
self.vmops._resize_up_vdis(instance, vdis)
self.assertFalse(mock_resize.called)
@mock.patch.object(vm_utils, 'get_ephemeral_disk_sizes')
def test_ensure_ephemeral_resize_with_root_volume(self, mock_sizes,
mock_resize):
mock_sizes.return_value = [2000, 1000]
instance = fake_instance.fake_instance_obj(
None, flavor=objects.Flavor(root_gb=20, ephemeral_gb=20))
ephemerals = {"4": {"ref": 4}, "5": {"ref": 5}}
vdis = {'root': {'osvol': True, 'ref': 'vdi_ref'},
'ephemerals': ephemerals}
with mock.patch.object(vm_utils, 'generate_single_ephemeral',
autospec=True) as g:
self.vmops._resize_up_vdis(instance, vdis)
self.assertEqual([mock.call(self.vmops._session, instance, 4,
2000),
mock.call(self.vmops._session, instance, 5,
1000)],
mock_resize.call_args_list)
self.assertFalse(g.called)
def test_resize_up_vdis_root(self, mock_resize):
instance = objects.Instance(flavor=objects.Flavor(root_gb=20,
ephemeral_gb=0))
self.vmops._resize_up_vdis(instance, {"root": {"ref": "vdi_ref"}})
mock_resize.assert_called_once_with(self.vmops._session, instance,
"vdi_ref", 20)
def test_resize_up_vdis_zero_disks(self, mock_resize):
instance = objects.Instance(flavor=objects.Flavor(root_gb=0,
ephemeral_gb=0))
self.vmops._resize_up_vdis(instance, {"root": {}})
self.assertFalse(mock_resize.called)
def test_resize_up_vdis_no_vdis_like_initial_spawn(self, mock_resize):
instance = objects.Instance(flavor=objects.Flavor(root_gb=0,
ephemeral_gb=3000))
vdis = {}
self.vmops._resize_up_vdis(instance, vdis)
self.assertFalse(mock_resize.called)
@mock.patch.object(vm_utils, 'get_ephemeral_disk_sizes')
def test_resize_up_vdis_ephemeral(self, mock_sizes, mock_resize):
mock_sizes.return_value = [2000, 1000]
instance = objects.Instance(flavor=objects.Flavor(root_gb=0,
ephemeral_gb=3000))
ephemerals = {"4": {"ref": 4}, "5": {"ref": 5}}
vdis = {"ephemerals": ephemerals}
self.vmops._resize_up_vdis(instance, vdis)
mock_sizes.assert_called_once_with(3000)
expected = [mock.call(self.vmops._session, instance, 4, 2000),
mock.call(self.vmops._session, instance, 5, 1000)]
self.assertEqual(expected, mock_resize.call_args_list)
@mock.patch.object(vm_utils, 'generate_single_ephemeral')
@mock.patch.object(vm_utils, 'get_ephemeral_disk_sizes')
def test_resize_up_vdis_ephemeral_with_generate(self, mock_sizes,
mock_generate,
mock_resize):
mock_sizes.return_value = [2000, 1000]
instance = objects.Instance(uuid=uuids.instance,
flavor=objects.Flavor(root_gb=0,
ephemeral_gb=3000))
ephemerals = {"4": {"ref": 4}}
vdis = {"ephemerals": ephemerals}
self.vmops._resize_up_vdis(instance, vdis)
mock_sizes.assert_called_once_with(3000)
mock_resize.assert_called_once_with(self.vmops._session, instance,
4, 2000)
mock_generate.assert_called_once_with(self.vmops._session, instance,
None, 5, 1000)
@mock.patch.object(vm_utils, 'remove_old_snapshots')
class CleanupFailedSnapshotTestCase(VMOpsTestBase):
def test_post_interrupted_snapshot_cleanup(self, mock_remove):
self.vmops._get_vm_opaque_ref = mock.Mock()
self.vmops._get_vm_opaque_ref.return_value = "vm_ref"
self.vmops.post_interrupted_snapshot_cleanup("context", "instance")
mock_remove.assert_called_once_with(self.vmops._session,
"instance", "vm_ref")
class XenstoreCallsTestCase(VMOpsTestBase):
"""Test cases for Read/Write/Delete/Update xenstore calls
from vmops.
"""
@mock.patch.object(vmops.VMOps, '_make_plugin_call')
def test_read_from_xenstore(self, fake_xapi_call):
fake_xapi_call.return_value = "fake_xapi_return"
fake_instance = {"name": "fake_instance"}
path = "attr/PVAddons/MajorVersion"
self.assertEqual("fake_xapi_return",
self.vmops._read_from_xenstore(fake_instance, path,
vm_ref="vm_ref"))
@mock.patch.object(vmops.VMOps, '_make_plugin_call')
def test_read_from_xenstore_ignore_missing_path(self, fake_xapi_call):
fake_instance = {"name": "fake_instance"}
path = "attr/PVAddons/MajorVersion"
self.vmops._read_from_xenstore(fake_instance, path, vm_ref="vm_ref")
fake_xapi_call.assert_called_once_with('xenstore.py', 'read_record',
fake_instance, vm_ref="vm_ref",
path=path,
ignore_missing_path='True')
@mock.patch.object(vmops.VMOps, '_make_plugin_call')
def test_read_from_xenstore_missing_path(self, fake_xapi_call):
fake_instance = {"name": "fake_instance"}
path = "attr/PVAddons/MajorVersion"
self.vmops._read_from_xenstore(fake_instance, path, vm_ref="vm_ref",
ignore_missing_path=False)
fake_xapi_call.assert_called_once_with('xenstore.py', 'read_record',
fake_instance, vm_ref="vm_ref",
path=path,
ignore_missing_path='False')
class LiveMigrateTestCase(VMOpsTestBase):
@mock.patch.object(vmops.VMOps, '_get_network_ref')
@mock.patch.object(vmops.VMOps, '_ensure_host_in_aggregate')
def _test_check_can_live_migrate_destination_shared_storage(
self,
shared,
mock_ensure_host,
mock_net_ref):
fake_instance = {"name": "fake_instance", "host": "fake_host"}
block_migration = None
disk_over_commit = False
ctxt = 'ctxt'
mock_net_ref.return_value = 'fake_net_ref'
with mock.patch.object(self._session, 'get_rec') as fake_sr_rec:
fake_sr_rec.return_value = {'shared': shared}
migrate_data_ret = self.vmops.check_can_live_migrate_destination(
ctxt, fake_instance, block_migration, disk_over_commit)
if shared:
self.assertFalse(migrate_data_ret.block_migration)
else:
self.assertTrue(migrate_data_ret.block_migration)
self.assertEqual({'': 'fake_net_ref'},
migrate_data_ret.vif_uuid_map)
def test_check_can_live_migrate_destination_shared_storage(self):
self._test_check_can_live_migrate_destination_shared_storage(True)
def test_check_can_live_migrate_destination_shared_storage_false(self):
self._test_check_can_live_migrate_destination_shared_storage(False)
@mock.patch.object(vmops.VMOps, '_get_network_ref')
@mock.patch.object(vmops.VMOps, '_ensure_host_in_aggregate',
side_effect=exception.MigrationPreCheckError(reason=""))
def test_check_can_live_migrate_destination_block_migration(
self,
mock_ensure_host,
mock_net_ref):
fake_instance = {"name": "fake_instance", "host": "fake_host"}
block_migration = None
disk_over_commit = False
ctxt = 'ctxt'
mock_net_ref.return_value = 'fake_net_ref'
migrate_data_ret = self.vmops.check_can_live_migrate_destination(
ctxt, fake_instance, block_migration, disk_over_commit)
self.assertTrue(migrate_data_ret.block_migration)
self.assertEqual(vm_utils.safe_find_sr(self._session),
migrate_data_ret.destination_sr_ref)
self.assertEqual({'value': 'fake_migrate_data'},
migrate_data_ret.migrate_send_data)
self.assertEqual({'': 'fake_net_ref'},
migrate_data_ret.vif_uuid_map)
@mock.patch.object(vmops.objects.AggregateList, 'get_by_host')
def test_get_host_uuid_from_aggregate_no_aggr(self, mock_get_by_host):
mock_get_by_host.return_value = objects.AggregateList(objects=[])
context = "ctx"
hostname = "other_host"
self.assertRaises(exception.MigrationPreCheckError,
self.vmops._get_host_uuid_from_aggregate,
context, hostname)
@mock.patch.object(vmops.objects.AggregateList, 'get_by_host')
def test_get_host_uuid_from_aggregate_bad_aggr(self, mock_get_by_host):
context = "ctx"
hostname = "other_host"
fake_aggregate_obj = objects.Aggregate(hosts=['fake'],
metadata={'this': 'that'})
fake_aggr_list = objects.AggregateList(objects=[fake_aggregate_obj])
mock_get_by_host.return_value = fake_aggr_list
self.assertRaises(exception.MigrationPreCheckError,
self.vmops._get_host_uuid_from_aggregate,
context, hostname)
@mock.patch.object(vmops.VMOps, 'create_interim_networks')
@mock.patch.object(vmops.VMOps, 'connect_block_device_volumes')
def test_pre_live_migration(self, mock_connect, mock_create):
migrate_data = objects.XenapiLiveMigrateData()
migrate_data.block_migration = True
sr_uuid_map = {"sr_uuid": "sr_ref"}
vif_uuid_map = {"neutron_vif_uuid": "dest_network_ref"}
mock_connect.return_value = {"sr_uuid": "sr_ref"}
mock_create.return_value = {"neutron_vif_uuid": "dest_network_ref"}
result = self.vmops.pre_live_migration(
None, None, "bdi", "fake_network_info", None, migrate_data)
self.assertTrue(result.block_migration)
self.assertEqual(result.sr_uuid_map, sr_uuid_map)
self.assertEqual(result.vif_uuid_map, vif_uuid_map)
mock_connect.assert_called_once_with("bdi")
mock_create.assert_called_once_with("fake_network_info")
@mock.patch.object(vmops.VMOps, '_delete_networks_and_bridges')
def test_post_live_migration_at_source(self, mock_delete):
self.vmops.post_live_migration_at_source('fake_context',
'fake_instance',
'fake_network_info')
mock_delete.assert_called_once_with('fake_instance',
'fake_network_info')
class LiveMigrateFakeVersionTestCase(VMOpsTestBase):
@mock.patch.object(vmops.VMOps, '_pv_device_reported')
@mock.patch.object(vmops.VMOps, '_pv_driver_version_reported')
@mock.patch.object(vmops.VMOps, '_write_fake_pv_version')
def test_ensure_pv_driver_info_for_live_migration(
self,
mock_write_fake_pv_version,
mock_pv_driver_version_reported,
mock_pv_device_reported):
mock_pv_device_reported.return_value = True
mock_pv_driver_version_reported.return_value = False
fake_instance = {"name": "fake_instance"}
self.vmops._ensure_pv_driver_info_for_live_migration(fake_instance,
"vm_rec")
mock_write_fake_pv_version.assert_called_once_with(fake_instance,
"vm_rec")
@mock.patch.object(vmops.VMOps, '_read_from_xenstore')
def test_pv_driver_version_reported_None(self, fake_read_from_xenstore):
fake_read_from_xenstore.return_value = '"None"'
fake_instance = {"name": "fake_instance"}
self.assertFalse(self.vmops._pv_driver_version_reported(fake_instance,
"vm_ref"))
@mock.patch.object(vmops.VMOps, '_read_from_xenstore')
def test_pv_driver_version_reported(self, fake_read_from_xenstore):
fake_read_from_xenstore.return_value = '6.2.0'
fake_instance = {"name": "fake_instance"}
self.assertTrue(self.vmops._pv_driver_version_reported(fake_instance,
"vm_ref"))
@mock.patch.object(vmops.VMOps, '_read_from_xenstore')
def test_pv_device_reported(self, fake_read_from_xenstore):
with mock.patch.object(self._session.VM, 'get_record') as fake_vm_rec:
fake_vm_rec.return_value = {'VIFs': 'fake-vif-object'}
with mock.patch.object(self._session, 'call_xenapi') as fake_call:
fake_call.return_value = {'device': '0'}
fake_read_from_xenstore.return_value = '4'
fake_instance = {"name": "fake_instance"}
self.assertTrue(self.vmops._pv_device_reported(fake_instance,
"vm_ref"))
@mock.patch.object(vmops.VMOps, '_read_from_xenstore')
def test_pv_device_not_reported(self, fake_read_from_xenstore):
with mock.patch.object(self._session.VM, 'get_record') as fake_vm_rec:
fake_vm_rec.return_value = {'VIFs': 'fake-vif-object'}
with mock.patch.object(self._session, 'call_xenapi') as fake_call:
fake_call.return_value = {'device': '0'}
fake_read_from_xenstore.return_value = '0'
fake_instance = {"name": "fake_instance"}
self.assertFalse(self.vmops._pv_device_reported(fake_instance,
"vm_ref"))
@mock.patch.object(vmops.VMOps, '_read_from_xenstore')
def test_pv_device_None_reported(self, fake_read_from_xenstore):
with mock.patch.object(self._session.VM, 'get_record') as fake_vm_rec:
fake_vm_rec.return_value = {'VIFs': 'fake-vif-object'}
with mock.patch.object(self._session, 'call_xenapi') as fake_call:
fake_call.return_value = {'device': '0'}
fake_read_from_xenstore.return_value = '"None"'
fake_instance = {"name": "fake_instance"}
self.assertFalse(self.vmops._pv_device_reported(fake_instance,
"vm_ref"))
@mock.patch.object(vmops.VMOps, '_write_to_xenstore')
def test_write_fake_pv_version(self, fake_write_to_xenstore):
fake_write_to_xenstore.return_value = 'fake_return'
fake_instance = {"name": "fake_instance"}
with mock.patch.object(self._session, 'product_version') as version:
version.return_value = ('6', '2', '0')
self.assertIsNone(self.vmops._write_fake_pv_version(fake_instance,
"vm_ref"))
class LiveMigrateHelperTestCase(VMOpsTestBase):
def test_connect_block_device_volumes_none(self):
self.assertEqual({}, self.vmops.connect_block_device_volumes(None))
@mock.patch.object(volumeops.VolumeOps, "connect_volume")
def test_connect_block_device_volumes_calls_connect(self, mock_connect):
with mock.patch.object(self.vmops._session,
"call_xenapi") as mock_session:
mock_connect.return_value = ("sr_uuid", None)
mock_session.return_value = "sr_ref"
bdm = {"connection_info": "c_info"}
bdi = {"block_device_mapping": [bdm]}
result = self.vmops.connect_block_device_volumes(bdi)
self.assertEqual({'sr_uuid': 'sr_ref'}, result)
mock_connect.assert_called_once_with("c_info")
mock_session.assert_called_once_with("SR.get_by_uuid",
"sr_uuid")
@mock.patch.object(volumeops.VolumeOps, "connect_volume")
@mock.patch.object(volume_utils, 'forget_sr')
def test_connect_block_device_volumes_calls_forget_sr(self, mock_forget,
mock_connect):
bdms = [{'connection_info': 'info1'},
{'connection_info': 'info2'}]
def fake_connect(connection_info):
expected = bdms[mock_connect.call_count - 1]['connection_info']
self.assertEqual(expected, connection_info)
if mock_connect.call_count == 2:
raise exception.VolumeDriverNotFound(driver_type='123')
return ('sr_uuid_1', None)
def fake_call_xenapi(method, uuid):
self.assertEqual('sr_uuid_1', uuid)
return 'sr_ref_1'
mock_connect.side_effect = fake_connect
with mock.patch.object(self.vmops._session, "call_xenapi",
side_effect=fake_call_xenapi):
self.assertRaises(exception.VolumeDriverNotFound,
self.vmops.connect_block_device_volumes,
{'block_device_mapping': bdms})
mock_forget.assert_called_once_with(self.vmops._session,
'sr_ref_1')
def _call_live_migrate_command_with_migrate_send_data(self, migrate_data):
command_name = 'test_command'
vm_ref = "vm_ref"
def side_effect(method, *args):
if method == "SR.get_by_uuid":
return "sr_ref_new"
xmlrpclib.dumps(args, method, allow_none=1)
with mock.patch.object(self.vmops,
"_generate_vdi_map") as mock_gen_vdi_map, \
mock.patch.object(self.vmops._session,
'call_xenapi') as mock_call_xenapi, \
mock.patch.object(self.vmops,
"_generate_vif_network_map") as mock_vif_map:
mock_call_xenapi.side_effect = side_effect
mock_gen_vdi_map.side_effect = [
{"vdi": "sr_ref"}, {"vdi": "sr_ref_2"}]
mock_vif_map.return_value = {"vif_ref1": "dest_net_ref"}
self.vmops._call_live_migrate_command(command_name,
vm_ref, migrate_data)
expect_vif_map = {}
if 'vif_uuid_map' in migrate_data:
expect_vif_map.update({"vif_ref1": "dest_net_ref"})
expected_vdi_map = {'vdi': 'sr_ref'}
if 'sr_uuid_map' in migrate_data:
expected_vdi_map = {'vdi': 'sr_ref_2'}
self.assertEqual(mock_call_xenapi.call_args_list[-1],
mock.call(command_name, vm_ref,
migrate_data.migrate_send_data, True,
expected_vdi_map, expect_vif_map, {}))
self.assertEqual(mock_gen_vdi_map.call_args_list[0],
mock.call(migrate_data.destination_sr_ref, vm_ref))
if 'sr_uuid_map' in migrate_data:
self.assertEqual(mock_gen_vdi_map.call_args_list[1],
mock.call(migrate_data.sr_uuid_map["sr_uuid2"], vm_ref,
"sr_ref_new"))
def test_call_live_migrate_command_with_full_data(self):
migrate_data = objects.XenapiLiveMigrateData()
migrate_data.migrate_send_data = {"foo": "bar"}
migrate_data.destination_sr_ref = "sr_ref"
migrate_data.sr_uuid_map = {"sr_uuid2": "sr_ref_3"}
migrate_data.vif_uuid_map = {"vif_id": "dest_net_ref"}
self._call_live_migrate_command_with_migrate_send_data(migrate_data)
def test_call_live_migrate_command_with_no_sr_uuid_map(self):
migrate_data = objects.XenapiLiveMigrateData()
migrate_data.migrate_send_data = {"foo": "baz"}
migrate_data.destination_sr_ref = "sr_ref"
self._call_live_migrate_command_with_migrate_send_data(migrate_data)
def test_call_live_migrate_command_with_no_migrate_send_data(self):
migrate_data = objects.XenapiLiveMigrateData()
self.assertRaises(exception.InvalidParameterValue,
self._call_live_migrate_command_with_migrate_send_data,
migrate_data)
def test_generate_vif_network_map(self):
with mock.patch.object(self._session.VIF,
'get_other_config') as mock_other_config, \
mock.patch.object(self._session.VM,
'get_VIFs') as mock_get_vif:
mock_other_config.side_effect = [{'nicira-iface-id': 'vif_id_a'},
{'nicira-iface-id': 'vif_id_b'}]
mock_get_vif.return_value = ['vif_ref1', 'vif_ref2']
vif_uuid_map = {'vif_id_b': 'dest_net_ref2',
'vif_id_a': 'dest_net_ref1'}
vif_map = self.vmops._generate_vif_network_map('vm_ref',
vif_uuid_map)
expected = {'vif_ref1': 'dest_net_ref1',
'vif_ref2': 'dest_net_ref2'}
self.assertEqual(vif_map, expected)
def test_generate_vif_network_map_default_net(self):
with mock.patch.object(self._session.VIF,
'get_other_config') as mock_other_config, \
mock.patch.object(self._session.VM,
'get_VIFs') as mock_get_vif:
mock_other_config.side_effect = [{'nicira-iface-id': 'vif_id_a'},
{'nicira-iface-id': 'vif_id_b'}]
mock_get_vif.return_value = ['vif_ref1']
vif_uuid_map = {'': 'default_net_ref'}
vif_map = self.vmops._generate_vif_network_map('vm_ref',
vif_uuid_map)
expected = {'vif_ref1': 'default_net_ref'}
self.assertEqual(vif_map, expected)
def test_generate_vif_network_map_exception(self):
with mock.patch.object(self._session.VIF,
'get_other_config') as mock_other_config, \
mock.patch.object(self._session.VM,
'get_VIFs') as mock_get_vif:
mock_other_config.side_effect = [{'nicira-iface-id': 'vif_id_a'},
{'nicira-iface-id': 'vif_id_b'}]
mock_get_vif.return_value = ['vif_ref1', 'vif_ref2']
vif_uuid_map = {'vif_id_c': 'dest_net_ref2',
'vif_id_d': 'dest_net_ref1'}
self.assertRaises(exception.MigrationError,
self.vmops._generate_vif_network_map,
'vm_ref', vif_uuid_map)
def test_generate_vif_network_map_exception_no_iface(self):
with mock.patch.object(self._session.VIF,
'get_other_config') as mock_other_config, \
mock.patch.object(self._session.VM,
'get_VIFs') as mock_get_vif:
mock_other_config.return_value = {}
mock_get_vif.return_value = ['vif_ref1']
vif_uuid_map = {}
self.assertRaises(exception.MigrationError,
self.vmops._generate_vif_network_map,
'vm_ref', vif_uuid_map)
def test_delete_networks_and_bridges(self):
self.vmops.vif_driver = mock.Mock()
network_info = ['fake_vif']
self.vmops._delete_networks_and_bridges('fake_instance', network_info)
self.vmops.vif_driver.delete_network_and_bridge.\
assert_called_once_with('fake_instance', 'fake_vif')
def test_create_interim_networks(self):
class FakeVifDriver(object):
def create_vif_interim_network(self, vif):
if vif['id'] == "vif_1":
return "network_ref_1"
if vif['id'] == "vif_2":
return "network_ref_2"
network_info = [{'id': "vif_1"}, {'id': 'vif_2'}]
self.vmops.vif_driver = FakeVifDriver()
vif_map = self.vmops.create_interim_networks(network_info)
self.assertEqual(vif_map, {'vif_1': 'network_ref_1',
'vif_2': 'network_ref_2'})
class RollbackLiveMigrateDestinationTestCase(VMOpsTestBase):
@mock.patch.object(vmops.VMOps, '_delete_networks_and_bridges')
@mock.patch.object(volume_utils, 'find_sr_by_uuid', return_value='sr_ref')
@mock.patch.object(volume_utils, 'forget_sr')
def test_rollback_dest_calls_sr_forget(self, forget_sr, sr_ref,
delete_networks_bridges):
block_device_info = {'block_device_mapping': [{'connection_info':
{'data': {'volume_id': 'fake-uuid',
'target_iqn': 'fake-iqn',
'target_portal': 'fake-portal'}}}]}
network_info = [{'id': 'vif1'}]
self.vmops.rollback_live_migration_at_destination('instance',
network_info,
block_device_info)
forget_sr.assert_called_once_with(self.vmops._session, 'sr_ref')
delete_networks_bridges.assert_called_once_with(
'instance', [{'id': 'vif1'}])
@mock.patch.object(vmops.VMOps, '_delete_networks_and_bridges')
@mock.patch.object(volume_utils, 'forget_sr')
@mock.patch.object(volume_utils, 'find_sr_by_uuid',
side_effect=test.TestingException)
def test_rollback_dest_handles_exception(self, find_sr_ref, forget_sr,
delete_networks_bridges):
block_device_info = {'block_device_mapping': [{'connection_info':
{'data': {'volume_id': 'fake-uuid',
'target_iqn': 'fake-iqn',
'target_portal': 'fake-portal'}}}]}
network_info = [{'id': 'vif1'}]
self.vmops.rollback_live_migration_at_destination('instance',
network_info,
block_device_info)
self.assertFalse(forget_sr.called)
delete_networks_bridges.assert_called_once_with(
'instance', [{'id': 'vif1'}])
@mock.patch.object(vmops.VMOps, '_resize_ensure_vm_is_shutdown')
@mock.patch.object(vmops.VMOps, '_apply_orig_vm_name_label')
@mock.patch.object(vmops.VMOps, '_update_instance_progress')
@mock.patch.object(vm_utils, 'get_vdi_for_vm_safely')
@mock.patch.object(vm_utils, 'resize_disk')
@mock.patch.object(vm_utils, 'migrate_vhd')
@mock.patch.object(vm_utils, 'destroy_vdi')
class MigrateDiskResizingDownTestCase(VMOpsTestBase):
def test_migrate_disk_resizing_down_works_no_ephemeral(
self,
mock_destroy_vdi,
mock_migrate_vhd,
mock_resize_disk,
mock_get_vdi_for_vm_safely,
mock_update_instance_progress,
mock_apply_orig_vm_name_label,
mock_resize_ensure_vm_is_shutdown):
context = "ctx"
instance = {"name": "fake", "uuid": "uuid"}
dest = "dest"
vm_ref = "vm_ref"
sr_path = "sr_path"
instance_type = dict(root_gb=1)
old_vdi_ref = "old_ref"
new_vdi_ref = "new_ref"
new_vdi_uuid = "new_uuid"
mock_get_vdi_for_vm_safely.return_value = (old_vdi_ref, None)
mock_resize_disk.return_value = (new_vdi_ref, new_vdi_uuid)
self.vmops._migrate_disk_resizing_down(context, instance, dest,
instance_type, vm_ref, sr_path)
mock_get_vdi_for_vm_safely.assert_called_once_with(
self.vmops._session,
vm_ref)
mock_resize_ensure_vm_is_shutdown.assert_called_once_with(
instance, vm_ref)
mock_apply_orig_vm_name_label.assert_called_once_with(
instance, vm_ref)
mock_resize_disk.assert_called_once_with(
self.vmops._session,
instance,
old_vdi_ref,
instance_type)
mock_migrate_vhd.assert_called_once_with(
self.vmops._session,
instance,
new_vdi_uuid,
dest,
sr_path, 0)
mock_destroy_vdi.assert_called_once_with(
self.vmops._session,
new_vdi_ref)
prog_expected = [
mock.call(context, instance, 1, 5),
mock.call(context, instance, 2, 5),
mock.call(context, instance, 3, 5),
mock.call(context, instance, 4, 5)
# 5/5: step to be executed by finish migration.
]
self.assertEqual(prog_expected,
mock_update_instance_progress.call_args_list)
class GetVdisForInstanceTestCase(VMOpsTestBase):
"""Tests get_vdis_for_instance utility method."""
def setUp(self):
super(GetVdisForInstanceTestCase, self).setUp()
self.context = context.get_admin_context()
self.context.auth_token = 'auth_token'
self.session = mock.Mock()
self.vmops._session = self.session
self.instance = fake_instance.fake_instance_obj(self.context)
self.name_label = 'name'
self.image = 'fake_image_id'
@mock.patch.object(volumeops.VolumeOps, "connect_volume",
return_value=("sr", "vdi_uuid"))
def test_vdis_for_instance_bdi_password_scrubbed(self, get_uuid_mock):
# setup fake data
data = {'name_label': self.name_label,
'sr_uuid': 'fake',
'auth_password': 'scrubme'}
bdm = [{'mount_device': '/dev/vda',
'connection_info': {'data': data}}]
bdi = {'root_device_name': 'vda',
'block_device_mapping': bdm}
# Tests that the parameters to the to_xml method are sanitized for
# passwords when logged.
def fake_debug(*args, **kwargs):
if 'auth_password' in args[0]:
self.assertNotIn('scrubme', args[0])
fake_debug.matched = True
fake_debug.matched = False
with mock.patch.object(vmops.LOG, 'debug',
side_effect=fake_debug) as debug_mock:
vdis = self.vmops._get_vdis_for_instance(self.context,
self.instance, self.name_label, self.image,
image_type=4, block_device_info=bdi)
self.assertEqual(1, len(vdis))
get_uuid_mock.assert_called_once_with({"data": data})
# we don't care what the log message is, we just want to make sure
# our stub method is called which asserts the password is scrubbed
self.assertTrue(debug_mock.called)
self.assertTrue(fake_debug.matched)
class AttachInterfaceTestCase(VMOpsTestBase):
"""Test VIF hot plug/unplug"""
def setUp(self):
super(AttachInterfaceTestCase, self).setUp()
self.vmops.vif_driver = mock.Mock()
self.fake_vif = {'id': '12345'}
self.fake_instance = mock.Mock()
self.fake_instance.uuid = '6478'
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
def test_attach_interface(self, mock_get_vm_opaque_ref):
mock_get_vm_opaque_ref.return_value = 'fake_vm_ref'
with mock.patch.object(self._session.VM, 'get_allowed_VIF_devices')\
as fake_devices:
fake_devices.return_value = [2, 3, 4]
self.vmops.attach_interface(self.fake_instance, self.fake_vif)
fake_devices.assert_called_once_with('fake_vm_ref')
mock_get_vm_opaque_ref.assert_called_once_with(self.fake_instance)
self.vmops.vif_driver.plug.assert_called_once_with(
self.fake_instance, self.fake_vif, vm_ref='fake_vm_ref',
device=2)
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
def test_attach_interface_no_devices(self, mock_get_vm_opaque_ref):
mock_get_vm_opaque_ref.return_value = 'fake_vm_ref'
with mock.patch.object(self._session.VM, 'get_allowed_VIF_devices')\
as fake_devices:
fake_devices.return_value = []
self.assertRaises(exception.InterfaceAttachFailed,
self.vmops.attach_interface,
self.fake_instance, self.fake_vif)
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
def test_attach_interface_plug_failed(self, mock_get_vm_opaque_ref):
mock_get_vm_opaque_ref.return_value = 'fake_vm_ref'
with mock.patch.object(self._session.VM, 'get_allowed_VIF_devices')\
as fake_devices:
fake_devices.return_value = [2, 3, 4]
self.vmops.vif_driver.plug.side_effect =\
exception.VirtualInterfacePlugException('Failed to plug VIF')
self.assertRaises(exception.VirtualInterfacePlugException,
self.vmops.attach_interface,
self.fake_instance, self.fake_vif)
self.vmops.vif_driver.plug.assert_called_once_with(
self.fake_instance, self.fake_vif, vm_ref='fake_vm_ref',
device=2)
self.vmops.vif_driver.unplug.assert_called_once_with(
self.fake_instance, self.fake_vif, 'fake_vm_ref')
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
def test_attach_interface_reraise_exception(self, mock_get_vm_opaque_ref):
mock_get_vm_opaque_ref.return_value = 'fake_vm_ref'
with mock.patch.object(self._session.VM, 'get_allowed_VIF_devices')\
as fake_devices:
fake_devices.return_value = [2, 3, 4]
self.vmops.vif_driver.plug.side_effect =\
exception.VirtualInterfacePlugException('Failed to plug VIF')
self.vmops.vif_driver.unplug.side_effect =\
exception.VirtualInterfaceUnplugException(
'Failed to unplug VIF')
ex = self.assertRaises(exception.VirtualInterfacePlugException,
self.vmops.attach_interface,
self.fake_instance, self.fake_vif)
self.assertEqual('Failed to plug VIF', six.text_type(ex))
self.vmops.vif_driver.plug.assert_called_once_with(
self.fake_instance, self.fake_vif, vm_ref='fake_vm_ref',
device=2)
self.vmops.vif_driver.unplug.assert_called_once_with(
self.fake_instance, self.fake_vif, 'fake_vm_ref')
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
def test_detach_interface(self, mock_get_vm_opaque_ref):
mock_get_vm_opaque_ref.return_value = 'fake_vm_ref'
self.vmops.detach_interface(self.fake_instance, self.fake_vif)
mock_get_vm_opaque_ref.assert_called_once_with(self.fake_instance)
self.vmops.vif_driver.unplug.assert_called_once_with(
self.fake_instance, self.fake_vif, 'fake_vm_ref')
@mock.patch.object(vmops.VMOps, '_get_vm_opaque_ref')
def test_detach_interface_exception(self, mock_get_vm_opaque_ref):
mock_get_vm_opaque_ref.return_value = 'fake_vm_ref'
self.vmops.vif_driver.unplug.side_effect =\
exception.VirtualInterfaceUnplugException('Failed to unplug VIF')
self.assertRaises(exception.VirtualInterfaceUnplugException,
self.vmops.detach_interface,
self.fake_instance, self.fake_vif)