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nova
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nova/nova/tests/compute/test_compute_api.py

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#
# 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 compute API."""
import contextlib
import copy
import datetime
import iso8601
import mock
import mox
from nova.compute import api as compute_api
from nova.compute import cells_api as compute_cells_api
from nova.compute import flavors
from nova.compute import instance_actions
from nova.compute import task_states
from nova.compute import utils as compute_utils
from nova.compute import vm_mode
from nova.compute import vm_states
from nova import context
from nova import db
from nova import exception
from nova import objects
from nova.objects import base as obj_base
from nova.objects import quotas as quotas_obj
from nova.openstack.common import timeutils
from nova.openstack.common import uuidutils
from nova import quota
from nova import test
from nova.tests import fake_block_device
from nova.tests import fake_instance
from nova.tests.image import fake as fake_image
from nova.tests import matchers
from nova.tests.objects import test_flavor
from nova.tests.objects import test_migration
from nova.tests.objects import test_service
from nova.volume import cinder
FAKE_IMAGE_REF = 'fake-image-ref'
NODENAME = 'fakenode1'
SHELVED_IMAGE = 'fake-shelved-image'
SHELVED_IMAGE_NOT_FOUND = 'fake-shelved-image-notfound'
SHELVED_IMAGE_NOT_AUTHORIZED = 'fake-shelved-image-not-authorized'
SHELVED_IMAGE_EXCEPTION = 'fake-shelved-image-exception'
class _ComputeAPIUnitTestMixIn(object):
def setUp(self):
super(_ComputeAPIUnitTestMixIn, self).setUp()
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id,
self.project_id)
def _create_flavor(self, params=None):
flavor = {'id': 1,
'flavorid': 1,
'name': 'm1.tiny',
'memory_mb': 512,
'vcpus': 1,
'vcpu_weight': None,
'root_gb': 1,
'ephemeral_gb': 0,
'rxtx_factor': 1,
'swap': 0,
'deleted': 0,
'disabled': False,
'is_public': True,
}
if params:
flavor.update(params)
return flavor
def _create_instance_obj(self, params=None, flavor=None):
"""Create a test instance."""
if not params:
params = {}
if flavor is None:
flavor = self._create_flavor()
def make_fake_sys_meta():
sys_meta = params.pop("system_metadata", {})
for key in flavors.system_metadata_flavor_props:
sys_meta['instance_type_%s' % key] = flavor[key]
return sys_meta
now = timeutils.utcnow()
instance = objects.Instance()
instance.metadata = {}
instance.metadata.update(params.pop('metadata', {}))
instance.system_metadata = make_fake_sys_meta()
instance.system_metadata.update(params.pop('system_metadata', {}))
instance._context = self.context
instance.id = 1
instance.uuid = uuidutils.generate_uuid()
instance.cell_name = 'api!child'
instance.vm_state = vm_states.ACTIVE
instance.task_state = None
instance.image_ref = FAKE_IMAGE_REF
instance.reservation_id = 'r-fakeres'
instance.user_id = self.user_id
instance.project_id = self.project_id
instance.host = 'fake_host'
instance.node = NODENAME
instance.instance_type_id = flavor['id']
instance.ami_launch_index = 0
instance.memory_mb = 0
instance.vcpus = 0
instance.root_gb = 0
instance.ephemeral_gb = 0
instance.architecture = 'x86_64'
instance.os_type = 'Linux'
instance.locked = False
instance.created_at = now
instance.updated_at = now
instance.launched_at = now
instance.disable_terminate = False
instance.info_cache = objects.InstanceInfoCache()
if params:
instance.update(params)
instance.obj_reset_changes()
return instance
def test_create_quota_exceeded_messages(self):
image_href = "image_href"
image_id = 0
instance_type = self._create_flavor()
self.mox.StubOutWithMock(self.compute_api, "_get_image")
self.mox.StubOutWithMock(quota.QUOTAS, "limit_check")
self.mox.StubOutWithMock(quota.QUOTAS, "reserve")
quotas = {'instances': 1, 'cores': 1, 'ram': 1}
usages = dict((r, {'in_use': 1, 'reserved': 1}) for r in
['instances', 'cores', 'ram'])
headroom = dict((res, quotas[res] -
(usages[res]['in_use'] + usages[res]['reserved']))
for res in quotas.keys())
quota_exception = exception.OverQuota(quotas=quotas,
usages=usages, overs=['instances'], headroom=headroom)
for _unused in range(2):
self.compute_api._get_image(self.context, image_href).AndReturn(
(image_id, {}))
quota.QUOTAS.limit_check(self.context, metadata_items=mox.IsA(int))
quota.QUOTAS.reserve(self.context, instances=40,
cores=mox.IsA(int),
ram=mox.IsA(int)).AndRaise(quota_exception)
self.mox.ReplayAll()
for min_count, message in [(20, '20-40'), (40, '40')]:
try:
self.compute_api.create(self.context, instance_type,
"image_href", min_count=min_count,
max_count=40)
except exception.TooManyInstances as e:
self.assertEqual(message, e.kwargs['req'])
else:
self.fail("Exception not raised")
def _test_specified_ip_and_multiple_instances_helper(self,
requested_networks):
# Tests that if ip is specified there is only one instance booting
# (i.e max_count == 1)
min_count = 1
max_count = 2
self.assertRaises(exception.InvalidFixedIpAndMaxCountRequest,
self.compute_api.create, self.context, "fake_flavor", 'image_id',
min_count=min_count, max_count=max_count,
requested_networks=requested_networks)
def test_specified_ip_and_multiple_instances(self):
network = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
address = '10.0.0.1'
requested_networks = [(network, address)]
self._test_specified_ip_and_multiple_instances_helper(
requested_networks)
def test_specified_ip_and_multiple_instances_neutronv2(self):
self.flags(network_api_class='nova.network.neutronv2.api.API')
network = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
address = '10.0.0.1'
requested_networks = [(network, address, None)]
self._test_specified_ip_and_multiple_instances_helper(
requested_networks)
def test_suspend(self):
# Ensure instance can be suspended.
instance = self._create_instance_obj()
self.assertEqual(instance.vm_state, vm_states.ACTIVE)
self.assertIsNone(instance.task_state)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'suspend_instance')
instance.save(expected_task_state=[None])
self.compute_api._record_action_start(self.context,
instance, instance_actions.SUSPEND)
rpcapi.suspend_instance(self.context, instance)
self.mox.ReplayAll()
self.compute_api.suspend(self.context, instance)
self.assertEqual(vm_states.ACTIVE, instance.vm_state)
self.assertEqual(task_states.SUSPENDING,
instance.task_state)
def test_resume(self):
# Ensure instance can be resumed (if suspended).
instance = self._create_instance_obj(
params=dict(vm_state=vm_states.SUSPENDED))
self.assertEqual(instance.vm_state, vm_states.SUSPENDED)
self.assertIsNone(instance.task_state)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'resume_instance')
instance.save(expected_task_state=[None])
self.compute_api._record_action_start(self.context,
instance, instance_actions.RESUME)
rpcapi.resume_instance(self.context, instance)
self.mox.ReplayAll()
self.compute_api.resume(self.context, instance)
self.assertEqual(vm_states.SUSPENDED, instance.vm_state)
self.assertEqual(task_states.RESUMING,
instance.task_state)
def test_start(self):
params = dict(vm_state=vm_states.STOPPED)
instance = self._create_instance_obj(params=params)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
instance.save(expected_task_state=[None])
self.compute_api._record_action_start(self.context,
instance, instance_actions.START)
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'start_instance')
rpcapi.start_instance(self.context, instance)
self.mox.ReplayAll()
self.compute_api.start(self.context, instance)
self.assertEqual(task_states.POWERING_ON,
instance.task_state)
def test_start_invalid_state(self):
instance = self._create_instance_obj()
self.assertEqual(instance.vm_state, vm_states.ACTIVE)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.start,
self.context, instance)
def test_start_no_host(self):
params = dict(vm_state=vm_states.STOPPED, host='')
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceNotReady,
self.compute_api.start,
self.context, instance)
def _test_stop(self, vm_state, force=False):
# Make sure 'progress' gets reset
params = dict(task_state=None, progress=99, vm_state=vm_state)
instance = self._create_instance_obj(params=params)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
instance.save(expected_task_state=[None])
self.compute_api._record_action_start(self.context,
instance, instance_actions.STOP)
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'stop_instance')
rpcapi.stop_instance(self.context, instance, do_cast=True)
self.mox.ReplayAll()
if force:
self.compute_api.force_stop(self.context, instance)
else:
self.compute_api.stop(self.context, instance)
self.assertEqual(task_states.POWERING_OFF,
instance.task_state)
self.assertEqual(0, instance.progress)
def test_stop(self):
self._test_stop(vm_states.ACTIVE)
def test_stop_stopped_instance_with_bypass(self):
self._test_stop(vm_states.STOPPED, force=True)
def test_stop_invalid_state(self):
params = dict(vm_state=vm_states.PAUSED)
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.stop,
self.context, instance)
def test_stop_a_stopped_inst(self):
params = {'vm_state': vm_states.STOPPED}
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.stop,
self.context, instance)
def test_stop_no_host(self):
params = {'host': ''}
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceNotReady,
self.compute_api.stop,
self.context, instance)
def _test_reboot_type(self, vm_state, reboot_type, task_state=None):
# Ensure instance can be soft rebooted.
inst = self._create_instance_obj()
inst.vm_state = vm_state
inst.task_state = task_state
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api, 'update')
self.mox.StubOutWithMock(inst, 'save')
inst.save(expected_task_state=[None, task_states.REBOOTING])
self.compute_api._record_action_start(self.context, inst,
instance_actions.REBOOT)
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'reboot_instance')
rpcapi.reboot_instance(self.context, instance=inst,
block_device_info=None,
reboot_type=reboot_type)
self.mox.ReplayAll()
self.compute_api.reboot(self.context, inst, reboot_type)
def _test_reboot_type_fails(self, reboot_type, **updates):
inst = self._create_instance_obj()
inst.update(updates)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.reboot,
self.context, inst, reboot_type)
def test_reboot_hard_active(self):
self._test_reboot_type(vm_states.ACTIVE, 'HARD')
def test_reboot_hard_error(self):
self._test_reboot_type(vm_states.ERROR, 'HARD')
def test_reboot_hard_rebooting(self):
self._test_reboot_type(vm_states.ACTIVE, 'HARD',
task_state=task_states.REBOOTING)
def test_reboot_hard_rescued(self):
self._test_reboot_type_fails('HARD', vm_state=vm_states.RESCUED)
def test_reboot_hard_error_not_launched(self):
self._test_reboot_type_fails('HARD', vm_state=vm_states.ERROR,
launched_at=None)
def test_reboot_soft(self):
self._test_reboot_type(vm_states.ACTIVE, 'SOFT')
def test_reboot_soft_error(self):
self._test_reboot_type_fails('SOFT', vm_state=vm_states.ERROR)
def test_reboot_soft_paused(self):
self._test_reboot_type_fails('SOFT', vm_state=vm_states.PAUSED)
def test_reboot_soft_stopped(self):
self._test_reboot_type_fails('SOFT', vm_state=vm_states.STOPPED)
def test_reboot_soft_suspended(self):
self._test_reboot_type_fails('SOFT', vm_state=vm_states.SUSPENDED)
def test_reboot_soft_rebooting(self):
self._test_reboot_type_fails('SOFT', task_state=task_states.REBOOTING)
def test_reboot_soft_rebooting_hard(self):
self._test_reboot_type_fails('SOFT',
task_state=task_states.REBOOTING_HARD)
def test_reboot_soft_rescued(self):
self._test_reboot_type_fails('SOFT', vm_state=vm_states.RESCUED)
def test_reboot_soft_error_not_launched(self):
self._test_reboot_type_fails('SOFT', vm_state=vm_states.ERROR,
launched_at=None)
def _test_delete_resizing_part(self, inst, deltas):
fake_db_migration = test_migration.fake_db_migration()
migration = objects.Migration._from_db_object(
self.context, objects.Migration(),
fake_db_migration)
inst.instance_type_id = migration.new_instance_type_id
old_flavor = {'vcpus': 1,
'memory_mb': 512}
deltas['cores'] = -old_flavor['vcpus']
deltas['ram'] = -old_flavor['memory_mb']
self.mox.StubOutWithMock(objects.Migration,
'get_by_instance_and_status')
self.mox.StubOutWithMock(flavors, 'get_flavor')
self.context.elevated().AndReturn(self.context)
objects.Migration.get_by_instance_and_status(
self.context, inst.uuid, 'post-migrating').AndReturn(migration)
flavors.get_flavor(migration.old_instance_type_id).AndReturn(
old_flavor)
def _test_delete_resized_part(self, inst):
migration = objects.Migration._from_db_object(
self.context, objects.Migration(),
test_migration.fake_db_migration())
self.mox.StubOutWithMock(objects.Migration,
'get_by_instance_and_status')
self.context.elevated().AndReturn(self.context)
objects.Migration.get_by_instance_and_status(
self.context, inst.uuid, 'finished').AndReturn(migration)
self.compute_api._downsize_quota_delta(self.context, inst
).AndReturn('deltas')
fake_quotas = objects.Quotas.from_reservations(self.context,
['rsvs'])
self.compute_api._reserve_quota_delta(self.context, 'deltas', inst,
).AndReturn(fake_quotas)
self.compute_api._record_action_start(
self.context, inst, instance_actions.CONFIRM_RESIZE)
self.compute_api.compute_rpcapi.confirm_resize(
self.context, inst, migration,
migration['source_compute'], fake_quotas.reservations, cast=False)
def _test_delete_shelved_part(self, inst):
image_api = self.compute_api.image_api
self.mox.StubOutWithMock(image_api, 'delete')
snapshot_id = inst.system_metadata.get('shelved_image_id')
if snapshot_id == SHELVED_IMAGE:
image_api.delete(self.context, snapshot_id).AndReturn(True)
elif snapshot_id == SHELVED_IMAGE_NOT_FOUND:
image_api.delete(self.context, snapshot_id).AndRaise(
exception.ImageNotFound(image_id=snapshot_id))
elif snapshot_id == SHELVED_IMAGE_NOT_AUTHORIZED:
image_api.delete(self.context, snapshot_id).AndRaise(
exception.ImageNotAuthorized(image_id=snapshot_id))
elif snapshot_id == SHELVED_IMAGE_EXCEPTION:
image_api.delete(self.context, snapshot_id).AndRaise(
test.TestingException("Unexpected error"))
def _test_downed_host_part(self, inst, updates, delete_time, delete_type):
inst.info_cache.delete()
compute_utils.notify_about_instance_usage(
self.compute_api.notifier, self.context, inst,
'%s.start' % delete_type)
self.context.elevated().AndReturn(self.context)
self.compute_api.network_api.deallocate_for_instance(
self.context, inst)
state = ('soft' in delete_type and vm_states.SOFT_DELETED or
vm_states.DELETED)
updates.update({'vm_state': state,
'task_state': None,
'terminated_at': delete_time})
inst.save()
updates.update({'deleted_at': delete_time,
'deleted': True})
fake_inst = fake_instance.fake_db_instance(**updates)
db.instance_destroy(self.context, inst.uuid,
constraint=None).AndReturn(fake_inst)
compute_utils.notify_about_instance_usage(
self.compute_api.notifier,
self.context, inst, '%s.end' % delete_type,
system_metadata=inst.system_metadata)
def _test_delete(self, delete_type, **attrs):
reservations = 'fake-resv'
inst = self._create_instance_obj()
inst.update(attrs)
inst._context = self.context
deltas = {'instances': -1,
'cores': -inst.vcpus,
'ram': -inst.memory_mb}
delete_time = datetime.datetime(1955, 11, 5, 9, 30,
tzinfo=iso8601.iso8601.Utc())
timeutils.set_time_override(delete_time)
task_state = (delete_type == 'soft_delete' and
task_states.SOFT_DELETING or task_states.DELETING)
updates = {'progress': 0, 'task_state': task_state}
if delete_type == 'soft_delete':
updates['deleted_at'] = delete_time
self.mox.StubOutWithMock(inst, 'save')
self.mox.StubOutWithMock(objects.BlockDeviceMappingList,
'get_by_instance_uuid')
self.mox.StubOutWithMock(quota.QUOTAS, 'reserve')
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(db, 'service_get_by_compute_host')
self.mox.StubOutWithMock(self.compute_api.servicegroup_api,
'service_is_up')
self.mox.StubOutWithMock(self.compute_api, '_downsize_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(db, 'instance_update_and_get_original')
self.mox.StubOutWithMock(inst.info_cache, 'delete')
self.mox.StubOutWithMock(self.compute_api.network_api,
'deallocate_for_instance')
self.mox.StubOutWithMock(db, 'instance_system_metadata_get')
self.mox.StubOutWithMock(db, 'instance_destroy')
self.mox.StubOutWithMock(compute_utils,
'notify_about_instance_usage')
self.mox.StubOutWithMock(quota.QUOTAS, 'commit')
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'confirm_resize')
if (inst.vm_state in
(vm_states.SHELVED, vm_states.SHELVED_OFFLOADED)):
self._test_delete_shelved_part(inst)
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
self.mox.StubOutWithMock(rpcapi, 'terminate_instance')
self.mox.StubOutWithMock(rpcapi, 'soft_delete_instance')
objects.BlockDeviceMappingList.get_by_instance_uuid(
self.context, inst.uuid).AndReturn([])
inst.save()
if inst.task_state == task_states.RESIZE_FINISH:
self._test_delete_resizing_part(inst, deltas)
quota.QUOTAS.reserve(self.context, project_id=inst.project_id,
user_id=inst.user_id,
**deltas).AndReturn(reservations)
# NOTE(comstud): This is getting messy. But what we are wanting
# to test is:
# If cells is enabled and we're the API cell:
# * Cast to cells_rpcapi.<method> with reservations=None
# * Commit reservations
# Otherwise:
# * Check for downed host
# * If downed host:
# * Clean up instance, destroying it, sending notifications.
# (Tested in _test_downed_host_part())
# * Commit reservations
# * If not downed host:
# * Record the action start.
# * Cast to compute_rpcapi.<method> with the reservations
cast = True
commit_quotas = True
if self.cell_type != 'api':
if inst.vm_state == vm_states.RESIZED:
self._test_delete_resized_part(inst)
self.context.elevated().AndReturn(self.context)
db.service_get_by_compute_host(
self.context, inst.host).AndReturn(
test_service.fake_service)
self.compute_api.servicegroup_api.service_is_up(
mox.IsA(objects.Service)).AndReturn(
inst.host != 'down-host')
if inst.host == 'down-host':
self._test_downed_host_part(inst, updates, delete_time,
delete_type)
cast = False
else:
# Happens on the manager side
commit_quotas = False
if cast:
if self.cell_type != 'api':
self.compute_api._record_action_start(self.context, inst,
instance_actions.DELETE)
if commit_quotas:
cast_reservations = None
else:
cast_reservations = reservations
if delete_type == 'soft_delete':
rpcapi.soft_delete_instance(self.context, inst,
reservations=cast_reservations)
elif delete_type in ['delete', 'force_delete']:
rpcapi.terminate_instance(self.context, inst, [],
reservations=cast_reservations)
if commit_quotas:
# Local delete or when we're testing API cell.
quota.QUOTAS.commit(self.context, reservations,
project_id=inst.project_id,
user_id=inst.user_id)
self.mox.ReplayAll()
getattr(self.compute_api, delete_type)(self.context, inst)
for k, v in updates.items():
self.assertEqual(inst[k], v)
def test_delete(self):
self._test_delete('delete')
def test_delete_if_not_launched(self):
self._test_delete('delete', launched_at=None)
def test_delete_in_resizing(self):
self._test_delete('delete', task_state=task_states.RESIZE_FINISH)
def test_delete_in_resized(self):
self._test_delete('delete', vm_state=vm_states.RESIZED)
def test_delete_shelved(self):
fake_sys_meta = {'shelved_image_id': SHELVED_IMAGE}
self._test_delete('delete',
vm_state=vm_states.SHELVED,
system_metadata=fake_sys_meta)
def test_delete_shelved_offloaded(self):
fake_sys_meta = {'shelved_image_id': SHELVED_IMAGE}
self._test_delete('delete',
vm_state=vm_states.SHELVED_OFFLOADED,
system_metadata=fake_sys_meta)
def test_delete_shelved_image_not_found(self):
fake_sys_meta = {'shelved_image_id': SHELVED_IMAGE_NOT_FOUND}
self._test_delete('delete',
vm_state=vm_states.SHELVED_OFFLOADED,
system_metadata=fake_sys_meta)
def test_delete_shelved_image_not_authorized(self):
fake_sys_meta = {'shelved_image_id': SHELVED_IMAGE_NOT_AUTHORIZED}
self._test_delete('delete',
vm_state=vm_states.SHELVED_OFFLOADED,
system_metadata=fake_sys_meta)
def test_delete_shelved_exception(self):
fake_sys_meta = {'shelved_image_id': SHELVED_IMAGE_EXCEPTION}
self._test_delete('delete',
vm_state=vm_states.SHELVED,
system_metadata=fake_sys_meta)
def test_delete_with_down_host(self):
self._test_delete('delete', host='down-host')
def test_delete_soft_with_down_host(self):
self._test_delete('soft_delete', host='down-host')
def test_delete_soft(self):
self._test_delete('soft_delete')
def test_delete_forced(self):
self._test_delete('force_delete', vm_state=vm_states.SOFT_DELETED)
def test_delete_fast_if_host_not_set(self):
inst = self._create_instance_obj()
inst.host = ''
updates = {'progress': 0, 'task_state': task_states.DELETING}
self.mox.StubOutWithMock(inst, 'save')
self.mox.StubOutWithMock(db,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(db, 'constraint')
self.mox.StubOutWithMock(db, 'instance_destroy')
self.mox.StubOutWithMock(self.compute_api, '_create_reservations')
self.mox.StubOutWithMock(compute_utils,
'notify_about_instance_usage')
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'terminate_instance')
db.block_device_mapping_get_all_by_instance(self.context,
inst.uuid,
use_slave=False).AndReturn([])
inst.save()
self.compute_api._create_reservations(self.context,
inst, inst.task_state,
inst.project_id, inst.user_id
).AndReturn(None)
if self.cell_type == 'api':
rpcapi.terminate_instance(
self.context, inst,
mox.IsA(objects.BlockDeviceMappingList),
reservations=None)
else:
compute_utils.notify_about_instance_usage(
self.compute_api.notifier, self.context,
inst, 'delete.start')
db.constraint(host=mox.IgnoreArg()).AndReturn('constraint')
delete_time = datetime.datetime(1955, 11, 5, 9, 30,
tzinfo=iso8601.iso8601.Utc())
updates['deleted_at'] = delete_time
updates['deleted'] = True
fake_inst = fake_instance.fake_db_instance(**updates)
db.instance_destroy(self.context, inst.uuid,
constraint='constraint').AndReturn(fake_inst)
compute_utils.notify_about_instance_usage(
self.compute_api.notifier, self.context,
inst, 'delete.end',
system_metadata=inst.system_metadata)
self.mox.ReplayAll()
self.compute_api.delete(self.context, inst)
for k, v in updates.items():
self.assertEqual(inst[k], v)
def test_local_delete_with_deleted_volume(self):
bdms = [objects.BlockDeviceMapping(
**fake_block_device.FakeDbBlockDeviceDict(
{'id': 42, 'volume_id': 'volume_id',
'source_type': 'volume', 'destination_type': 'volume',
'delete_on_termination': False}))]
def _fake_do_delete(context, instance, bdms,
rservations=None, local=False):
pass
inst = self._create_instance_obj()
inst._context = self.context
self.mox.StubOutWithMock(inst, 'destroy')
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(inst.info_cache, 'delete')
self.mox.StubOutWithMock(self.compute_api.network_api,
'deallocate_for_instance')
self.mox.StubOutWithMock(db, 'instance_system_metadata_get')
self.mox.StubOutWithMock(compute_utils,
'notify_about_instance_usage')
self.mox.StubOutWithMock(self.compute_api.volume_api,
'terminate_connection')
self.mox.StubOutWithMock(objects.BlockDeviceMapping, 'destroy')
inst.info_cache.delete()
compute_utils.notify_about_instance_usage(
self.compute_api.notifier, self.context,
inst, 'delete.start')
self.context.elevated().MultipleTimes().AndReturn(self.context)
if self.cell_type != 'api':
self.compute_api.network_api.deallocate_for_instance(
self.context, inst)
self.compute_api.volume_api.terminate_connection(
mox.IgnoreArg(), mox.IgnoreArg(), mox.IgnoreArg()).\
AndRaise(exception. VolumeNotFound('volume_id'))
bdms[0].destroy(self.context)
inst.destroy()
compute_utils.notify_about_instance_usage(
self.compute_api.notifier, self.context,
inst, 'delete.end',
system_metadata=inst.system_metadata)
self.mox.ReplayAll()
self.compute_api._local_delete(self.context, inst, bdms,
'delete',
_fake_do_delete)
def test_delete_disabled(self):
inst = self._create_instance_obj()
inst.disable_terminate = True
self.mox.StubOutWithMock(db, 'instance_update_and_get_original')
self.mox.ReplayAll()
self.compute_api.delete(self.context, inst)
def test_delete_soft_rollback(self):
inst = self._create_instance_obj()
self.mox.StubOutWithMock(db,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(inst, 'save')
delete_time = datetime.datetime(1955, 11, 5)
timeutils.set_time_override(delete_time)
db.block_device_mapping_get_all_by_instance(
self.context, inst.uuid, use_slave=False).AndReturn([])
inst.save().AndRaise(test.TestingException)
self.mox.ReplayAll()
self.assertRaises(test.TestingException,
self.compute_api.soft_delete, self.context, inst)
def _test_confirm_resize(self, mig_ref_passed=False):
params = dict(vm_state=vm_states.RESIZED)
fake_inst = self._create_instance_obj(params=params)
fake_mig = objects.Migration._from_db_object(
self.context, objects.Migration(),
test_migration.fake_db_migration())
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(objects.Migration,
'get_by_instance_and_status')
self.mox.StubOutWithMock(self.compute_api, '_downsize_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(fake_mig, 'save')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api.compute_rpcapi,
'confirm_resize')
self.context.elevated().AndReturn(self.context)
if not mig_ref_passed:
objects.Migration.get_by_instance_and_status(
self.context, fake_inst['uuid'], 'finished').AndReturn(
fake_mig)
self.compute_api._downsize_quota_delta(self.context,
fake_inst).AndReturn('deltas')
resvs = ['resvs']
fake_quotas = objects.Quotas.from_reservations(self.context, resvs)
self.compute_api._reserve_quota_delta(self.context, 'deltas',
fake_inst).AndReturn(fake_quotas)
def _check_mig(expected_task_state=None):
self.assertEqual('confirming', fake_mig.status)
fake_mig.save().WithSideEffects(_check_mig)
if self.cell_type:
fake_quotas.commit(self.context)
self.compute_api._record_action_start(self.context, fake_inst,
'confirmResize')
self.compute_api.compute_rpcapi.confirm_resize(
self.context, fake_inst, fake_mig, 'compute-source',
[] if self.cell_type else fake_quotas.reservations)
self.mox.ReplayAll()
if mig_ref_passed:
self.compute_api.confirm_resize(self.context, fake_inst,
migration=fake_mig)
else:
self.compute_api.confirm_resize(self.context, fake_inst)
def test_confirm_resize(self):
self._test_confirm_resize()
def test_confirm_resize_with_migration_ref(self):
self._test_confirm_resize(mig_ref_passed=True)
def _test_revert_resize(self):
params = dict(vm_state=vm_states.RESIZED)
fake_inst = self._create_instance_obj(params=params)
fake_mig = objects.Migration._from_db_object(
self.context, objects.Migration(),
test_migration.fake_db_migration())
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(objects.Migration,
'get_by_instance_and_status')
self.mox.StubOutWithMock(self.compute_api,
'_reverse_upsize_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(fake_inst, 'save')
self.mox.StubOutWithMock(fake_mig, 'save')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api.compute_rpcapi,
'revert_resize')
self.context.elevated().AndReturn(self.context)
objects.Migration.get_by_instance_and_status(
self.context, fake_inst['uuid'], 'finished').AndReturn(
fake_mig)
self.compute_api._reverse_upsize_quota_delta(
self.context, fake_mig).AndReturn('deltas')
resvs = ['resvs']
fake_quotas = objects.Quotas.from_reservations(self.context, resvs)
self.compute_api._reserve_quota_delta(self.context, 'deltas',
fake_inst).AndReturn(fake_quotas)
def _check_state(expected_task_state=None):
self.assertEqual(task_states.RESIZE_REVERTING,
fake_inst.task_state)
fake_inst.save(expected_task_state=[None]).WithSideEffects(
_check_state)
def _check_mig(expected_task_state=None):
self.assertEqual('reverting', fake_mig.status)
fake_mig.save().WithSideEffects(_check_mig)
if self.cell_type:
fake_quotas.commit(self.context)
self.compute_api._record_action_start(self.context, fake_inst,
'revertResize')
self.compute_api.compute_rpcapi.revert_resize(
self.context, fake_inst, fake_mig, 'compute-dest',
[] if self.cell_type else fake_quotas.reservations)
self.mox.ReplayAll()
self.compute_api.revert_resize(self.context, fake_inst)
def test_revert_resize(self):
self._test_revert_resize()
def test_revert_resize_concurent_fail(self):
params = dict(vm_state=vm_states.RESIZED)
fake_inst = self._create_instance_obj(params=params)
fake_mig = objects.Migration._from_db_object(
self.context, objects.Migration(),
test_migration.fake_db_migration())
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(objects.Migration,
'get_by_instance_and_status')
self.mox.StubOutWithMock(self.compute_api,
'_reverse_upsize_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(fake_inst, 'save')
self.context.elevated().AndReturn(self.context)
objects.Migration.get_by_instance_and_status(
self.context, fake_inst['uuid'], 'finished').AndReturn(fake_mig)
delta = ['delta']
self.compute_api._reverse_upsize_quota_delta(
self.context, fake_mig).AndReturn(delta)
resvs = ['resvs']
fake_quotas = objects.Quotas.from_reservations(self.context, resvs)
self.compute_api._reserve_quota_delta(
self.context, delta, fake_inst).AndReturn(fake_quotas)
exc = exception.UnexpectedTaskStateError(
actual=task_states.RESIZE_REVERTING, expected=None)
fake_inst.save(expected_task_state=[None]).AndRaise(exc)
fake_quotas.rollback(self.context)
self.mox.ReplayAll()
self.assertRaises(exception.UnexpectedTaskStateError,
self.compute_api.revert_resize,
self.context,
fake_inst)
def _test_resize(self, flavor_id_passed=True,
same_host=False, allow_same_host=False,
allow_mig_same_host=False,
project_id=None,
extra_kwargs=None,
same_flavor=False):
if extra_kwargs is None:
extra_kwargs = {}
self.flags(allow_resize_to_same_host=allow_same_host,
allow_migrate_to_same_host=allow_mig_same_host)
params = {}
if project_id is not None:
# To test instance w/ different project id than context (admin)
params['project_id'] = project_id
fake_inst = self._create_instance_obj(params=params)
self.mox.StubOutWithMock(flavors, 'get_flavor_by_flavor_id')
self.mox.StubOutWithMock(self.compute_api, '_upsize_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(fake_inst, 'save')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api.compute_task_api,
'resize_instance')
current_flavor = flavors.extract_flavor(fake_inst)
if flavor_id_passed:
new_flavor = dict(id=200, flavorid='new-flavor-id',
name='new_flavor', disabled=False)
if same_flavor:
cur_flavor = flavors.extract_flavor(fake_inst)
new_flavor['id'] = cur_flavor['id']
flavors.get_flavor_by_flavor_id(
'new-flavor-id',
read_deleted='no').AndReturn(new_flavor)
else:
new_flavor = current_flavor
if (self.cell_type == 'compute' or
not (flavor_id_passed and same_flavor)):
resvs = ['resvs']
project_id, user_id = quotas_obj.ids_from_instance(self.context,
fake_inst)
fake_quotas = objects.Quotas.from_reservations(self.context,
resvs)
self.compute_api._upsize_quota_delta(
self.context, new_flavor,
current_flavor).AndReturn('deltas')
self.compute_api._reserve_quota_delta(self.context, 'deltas',
fake_inst).AndReturn(fake_quotas)
def _check_state(expected_task_state=None):
self.assertEqual(task_states.RESIZE_PREP,
fake_inst.task_state)
self.assertEqual(fake_inst.progress, 0)
for key, value in extra_kwargs.items():
self.assertEqual(value, getattr(fake_inst, key))
fake_inst.save(expected_task_state=[None]).WithSideEffects(
_check_state)
if allow_same_host:
filter_properties = {'ignore_hosts': []}
else:
filter_properties = {'ignore_hosts': [fake_inst['host']]}
if not flavor_id_passed and not allow_mig_same_host:
filter_properties['ignore_hosts'].append(fake_inst['host'])
expected_reservations = fake_quotas.reservations
if self.cell_type == 'api':
fake_quotas.commit(self.context)
expected_reservations = []
mig = objects.Migration()
def _get_migration():
return mig
def _check_mig(ctxt):
self.assertEqual(fake_inst.uuid, mig.instance_uuid)
self.assertEqual(current_flavor['id'],
mig.old_instance_type_id)
self.assertEqual(new_flavor['id'],
mig.new_instance_type_id)
self.assertEqual('finished', mig.status)
self.stubs.Set(objects, 'Migration', _get_migration)
self.mox.StubOutWithMock(self.context, 'elevated')
self.mox.StubOutWithMock(mig, 'create')
self.context.elevated().AndReturn(self.context)
mig.create(self.context).WithSideEffects(_check_mig)
if flavor_id_passed:
self.compute_api._record_action_start(self.context, fake_inst,
'resize')
else:
self.compute_api._record_action_start(self.context, fake_inst,
'migrate')
scheduler_hint = {'filter_properties': filter_properties}
self.compute_api.compute_task_api.resize_instance(
self.context, fake_inst, extra_kwargs,
scheduler_hint=scheduler_hint,
flavor=new_flavor, reservations=expected_reservations)
self.mox.ReplayAll()
if flavor_id_passed:
self.compute_api.resize(self.context, fake_inst,
flavor_id='new-flavor-id',
**extra_kwargs)
else:
self.compute_api.resize(self.context, fake_inst, **extra_kwargs)
def _test_migrate(self, *args, **kwargs):
self._test_resize(*args, flavor_id_passed=False, **kwargs)
def test_resize(self):
self._test_resize()
def test_resize_with_kwargs(self):
self._test_resize(extra_kwargs=dict(cow='moo'))
def test_resize_same_host_and_allowed(self):
self._test_resize(same_host=True, allow_same_host=True)
def test_resize_same_host_and_not_allowed(self):
self._test_resize(same_host=True, allow_same_host=False)
def test_resize_different_project_id(self):
self._test_resize(project_id='different')
def test_migrate(self):
self._test_migrate()
def test_migrate_with_kwargs(self):
self._test_migrate(extra_kwargs=dict(cow='moo'))
def test_migrate_same_host_and_allowed(self):
self._test_migrate(same_host=True, allow_same_host=True)
def test_migrate_same_host_and_not_allowed(self):
self._test_migrate(same_host=True, allow_same_host=False)
def test_migrate_different_project_id(self):
self._test_migrate(project_id='different')
def test_resize_invalid_flavor_fails(self):
self.mox.StubOutWithMock(flavors, 'get_flavor_by_flavor_id')
# Should never reach these.
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(self.compute_api, 'update')
self.mox.StubOutWithMock(quota.QUOTAS, 'commit')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api.compute_task_api,
'resize_instance')
fake_inst = obj_base.obj_to_primitive(self._create_instance_obj())
exc = exception.FlavorNotFound(flavor_id='flavor-id')
flavors.get_flavor_by_flavor_id('flavor-id',
read_deleted='no').AndRaise(exc)
self.mox.ReplayAll()
self.assertRaises(exception.FlavorNotFound,
self.compute_api.resize, self.context,
fake_inst, flavor_id='flavor-id')
def test_resize_disabled_flavor_fails(self):
self.mox.StubOutWithMock(flavors, 'get_flavor_by_flavor_id')
# Should never reach these.
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
self.mox.StubOutWithMock(self.compute_api, 'update')
self.mox.StubOutWithMock(quota.QUOTAS, 'commit')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api.compute_task_api,
'resize_instance')
fake_inst = obj_base.obj_to_primitive(self._create_instance_obj())
fake_flavor = dict(id=200, flavorid='flavor-id', name='foo',
disabled=True)
flavors.get_flavor_by_flavor_id(
'flavor-id', read_deleted='no').AndReturn(fake_flavor)
self.mox.ReplayAll()
self.assertRaises(exception.FlavorNotFound,
self.compute_api.resize, self.context,
fake_inst, flavor_id='flavor-id')
@mock.patch.object(flavors, 'get_flavor_by_flavor_id')
def test_resize_to_zero_disk_flavor_fails(self, get_flavor_by_flavor_id):
fake_inst = self._create_instance_obj()
fake_flavor = dict(id=200, flavorid='flavor-id', name='foo',
root_gb=0)
get_flavor_by_flavor_id.return_value = fake_flavor
self.assertRaises(exception.CannotResizeDisk,
self.compute_api.resize, self.context,
fake_inst, flavor_id='flavor-id')
def test_resize_quota_exceeds_fails(self):
self.mox.StubOutWithMock(flavors, 'get_flavor_by_flavor_id')
self.mox.StubOutWithMock(self.compute_api, '_upsize_quota_delta')
self.mox.StubOutWithMock(self.compute_api, '_reserve_quota_delta')
# Should never reach these.
self.mox.StubOutWithMock(self.compute_api, 'update')
self.mox.StubOutWithMock(quota.QUOTAS, 'commit')
self.mox.StubOutWithMock(self.compute_api, '_record_action_start')
self.mox.StubOutWithMock(self.compute_api.compute_task_api,
'resize_instance')
fake_inst = obj_base.obj_to_primitive(self._create_instance_obj())
current_flavor = flavors.extract_flavor(fake_inst)
fake_flavor = dict(id=200, flavorid='flavor-id', name='foo',
disabled=False)
flavors.get_flavor_by_flavor_id(
'flavor-id', read_deleted='no').AndReturn(fake_flavor)
deltas = dict(resource=0)
self.compute_api._upsize_quota_delta(
self.context, fake_flavor,
current_flavor).AndReturn(deltas)
usage = dict(in_use=0, reserved=0)
quotas = {'resource': 0}
usages = {'resource': usage}
overs = ['resource']
headroom = {'resource': quotas['resource'] -
(usages['resource']['in_use'] + usages['resource']['reserved'])}
over_quota_args = dict(quotas=quotas,
usages=usages,
overs=overs,
headroom=headroom)
self.compute_api._reserve_quota_delta(self.context, deltas,
fake_inst).AndRaise(
exception.OverQuota(**over_quota_args))
self.mox.ReplayAll()
self.assertRaises(exception.TooManyInstances,
self.compute_api.resize, self.context,
fake_inst, flavor_id='flavor-id')
def test_pause(self):
# Ensure instance can be paused.
instance = self._create_instance_obj()
self.assertEqual(instance.vm_state, vm_states.ACTIVE)
self.assertIsNone(instance.task_state)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'pause_instance')
instance.save(expected_task_state=[None])
self.compute_api._record_action_start(self.context,
instance, instance_actions.PAUSE)
rpcapi.pause_instance(self.context, instance)
self.mox.ReplayAll()
self.compute_api.pause(self.context, instance)
self.assertEqual(vm_states.ACTIVE, instance.vm_state)
self.assertEqual(task_states.PAUSING,
instance.task_state)
def test_unpause(self):
# Ensure instance can be unpaused.
params = dict(vm_state=vm_states.PAUSED)
instance = self._create_instance_obj(params=params)
self.assertEqual(instance.vm_state, vm_states.PAUSED)
self.assertIsNone(instance.task_state)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
if self.cell_type == 'api':
rpcapi = self.compute_api.cells_rpcapi
else:
rpcapi = self.compute_api.compute_rpcapi
self.mox.StubOutWithMock(rpcapi, 'unpause_instance')
instance.save(expected_task_state=[None])
self.compute_api._record_action_start(self.context,
instance, instance_actions.UNPAUSE)
rpcapi.unpause_instance(self.context, instance)
self.mox.ReplayAll()
self.compute_api.unpause(self.context, instance)
self.assertEqual(vm_states.PAUSED, instance.vm_state)
self.assertEqual(task_states.UNPAUSING, instance.task_state)
def test_swap_volume_volume_api_usage(self):
# This test ensures that volume_id arguments are passed to volume_api
# and that volumes return to previous states in case of error.
def fake_vol_api_begin_detaching(context, volume_id):
self.assertTrue(uuidutils.is_uuid_like(volume_id))
volumes[volume_id]['status'] = 'detaching'
def fake_vol_api_roll_detaching(context, volume_id):
self.assertTrue(uuidutils.is_uuid_like(volume_id))
if volumes[volume_id]['status'] == 'detaching':
volumes[volume_id]['status'] = 'in-use'
def fake_vol_api_reserve(context, volume_id):
self.assertTrue(uuidutils.is_uuid_like(volume_id))
self.assertEqual(volumes[volume_id]['status'], 'available')
volumes[volume_id]['status'] = 'attaching'
def fake_vol_api_unreserve(context, volume_id):
self.assertTrue(uuidutils.is_uuid_like(volume_id))
if volumes[volume_id]['status'] == 'attaching':
volumes[volume_id]['status'] = 'available'
def fake_swap_volume_exc(context, instance, old_volume_id,
new_volume_id):
raise AttributeError # Random exception
# Should fail if VM state is not valid
instance = {'vm_state': vm_states.BUILDING,
'launched_at': timeutils.utcnow(),
'locked': False,
'availability_zone': 'fake_az',
'uuid': 'fake'}
volumes = {}
old_volume_id = uuidutils.generate_uuid()
volumes[old_volume_id] = {'id': old_volume_id,
'display_name': 'old_volume',
'attach_status': 'attached',
'instance_uuid': 'fake',
'size': 5,
'status': 'in-use'}
new_volume_id = uuidutils.generate_uuid()
volumes[new_volume_id] = {'id': new_volume_id,
'display_name': 'new_volume',
'attach_status': 'detached',
'instance_uuid': None,
'size': 5,
'status': 'available'}
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.swap_volume, self.context, instance,
volumes[old_volume_id], volumes[new_volume_id])
instance['vm_state'] = vm_states.ACTIVE
instance['task_state'] = None
# Should fail if old volume is not attached
volumes[old_volume_id]['attach_status'] = 'detached'
self.assertRaises(exception.VolumeUnattached,
self.compute_api.swap_volume, self.context, instance,
volumes[old_volume_id], volumes[new_volume_id])
self.assertEqual(volumes[old_volume_id]['status'], 'in-use')
self.assertEqual(volumes[new_volume_id]['status'], 'available')
volumes[old_volume_id]['attach_status'] = 'attached'
# Should fail if old volume's instance_uuid is not that of the instance
volumes[old_volume_id]['instance_uuid'] = 'fake2'
self.assertRaises(exception.InvalidVolume,
self.compute_api.swap_volume, self.context, instance,
volumes[old_volume_id], volumes[new_volume_id])
self.assertEqual(volumes[old_volume_id]['status'], 'in-use')
self.assertEqual(volumes[new_volume_id]['status'], 'available')
volumes[old_volume_id]['instance_uuid'] = 'fake'
# Should fail if new volume is attached
volumes[new_volume_id]['attach_status'] = 'attached'
self.assertRaises(exception.InvalidVolume,
self.compute_api.swap_volume, self.context, instance,
volumes[old_volume_id], volumes[new_volume_id])
self.assertEqual(volumes[old_volume_id]['status'], 'in-use')
self.assertEqual(volumes[new_volume_id]['status'], 'available')
volumes[new_volume_id]['attach_status'] = 'detached'
# Should fail if new volume is smaller than the old volume
volumes[new_volume_id]['size'] = 4
self.assertRaises(exception.InvalidVolume,
self.compute_api.swap_volume, self.context, instance,
volumes[old_volume_id], volumes[new_volume_id])
self.assertEqual(volumes[old_volume_id]['status'], 'in-use')
self.assertEqual(volumes[new_volume_id]['status'], 'available')
volumes[new_volume_id]['size'] = 5
# Fail call to swap_volume
self.stubs.Set(self.compute_api.volume_api, 'begin_detaching',
fake_vol_api_begin_detaching)
self.stubs.Set(self.compute_api.volume_api, 'roll_detaching',
fake_vol_api_roll_detaching)
self.stubs.Set(self.compute_api.volume_api, 'reserve_volume',
fake_vol_api_reserve)
self.stubs.Set(self.compute_api.volume_api, 'unreserve_volume',
fake_vol_api_unreserve)
self.stubs.Set(self.compute_api.compute_rpcapi, 'swap_volume',
fake_swap_volume_exc)
self.assertRaises(AttributeError,
self.compute_api.swap_volume, self.context, instance,
volumes[old_volume_id], volumes[new_volume_id])
self.assertEqual(volumes[old_volume_id]['status'], 'in-use')
self.assertEqual(volumes[new_volume_id]['status'], 'available')
# Should succeed
self.stubs.Set(self.compute_api.compute_rpcapi, 'swap_volume',
lambda c, instance, old_volume_id, new_volume_id: True)
self.compute_api.swap_volume(self.context, instance,
volumes[old_volume_id],
volumes[new_volume_id])
def _test_snapshot_and_backup(self, is_snapshot=True,
with_base_ref=False, min_ram=None,
min_disk=None,
create_fails=False):
# 'cache_in_nova' is for testing non-inheritable properties
# 'user_id' should also not be carried from sys_meta into
# image property...since it should be set explicitly by
# _create_image() in compute api.
fake_sys_meta = dict(image_foo='bar', blah='bug?',
image_cache_in_nova='dropped',
cache_in_nova='dropped',
user_id='meow')
if with_base_ref:
fake_sys_meta['image_base_image_ref'] = 'fake-base-ref'
params = dict(system_metadata=fake_sys_meta, locked=True)
instance = self._create_instance_obj(params=params)
fake_sys_meta.update(instance.system_metadata)
extra_props = dict(cow='moo', cat='meow')
self.mox.StubOutWithMock(compute_utils, 'get_image_metadata')
self.mox.StubOutWithMock(self.compute_api.image_api,
'create')
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api.compute_rpcapi,
'snapshot_instance')
self.mox.StubOutWithMock(self.compute_api.compute_rpcapi,
'backup_instance')
image_type = is_snapshot and 'snapshot' or 'backup'
expected_sys_meta = dict(fake_sys_meta)
expected_sys_meta.pop('cache_in_nova')
expected_sys_meta.pop('image_cache_in_nova')
expected_sys_meta.pop('user_id')
expected_sys_meta['foo'] = expected_sys_meta.pop('image_foo')
if with_base_ref:
expected_sys_meta['base_image_ref'] = expected_sys_meta.pop(
'image_base_image_ref')
expected_props = {'instance_uuid': instance.uuid,
'user_id': self.context.user_id,
'image_type': image_type}
expected_props.update(extra_props)
expected_props.update(expected_sys_meta)
expected_meta = {'name': 'fake-name',
'is_public': False,
'properties': expected_props}
if is_snapshot:
if min_ram is not None:
expected_meta['min_ram'] = min_ram
if min_disk is not None:
expected_meta['min_disk'] = min_disk
else:
expected_props['backup_type'] = 'fake-backup-type'
compute_utils.get_image_metadata(
self.context, self.compute_api.image_api,
FAKE_IMAGE_REF, instance).AndReturn(expected_meta)
fake_image = dict(id='fake-image-id')
mock_method = self.compute_api.image_api.create(
self.context, expected_meta)
if create_fails:
mock_method.AndRaise(test.TestingException())
else:
mock_method.AndReturn(fake_image)
def check_state(expected_task_state=None):
expected_state = (is_snapshot and
task_states.IMAGE_SNAPSHOT_PENDING or
task_states.IMAGE_BACKUP)
self.assertEqual(expected_state, instance.task_state)
if not create_fails:
instance.save(expected_task_state=[None]).WithSideEffects(
check_state)
if is_snapshot:
self.compute_api.compute_rpcapi.snapshot_instance(
self.context, instance, fake_image['id'])
else:
self.compute_api.compute_rpcapi.backup_instance(
self.context, instance, fake_image['id'],
'fake-backup-type', 'fake-rotation')
self.mox.ReplayAll()
got_exc = False
try:
if is_snapshot:
res = self.compute_api.snapshot(self.context, instance,
'fake-name',
extra_properties=extra_props)
else:
res = self.compute_api.backup(self.context, instance,
'fake-name',
'fake-backup-type',
'fake-rotation',
extra_properties=extra_props)
self.assertEqual(fake_image, res)
except test.TestingException:
got_exc = True
self.assertEqual(create_fails, got_exc)
def test_snapshot(self):
self._test_snapshot_and_backup()
def test_snapshot_fails(self):
self._test_snapshot_and_backup(create_fails=True)
def test_snapshot_invalid_state(self):
instance = self._create_instance_obj()
instance.vm_state = vm_states.ACTIVE
instance.task_state = task_states.IMAGE_SNAPSHOT
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.snapshot,
self.context, instance, 'fake-name')
instance.vm_state = vm_states.ACTIVE
instance.task_state = task_states.IMAGE_BACKUP
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.snapshot,
self.context, instance, 'fake-name')
instance.vm_state = vm_states.BUILDING
instance.task_state = None
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.snapshot,
self.context, instance, 'fake-name')
def test_snapshot_with_base_image_ref(self):
self._test_snapshot_and_backup(with_base_ref=True)
def test_snapshot_min_ram(self):
self._test_snapshot_and_backup(min_ram=42)
def test_snapshot_min_disk(self):
self._test_snapshot_and_backup(min_disk=42)
def test_backup(self):
self._test_snapshot_and_backup(is_snapshot=False)
def test_backup_fails(self):
self._test_snapshot_and_backup(is_snapshot=False, create_fails=True)
def test_backup_invalid_state(self):
instance = self._create_instance_obj()
instance.vm_state = vm_states.ACTIVE
instance.task_state = task_states.IMAGE_SNAPSHOT
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.snapshot,
self.context, instance, 'fake-name',
'fake', 'fake')
instance.vm_state = vm_states.ACTIVE
instance.task_state = task_states.IMAGE_BACKUP
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.backup,
self.context, instance, 'fake-name',
'fake', 'fake')
instance.vm_state = vm_states.BUILDING
instance.task_state = None
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.snapshot,
self.context, instance, 'fake-name',
'fake', 'fake')
def test_backup_with_base_image_ref(self):
self._test_snapshot_and_backup(is_snapshot=False,
with_base_ref=True)
def test_snapshot_volume_backed(self):
params = dict(locked=True)
instance = self._create_instance_obj(params=params)
instance['root_device_name'] = 'vda'
instance_bdms = []
image_meta = {
'id': 'fake-image-id',
'properties': {'mappings': []},
'status': 'fake-status',
'location': 'far-away',
}
expect_meta = {
'name': 'test-snapshot',
'properties': {'root_device_name': 'vda',
'mappings': 'DONTCARE'},
'size': 0,
'is_public': False
}
def fake_get_all_by_instance(context, instance, use_slave=False):
return copy.deepcopy(instance_bdms)
def fake_image_create(context, image_meta, data=None):
self.assertThat(image_meta, matchers.DictMatches(expect_meta))
def fake_volume_get(context, volume_id):
return {'id': volume_id, 'display_description': ''}
def fake_volume_create_snapshot(context, volume_id, name, description):
return {'id': '%s-snapshot' % volume_id}
self.stubs.Set(db, 'block_device_mapping_get_all_by_instance',
fake_get_all_by_instance)
self.stubs.Set(self.compute_api.image_api, 'create',
fake_image_create)
self.stubs.Set(self.compute_api.volume_api, 'get',
fake_volume_get)
self.stubs.Set(self.compute_api.volume_api, 'create_snapshot_force',
fake_volume_create_snapshot)
# No block devices defined
self.compute_api.snapshot_volume_backed(
self.context, instance, copy.deepcopy(image_meta), 'test-snapshot')
bdm = fake_block_device.FakeDbBlockDeviceDict(
{'no_device': False, 'volume_id': '1', 'boot_index': 0,
'connection_info': 'inf', 'device_name': '/dev/vda',
'source_type': 'volume', 'destination_type': 'volume'})
instance_bdms.append(bdm)
expect_meta['properties']['bdm_v2'] = True
expect_meta['properties']['block_device_mapping'] = []
expect_meta['properties']['block_device_mapping'].append(
{'guest_format': None, 'boot_index': 0, 'no_device': None,
'image_id': None, 'volume_id': None, 'disk_bus': None,
'volume_size': None, 'source_type': 'snapshot',
'device_type': None, 'snapshot_id': '1-snapshot',
'destination_type': 'volume', 'delete_on_termination': None})
# All the db_only fields and the volume ones are removed
self.compute_api.snapshot_volume_backed(
self.context, instance, copy.deepcopy(image_meta), 'test-snapshot')
image_mappings = [{'virtual': 'ami', 'device': 'vda'},
{'device': 'vda', 'virtual': 'ephemeral0'},
{'device': 'vdb', 'virtual': 'swap'},
{'device': 'vdc', 'virtual': 'ephemeral1'}]
image_meta['properties']['mappings'] = image_mappings
expect_meta['properties']['mappings'] = [
{'virtual': 'ami', 'device': 'vda'}]
# Check that the mappgins from the image properties are included
self.compute_api.snapshot_volume_backed(
self.context, instance, copy.deepcopy(image_meta), 'test-snapshot')
def test_volume_snapshot_create(self):
volume_id = '1'
create_info = {'id': 'eyedee'}
fake_bdm = fake_block_device.FakeDbBlockDeviceDict({
'id': 123,
'device_name': '/dev/sda2',
'source_type': 'volume',
'destination_type': 'volume',
'connection_info': "{'fake': 'connection_info'}",
'volume_id': 1,
'boot_index': -1})
fake_bdm['instance'] = fake_instance.fake_db_instance()
fake_bdm['instance_uuid'] = fake_bdm['instance']['uuid']
fake_bdm = objects.BlockDeviceMapping._from_db_object(
self.context, objects.BlockDeviceMapping(),
fake_bdm, expected_attrs=['instance'])
self.mox.StubOutWithMock(objects.BlockDeviceMapping,
'get_by_volume_id')
self.mox.StubOutWithMock(self.compute_api.compute_rpcapi,
'volume_snapshot_create')
objects.BlockDeviceMapping.get_by_volume_id(
self.context, volume_id,
expected_attrs=['instance']).AndReturn(fake_bdm)
self.compute_api.compute_rpcapi.volume_snapshot_create(self.context,
fake_bdm['instance'], volume_id, create_info)
self.mox.ReplayAll()
snapshot = self.compute_api.volume_snapshot_create(self.context,
volume_id, create_info)
expected_snapshot = {
'snapshot': {
'id': create_info['id'],
'volumeId': volume_id,
},
}
self.assertEqual(snapshot, expected_snapshot)
def test_volume_snapshot_delete(self):
volume_id = '1'
snapshot_id = '2'
fake_bdm = fake_block_device.FakeDbBlockDeviceDict({
'id': 123,
'device_name': '/dev/sda2',
'source_type': 'volume',
'destination_type': 'volume',
'connection_info': "{'fake': 'connection_info'}",
'volume_id': 1,
'boot_index': -1})
fake_bdm['instance'] = fake_instance.fake_db_instance()
fake_bdm['instance_uuid'] = fake_bdm['instance']['uuid']
fake_bdm = objects.BlockDeviceMapping._from_db_object(
self.context, objects.BlockDeviceMapping(),
fake_bdm, expected_attrs=['instance'])
self.mox.StubOutWithMock(objects.BlockDeviceMapping,
'get_by_volume_id')
self.mox.StubOutWithMock(self.compute_api.compute_rpcapi,
'volume_snapshot_delete')
objects.BlockDeviceMapping.get_by_volume_id(
self.context, volume_id,
expected_attrs=['instance']).AndReturn(fake_bdm)
self.compute_api.compute_rpcapi.volume_snapshot_delete(self.context,
fake_bdm['instance'], volume_id, snapshot_id, {})
self.mox.ReplayAll()
self.compute_api.volume_snapshot_delete(self.context, volume_id,
snapshot_id, {})
def _test_boot_volume_bootable(self, is_bootable=False):
def get_vol_data(*args, **kwargs):
return {'bootable': is_bootable}
block_device_mapping = [{
'id': 1,
'device_name': 'vda',
'no_device': None,
'virtual_name': None,
'snapshot_id': None,
'volume_id': '1',
'delete_on_termination': False,
}]
with mock.patch.object(self.compute_api.volume_api, 'get',
side_effect=get_vol_data):
if not is_bootable:
self.assertRaises(exception.InvalidBDMVolumeNotBootable,
self.compute_api._get_bdm_image_metadata,
self.context, block_device_mapping)
else:
meta = self.compute_api._get_bdm_image_metadata(self.context,
block_device_mapping)
self.assertEqual({}, meta)
def test_boot_volume_non_bootable(self):
self._test_boot_volume_bootable(False)
def test_boot_volume_bootable(self):
self._test_boot_volume_bootable(True)
def _create_instance_with_disabled_disk_config(self, object=False):
sys_meta = {"image_auto_disk_config": "Disabled"}
params = {"system_metadata": sys_meta}
instance = self._create_instance_obj(params=params)
if object:
return instance
return obj_base.obj_to_primitive(instance)
def _setup_fake_image_with_disabled_disk_config(self):
self.fake_image = {
'id': 1,
'name': 'fake_name',
'status': 'active',
'properties': {"auto_disk_config": "Disabled"},
}
def fake_show(obj, context, image_id):
return self.fake_image
fake_image.stub_out_image_service(self.stubs)
self.stubs.Set(fake_image._FakeImageService, 'show', fake_show)
return self.fake_image['id']
def test_resize_with_disabled_auto_disk_config_fails(self):
fake_inst = self._create_instance_with_disabled_disk_config()
self.assertRaises(exception.AutoDiskConfigDisabledByImage,
self.compute_api.resize,
self.context, fake_inst,
auto_disk_config=True)
def test_create_with_disabled_auto_disk_config_fails(self):
image_id = self._setup_fake_image_with_disabled_disk_config()
self.assertRaises(exception.AutoDiskConfigDisabledByImage,
self.compute_api.create, self.context,
"fake_flavor", image_id, auto_disk_config=True)
def test_rebuild_with_disabled_auto_disk_config_fails(self):
fake_inst = self._create_instance_with_disabled_disk_config(
object=True)
image_id = self._setup_fake_image_with_disabled_disk_config()
self.assertRaises(exception.AutoDiskConfigDisabledByImage,
self.compute_api.rebuild,
self.context,
fake_inst,
image_id,
"new password",
auto_disk_config=True)
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.Instance, 'get_flavor')
@mock.patch.object(objects.BlockDeviceMappingList, 'get_by_instance_uuid')
@mock.patch.object(compute_api.API, '_get_image')
@mock.patch.object(compute_api.API, '_check_auto_disk_config')
@mock.patch.object(compute_api.API, '_checks_for_create_and_rebuild')
@mock.patch.object(compute_api.API, '_record_action_start')
def test_rebuild(self, _record_action_start,
_checks_for_create_and_rebuild, _check_auto_disk_config,
_get_image, bdm_get_by_instance_uuid, get_flavor, instance_save):
orig_system_metadata = {}
instance = fake_instance.fake_instance_obj(self.context,
vm_state=vm_states.ACTIVE, cell_name='fake-cell',
launched_at=timeutils.utcnow(),
system_metadata=orig_system_metadata,
expected_attrs=['system_metadata'])
get_flavor.return_value = test_flavor.fake_flavor
flavor = instance.get_flavor()
image_href = ''
image = {"min_ram": 10, "min_disk": 1,
"properties": {'architecture': 'x86_64'}}
admin_pass = ''
files_to_inject = []
bdms = []
_get_image.return_value = (None, image)
bdm_get_by_instance_uuid.return_value = bdms
with mock.patch.object(self.compute_api.compute_rpcapi,
'rebuild_instance') as rebuild_instance:
self.compute_api.rebuild(self.context, instance, image_href,
admin_pass, files_to_inject)
rebuild_instance.assert_called_once_with(self.context,
instance=instance, new_pass=admin_pass,
injected_files=files_to_inject, image_ref=image_href,
orig_image_ref=image_href,
orig_sys_metadata=orig_system_metadata, bdms=bdms,
preserve_ephemeral=False, kwargs={})
_check_auto_disk_config.assert_called_once_with(image=image)
_checks_for_create_and_rebuild.assert_called_once_with(self.context,
None, image, flavor, {}, [])
self.assertNotEqual(orig_system_metadata, instance.system_metadata)
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.Instance, 'get_flavor')
@mock.patch.object(objects.BlockDeviceMappingList, 'get_by_instance_uuid')
@mock.patch.object(compute_api.API, '_get_image')
@mock.patch.object(compute_api.API, '_check_auto_disk_config')
@mock.patch.object(compute_api.API, '_checks_for_create_and_rebuild')
@mock.patch.object(compute_api.API, '_record_action_start')
def test_rebuild_change_image(self, _record_action_start,
_checks_for_create_and_rebuild, _check_auto_disk_config,
_get_image, bdm_get_by_instance_uuid, get_flavor, instance_save):
orig_system_metadata = {}
get_flavor.return_value = test_flavor.fake_flavor
orig_image_href = 'orig_image'
orig_image = {"min_ram": 10, "min_disk": 1,
"properties": {'architecture': 'x86_64',
'vm_mode': 'hvm'}}
new_image_href = 'new_image'
new_image = {"min_ram": 10, "min_disk": 1,
"properties": {'architecture': 'x86_64',
'vm_mode': 'xen'}}
admin_pass = ''
files_to_inject = []
bdms = []
instance = fake_instance.fake_instance_obj(self.context,
vm_state=vm_states.ACTIVE, cell_name='fake-cell',
launched_at=timeutils.utcnow(),
system_metadata=orig_system_metadata,
expected_attrs=['system_metadata'],
image_ref=orig_image_href,
vm_mode=vm_mode.HVM)
flavor = instance.get_flavor()
def get_image(context, image_href):
if image_href == new_image_href:
return (None, new_image)
if image_href == orig_image_href:
return (None, orig_image)
_get_image.side_effect = get_image
bdm_get_by_instance_uuid.return_value = bdms
with mock.patch.object(self.compute_api.compute_rpcapi,
'rebuild_instance') as rebuild_instance:
self.compute_api.rebuild(self.context, instance, new_image_href,
admin_pass, files_to_inject)
rebuild_instance.assert_called_once_with(self.context,
instance=instance, new_pass=admin_pass,
injected_files=files_to_inject, image_ref=new_image_href,
orig_image_ref=orig_image_href,
orig_sys_metadata=orig_system_metadata, bdms=bdms,
preserve_ephemeral=False, kwargs={})
_check_auto_disk_config.assert_called_once_with(image=new_image)
_checks_for_create_and_rebuild.assert_called_once_with(self.context,
None, new_image, flavor, {}, [])
self.assertEqual(vm_mode.XEN, instance.vm_mode)
@mock.patch('nova.quota.QUOTAS.commit')
@mock.patch('nova.quota.QUOTAS.reserve')
@mock.patch('nova.objects.Instance.save')
@mock.patch('nova.objects.InstanceAction.action_start')
def test_restore(self, action_start, instance_save, quota_reserve,
quota_commit):
instance = self._create_instance_obj()
instance.vm_state = vm_states.SOFT_DELETED
instance.task_state = None
instance.save()
with mock.patch.object(self.compute_api, 'compute_rpcapi') as rpc:
self.compute_api.restore(self.context, instance)
rpc.restore_instance.assert_called_once_with(self.context,
instance)
self.assertEqual(instance.task_state, task_states.RESTORING)
self.assertEqual(1, quota_commit.call_count)
def test_external_instance_event(self):
instances = [
objects.Instance(uuid='uuid1', host='host1'),
objects.Instance(uuid='uuid2', host='host1'),
objects.Instance(uuid='uuid3', host='host2'),
]
events = [
objects.InstanceExternalEvent(instance_uuid='uuid1'),
objects.InstanceExternalEvent(instance_uuid='uuid2'),
objects.InstanceExternalEvent(instance_uuid='uuid3'),
]
self.compute_api.compute_rpcapi = mock.MagicMock()
self.compute_api.external_instance_event(self.context,
instances, events)
method = self.compute_api.compute_rpcapi.external_instance_event
method.assert_any_call(self.context, instances[0:2], events[0:2])
method.assert_any_call(self.context, instances[2:], events[2:])
self.assertEqual(2, method.call_count)
def test_volume_ops_invalid_task_state(self):
instance = self._create_instance_obj()
self.assertEqual(instance.vm_state, vm_states.ACTIVE)
instance.task_state = 'Any'
volume_id = uuidutils.generate_uuid()
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.attach_volume,
self.context, instance, volume_id)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.detach_volume,
self.context, instance, volume_id)
new_volume_id = uuidutils.generate_uuid()
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.swap_volume,
self.context, instance,
volume_id, new_volume_id)
@mock.patch.object(cinder.API, 'get',
side_effect=exception.CinderConnectionFailed(reason='error'))
def test_get_bdm_image_metadata_with_cinder_down(self, mock_get):
bdms = [objects.BlockDeviceMapping(
**fake_block_device.FakeDbBlockDeviceDict(
{
'id': 1,
'volume_id': 1,
'source_type': 'volume',
'destination_type': 'volume',
'device_name': 'vda',
}))]
self.assertRaises(exception.CinderConnectionFailed,
self.compute_api._get_bdm_image_metadata,
self.context,
bdms, legacy_bdm=True)
@mock.patch.object(cinder.API, 'get_snapshot',
side_effect=exception.CinderConnectionFailed(reason='error'))
@mock.patch.object(cinder.API, 'get',
side_effect=exception.CinderConnectionFailed(reason='error'))
def test_validate_bdm_with_cinder_down(self, mock_get, mock_get_snapshot):
instance = self._create_instance_obj()
instance_type = self._create_flavor()
bdm = [objects.BlockDeviceMapping(
**fake_block_device.FakeDbBlockDeviceDict(
{
'id': 1,
'volume_id': 1,
'source_type': 'volume',
'destination_type': 'volume',
'device_name': 'vda',
'boot_index': 0,
}))]
bdms = [objects.BlockDeviceMapping(
**fake_block_device.FakeDbBlockDeviceDict(
{
'id': 1,
'snapshot_id': 1,
'source_type': 'volume',
'destination_type': 'volume',
'device_name': 'vda',
'boot_index': 0,
}))]
self.assertRaises(exception.CinderConnectionFailed,
self.compute_api._validate_bdm,
self.context,
instance, instance_type, bdm)
self.assertRaises(exception.CinderConnectionFailed,
self.compute_api._validate_bdm,
self.context,
instance, instance_type, bdms)
@mock.patch.object(objects.Instance, 'create')
@mock.patch.object(compute_api.SecurityGroupAPI, 'ensure_default')
@mock.patch.object(compute_api.API,
'_populate_instance_shutdown_terminate')
@mock.patch.object(compute_api.API, '_populate_instance_names')
@mock.patch.object(compute_api.API, '_populate_instance_for_create')
@mock.patch.object(cinder.API, 'get',
side_effect=exception.CinderConnectionFailed(reason='error'))
def test_create_db_entry_for_new_instancewith_cinder_down(self, mock_get,
mock_create,
mock_names,
mock_terminate,
mock_ensure,
mock_inst_create):
instance = self._create_instance_obj()
instance['display_name'] = 'FAKE_DISPLAY_NAME'
instance['shutdown_terminate'] = False
instance_type = self._create_flavor()
fake_image = {
'id': 'fake-image-id',
'properties': {'mappings': []},
'status': 'fake-status',
'location': 'far-away'}
fake_security_group = None
fake_num_instances = 1
fake_index = 1
bdm = [objects.BlockDeviceMapping(
**fake_block_device.FakeDbBlockDeviceDict(
{
'id': 1,
'volume_id': 1,
'source_type': 'volume',
'destination_type': 'volume',
'device_name': 'vda',
'boot_index': 0,
}))]
with mock.patch.object(instance, "destroy") as destroy:
self.assertRaises(exception.CinderConnectionFailed,
self.compute_api.create_db_entry_for_new_instance,
self.context,
instance_type,
fake_image,
instance,
fake_security_group,
bdm,
fake_num_instances,
fake_index)
destroy.assert_called_once_with(self.context)
def _test_rescue(self, vm_state):
instance = self._create_instance_obj(params={'vm_state': vm_state})
bdms = []
with contextlib.nested(
mock.patch.object(objects.BlockDeviceMappingList,
'get_by_instance_uuid', return_value=bdms),
mock.patch.object(self.compute_api, 'is_volume_backed_instance',
return_value=False),
mock.patch.object(instance, 'save'),
mock.patch.object(self.compute_api, '_record_action_start'),
mock.patch.object(self.compute_api.compute_rpcapi,
'rescue_instance')
) as (
bdm_get_by_instance_uuid, volume_backed_inst, instance_save,
record_action_start, rpcapi_rescue_instance
):
self.compute_api.rescue(self.context, instance)
# assert field values set on the instance object
self.assertEqual(task_states.RESCUING, instance.task_state)
# assert our mock calls
bdm_get_by_instance_uuid.assert_called_once_with(
self.context, instance.uuid)
volume_backed_inst.assert_called_once_with(
self.context, instance, bdms)
instance_save.assert_called_once_with(expected_task_state=[None])
record_action_start.assert_called_once_with(
self.context, instance, instance_actions.RESCUE)
rpcapi_rescue_instance.assert_called_once_with(
self.context, instance=instance, rescue_password=None,
rescue_image_ref=None)
def test_rescue_active(self):
self._test_rescue(vm_state=vm_states.ACTIVE)
def test_rescue_stopped(self):
self._test_rescue(vm_state=vm_states.STOPPED)
def test_rescue_error(self):
self._test_rescue(vm_state=vm_states.ERROR)
def test_unrescue(self):
instance = self._create_instance_obj(
params={'vm_state': vm_states.RESCUED})
with contextlib.nested(
mock.patch.object(instance, 'save'),
mock.patch.object(self.compute_api, '_record_action_start'),
mock.patch.object(self.compute_api.compute_rpcapi,
'unrescue_instance')
) as (
instance_save, record_action_start, rpcapi_unrescue_instance
):
self.compute_api.unrescue(self.context, instance)
# assert field values set on the instance object
self.assertEqual(task_states.UNRESCUING, instance.task_state)
# assert our mock calls
instance_save.assert_called_once_with(expected_task_state=[None])
record_action_start.assert_called_once_with(
self.context, instance, instance_actions.UNRESCUE)
rpcapi_unrescue_instance.assert_called_once_with(
self.context, instance=instance)
def test_set_admin_password_invalid_state(self):
# Tests that InstanceInvalidState is raised when not ACTIVE.
instance = self._create_instance_obj({'vm_state': vm_states.STOPPED})
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.set_admin_password,
self.context, instance)
def test_set_admin_password(self):
# Ensure instance can have its admin password set.
instance = self._create_instance_obj()
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(self.compute_api, '_record_action_start')
@mock.patch.object(self.compute_api.compute_rpcapi,
'set_admin_password')
def do_test(compute_rpcapi_mock, record_mock, instance_save_mock):
# call the API
self.compute_api.set_admin_password(self.context, instance)
# make our assertions
instance_save_mock.assert_called_once_with(
expected_task_state=[None])
record_mock.assert_called_once_with(
self.context, instance, instance_actions.CHANGE_PASSWORD)
compute_rpcapi_mock.assert_called_once_with(
self.context, instance=instance, new_pass=None)
do_test()
class ComputeAPIUnitTestCase(_ComputeAPIUnitTestMixIn, test.NoDBTestCase):
def setUp(self):
super(ComputeAPIUnitTestCase, self).setUp()
self.compute_api = compute_api.API()
self.cell_type = None
def test_resize_same_flavor_fails(self):
self.assertRaises(exception.CannotResizeToSameFlavor,
self._test_resize, same_flavor=True)
class ComputeAPIAPICellUnitTestCase(_ComputeAPIUnitTestMixIn,
test.NoDBTestCase):
def setUp(self):
super(ComputeAPIAPICellUnitTestCase, self).setUp()
self.flags(cell_type='api', enable=True, group='cells')
self.compute_api = compute_cells_api.ComputeCellsAPI()
self.cell_type = 'api'
def test_resize_same_flavor_fails(self):
self.assertRaises(exception.CannotResizeToSameFlavor,
self._test_resize, same_flavor=True)
class ComputeAPIComputeCellUnitTestCase(_ComputeAPIUnitTestMixIn,
test.NoDBTestCase):
def setUp(self):
super(ComputeAPIComputeCellUnitTestCase, self).setUp()
self.flags(cell_type='compute', enable=True, group='cells')
self.compute_api = compute_api.API()
self.cell_type = 'compute'
def test_resize_same_flavor_passes(self):
self._test_resize(same_flavor=True)
class DiffDictTestCase(test.NoDBTestCase):
"""Unit tests for _diff_dict()."""
def test_no_change(self):
old = dict(a=1, b=2, c=3)
new = dict(a=1, b=2, c=3)
diff = compute_api._diff_dict(old, new)
self.assertEqual(diff, {})
def test_new_key(self):
old = dict(a=1, b=2, c=3)
new = dict(a=1, b=2, c=3, d=4)
diff = compute_api._diff_dict(old, new)
self.assertEqual(diff, dict(d=['+', 4]))
def test_changed_key(self):
old = dict(a=1, b=2, c=3)
new = dict(a=1, b=4, c=3)
diff = compute_api._diff_dict(old, new)
self.assertEqual(diff, dict(b=['+', 4]))
def test_removed_key(self):
old = dict(a=1, b=2, c=3)
new = dict(a=1, c=3)
diff = compute_api._diff_dict(old, new)
self.assertEqual(diff, dict(b=['-']))
class SecurityGroupAPITest(test.NoDBTestCase):
def setUp(self):
super(SecurityGroupAPITest, self).setUp()
self.secgroup_api = compute_api.SecurityGroupAPI()
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id,
self.project_id)
@mock.patch('nova.objects.security_group.SecurityGroupList.'
'get_by_instance')
def test_get_instance_security_groups(self, mock_get):
groups = objects.SecurityGroupList()
groups.objects = [objects.SecurityGroup(name='foo'),
objects.SecurityGroup(name='bar')]
mock_get.return_value = groups
names = self.secgroup_api.get_instance_security_groups(self.context,
'fake-uuid')
self.assertEqual([{'name': 'bar'}, {'name': 'foo'}], sorted(names))
self.assertEqual(1, mock_get.call_count)
self.assertEqual('fake-uuid', mock_get.call_args_list[0][0][1].uuid)
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