cinder/cinder/tests/unit/volume/flows/test_create_volume_flow.py

1810 lines
75 KiB
Python

# Copyright 2013 Canonical Ltd.
# 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.
""" Tests for create_volume TaskFlow """
import sys
import ddt
import mock
from castellan.common import exception as castellan_exc
from castellan.tests.unit.key_manager import mock_key_manager
from oslo_utils import imageutils
from cinder import context
from cinder import exception
from cinder.message import message_field
from cinder import test
from cinder.tests.unit.backup import fake_backup
from cinder.tests.unit.consistencygroup import fake_consistencygroup
from cinder.tests.unit import fake_constants as fakes
from cinder.tests.unit import fake_snapshot
from cinder.tests.unit import fake_volume
from cinder.tests.unit.image import fake as fake_image
from cinder.tests.unit import utils
from cinder.tests.unit.volume.flows import fake_volume_api
from cinder.volume.flows.api import create_volume
from cinder.volume.flows.manager import create_volume as create_volume_manager
@ddt.ddt
class CreateVolumeFlowTestCase(test.TestCase):
def time_inc(self):
self.counter += 1
return self.counter
def setUp(self):
super(CreateVolumeFlowTestCase, self).setUp()
self.ctxt = context.get_admin_context()
# Ensure that time.time() always returns more than the last time it was
# called to avoid div by zero errors.
self.counter = float(0)
self.get_extra_specs = self.patch(
'cinder.volume.volume_types.get_volume_type_extra_specs',
return_value={})
@mock.patch('cinder.objects.Volume.get_by_id')
@mock.patch('cinder.volume.utils.extract_host')
@mock.patch('time.time')
@mock.patch('cinder.objects.Snapshot.get_by_id')
def test_cast_create_volume_from_resource(self, mock_snapshot_get,
mock_time, mock_extract_host,
volume_get_by_id):
mock_time.side_effect = self.time_inc
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool')
volume_get_by_id.return_value = volume
spec = {'volume_id': volume.id,
'volume': volume,
'source_volid': volume.id,
'snapshot_id': None,
'image_id': 4,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'backup_id': None, }
# Fake objects assert specs
task = create_volume.VolumeCastTask(
fake_volume_api.FakeSchedulerRpcAPI(spec, self),
fake_volume_api.FakeVolumeAPI(spec, self),
fake_volume_api.FakeDb())
task._cast_create_volume(self.ctxt, spec, {})
mock_extract_host.assert_called_once_with('host@backend#pool')
snapshot = fake_snapshot.fake_snapshot_obj(self.ctxt,
volume=volume)
mock_snapshot_get.return_value = snapshot
spec = {'volume_id': volume.id,
'volume': volume,
'source_volid': None,
'snapshot_id': snapshot.id,
'image_id': 4,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'backup_id': None, }
# Fake objects assert specs
task = create_volume.VolumeCastTask(
fake_volume_api.FakeSchedulerRpcAPI(spec, self),
fake_volume_api.FakeVolumeAPI(spec, self),
fake_volume_api.FakeDb())
task._cast_create_volume(self.ctxt, spec, {})
mock_snapshot_get.assert_called_once_with(self.ctxt, snapshot.id)
mock_extract_host.assert_has_calls([mock.call('host@backend#pool'),
mock.call('host@backend#pool')])
@mock.patch('cinder.objects.Volume.get_by_id')
@mock.patch('cinder.volume.utils.extract_host')
@mock.patch('time.time')
@mock.patch('cinder.objects.ConsistencyGroup.get_by_id')
def test_cast_create_volume(self, consistencygroup_get_by_id, mock_time,
mock_extract_host, volume_get_by_id):
mock_time.side_effect = self.time_inc
volume = fake_volume.fake_volume_obj(self.ctxt)
volume_get_by_id.return_value = volume
props = {}
cg_obj = (fake_consistencygroup.
fake_consistencyobject_obj(self.ctxt, consistencygroup_id=1,
host='host@backend#pool'))
consistencygroup_get_by_id.return_value = cg_obj
spec = {'volume_id': None,
'volume': None,
'source_volid': None,
'snapshot_id': None,
'image_id': None,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'backup_id': None, }
# Fake objects assert specs
task = create_volume.VolumeCastTask(
fake_volume_api.FakeSchedulerRpcAPI(spec, self),
fake_volume_api.FakeVolumeAPI(spec, self),
fake_volume_api.FakeDb())
task._cast_create_volume(self.ctxt, spec, props)
spec = {'volume_id': volume.id,
'volume': volume,
'source_volid': 2,
'snapshot_id': 3,
'image_id': 4,
'consistencygroup_id': 5,
'cgsnapshot_id': None,
'group_id': None,
'backup_id': None, }
# Fake objects assert specs
task = create_volume.VolumeCastTask(
fake_volume_api.FakeSchedulerRpcAPI(spec, self),
fake_volume_api.FakeVolumeAPI(spec, self),
fake_volume_api.FakeDb())
task._cast_create_volume(self.ctxt, spec, props)
consistencygroup_get_by_id.assert_called_once_with(self.ctxt, 5)
mock_extract_host.assert_called_once_with('host@backend#pool')
@ddt.data(('enabled', {'replication_enabled': '<is> True'}),
('disabled', {'replication_enabled': '<is> False'}),
('disabled', {}))
@ddt.unpack
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_encryption_key_id', mock.Mock())
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
def test_extract_volume_request_replication_status(self,
replication_status,
extra_specs,
fake_get_qos):
self.get_extra_specs.return_value = extra_specs
fake_image_service = fake_image.FakeImageService()
fake_key_manager = mock_key_manager.MockKeyManager()
task = create_volume.ExtractVolumeRequestTask(fake_image_service,
{'nova'})
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=None,
source_volume=None,
availability_zone='nova',
volume_type={'id': fakes.VOLUME_TYPE_ID,
'size': 1},
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
self.assertEqual(replication_status, result['replication_status'],
extra_specs)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_encryption_key_id')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
def test_extract_volume_request_from_image_encrypted(
self,
fake_get_qos,
fake_get_encryption_key,
fake_get_volume_type_id,
fake_is_encrypted):
fake_image_service = fake_image.FakeImageService()
image_id = 1
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = True
fake_get_volume_type_id.return_value = fakes.VOLUME_TYPE_ID
task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=None,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
fake_get_encryption_key.assert_called_once_with(
fake_key_manager, self.ctxt, fakes.VOLUME_TYPE_ID,
None, None, image_meta)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_volume_request_from_image(
self,
fake_get_type_id,
fake_get_qos,
fake_is_encrypted):
fake_image_service = fake_image.FakeImageService()
image_id = 2
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
volume_type = 'type1'
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_qos.return_value = {'qos_specs': None}
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=volume_type,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': 1,
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': volume_type,
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': None,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'refresh_az': False,
'replication_status': 'disabled',
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_availability_zone_without_fallback(
self,
fake_get_type_id,
fake_get_qos,
fake_is_encrypted):
fake_image_service = fake_image.FakeImageService()
image_id = 3
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
volume_type = 'type1'
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_qos.return_value = {'qos_specs': None}
self.assertRaises(exception.InvalidAvailabilityZone,
task.execute,
self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='notnova',
volume_type=volume_type,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_availability_zone_with_fallback(
self,
fake_get_type_id,
fake_get_qos,
fake_is_encrypted):
self.override_config('allow_availability_zone_fallback', True)
fake_image_service = fake_image.FakeImageService()
image_id = 4
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
volume_type = 'type1'
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_qos.return_value = {'qos_specs': None}
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='does_not_exist',
volume_type=volume_type,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': 1,
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': volume_type,
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': None,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'refresh_az': True,
'replication_status': 'disabled',
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.volume.volume_types.is_encrypted',
return_value=True)
@mock.patch('cinder.volume.volume_types.get_volume_type_encryption',
return_value=mock.Mock(cipher='my-cipher-2000'))
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs',
return_value={'qos_specs': None})
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask._get_volume_type_id',
return_value=1)
def test_get_encryption_key_id_castellan_error(
self,
mock_get_type_id,
mock_get_qos,
mock_get_volume_type_encryption,
mock_is_encrypted):
fake_image_service = fake_image.FakeImageService()
image_id = 99
image_meta = {'id': image_id,
'status': 'active',
'size': 1}
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
volume_type = 'type1'
with mock.patch.object(fake_key_manager, 'create_key',
side_effect=castellan_exc.KeyManagerError):
with mock.patch.object(fake_key_manager, 'get',
return_value=fakes.ENCRYPTION_KEY_ID):
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
self.assertRaises(exception.Invalid,
task.execute,
self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=volume_type,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
mock_is_encrypted.assert_called_once_with(self.ctxt, 1)
mock_get_volume_type_encryption.assert_called_once_with(self.ctxt, 1)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_volume_request_task_with_large_volume_size(
self,
fake_get_type_id,
fake_get_qos,
fake_is_encrypted):
fake_image_service = fake_image.FakeImageService()
image_id = 11
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
volume_type = 'type1'
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_qos.return_value = {'qos_specs': None}
result = task.execute(self.ctxt,
size=(sys.maxsize + 1),
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone=None,
volume_type=volume_type,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': (sys.maxsize + 1),
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': volume_type,
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': None,
'replication_status': 'disabled',
'consistencygroup_id': None,
'cgsnapshot_id': None,
'refresh_az': False,
'group_id': None,
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_volume_request_from_image_with_qos_specs(
self,
fake_get_type_id,
fake_get_qos,
fake_is_encrypted):
fake_image_service = fake_image.FakeImageService()
image_id = 5
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
volume_type = 'type1'
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_qos_spec = {'specs': {'fake_key': 'fake'}}
fake_get_qos.return_value = {'qos_specs': fake_qos_spec}
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=volume_type,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': 1,
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': volume_type,
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': {'fake_key': 'fake'},
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'refresh_az': False,
'replication_status': 'disabled',
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.volume_types.get_default_volume_type')
@mock.patch('cinder.volume.volume_types.get_volume_type_by_name')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_image_volume_type_from_image(
self,
fake_get_type_id,
fake_get_vol_type,
fake_get_def_vol_type,
fake_get_qos,
fake_is_encrypted):
image_volume_type = 'type_from_image'
fake_image_service = fake_image.FakeImageService()
image_id = 6
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
image_meta['properties'] = {}
image_meta['properties']['cinder_img_volume_type'] = image_volume_type
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_vol_type.return_value = image_volume_type
fake_get_def_vol_type.return_value = 'fake_vol_type'
fake_get_qos.return_value = {'qos_specs': None}
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=None,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': 1,
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': image_volume_type,
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': None,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'refresh_az': False,
'replication_status': 'disabled',
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.db.volume_type_get_by_name')
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.volume_types.get_default_volume_type')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_image_volume_type_from_image_invalid_type(
self,
fake_get_type_id,
fake_get_def_vol_type,
fake_get_qos,
fake_is_encrypted,
fake_db_get_vol_type):
image_volume_type = 'invalid'
fake_image_service = fake_image.FakeImageService()
image_id = 7
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
image_meta['properties'] = {}
image_meta['properties']['cinder_img_volume_type'] = image_volume_type
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_def_vol_type.return_value = 'fake_vol_type'
fake_db_get_vol_type.side_effect = (
exception.VolumeTypeNotFoundByName(volume_type_name='invalid'))
fake_get_qos.return_value = {'qos_specs': None}
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=None,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': 1,
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': 'fake_vol_type',
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': None,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'refresh_az': False,
'replication_status': 'disabled',
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.db.volume_type_get_by_name')
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.volume_types.get_default_volume_type')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
@ddt.data((8, None), (9, {'cinder_img_volume_type': None}))
@ddt.unpack
def test_extract_image_volume_type_from_image_properties_error(
self,
image_id,
fake_img_properties,
fake_get_type_id,
fake_get_def_vol_type,
fake_get_qos,
fake_is_encrypted,
fake_db_get_vol_type):
fake_image_service = fake_image.FakeImageService()
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
image_meta['properties'] = fake_img_properties
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_def_vol_type.return_value = 'fake_vol_type'
fake_get_qos.return_value = {'qos_specs': None}
result = task.execute(self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=None,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
expected_result = {'size': 1,
'snapshot_id': None,
'source_volid': None,
'availability_zone': 'nova',
'volume_type': 'fake_vol_type',
'volume_type_id': 1,
'encryption_key_id': None,
'qos_specs': None,
'consistencygroup_id': None,
'cgsnapshot_id': None,
'group_id': None,
'refresh_az': False,
'replication_status': 'disabled',
'backup_id': None}
self.assertEqual(expected_result, result)
@mock.patch('cinder.db.volume_type_get_by_name')
@mock.patch('cinder.volume.volume_types.is_encrypted')
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs')
@mock.patch('cinder.volume.volume_types.get_default_volume_type')
@mock.patch('cinder.volume.flows.api.create_volume.'
'ExtractVolumeRequestTask.'
'_get_volume_type_id')
def test_extract_image_volume_type_from_image_invalid_input(
self,
fake_get_type_id,
fake_get_def_vol_type,
fake_get_qos,
fake_is_encrypted,
fake_db_get_vol_type):
fake_image_service = fake_image.FakeImageService()
image_id = 10
image_meta = {}
image_meta['id'] = image_id
image_meta['status'] = 'inactive'
fake_image_service.create(self.ctxt, image_meta)
fake_key_manager = mock_key_manager.MockKeyManager()
task = create_volume.ExtractVolumeRequestTask(
fake_image_service,
{'nova'})
fake_is_encrypted.return_value = False
fake_get_type_id.return_value = 1
fake_get_def_vol_type.return_value = 'fake_vol_type'
fake_get_qos.return_value = {'qos_specs': None}
self.assertRaises(exception.InvalidInput,
task.execute,
self.ctxt,
size=1,
snapshot=None,
image_id=image_id,
source_volume=None,
availability_zone='nova',
volume_type=None,
metadata=None,
key_manager=fake_key_manager,
consistencygroup=None,
cgsnapshot=None,
group=None,
group_snapshot=None,
backup=None)
@ddt.ddt
class CreateVolumeFlowManagerTestCase(test.TestCase):
def setUp(self):
super(CreateVolumeFlowManagerTestCase, self).setUp()
self.ctxt = context.get_admin_context()
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_handle_bootable_volume_glance_meta')
@mock.patch('cinder.objects.Volume.get_by_id')
@mock.patch('cinder.objects.Snapshot.get_by_id')
def test_create_from_snapshot(self, snapshot_get_by_id, volume_get_by_id,
handle_bootable, cleanup_cg):
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_volume_manager = mock.MagicMock()
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
fake_volume_manager, fake_db, fake_driver)
volume_db = {'bootable': True}
volume_obj = fake_volume.fake_volume_obj(self.ctxt, **volume_db)
snapshot_obj = fake_snapshot.fake_snapshot_obj(self.ctxt)
snapshot_get_by_id.return_value = snapshot_obj
volume_get_by_id.return_value = volume_obj
fake_manager._create_from_snapshot(self.ctxt, volume_obj,
snapshot_obj.id)
fake_driver.create_volume_from_snapshot.assert_called_once_with(
volume_obj, snapshot_obj)
handle_bootable.assert_called_once_with(self.ctxt, volume_obj,
snapshot_id=snapshot_obj.id)
cleanup_cg.assert_called_once_with(volume_obj)
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.objects.Snapshot.get_by_id')
def test_create_from_snapshot_update_failure(self, snapshot_get_by_id,
mock_cleanup_cg):
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_volume_manager = mock.MagicMock()
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
fake_volume_manager, fake_db, fake_driver)
volume_obj = fake_volume.fake_volume_obj(self.ctxt)
snapshot_obj = fake_snapshot.fake_snapshot_obj(self.ctxt)
snapshot_get_by_id.return_value = snapshot_obj
fake_db.volume_get.side_effect = exception.CinderException
self.assertRaises(exception.MetadataUpdateFailure,
fake_manager._create_from_snapshot, self.ctxt,
volume_obj, snapshot_obj.id)
fake_driver.create_volume_from_snapshot.assert_called_once_with(
volume_obj, snapshot_obj)
mock_cleanup_cg.assert_called_once_with(volume_obj)
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_handle_bootable_volume_glance_meta')
@mock.patch('cinder.image.image_utils.TemporaryImages.fetch')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.image.image_utils.check_virtual_size')
def test_create_encrypted_volume_from_image(self,
mock_check_size,
mock_qemu_img,
mock_fetch_img,
mock_handle_bootable,
mock_cleanup_cg):
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_volume_manager = mock.MagicMock()
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
fake_volume_manager, fake_db, fake_driver)
volume = fake_volume.fake_volume_obj(
self.ctxt,
encryption_key_id=fakes.ENCRYPTION_KEY_ID,
host='host@backend#pool')
fake_image_service = fake_image.FakeImageService()
image_meta = {}
image_id = fakes.IMAGE_ID
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
image_location = 'abc'
fake_db.volume_update.return_value = volume
fake_manager._create_from_image(self.ctxt, volume,
image_location, image_id,
image_meta, fake_image_service)
fake_driver.create_volume.assert_called_once_with(volume)
fake_driver.copy_image_to_encrypted_volume.assert_called_once_with(
self.ctxt, volume, fake_image_service, image_id)
mock_handle_bootable.assert_called_once_with(self.ctxt, volume,
image_id=image_id,
image_meta=image_meta)
mock_cleanup_cg.assert_called_once_with(volume)
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_handle_bootable_volume_glance_meta')
@mock.patch('cinder.image.image_utils.TemporaryImages.fetch')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.image.image_utils.check_virtual_size')
def test_create_encrypted_volume_from_enc_image(self,
mock_check_size,
mock_qemu_img,
mock_fetch_img,
mock_handle_bootable,
mock_cleanup_cg):
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_volume_manager = mock.MagicMock()
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
fake_volume_manager, fake_db, fake_driver)
volume = fake_volume.fake_volume_obj(
self.ctxt,
encryption_key_id=fakes.ENCRYPTION_KEY_ID,
host='host@backend#pool')
fake_image_service = fake_image.FakeImageService()
image_meta = {}
image_id = fakes.IMAGE_ID
image_meta['id'] = image_id
image_meta['status'] = 'active'
image_meta['size'] = 1
image_meta['cinder_encryption_key_id'] = \
'00000000-0000-0000-0000-000000000000'
image_location = 'abc'
fake_db.volume_update.return_value = volume
fake_manager._create_from_image(self.ctxt, volume,
image_location, image_id,
image_meta, fake_image_service)
fake_driver.create_volume.assert_called_once_with(volume)
fake_driver.copy_image_to_encrypted_volume.assert_called_once_with(
self.ctxt, volume, fake_image_service, image_id)
mock_handle_bootable.assert_called_once_with(self.ctxt, volume,
image_id=image_id,
image_meta=image_meta)
mock_cleanup_cg.assert_called_once_with(volume)
@ddt.data(True, False)
def test__copy_image_to_volume(self, is_encrypted):
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_volume_manager = mock.MagicMock()
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
fake_volume_manager, fake_db, fake_driver)
key = fakes.ENCRYPTION_KEY_ID if is_encrypted else None
volume = fake_volume.fake_volume_obj(
self.ctxt,
encryption_key_id=key)
fake_image_service = fake_image.FakeImageService()
image_id = fakes.IMAGE_ID
image_meta = {'id': image_id}
image_location = 'abc'
fake_manager._copy_image_to_volume(self.ctxt, volume, image_meta,
image_location, fake_image_service)
if is_encrypted:
fake_driver.copy_image_to_encrypted_volume.assert_called_once_with(
self.ctxt, volume, fake_image_service, image_id)
else:
fake_driver.copy_image_to_volume.assert_called_once_with(
self.ctxt, volume, fake_image_service, image_id)
@ddt.data({'driver_error': True},
{'driver_error': False})
@mock.patch('cinder.backup.api.API.get_available_backup_service_host')
@mock.patch('cinder.backup.rpcapi.BackupAPI.restore_backup')
@mock.patch('oslo_service.loopingcall.'
'FixedIntervalWithTimeoutLoopingCall')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_create_raw_volume')
@mock.patch('cinder.db.volume_update')
@mock.patch('cinder.db.backup_update')
@mock.patch('cinder.objects.Volume.get_by_id')
@mock.patch('cinder.objects.Backup.get_by_id')
@ddt.unpack
def test_create_from_backup(self,
backup_get_by_id,
volume_get_by_id,
mock_backup_update,
mock_volume_update,
mock_create_volume,
mock_fixed_looping_call,
mock_restore_backup,
mock_get_backup_host,
driver_error):
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_volume_manager = mock.MagicMock()
backup_host = 'host@backend#pool'
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
fake_volume_manager, fake_db, fake_driver)
volume_obj = fake_volume.fake_volume_obj(self.ctxt)
backup_obj = fake_backup.fake_backup_obj(self.ctxt,
**{'status': 'available',
'host': backup_host})
backup_get_by_id.return_value = backup_obj
volume_get_by_id.return_value = volume_obj
mock_create_volume.return_value = {}
mock_get_backup_host.return_value = backup_host
mock_fixed_looping_call.return_value = mock.MagicMock()
if driver_error:
fake_driver.create_volume_from_backup.side_effect = [
NotImplementedError]
fake_manager._create_from_backup(self.ctxt, volume_obj,
backup_obj.id)
fake_driver.create_volume_from_backup.assert_called_once_with(
volume_obj, backup_obj)
if driver_error:
mock_create_volume.assert_called_once_with(volume_obj)
mock_get_backup_host.assert_called_once_with(
backup_obj.host, backup_obj.availability_zone)
mock_restore_backup.assert_called_once_with(self.ctxt,
backup_host,
backup_obj,
volume_obj['id'])
else:
fake_driver.create_volume_from_backup.assert_called_once_with(
volume_obj, backup_obj)
class CreateVolumeFlowManagerGlanceCinderBackendCase(test.TestCase):
def setUp(self):
super(CreateVolumeFlowManagerGlanceCinderBackendCase, self).setUp()
self.ctxt = context.get_admin_context()
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.image.image_utils.TemporaryImages.fetch')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_handle_bootable_volume_glance_meta')
@mock.patch('cinder.image.image_utils.qemu_img_info')
def test_create_from_image_volume(self, mock_qemu_info, handle_bootable,
mock_fetch_img, mock_cleanup_cg,
format='raw', owner=None,
location=True):
self.flags(allowed_direct_url_schemes=['cinder'])
mock_fetch_img.return_value = mock.MagicMock(
spec=utils.get_file_spec())
fake_db = mock.MagicMock()
fake_driver = mock.MagicMock()
fake_manager = create_volume_manager.CreateVolumeFromSpecTask(
mock.MagicMock(), fake_db, fake_driver)
fake_image_service = fake_image.FakeImageService()
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool')
image_volume = fake_volume.fake_volume_obj(self.ctxt,
volume_metadata={})
image_id = fakes.IMAGE_ID
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '1073741824'
mock_qemu_info.return_value = image_info
url = 'cinder://%s' % image_volume['id']
image_location = None
if location:
image_location = (url, [{'url': url, 'metadata': {}}])
image_meta = {'id': image_id,
'container_format': 'bare',
'disk_format': format,
'size': 1024,
'owner': owner or self.ctxt.project_id,
'virtual_size': None,
'cinder_encryption_key_id': None}
fake_driver.clone_image.return_value = (None, False)
fake_db.volume_get_all_by_host.return_value = [image_volume]
fake_manager._create_from_image(self.ctxt,
volume,
image_location,
image_id,
image_meta,
fake_image_service)
if format is 'raw' and not owner and location:
fake_driver.create_cloned_volume.assert_called_once_with(
volume, image_volume)
handle_bootable.assert_called_once_with(self.ctxt, volume,
image_id=image_id,
image_meta=image_meta)
else:
self.assertFalse(fake_driver.create_cloned_volume.called)
mock_cleanup_cg.assert_called_once_with(volume)
def test_create_from_image_volume_in_qcow2_format(self):
self.test_create_from_image_volume(format='qcow2')
def test_create_from_image_volume_of_other_owner(self):
self.test_create_from_image_volume(owner='fake-owner')
def test_create_from_image_volume_without_location(self):
self.test_create_from_image_volume(location=False)
@ddt.ddt
@mock.patch('cinder.image.image_utils.TemporaryImages.fetch')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_handle_bootable_volume_glance_meta')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_create_from_source_volume')
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_create_from_image_download')
@mock.patch('cinder.context.get_internal_tenant_context')
class CreateVolumeFlowManagerImageCacheTestCase(test.TestCase):
def setUp(self):
super(CreateVolumeFlowManagerImageCacheTestCase, self).setUp()
self.ctxt = context.get_admin_context()
self.mock_db = mock.MagicMock()
self.mock_driver = mock.MagicMock()
self.mock_cache = mock.MagicMock()
self.mock_image_service = mock.MagicMock()
self.mock_volume_manager = mock.MagicMock()
self.internal_context = self.ctxt
self.internal_context.user_id = 'abc123'
self.internal_context.project_id = 'def456'
@mock.patch('cinder.image.image_utils.check_available_space')
def test_create_from_image_clone_image_and_skip_cache(
self, mock_check_space, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
self.mock_driver.clone_image.return_value = (None, True)
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool')
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'virtual_size': '1073741824', 'size': 1073741824}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
manager._create_from_image(self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
# Make sure check_available_space is always called
self.assertTrue(mock_check_space.called)
# Make sure clone_image is always called even if the cache is enabled
self.assertTrue(self.mock_driver.clone_image.called)
# Create from source shouldn't happen if clone_image succeeds
self.assertFalse(mock_create_from_src.called)
# The image download should not happen if clone_image succeeds
self.assertFalse(mock_create_from_img_dl.called)
mock_handle_bootable.assert_called_once_with(
self.ctxt,
volume,
image_id=image_id,
image_meta=image_meta
)
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.image.image_utils.check_available_space')
def test_create_from_image_cannot_use_cache(
self, mock_qemu_info, mock_check_space, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
mock_get_internal_context.return_value = None
self.mock_driver.clone_image.return_value = (None, False)
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool')
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '1073741824'
mock_qemu_info.return_value = image_info
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'id': image_id,
'virtual_size': '1073741824',
'size': 1073741824}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
manager._create_from_image(self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
# Make sure check_available_space is always called
self.assertTrue(mock_check_space.called)
# Make sure clone_image is always called
self.assertTrue(self.mock_driver.clone_image.called)
# Create from source shouldn't happen if cache cannot be used.
self.assertFalse(mock_create_from_src.called)
# The image download should happen if clone fails and we can't use the
# image-volume cache.
mock_create_from_img_dl.assert_called_once_with(
self.ctxt,
volume,
image_location,
image_meta,
self.mock_image_service
)
# This should not attempt to use a minimal size volume
self.assertFalse(self.mock_db.volume_update.called)
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)
mock_handle_bootable.assert_called_once_with(
self.ctxt,
volume,
image_id=image_id,
image_meta=image_meta
)
@ddt.data(
NotImplementedError('Driver does not support clone'),
exception.CinderException('Error during cloning'))
def test_create_from_image_clone_failure(
self, effect, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
mock_get_internal_context.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt)
mock_create_from_src.side_effect = effect
image_id = fakes.IMAGE_ID
image_meta = {'virtual_size': '1073741824'}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
model, result = manager._create_from_image_cache(self.ctxt,
None,
volume,
image_id,
image_meta)
self.assertIsNone(model)
self.assertFalse(result)
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.image.image_utils.check_available_space')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.db.volume_update')
def test_create_from_image_extend_failure(
self, mock_volume_update, mock_qemu_info, mock_check_size,
mock_get_internal_context, mock_create_from_img_dl,
mock_create_from_src, mock_handle_bootable, mock_fetch_img,
mock_cleanup_cg):
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
self.mock_driver.extend_volume.side_effect = (
exception.CinderException('Error during extending'))
volume_size = 2
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool',
size=volume_size)
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '1073741824'
mock_qemu_info.return_value = image_info
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'virtual_size': '1073741824', 'size': '1073741824'}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
self.assertRaises(exception.CinderException,
manager._create_from_image,
self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
self.assertTrue(mock_cleanup_cg.called)
mock_volume_update.assert_any_call(self.ctxt, volume.id, {'size': 1})
self.assertEqual(volume_size, volume.size)
@mock.patch('cinder.image.image_utils.check_available_space')
def test_create_from_image_bigger_size(
self, mock_check_space, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
volume = fake_volume.fake_volume_obj(self.ctxt)
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'virtual_size': '2147483648', 'size': 2147483648}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
self.assertRaises(
exception.ImageUnacceptable,
manager._create_from_image,
self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
def test_create_from_image_cache_hit(
self, mock_get_internal_context, mock_create_from_img_dl,
mock_create_from_src, mock_handle_bootable, mock_fetch_img):
self.mock_driver.clone_image.return_value = (None, False)
image_volume_id = '70a599e0-31e7-49b7-b260-868f441e862b'
self.mock_cache.get_entry.return_value = {
'volume_id': image_volume_id
}
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool')
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'virtual_size': None, 'size': 1024}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
manager._create_from_image(self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
# Make sure clone_image is always called even if the cache is enabled
self.assertTrue(self.mock_driver.clone_image.called)
# For a cache hit it should only clone from the image-volume
mock_create_from_src.assert_called_once_with(self.ctxt,
volume,
image_volume_id)
# The image download should not happen when we get a cache hit
self.assertFalse(mock_create_from_img_dl.called)
mock_handle_bootable.assert_called_once_with(
self.ctxt,
volume,
image_id=image_id,
image_meta=image_meta
)
@mock.patch('cinder.db.volume_update')
@mock.patch('cinder.objects.Volume.get_by_id')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.image.image_utils.check_available_space')
def test_create_from_image_cache_miss(
self, mock_check_size, mock_qemu_info, mock_volume_get,
mock_volume_update, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
mock_get_internal_context.return_value = self.ctxt
mock_fetch_img.return_value = mock.MagicMock(
spec=utils.get_file_spec())
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '2147483648'
mock_qemu_info.return_value = image_info
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt, size=10,
host='foo@bar#pool')
mock_volume_get.return_value = volume
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'id': image_id,
'size': 2000000}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
manager._create_from_image(self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
# Make sure clone_image is always called
self.assertTrue(self.mock_driver.clone_image.called)
# The image download should happen if clone fails and
# we get a cache miss
mock_create_from_img_dl.assert_called_once_with(
self.ctxt,
mock.ANY,
image_location,
image_meta,
self.mock_image_service
)
# The volume size should be reduced to virtual_size and then put back
mock_volume_update.assert_any_call(self.ctxt, volume.id, {'size': 2})
mock_volume_update.assert_any_call(self.ctxt, volume.id, {'size': 10})
# Make sure created a new cache entry
(self.mock_volume_manager.
_create_image_cache_volume_entry.assert_called_once_with(
self.ctxt, volume, image_id, image_meta))
mock_handle_bootable.assert_called_once_with(
self.ctxt,
volume,
image_id=image_id,
image_meta=image_meta
)
@mock.patch('cinder.db.volume_update')
@mock.patch('cinder.objects.Volume.get_by_id')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.image.image_utils.check_available_space')
def test_create_from_image_cache_miss_error_downloading(
self, mock_check_size, mock_qemu_info, mock_volume_get,
mock_volume_update, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
mock_fetch_img.return_value = mock.MagicMock()
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '2147483648'
mock_qemu_info.return_value = image_info
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt, size=10,
host='foo@bar#pool')
mock_volume_get.return_value = volume
mock_create_from_img_dl.side_effect = exception.CinderException()
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = mock.MagicMock()
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
self.assertRaises(
exception.CinderException,
manager._create_from_image,
self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service
)
# Make sure clone_image is always called
self.assertTrue(self.mock_driver.clone_image.called)
# The image download should happen if clone fails and
# we get a cache miss
mock_create_from_img_dl.assert_called_once_with(
self.ctxt,
mock.ANY,
image_location,
image_meta,
self.mock_image_service
)
# The volume size should be reduced to virtual_size and then put back,
# especially if there is an exception while creating the volume.
self.assertEqual(2, mock_volume_update.call_count)
mock_volume_update.assert_any_call(self.ctxt, volume.id, {'size': 2})
mock_volume_update.assert_any_call(self.ctxt, volume.id, {'size': 10})
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.image.image_utils.check_available_space')
def test_create_from_image_no_internal_context(
self, mock_chk_space, mock_qemu_info, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
self.mock_driver.clone_image.return_value = (None, False)
mock_get_internal_context.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt,
host='host@backend#pool')
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '1073741824'
mock_qemu_info.return_value = image_info
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = {'virtual_size': '1073741824', 'size': 1073741824}
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
manager._create_from_image(self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service)
# Make sure check_available_space is always called
self.assertTrue(mock_chk_space.called)
# Make sure clone_image is always called
self.assertTrue(self.mock_driver.clone_image.called)
# Create from source shouldn't happen if cache cannot be used.
self.assertFalse(mock_create_from_src.called)
# The image download should happen if clone fails and we can't use the
# image-volume cache due to not having an internal context available.
mock_create_from_img_dl.assert_called_once_with(
self.ctxt,
volume,
image_location,
image_meta,
self.mock_image_service
)
# This should not attempt to use a minimal size volume
self.assertFalse(self.mock_db.volume_update.called)
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)
mock_handle_bootable.assert_called_once_with(
self.ctxt,
volume,
image_id=image_id,
image_meta=image_meta
)
@mock.patch('cinder.volume.flows.manager.create_volume.'
'CreateVolumeFromSpecTask.'
'_cleanup_cg_in_volume')
@mock.patch('cinder.image.image_utils.check_available_space')
@mock.patch('cinder.image.image_utils.qemu_img_info')
def test_create_from_image_cache_miss_error_size_invalid(
self, mock_qemu_info, mock_check_space, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img, mock_cleanup_cg):
mock_fetch_img.return_value = mock.MagicMock()
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '2147483648'
mock_qemu_info.return_value = image_info
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt, size=1,
host='foo@bar#pool')
image_volume = fake_volume.fake_db_volume(size=2)
self.mock_db.volume_create.return_value = image_volume
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = mock.MagicMock()
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
self.assertRaises(
exception.ImageUnacceptable,
manager._create_from_image,
self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service
)
self.assertTrue(mock_cleanup_cg.called)
# The volume size should NOT be changed when in this case
self.assertFalse(self.mock_db.volume_update.called)
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)
@mock.patch('cinder.image.image_utils.check_available_space')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.message.api.API.create')
def test_create_from_image_insufficient_space(
self, mock_message_create, mock_qemu_info, mock_check_space,
mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '2147483648'
mock_qemu_info.return_value = image_info
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt, size=1,
host='foo@bar#pool')
image_volume = fake_volume.fake_db_volume(size=2)
self.mock_db.volume_create.return_value = image_volume
image_location = 'someImageLocationStr'
image_id = fakes.IMAGE_ID
image_meta = mock.MagicMock()
mock_check_space.side_effect = exception.ImageTooBig(
image_id=image_id, reason="fake")
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
self.assertRaises(
exception.ImageTooBig,
manager._create_from_image,
self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service
)
mock_message_create.assert_called_once_with(
self.ctxt, message_field.Action.COPY_IMAGE_TO_VOLUME,
resource_uuid=volume.id,
detail=message_field.Detail.NOT_ENOUGH_SPACE_FOR_IMAGE,
exception=mock.ANY)
# The volume size should NOT be changed when in this case
self.assertFalse(self.mock_db.volume_update.called)
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)
@mock.patch('cinder.image.image_utils.check_available_space')
@mock.patch('cinder.image.image_utils.qemu_img_info')
@mock.patch('cinder.message.api.API.create')
def test_create_from_image_cache_insufficient_size(
self, mock_message_create, mock_qemu_info, mock_check_space,
mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '1073741824'
mock_qemu_info.return_value = image_info
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt, size=1,
host='foo@bar#pool')
image_volume = fake_volume.fake_db_volume(size=2)
self.mock_db.volume_create.return_value = image_volume
image_id = fakes.IMAGE_ID
mock_create_from_img_dl.side_effect = exception.ImageTooBig(
image_id=image_id, reason="fake")
image_location = 'someImageLocationStr'
image_meta = mock.MagicMock()
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache
)
self.assertRaises(
exception.ImageTooBig,
manager._create_from_image_cache_or_download,
self.ctxt,
volume,
image_location,
image_id,
image_meta,
self.mock_image_service
)
mock_message_create.assert_called_once_with(
self.ctxt, message_field.Action.COPY_IMAGE_TO_VOLUME,
resource_uuid=volume.id,
detail=message_field.Detail.NOT_ENOUGH_SPACE_FOR_IMAGE,
exception=mock.ANY)
# The volume size should NOT be changed when in this case
self.assertFalse(self.mock_db.volume_update.called)
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)