422 lines
21 KiB
Python
422 lines
21 KiB
Python
# Copyright (c) 2013 Mirantis, Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import mock
|
|
from oslo_config import cfg
|
|
|
|
from cinder import context
|
|
from cinder import db
|
|
import cinder.exception
|
|
from cinder.objects import fields
|
|
from cinder.objects import snapshot as obj_snap
|
|
from cinder.objects import volume as obj_volume
|
|
import cinder.test
|
|
from cinder.tests.unit import fake_constants as fake
|
|
from cinder.volume import configuration as conf
|
|
from cinder.volume.drivers import block_device
|
|
from cinder.volume import utils as volutils
|
|
|
|
|
|
class TestBlockDeviceDriver(cinder.test.TestCase):
|
|
def setUp(self):
|
|
fake_opt = [cfg.StrOpt('fake_opt', default='fake', help='fake option')]
|
|
super(TestBlockDeviceDriver, self).setUp()
|
|
self.configuration = conf.Configuration(fake_opt, 'fake_group')
|
|
self.configuration.available_devices = ['/dev/loop1', '/dev/loop2']
|
|
self.configuration.iscsi_helper = 'tgtadm'
|
|
self.host = 'localhost'
|
|
self.configuration.iscsi_port = 3260
|
|
self.configuration.volume_dd_blocksize = 1234
|
|
self.drv = block_device.BlockDeviceDriver(
|
|
configuration=self.configuration,
|
|
host='localhost', db=db)
|
|
|
|
def test_initialize_connection(self):
|
|
TEST_VOLUME1 = obj_volume.Volume(host='localhost1',
|
|
provider_location='1 2 3 /dev/loop1',
|
|
provider_auth='a b c',
|
|
attached_mode='rw',
|
|
id=fake.VOLUME_ID)
|
|
TEST_CONNECTOR = {'host': 'localhost1'}
|
|
|
|
data = self.drv.initialize_connection(TEST_VOLUME1, TEST_CONNECTOR)
|
|
expected_data = {'data': {'device_path': '/dev/loop1'},
|
|
'driver_volume_type': 'local'}
|
|
|
|
self.assertEqual(expected_data, data)
|
|
|
|
@mock.patch('cinder.volume.driver.ISCSIDriver.initialize_connection')
|
|
def test_initialize_connection_different_hosts(self, _init_conn):
|
|
TEST_CONNECTOR = {'host': 'localhost1'}
|
|
TEST_VOLUME2 = obj_volume.Volume(host='localhost2',
|
|
provider_location='1 2 3 /dev/loop2',
|
|
provider_auth='d e f',
|
|
attached_mode='rw',
|
|
id=fake.VOLUME2_ID)
|
|
_init_conn.return_value = 'data'
|
|
|
|
data = self.drv.initialize_connection(TEST_VOLUME2, TEST_CONNECTOR)
|
|
expected_data = {'data': {'auth_method': 'd',
|
|
'auth_password': 'f',
|
|
'auth_username': 'e',
|
|
'encrypted': False,
|
|
'target_discovered': False,
|
|
'target_iqn': '2',
|
|
'target_lun': 3,
|
|
'target_portal': '1',
|
|
'volume_id': fake.VOLUME2_ID}}
|
|
|
|
self.assertEqual(expected_data['data'], data['data'])
|
|
|
|
@mock.patch('cinder.volume.drivers.block_device.BlockDeviceDriver.'
|
|
'local_path', return_value=None)
|
|
@mock.patch('cinder.volume.utils.clear_volume')
|
|
def test_delete_not_volume_provider_location(self, _clear_volume,
|
|
_local_path):
|
|
TEST_VOLUME2 = obj_volume.Volume(provider_location=None)
|
|
self.drv.delete_volume(TEST_VOLUME2)
|
|
_local_path.assert_called_once_with(TEST_VOLUME2)
|
|
|
|
@mock.patch('os.path.exists', return_value=True)
|
|
@mock.patch('cinder.volume.utils.clear_volume')
|
|
def test_delete_volume_path_exist(self, _clear_volume, _exists):
|
|
TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
provider_location='/dev/loop1',
|
|
display_name='vol1',
|
|
status='available')
|
|
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value='/dev/loop1') as lp_mocked:
|
|
with mock.patch.object(self.drv, '_get_devices_sizes',
|
|
return_value={'/dev/loop1': 1}) as \
|
|
gds_mocked:
|
|
volutils.clear_volume(gds_mocked, lp_mocked)
|
|
|
|
self.drv.delete_volume(TEST_VOLUME)
|
|
|
|
lp_mocked.assert_called_once_with(TEST_VOLUME)
|
|
gds_mocked.assert_called_once_with(['/dev/loop1'])
|
|
|
|
self.assertTrue(_exists.called)
|
|
self.assertTrue(_clear_volume.called)
|
|
|
|
def test_delete_path_is_not_in_list_of_available_devices(self):
|
|
TEST_VOLUME2 = obj_volume.Volume(provider_location='/dev/loop0')
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value='/dev/loop0') as lp_mocked:
|
|
self.drv.delete_volume(TEST_VOLUME2)
|
|
lp_mocked.assert_called_once_with(TEST_VOLUME2)
|
|
|
|
def test__update_provider_location(self):
|
|
TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
display_name='vol1')
|
|
with mock.patch.object(obj_volume.Volume, 'update') as update_mocked, \
|
|
mock.patch.object(obj_volume.Volume, 'save') as save_mocked:
|
|
self.drv._update_provider_location(TEST_VOLUME, 'dev_path')
|
|
self.assertEqual(1, update_mocked.call_count)
|
|
save_mocked.assert_called_once_with()
|
|
|
|
def test_create_volume(self):
|
|
TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
display_name='vol1')
|
|
|
|
with mock.patch.object(self.drv, 'find_appropriate_size_device',
|
|
return_value='dev_path') as fasd_mocked:
|
|
with mock.patch.object(self.drv, '_update_provider_location') as \
|
|
upl_mocked:
|
|
self.drv.create_volume(TEST_VOLUME)
|
|
fasd_mocked.assert_called_once_with(TEST_VOLUME.size)
|
|
upl_mocked.assert_called_once_with(TEST_VOLUME, 'dev_path')
|
|
|
|
def test_update_volume_stats(self):
|
|
|
|
with mock.patch.object(self.drv, '_devices_sizes',
|
|
return_value={'/dev/loop1': 1024,
|
|
'/dev/loop2': 1024}) as \
|
|
ds_mocked:
|
|
with mock.patch.object(self.drv, '_get_used_devices') as \
|
|
gud_mocked:
|
|
self.drv._update_volume_stats()
|
|
|
|
reserved_percentage = self.configuration.reserved_percentage
|
|
self.assertEqual({
|
|
'vendor_name': "Open Source",
|
|
'driver_version': self.drv.VERSION,
|
|
'volume_backend_name': 'BlockDev',
|
|
'storage_protocol': 'unknown',
|
|
'pools': [{
|
|
'QoS_support': False,
|
|
'total_capacity_gb': 2,
|
|
'free_capacity_gb': 2,
|
|
'reserved_percentage': reserved_percentage,
|
|
'pool_name': 'BlockDev'}]}, self.drv._stats)
|
|
gud_mocked.assert_called_once_with()
|
|
ds_mocked.assert_called_once_with()
|
|
|
|
@mock.patch('cinder.volume.utils.copy_volume')
|
|
def test_create_cloned_volume(self, _copy_volume):
|
|
TEST_SRC = obj_volume.Volume(id=fake.VOLUME_ID,
|
|
name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
provider_location='/dev/loop1')
|
|
TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME2_NAME_ID,
|
|
size=1,
|
|
display_name='vol1')
|
|
|
|
with mock.patch.object(self.drv, 'find_appropriate_size_device',
|
|
return_value='/dev/loop2') as fasd_mocked:
|
|
with mock.patch.object(self.drv, '_get_devices_sizes',
|
|
return_value={'/dev/loop2': 2}) as \
|
|
gds_mocked:
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value='/dev/loop1') as \
|
|
lp_mocked:
|
|
with mock.patch.object(self.drv,
|
|
'_update_provider_location') as \
|
|
upl_mocked:
|
|
volutils.copy_volume('/dev/loop1', fasd_mocked, 2,
|
|
mock.sentinel,
|
|
execute=self.drv._execute)
|
|
self.drv.create_cloned_volume(TEST_VOLUME, TEST_SRC)
|
|
fasd_mocked.assert_called_once_with(TEST_SRC.size)
|
|
lp_mocked.assert_called_once_with(TEST_SRC)
|
|
gds_mocked.assert_called_once_with(['/dev/loop2'])
|
|
upl_mocked.assert_called_once_with(
|
|
TEST_VOLUME, '/dev/loop2')
|
|
|
|
@mock.patch.object(cinder.image.image_utils, 'fetch_to_raw')
|
|
def test_copy_image_to_volume(self, _fetch_to_raw):
|
|
TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
provider_location='/dev/loop1')
|
|
TEST_IMAGE_SERVICE = "image_service"
|
|
TEST_IMAGE_ID = "image_id"
|
|
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value='/dev/loop1') as lp_mocked:
|
|
self.drv.copy_image_to_volume(context, TEST_VOLUME,
|
|
TEST_IMAGE_SERVICE, TEST_IMAGE_ID)
|
|
lp_mocked.assert_called_once_with(TEST_VOLUME)
|
|
|
|
_fetch_to_raw.assert_called_once_with(context, TEST_IMAGE_SERVICE,
|
|
TEST_IMAGE_ID, '/dev/loop1',
|
|
1234, size=1)
|
|
|
|
def test_copy_volume_to_image(self):
|
|
TEST_VOLUME = {'provider_location': '/dev/loop1'}
|
|
TEST_IMAGE_SERVICE = "image_service"
|
|
TEST_IMAGE_META = "image_meta"
|
|
|
|
with mock.patch.object(cinder.image.image_utils, 'upload_volume') as \
|
|
_upload_volume:
|
|
with mock.patch.object(self.drv, 'local_path') as _local_path:
|
|
_local_path.return_value = '/dev/loop1'
|
|
self.drv.copy_volume_to_image(context, TEST_VOLUME,
|
|
TEST_IMAGE_SERVICE,
|
|
TEST_IMAGE_META)
|
|
|
|
self.assertTrue(_local_path.called)
|
|
_upload_volume.assert_called_once_with(context,
|
|
TEST_IMAGE_SERVICE,
|
|
TEST_IMAGE_META,
|
|
'/dev/loop1')
|
|
|
|
def test_get_used_devices(self):
|
|
TEST_VOLUME1 = {'host': 'localhost',
|
|
'provider_location': '/dev/loop1'}
|
|
TEST_VOLUME2 = {'host': 'localhost',
|
|
'provider_location': '/dev/loop2'}
|
|
|
|
def fake_local_path(vol):
|
|
return vol['provider_location'].split()[-1]
|
|
|
|
with mock.patch.object(obj_volume.VolumeList, 'get_all_by_host',
|
|
return_value=[TEST_VOLUME1, TEST_VOLUME2]),\
|
|
mock.patch.object(obj_snap.SnapshotList, 'get_by_host',
|
|
return_value=[]):
|
|
with mock.patch.object(context, 'get_admin_context'):
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value=fake_local_path):
|
|
path1 = self.drv.local_path(TEST_VOLUME1)
|
|
path2 = self.drv.local_path(TEST_VOLUME2)
|
|
self.assertEqual(set([path1, path2]),
|
|
self.drv._get_used_devices())
|
|
|
|
def test_get_devices_sizes(self):
|
|
dev_paths = ['/dev/loop1', '/dev/loop2', '/dev/loop3']
|
|
out = '4294967296\n2147483648\n3221225472\nn'
|
|
with mock.patch.object(self.drv,
|
|
'_execute',
|
|
return_value=(out, None)) as _execute:
|
|
actual = self.drv._get_devices_sizes(dev_paths)
|
|
self.assertEqual(3, len(actual))
|
|
self.assertEqual({'/dev/loop1': 4096, '/dev/loop2': 2048,
|
|
'/dev/loop3': 3072}, actual)
|
|
_execute.assert_called_once_with('blockdev', '--getsize64',
|
|
*dev_paths, run_as_root=True)
|
|
|
|
def test_devices_sizes(self):
|
|
with mock.patch.object(self.drv, '_get_devices_sizes') as \
|
|
_get_dvc_size:
|
|
_get_dvc_size.return_value = {'/dev/loop1': 1, '/dev/loop2': 1}
|
|
self.assertEqual(2, len(self.drv._devices_sizes()))
|
|
self.assertEqual({'/dev/loop1': 1, '/dev/loop2': 1},
|
|
self.drv._devices_sizes())
|
|
|
|
def test_find_appropriate_size_device_no_free_disks(self):
|
|
size = 1
|
|
with mock.patch.object(self.drv, '_devices_sizes') as _dvc_sizes:
|
|
with mock.patch.object(self.drv, '_get_used_devices') as \
|
|
_get_used_dvc:
|
|
_dvc_sizes.return_value = {'/dev/loop1': 1,
|
|
'/dev/loop2': 1}
|
|
_get_used_dvc.return_value = set(['/dev/loop1', '/dev/loop2'])
|
|
self.assertRaises(cinder.exception.CinderException,
|
|
self.drv.find_appropriate_size_device, size)
|
|
|
|
def test_find_appropriate_size_device_not_big_enough_disk(self):
|
|
size = 2948
|
|
with mock.patch.object(self.drv, '_devices_sizes') as _dvc_sizes:
|
|
with mock.patch.object(self.drv, '_get_used_devices') as \
|
|
_get_used_dvc:
|
|
_dvc_sizes.return_value = {'/dev/loop1': 1024,
|
|
'/dev/loop2': 1924}
|
|
_get_used_dvc.return_value = set(['/dev/loop1'])
|
|
self.assertRaises(cinder.exception.CinderException,
|
|
self.drv.find_appropriate_size_device, size)
|
|
|
|
def test_find_appropriate_size_device(self):
|
|
size = 1
|
|
with mock.patch.object(self.drv, '_devices_sizes') as _dvc_sizes:
|
|
with mock.patch.object(self.drv, '_get_used_devices') as \
|
|
_get_used_dvc:
|
|
_dvc_sizes.return_value = {'/dev/loop1': 2048,
|
|
'/dev/loop2': 1024}
|
|
_get_used_dvc.return_value = set()
|
|
self.assertEqual('/dev/loop2',
|
|
self.drv.find_appropriate_size_device(size))
|
|
|
|
def test_extend_volume_exists(self):
|
|
TEST_VOLUME = {'name': 'vol1', 'id': 123}
|
|
with mock.patch.object(self.drv, '_get_devices_sizes',
|
|
return_value={'/dev/loop1': 1024}) as \
|
|
mock_get_size:
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value='/dev/loop1') as lp_mocked:
|
|
self.assertRaises(cinder.exception.CinderException,
|
|
self.drv.extend_volume, TEST_VOLUME, 2)
|
|
lp_mocked.assert_called_once_with(TEST_VOLUME)
|
|
mock_get_size.assert_called_once_with(['/dev/loop1'])
|
|
|
|
@mock.patch('cinder.volume.utils.copy_volume')
|
|
def test_create_snapshot(self, _copy_volume):
|
|
TEST_VOLUME = obj_volume.Volume(id=fake.VOLUME_ID,
|
|
name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
display_name='vol1',
|
|
status='available',
|
|
provider_location='/dev/loop1')
|
|
TEST_SNAP = obj_snap.Snapshot(id=fake.SNAPSHOT_ID,
|
|
volume_id=fake.VOLUME_ID,
|
|
volume_size=1024,
|
|
provider_location='/dev/loop2',
|
|
volume=TEST_VOLUME)
|
|
|
|
with mock.patch.object(self.drv, 'find_appropriate_size_device',
|
|
return_value='/dev/loop2') as fasd_mocked:
|
|
with mock.patch.object(self.drv, '_get_devices_sizes',
|
|
return_value={'/dev/loop2': 1024}) as \
|
|
gds_mocked:
|
|
with mock.patch.object(self.drv,
|
|
'_update_provider_location') as \
|
|
upl_mocked:
|
|
volutils.copy_volume('/dev/loop1', fasd_mocked, 1024,
|
|
mock.sentinel,
|
|
execute=self.drv._execute)
|
|
self.drv.create_snapshot(TEST_SNAP)
|
|
fasd_mocked.assert_called_once_with(TEST_SNAP.volume_size)
|
|
gds_mocked.assert_called_once_with(['/dev/loop2'])
|
|
upl_mocked.assert_called_once_with(
|
|
TEST_SNAP, '/dev/loop2')
|
|
|
|
def test_create_snapshot_with_not_available_volume(self):
|
|
TEST_VOLUME = obj_volume.Volume(id=fake.VOLUME_ID,
|
|
name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
display_name='vol1',
|
|
status='in use',
|
|
provider_location='/dev/loop1')
|
|
TEST_SNAP = obj_snap.Snapshot(id=fake.SNAPSHOT_ID,
|
|
volume_id=fake.VOLUME_ID,
|
|
volume_size=1024,
|
|
provider_location='/dev/loop2',
|
|
volume=TEST_VOLUME)
|
|
|
|
self.assertRaises(cinder.exception.CinderException,
|
|
self.drv.create_snapshot, TEST_SNAP)
|
|
|
|
@mock.patch('cinder.volume.utils.copy_volume')
|
|
def test_create_volume_from_snapshot(self, _copy_volume):
|
|
TEST_SNAP = obj_snap.Snapshot(volume_id=fake.VOLUME_ID,
|
|
volume_size=1024,
|
|
provider_location='/dev/loop1')
|
|
TEST_VOLUME = obj_volume.Volume(id=fake.VOLUME_ID,
|
|
name_id=fake.VOLUME_NAME_ID,
|
|
size=1,
|
|
display_name='vol1',
|
|
provider_location='/dev/loop2')
|
|
|
|
with mock.patch.object(self.drv, 'find_appropriate_size_device',
|
|
return_value='/dev/loop2') as fasd_mocked:
|
|
with mock.patch.object(self.drv, '_get_devices_sizes',
|
|
return_value={'/dev/loop2': 1024}) as \
|
|
gds_mocked:
|
|
with mock.patch.object(self.drv,
|
|
'_update_provider_location') as \
|
|
upl_mocked:
|
|
volutils.copy_volume('/dev/loop1', fasd_mocked, 1024,
|
|
mock.sentinel,
|
|
execute=self.drv._execute)
|
|
self.drv.create_volume_from_snapshot(
|
|
TEST_VOLUME, TEST_SNAP)
|
|
fasd_mocked.assert_called_once_with(
|
|
TEST_SNAP.volume_size)
|
|
gds_mocked.assert_called_once_with(['/dev/loop2'])
|
|
upl_mocked.assert_called_once_with(
|
|
TEST_VOLUME, '/dev/loop2')
|
|
|
|
@mock.patch('os.path.exists', return_value=True)
|
|
@mock.patch('cinder.volume.utils.clear_volume')
|
|
def test_delete_snapshot(self, _clear_volume, _exists):
|
|
TEST_SNAP = obj_snap.Snapshot(volume_id=fake.VOLUME_ID,
|
|
provider_location='/dev/loop1',
|
|
status=fields.SnapshotStatus.AVAILABLE)
|
|
|
|
with mock.patch.object(self.drv, 'local_path',
|
|
return_value='/dev/loop1') as lp_mocked:
|
|
with mock.patch.object(self.drv, '_get_devices_sizes',
|
|
return_value={'/dev/loop1': 1}) as \
|
|
gds_mocked:
|
|
volutils.clear_volume(gds_mocked, lp_mocked)
|
|
self.drv.delete_snapshot(TEST_SNAP)
|
|
lp_mocked.assert_called_once_with(TEST_SNAP)
|
|
gds_mocked.assert_called_once_with(['/dev/loop1'])
|
|
|
|
self.assertTrue(_exists.called)
|
|
self.assertTrue(_clear_volume.called)
|