class TestBlockDeviceDriver(cinder.test.TestCase):
def setUp(self):
super(TestBlockDeviceDriver, self).setUp()
self.configuration = mox.MockAnything()
self.configuration.available_devices = ['/dev/loop1', '/dev/loop2']
self.configuration.host = 'localhost'
self.configuration.iscsi_port = 3260
self.drv = BlockDeviceDriver(configuration=self.configuration)
def test_initialize_connection(self):
TEST_VOLUME1 = {'host': 'localhost1',
'provider_location': '1 2 3 /dev/loop1',
}
TEST_CONNECTOR = {'host': 'localhost1'}
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME1).AndReturn('/dev/loop1')
self.mox.ReplayAll()
data = self.drv.initialize_connection(TEST_VOLUME1, TEST_CONNECTOR)
self.assertEqual(data, {
'driver_volume_type': 'local',
'data': {'device_path': '/dev/loop1'}
})
def test_initialize_connection_different_hosts(self):
TEST_CONNECTOR = {'host': 'localhost1'}
TEST_VOLUME2 = {'host': 'localhost2',
'provider_location': '1 2 3 /dev/loop2',
}
self.mox.StubOutWithMock(ISCSIDriver, 'initialize_connection')
ISCSIDriver.initialize_connection(TEST_VOLUME2,
TEST_CONNECTOR).AndReturn('data')
self.mox.ReplayAll()
data = self.drv.initialize_connection(TEST_VOLUME2, TEST_CONNECTOR)
self.assertEqual(data, 'data')
def test_delete_not_volume_provider_location(self):
TEST_VOLUME2 = {'provider_location': None}
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME2).AndReturn(None)
self.mox.StubOutWithMock(volutils, 'clear_volume')
self.mox.ReplayAll()
self.drv.delete_volume(TEST_VOLUME2)
def test_delete_volume_path_exist(self):
TEST_VOLUME1 = {'provider_location': '1 2 3 /dev/loop1'}
self.mox.StubOutWithMock(self.drv, 'local_path')
path = self.drv.local_path(TEST_VOLUME1).AndReturn('/dev/loop1')
self.mox.StubOutWithMock(os.path, 'exists')
os.path.exists(path).AndReturn(True)
self.mox.StubOutWithMock(volutils, 'clear_volume')
self.mox.StubOutWithMock(self.drv, '_get_device_size')
size = self.drv._get_device_size(path).AndReturn(1024)
volutils.clear_volume(size, path,
volume_clear=mox.IgnoreArg(),
volume_clear_size=mox.IgnoreArg())
self.mox.ReplayAll()
self.drv.delete_volume(TEST_VOLUME1)
def test_delete_path_is_not_in_list_of_available_devices(self):
TEST_VOLUME2 = {'provider_location': '1 2 3 /dev/loop0'}
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME2).AndReturn('/dev/loop0')
self.mox.StubOutWithMock(volutils, 'clear_volume')
self.mox.ReplayAll()
self.drv.delete_volume(TEST_VOLUME2)
def test_create_volume(self):
TEST_VOLUME = {'size': 1,
'name': 'vol1'}
self.mox.StubOutWithMock(self.drv, 'find_appropriate_size_device')
self.drv.find_appropriate_size_device(TEST_VOLUME['size']) \
.AndReturn('dev_path')
self.mox.ReplayAll()
result = self.drv.create_volume(TEST_VOLUME)
self.assertEqual(result, {
'provider_location': 'dev_path'})
def test_update_volume_stats(self):
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({'/dev/loop1': 1024,
'/dev/loop2': 1024})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set())
self.mox.StubOutWithMock(self.configuration, 'safe_get')
self.configuration.safe_get('volume_backend_name'). \
AndReturn('BlockDeviceDriver')
self.mox.ReplayAll()
self.drv._update_volume_stats()
self.assertEqual(self.drv._stats,
{'total_capacity_gb': 2,
'free_capacity_gb': 2,
'reserved_percentage':
self.configuration.reserved_percentage,
'QoS_support': False,
'vendor_name': "Open Source",
'driver_version': self.drv.VERSION,
'storage_protocol': 'unknown',
'volume_backend_name': 'BlockDeviceDriver',
})
def test_create_cloned_volume(self):
TEST_SRC = {'id': '1',
'size': 1,
'provider_location': '1 2 3 /dev/loop1'}
TEST_VOLUME = {}
self.mox.StubOutWithMock(self.drv, 'find_appropriate_size_device')
dev = self.drv.find_appropriate_size_device(TEST_SRC['size']).\
AndReturn('/dev/loop2')
self.mox.StubOutWithMock(volutils, 'copy_volume')
self.mox.StubOutWithMock(self.drv, 'local_path')
self.mox.StubOutWithMock(self.drv, '_get_device_size')
self.drv.local_path(TEST_SRC).AndReturn('/dev/loop1')
self.drv._get_device_size('/dev/loop2').AndReturn(1)
volutils.copy_volume('/dev/loop1', dev, 2048, mox.IgnoreArg(),
execute=self.drv._execute)
self.mox.ReplayAll()
self.assertEqual(self.drv.create_cloned_volume(TEST_VOLUME, TEST_SRC),
{'provider_location': '/dev/loop2'})
def test_copy_image_to_volume(self):
TEST_VOLUME = {'provider_location': '1 2 3 /dev/loop1', 'size': 1}
TEST_IMAGE_SERVICE = "image_service"
TEST_IMAGE_ID = "image_id"
self.mox.StubOutWithMock(image_utils, 'fetch_to_raw')
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME).AndReturn('/dev/loop1')
image_utils.fetch_to_raw(context, TEST_IMAGE_SERVICE,
TEST_IMAGE_ID, '/dev/loop1', mox.IgnoreArg(),
size=1)
self.mox.ReplayAll()
self.drv.copy_image_to_volume(context, TEST_VOLUME, TEST_IMAGE_SERVICE,
TEST_IMAGE_ID)
def test_copy_volume_to_image(self):
TEST_VOLUME = {'provider_location': '1 2 3 /dev/loop1'}
TEST_IMAGE_SERVICE = "image_service"
TEST_IMAGE_META = "image_meta"
self.mox.StubOutWithMock(image_utils, 'upload_volume')
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME).AndReturn('/dev/loop1')
image_utils.upload_volume(context, TEST_IMAGE_SERVICE,
TEST_IMAGE_META, '/dev/loop1')
self.mox.ReplayAll()
self.drv.copy_volume_to_image(context, TEST_VOLUME, TEST_IMAGE_SERVICE,
TEST_IMAGE_META)
def test_get_used_devices(self):
TEST_VOLUME1 = {'host': 'localhost',
'provider_location': '1 2 3 /dev/loop1'}
TEST_VOLUME2 = {'host': 'localhost',
'provider_location': '1 2 3 /dev/loop2'}
self.mox.StubOutWithMock(api, 'volume_get_all_by_host')
self.mox.StubOutWithMock(context, 'get_admin_context')
context.get_admin_context()
api.volume_get_all_by_host(None,
self.configuration.host) \
.AndReturn([TEST_VOLUME1, TEST_VOLUME2])
self.mox.StubOutWithMock(self.drv, 'local_path')
path1 = self.drv.local_path(TEST_VOLUME1).AndReturn('/dev/loop1')
path2 = self.drv.local_path(TEST_VOLUME2).AndReturn('/dev/loop2')
self.mox.ReplayAll()
self.assertEqual(self.drv._get_used_devices(), set([path1, path2]))
def test_get_device_size(self):
dev_path = '/dev/loop1'
self.mox.StubOutWithMock(self.drv, '_execute')
out = '2048'
self.drv._execute('blockdev', '--getsz', dev_path,
run_as_root=True).AndReturn((out, None))
self.mox.ReplayAll()
self.assertEqual(self.drv._get_device_size(dev_path), 1)
def test_devices_sizes(self):
self.mox.StubOutWithMock(self.drv, '_get_device_size')
for dev in self.configuration.available_devices:
self.drv._get_device_size(dev).AndReturn(1)
self.mox.ReplayAll()
self.assertEqual(self.drv._devices_sizes(),
{'/dev/loop1': 1, '/dev/loop2': 1})
def test_find_appropriate_size_device_no_free_disks(self):
size = 1
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({'/dev/loop1': 1024,
'/dev/loop2': 1024})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set(['/dev/loop1',
'/dev/loop2']))
self.mox.ReplayAll()
self.assertRaises(cinder.exception.CinderException,
self.drv.find_appropriate_size_device, size)
def test_find_appropriate_size_device_not_big_enough_disk(self):
size = 2
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({'/dev/loop1': 1024,
'/dev/loop2': 1024})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set(['/dev/loop1']))
self.mox.ReplayAll()
self.assertRaises(cinder.exception.CinderException,
self.drv.find_appropriate_size_device, size)
def test_find_appropriate_size_device(self):
size = 1
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({'/dev/loop1': 2048,
'/dev/loop2': 1024})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set())
self.mox.ReplayAll()
self.assertEqual(self.drv.find_appropriate_size_device(size),
'/dev/loop2')
class TestBlockDeviceDriver(cinder.test.TestCase):
def setUp(self):
super(TestBlockDeviceDriver, self).setUp()
self.configuration = mox.MockAnything()
self.configuration.available_devices = ['/dev/loop1', '/dev/loop2']
self.configuration.host = 'localhost'
self.configuration.iscsi_port = 3260
self.drv = BlockDeviceDriver(configuration=self.configuration)
def test_initialize_connection(self):
TEST_VOLUME1 = {
'host': 'localhost1',
'provider_location': '1 2 3 /dev/loop1',
}
TEST_CONNECTOR = {'host': 'localhost1'}
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME1).AndReturn('/dev/loop1')
self.mox.ReplayAll()
data = self.drv.initialize_connection(TEST_VOLUME1, TEST_CONNECTOR)
self.assertEqual(data, {
'driver_volume_type': 'local',
'data': {
'device_path': '/dev/loop1'
}
})
def test_initialize_connection_different_hosts(self):
TEST_CONNECTOR = {'host': 'localhost1'}
TEST_VOLUME2 = {
'host': 'localhost2',
'provider_location': '1 2 3 /dev/loop2',
}
self.mox.StubOutWithMock(ISCSIDriver, 'initialize_connection')
ISCSIDriver.initialize_connection(TEST_VOLUME2,
TEST_CONNECTOR).AndReturn('data')
self.mox.ReplayAll()
data = self.drv.initialize_connection(TEST_VOLUME2, TEST_CONNECTOR)
self.assertEqual(data, 'data')
def test_delete_not_volume_provider_location(self):
TEST_VOLUME2 = {'provider_location': None}
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME2).AndReturn(None)
self.mox.StubOutWithMock(self.drv, 'clear_volume')
self.mox.ReplayAll()
self.drv.delete_volume(TEST_VOLUME2)
def test_delete_volume_path_exist(self):
TEST_VOLUME1 = {'provider_location': '1 2 3 /dev/loop1'}
self.mox.StubOutWithMock(self.drv, 'local_path')
path = self.drv.local_path(TEST_VOLUME1).AndReturn('/dev/loop1')
self.mox.StubOutWithMock(os.path, 'exists')
os.path.exists(path).AndReturn(True)
self.mox.StubOutWithMock(self.drv, 'clear_volume')
self.drv.clear_volume(TEST_VOLUME1)
self.mox.ReplayAll()
self.drv.delete_volume(TEST_VOLUME1)
def test_delete_path_is_not_in_list_of_available_devices(self):
TEST_VOLUME2 = {'provider_location': '1 2 3 /dev/loop0'}
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME2).AndReturn('/dev/loop0')
self.mox.StubOutWithMock(self.drv, 'clear_volume')
self.mox.ReplayAll()
self.drv.delete_volume(TEST_VOLUME2)
def test_create_volume(self):
TEST_VOLUME = {'size': 1, 'name': 'vol1'}
self.mox.StubOutWithMock(self.drv, 'find_appropriate_size_device')
self.drv.find_appropriate_size_device(TEST_VOLUME['size']) \
.AndReturn('dev_path')
self.mox.ReplayAll()
result = self.drv.create_volume(TEST_VOLUME)
self.assertEqual(
result,
{'provider_location': 'None:3260,None None '
'None dev_path'})
def test_update_volume_stats(self):
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({
'/dev/loop1': 1024,
'/dev/loop2': 1024
})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set())
self.mox.StubOutWithMock(self.configuration, 'safe_get')
self.configuration.safe_get('volume_backend_name'). \
AndReturn('BlockDeviceDriver')
self.mox.ReplayAll()
self.drv._update_volume_stats()
self.assertEqual(
self.drv._stats, {
'total_capacity_gb': 2,
'free_capacity_gb': 2,
'reserved_percentage': self.configuration.reserved_percentage,
'QoS_support': False,
'vendor_name': "Open Source",
'driver_version': self.drv.VERSION,
'storage_protocol': 'unknown',
'volume_backend_name': 'BlockDeviceDriver',
})
def test_create_cloned_volume(self):
TEST_SRC = {
'id': '1',
'size': 1,
'provider_location': '1 2 3 /dev/loop1'
}
TEST_VOLUME = {}
self.mox.StubOutWithMock(self.drv, 'find_appropriate_size_device')
dev = self.drv.find_appropriate_size_device(TEST_SRC['size']).\
AndReturn('/dev/loop2')
self.mox.StubOutWithMock(volutils, 'copy_volume')
self.mox.StubOutWithMock(self.drv, 'local_path')
self.mox.StubOutWithMock(self.drv, '_get_device_size')
self.drv.local_path(TEST_SRC).AndReturn('/dev/loop1')
self.drv._get_device_size('/dev/loop2').AndReturn(1)
volutils.copy_volume('/dev/loop1',
dev,
2048,
execute=self.drv._execute)
self.mox.ReplayAll()
self.assertEqual(
self.drv.create_cloned_volume(TEST_VOLUME, TEST_SRC),
{'provider_location': 'None:3260,'
'None None None /dev/loop2'})
def test_copy_image_to_volume(self):
TEST_VOLUME = {'provider_location': '1 2 3 /dev/loop1'}
TEST_IMAGE_SERVICE = "image_service"
TEST_IMAGE_ID = "image_id"
self.mox.StubOutWithMock(image_utils, 'fetch_to_raw')
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME).AndReturn('/dev/loop1')
image_utils.fetch_to_raw(context, TEST_IMAGE_SERVICE, TEST_IMAGE_ID,
'/dev/loop1')
self.mox.ReplayAll()
self.drv.copy_image_to_volume(context, TEST_VOLUME, TEST_IMAGE_SERVICE,
TEST_IMAGE_ID)
def test_copy_volume_to_image(self):
TEST_VOLUME = {'provider_location': '1 2 3 /dev/loop1'}
TEST_IMAGE_SERVICE = "image_service"
TEST_IMAGE_META = "image_meta"
self.mox.StubOutWithMock(image_utils, 'upload_volume')
self.mox.StubOutWithMock(self.drv, 'local_path')
self.drv.local_path(TEST_VOLUME).AndReturn('/dev/loop1')
image_utils.upload_volume(context, TEST_IMAGE_SERVICE, TEST_IMAGE_META,
'/dev/loop1')
self.mox.ReplayAll()
self.drv.copy_volume_to_image(context, TEST_VOLUME, TEST_IMAGE_SERVICE,
TEST_IMAGE_META)
def test_get_used_devices(self):
TEST_VOLUME1 = {
'host': 'localhost',
'provider_location': '1 2 3 /dev/loop1'
}
TEST_VOLUME2 = {
'host': 'localhost',
'provider_location': '1 2 3 /dev/loop2'
}
self.mox.StubOutWithMock(api, 'volume_get_all_by_host')
self.mox.StubOutWithMock(context, 'get_admin_context')
context.get_admin_context()
api.volume_get_all_by_host(None,
self.configuration.host) \
.AndReturn([TEST_VOLUME1, TEST_VOLUME2])
self.mox.StubOutWithMock(self.drv, 'local_path')
path1 = self.drv.local_path(TEST_VOLUME1).AndReturn('/dev/loop1')
path2 = self.drv.local_path(TEST_VOLUME2).AndReturn('/dev/loop2')
self.mox.ReplayAll()
self.assertEqual(self.drv._get_used_devices(), set([path1, path2]))
def test_get_device_size(self):
dev_path = '/dev/loop1'
self.mox.StubOutWithMock(self.drv, '_execute')
out = '2048'
self.drv._execute('blockdev', '--getsz', dev_path,
run_as_root=True).AndReturn((out, None))
self.mox.ReplayAll()
self.assertEqual(self.drv._get_device_size(dev_path), 1)
def test_devices_sizes(self):
self.mox.StubOutWithMock(self.drv, '_get_device_size')
for dev in self.configuration.available_devices:
self.drv._get_device_size(dev).AndReturn(1)
self.mox.ReplayAll()
self.assertEqual(self.drv._devices_sizes(), {
'/dev/loop1': 1,
'/dev/loop2': 1
})
def test_find_appropriate_size_device_no_free_disks(self):
size = 1
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({
'/dev/loop1': 1024,
'/dev/loop2': 1024
})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(
set(['/dev/loop1', '/dev/loop2']))
self.mox.ReplayAll()
self.assertRaises(cinder.exception.CinderException,
self.drv.find_appropriate_size_device, size)
def test_find_appropriate_size_device_not_big_enough_disk(self):
size = 2
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({
'/dev/loop1': 1024,
'/dev/loop2': 1024
})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set(['/dev/loop1']))
self.mox.ReplayAll()
self.assertRaises(cinder.exception.CinderException,
self.drv.find_appropriate_size_device, size)
def test_find_appropriate_size_device(self):
size = 1
self.mox.StubOutWithMock(self.drv, '_devices_sizes')
self.drv._devices_sizes().AndReturn({
'/dev/loop1': 2048,
'/dev/loop2': 1024
})
self.mox.StubOutWithMock(self.drv, '_get_used_devices')
self.drv._get_used_devices().AndReturn(set())
self.mox.ReplayAll()
self.assertEqual(self.drv.find_appropriate_size_device(size),
'/dev/loop2')
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 = BlockDeviceDriver(configuration=self.configuration,
host='localhost')
def test_initialize_connection(self):
TEST_VOLUME1 = {'host': 'localhost1',
'provider_location': '1 2 3 /dev/loop1',
'provider_auth': 'a b c',
'attached_mode': 'rw',
'id': 'fake-uuid'}
TEST_CONNECTOR = {'host': 'localhost1'}
data = self.drv.initialize_connection(TEST_VOLUME1, TEST_CONNECTOR)
expected_data = {'data': {'auth_method': 'a',
'auth_password': '******',
'auth_username': '******',
'encrypted': False,
'target_discovered': False,
'target_iqn': '2',
'target_lun': 3,
'target_portal': '1',
'volume_id': 'fake-uuid'},
'driver_volume_type': 'iscsi'}
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 = {'host': 'localhost2',
'provider_location': '1 2 3 /dev/loop2',
'provider_auth': 'd e f',
'attached_mode': 'rw',
'id': 'fake-uuid-2'}
_init_conn.return_value = 'data'
data = self.drv.initialize_connection(TEST_VOLUME2, TEST_CONNECTOR)
expected_data = {'data': {'auth_method': 'd',
'auth_password': '******',
'auth_username': '******',
'encrypted': False,
'target_discovered': False,
'target_iqn': '2',
'target_lun': 3,
'target_portal': '1',
'volume_id': 'fake-uuid-2'}}
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 = {'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_VOLUME1 = {'provider_location': '1 2 3 /dev/loop1'}
with mock.patch.object(self.drv, 'local_path',
return_value='/dev/loop1') as lp_mocked:
with mock.patch.object(self.drv, '_get_device_size',
return_value=1024) as gds_mocked:
volutils.clear_volume(gds_mocked, lp_mocked)
self.drv.delete_volume(TEST_VOLUME1)
lp_mocked.assert_called_once_with(TEST_VOLUME1)
gds_mocked.assert_called_once_with('/dev/loop1')
_exists.assert_called_anytime()
_clear_volume.assert_called_anytime()
def test_delete_path_is_not_in_list_of_available_devices(self):
TEST_VOLUME2 = {'provider_location': '1 2 3 /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_create_volume(self):
TEST_VOLUME = {'size': 1,
'name': 'vol1'}
with mock.patch.object(self.drv, 'find_appropriate_size_device',
return_value='dev_path') as fasd_mocked:
result = self.drv.create_volume(TEST_VOLUME)
self.assertEqual(result, {
'provider_location': 'dev_path'})
fasd_mocked.assert_called_once_with(TEST_VOLUME['size'])
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()
self.assertEqual(self.drv._stats,
{'total_capacity_gb': 2,
'free_capacity_gb': 2,
'reserved_percentage':
self.configuration.reserved_percentage,
'QoS_support': False,
'vendor_name': "Open Source",
'driver_version': self.drv.VERSION,
'storage_protocol': 'unknown',
'volume_backend_name': 'BlockDeviceDriver',
})
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 = {'id': '1',
'size': 1,
'provider_location': '1 2 3 /dev/loop1'}
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_device_size',
return_value=1) as gds_mocked:
with mock.patch.object(self.drv, 'local_path',
return_value='/dev/loop1') as \
lp_mocked:
volutils.copy_volume('/dev/loop1', fasd_mocked, 2048,
mock.sentinel,
execute=self.drv._execute)
self.assertEqual(self.drv.create_cloned_volume(
TEST_VOLUME, TEST_SRC),
{'provider_location': '/dev/loop2'})
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')
@mock.patch.object(cinder.image.image_utils, 'fetch_to_raw')
def test_copy_image_to_volume(self, _fetch_to_raw):
TEST_VOLUME = {'provider_location': '1 2 3 /dev/loop1', 'size': 1}
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': '1 2 3 /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)
_local_path.assert_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': '1 2 3 /dev/loop1'}
TEST_VOLUME2 = {'host': 'localhost',
'provider_location': '1 2 3 /dev/loop2'}
def fake_local_path(vol):
return vol['provider_location'].split()[-1]
with mock.patch.object(api, 'volume_get_all_by_host',
return_value=[TEST_VOLUME1, TEST_VOLUME2]):
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(self.drv._get_used_devices(),
set([path1, path2]))
def test_get_device_size(self):
dev_path = '/dev/loop1'
out = '2048'
with mock.patch.object(self.drv,
'_execute',
return_value=(out, None)) as _execute:
self.assertEqual(self.drv._get_device_size(dev_path), 1)
_execute.assert_called_once_with('blockdev', '--getsz', dev_path,
run_as_root=True)
def test_devices_sizes(self):
with mock.patch.object(self.drv, '_get_device_size') as _get_dvc_size:
_get_dvc_size.return_value = 1
self.assertEqual(self.drv._devices_sizes(),
{'/dev/loop1': 1, '/dev/loop2': 1})
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': 1024,
'/dev/loop2': 1024}
_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 = 2
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': 1024}
_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(self.drv.find_appropriate_size_device(size),
'/dev/loop2')
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 = BlockDeviceDriver(configuration=self.configuration,
host='localhost')
def test_initialize_connection(self):
TEST_VOLUME1 = {
'host': 'localhost1',
'provider_location': '1 2 3 /dev/loop1',
'provider_auth': 'a b c',
'attached_mode': 'rw',
'id': 'fake-uuid'
}
TEST_CONNECTOR = {'host': 'localhost1'}
data = self.drv.initialize_connection(TEST_VOLUME1, TEST_CONNECTOR)
expected_data = {
'data': {
'auth_method': 'a',
'auth_password': '******',
'auth_username': '******',
'encrypted': False,
'target_discovered': False,
'target_iqn': '2',
'target_lun': 3,
'target_portal': '1',
'volume_id': 'fake-uuid'
},
'driver_volume_type': 'iscsi'
}
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 = {
'host': 'localhost2',
'provider_location': '1 2 3 /dev/loop2',
'provider_auth': 'd e f',
'attached_mode': 'rw',
'id': 'fake-uuid-2'
}
_init_conn.return_value = 'data'
data = self.drv.initialize_connection(TEST_VOLUME2, TEST_CONNECTOR)
expected_data = {
'data': {
'auth_method': 'd',
'auth_password': '******',
'auth_username': '******',
'encrypted': False,
'target_discovered': False,
'target_iqn': '2',
'target_lun': 3,
'target_portal': '1',
'volume_id': 'fake-uuid-2'
}
}
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 = {'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_VOLUME1 = {'provider_location': '1 2 3 /dev/loop1'}
with mock.patch.object(self.drv,
'local_path',
return_value='/dev/loop1') as lp_mocked:
with mock.patch.object(self.drv,
'_get_device_size',
return_value=1024) as gds_mocked:
volutils.clear_volume(gds_mocked, lp_mocked)
self.drv.delete_volume(TEST_VOLUME1)
lp_mocked.assert_called_once_with(TEST_VOLUME1)
gds_mocked.assert_called_once_with('/dev/loop1')
_exists.assert_called_anytime()
_clear_volume.assert_called_anytime()
def test_delete_path_is_not_in_list_of_available_devices(self):
TEST_VOLUME2 = {'provider_location': '1 2 3 /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_create_volume(self):
TEST_VOLUME = {'size': 1, 'name': 'vol1'}
with mock.patch.object(self.drv,
'find_appropriate_size_device',
return_value='dev_path') as fasd_mocked:
result = self.drv.create_volume(TEST_VOLUME)
self.assertEqual(result, {'provider_location': 'dev_path'})
fasd_mocked.assert_called_once_with(TEST_VOLUME['size'])
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()
self.assertEqual(
self.drv._stats, {
'total_capacity_gb': 2,
'free_capacity_gb': 2,
'reserved_percentage':
self.configuration.reserved_percentage,
'QoS_support': False,
'vendor_name': "Open Source",
'driver_version': self.drv.VERSION,
'storage_protocol': 'unknown',
'volume_backend_name': 'BlockDeviceDriver',
})
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 = {
'id': '1',
'size': 1,
'provider_location': '1 2 3 /dev/loop1'
}
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_device_size',
return_value=1) as gds_mocked:
with mock.patch.object(self.drv, 'local_path',
return_value='/dev/loop1') as \
lp_mocked:
volutils.copy_volume('/dev/loop1',
fasd_mocked,
2048,
mock.sentinel,
execute=self.drv._execute)
self.assertEqual(
self.drv.create_cloned_volume(TEST_VOLUME, TEST_SRC),
{'provider_location': '/dev/loop2'})
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')
@mock.patch.object(cinder.image.image_utils, 'fetch_to_raw')
def test_copy_image_to_volume(self, _fetch_to_raw):
TEST_VOLUME = {'provider_location': '1 2 3 /dev/loop1', 'size': 1}
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': '1 2 3 /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)
_local_path.assert_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': '1 2 3 /dev/loop1'
}
TEST_VOLUME2 = {
'host': 'localhost',
'provider_location': '1 2 3 /dev/loop2'
}
def fake_local_path(vol):
return vol['provider_location'].split()[-1]
with mock.patch.object(api,
'volume_get_all_by_host',
return_value=[TEST_VOLUME1, TEST_VOLUME2]):
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(self.drv._get_used_devices(),
set([path1, path2]))
def test_get_device_size(self):
dev_path = '/dev/loop1'
out = '2048'
with mock.patch.object(self.drv, '_execute',
return_value=(out, None)) as _execute:
self.assertEqual(self.drv._get_device_size(dev_path), 1)
_execute.assert_called_once_with('blockdev',
'--getsz',
dev_path,
run_as_root=True)
def test_devices_sizes(self):
with mock.patch.object(self.drv, '_get_device_size') as _get_dvc_size:
_get_dvc_size.return_value = 1
self.assertEqual(self.drv._devices_sizes(), {
'/dev/loop1': 1,
'/dev/loop2': 1
})
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': 1024,
'/dev/loop2': 1024
}
_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 = 2
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': 1024
}
_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(self.drv.find_appropriate_size_device(size),
'/dev/loop2')