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')
