def test_event_resize_from_volumedriver(self):
"""
Test resize from volumedriver event
- Create a vDisk using the resize event
- Resize the created vDisk using the same resize event
"""
structure = Helper.build_service_structure(
{'vpools': [1],
'storagerouters': [1],
'storagedrivers': [(1, 1, 1)], # (<id>, <vpool_id>, <storagerouter_id>)
'mds_services': [(1, 1)]} # (<id>, <storagedriver_id>)
)
vpools = structure['vpools']
storagedrivers = structure['storagedrivers']
mds_service = structure['mds_services'][1]
# Create volume using resize from voldrv
device_name = '/vdisk.raw'
srclient = StorageRouterClient(vpools[1].guid, None)
mds_backend_config = Helper._generate_mdsmetadatabackendconfig([mds_service])
volume_id = srclient.create_volume(device_name, mds_backend_config, 1024 ** 4, str(storagedrivers[1].storagedriver_id))
VDiskController.resize_from_voldrv(volume_id=volume_id,
volume_size=1024 ** 4,
volume_path=device_name,
storagedriver_id=storagedrivers[1].storagedriver_id)
vdisks = VDiskList.get_vdisks()
self.assertTrue(expr=len(vdisks) == 1,
msg='Expected to find 1 vDisk in model')
self.assertEqual(first=vdisks[0].name,
second='vdisk',
msg='Volume name should be vdisk')
self.assertEqual(first=vdisks[0].volume_id,
second=volume_id,
msg='Volume ID should be {0}'.format(volume_id))
self.assertEqual(first=vdisks[0].devicename,
second=device_name,
msg='Device name should be {0}'.format(device_name))
self.assertEqual(first=vdisks[0].size,
second=1024 ** 4,
msg='Size should be 1 TiB')
# Resize volume using resize from voldrv
VDiskController.resize_from_voldrv(volume_id=volume_id,
volume_size=2 * 1024 ** 4,
volume_path=device_name,
storagedriver_id=storagedrivers[1].storagedriver_id)
vdisks = VDiskList.get_vdisks()
self.assertTrue(expr=len(vdisks) == 1,
msg='Expected to find 1 vDisk in model')
self.assertEqual(first=vdisks[0].name,
second='vdisk',
msg='Volume name should be vdisk')
self.assertEqual(first=vdisks[0].size,
second=2 * 1024 ** 4,
msg='Size should be 2 TiB')
def test_event_resize_from_volumedriver(self):
"""
Test resize from volumedriver event
- Create a vDisk using the resize event
- Resize the created vDisk using the same resize event
"""
structure = DalHelper.build_dal_structure({
'vpools': [1],
'storagerouters': [1],
'storagedrivers':
[(1, 1, 1)], # (<id>, <vpool_id>, <storagerouter_id>)
'mds_services': [(1, 1)]
} # (<id>, <storagedriver_id>)
)
vpools = structure['vpools']
storagedrivers = structure['storagedrivers']
mds_service = structure['mds_services'][1]
# Create volume using resize from voldrv
device_name = '/vdisk.raw'
srclient = StorageRouterClient(vpools[1].guid, None)
mds_backend_config = DalHelper.generate_mds_metadata_backend_config(
[mds_service])
volume_id = srclient.create_volume(
device_name, mds_backend_config, 1024**4,
str(storagedrivers[1].storagedriver_id))
VDiskController.resize_from_voldrv(
volume_id=volume_id,
volume_size=1024**4,
volume_path=device_name,
storagedriver_id=storagedrivers[1].storagedriver_id)
vdisks = VDiskList.get_vdisks()
self.assertTrue(expr=len(vdisks) == 1,
msg='Expected to find 1 vDisk in model')
self.assertEqual(first=vdisks[0].name,
second='vdisk',
msg='Volume name should be vdisk')
self.assertEqual(first=vdisks[0].volume_id,
second=volume_id,
msg='Volume ID should be {0}'.format(volume_id))
self.assertEqual(first=vdisks[0].devicename,
second=device_name,
msg='Device name should be {0}'.format(device_name))
self.assertEqual(first=vdisks[0].size,
second=1024**4,
msg='Size should be 1 TiB')
# Resize volume using resize from voldrv
VDiskController.resize_from_voldrv(
volume_id=volume_id,
volume_size=2 * 1024**4,
volume_path=device_name,
storagedriver_id=storagedrivers[1].storagedriver_id)
vdisks = VDiskList.get_vdisks()
self.assertTrue(expr=len(vdisks) == 1,
msg='Expected to find 1 vDisk in model')
self.assertEqual(first=vdisks[0].name,
second='vdisk',
msg='Volume name should be vdisk')
self.assertEqual(first=vdisks[0].size,
second=2 * 1024**4,
msg='Size should be 2 TiB')
def test_reusing_devicename(self):
"""
Validates whether the framework can handle out of sync processed events when a vDisk with the same devicename
is created and removed over and over
"""
structure = DalHelper.build_dal_structure({
'vpools': [1],
'storagerouters': [1],
'storagedrivers':
[(1, 1, 1)], # (<id>, <vpool_id>, <storagerouter_id>)
'mds_services': [(1, 1)]
} # (<id>, <storagedriver_id>)
)
vpool = structure['vpools'][1]
storagedriver = structure['storagedrivers'][1]
mds_service = structure['mds_services'][1]
# noinspection PyArgumentList
backend_config = MDSMetaDataBackendConfig([
MDSNodeConfig(address=str(mds_service.service.storagerouter.ip),
port=mds_service.service.ports[0])
])
devicename = '/test.raw'
size = 1024**3
srclient = StorageRouterClient(vpool.guid, None)
# A normal flow would be:
# * create volume, resize event,
# * delete volume, delete event,
# * create volume, resize event,
# * delete volume, delete event
# Let's test the normal flow
first_volume_id = srclient.create_volume(
devicename, backend_config, size, storagedriver.storagedriver_id)
VDiskController.resize_from_voldrv(first_volume_id, size, devicename,
storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 1)
srclient.unlink(devicename)
VDiskController.delete_from_voldrv(first_volume_id)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 0)
second_volume_id = srclient.create_volume(
devicename, backend_config, size, storagedriver.storagedriver_id)
VDiskController.resize_from_voldrv(second_volume_id, size, devicename,
storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 1)
srclient.unlink(devicename)
VDiskController.delete_from_voldrv(second_volume_id)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 0)
# Out of sync - scenario 1
first_volume_id = srclient.create_volume(
devicename, backend_config, size, storagedriver.storagedriver_id)
VDiskController.resize_from_voldrv(first_volume_id, size, devicename,
storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 1)
srclient.unlink(devicename)
second_volume_id = srclient.create_volume(
devicename, backend_config, size, storagedriver.storagedriver_id)
VDiskController.resize_from_voldrv(second_volume_id, size, devicename,
storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 2)
VDiskController.delete_from_voldrv(first_volume_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 1)
srclient.unlink(devicename)
VDiskController.delete_from_voldrv(second_volume_id)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 0)
# Out of sync - scenario 2
first_volume_id = srclient.create_volume(
devicename, backend_config, size, storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 0)
srclient.unlink(devicename)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 0)
second_volume_id = srclient.create_volume(
devicename, backend_config, size, storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 0)
VDiskController.resize_from_voldrv(first_volume_id, size, devicename,
storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 0)
VDiskController.resize_from_voldrv(second_volume_id, size, devicename,
storagedriver.storagedriver_id)
self.assertEqual(len(srclient.list_volumes()), 1)
self.assertEqual(len(vpool.vdisks), 1)
srclient.unlink(devicename)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 1)
VDiskController.delete_from_voldrv(first_volume_id)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 1)
VDiskController.delete_from_voldrv(second_volume_id)
self.assertEqual(len(srclient.list_volumes()), 0)
self.assertEqual(len(vpool.vdisks), 0)
