class GPFSDriverTestCase(test.TestCase):
driver_name = "cinder.volume.drivers.gpfs.GPFSDriver"
context = context.get_admin_context()
def _execute_wrapper(self, cmd, *args, **kwargs):
try:
kwargs.pop('run_as_root')
except KeyError:
pass
return utils.execute(cmd, *args, **kwargs)
def setUp(self):
super(GPFSDriverTestCase, self).setUp()
self.volumes_path = tempfile.mkdtemp(prefix="gpfs_")
self.images_dir = '%s/images' % self.volumes_path
if not os.path.exists(self.volumes_path):
os.mkdir(self.volumes_path)
if not os.path.exists(self.images_dir):
os.mkdir(self.images_dir)
self.image_id = '70a599e0-31e7-49b7-b260-868f441e862b'
self.driver = GPFSDriver(configuration=conf.Configuration(None))
self.driver.set_execute(self._execute_wrapper)
self.flags(volume_driver=self.driver_name,
gpfs_mount_point_base=self.volumes_path)
self.volume = importutils.import_object(CONF.volume_manager)
self.volume.driver.set_execute(self._execute_wrapper)
self.volume.driver.set_initialized()
self.volume.stats = dict(allocated_capacity_gb=0)
self.stubs.Set(GPFSDriver, '_create_gpfs_snap',
self._fake_gpfs_snap)
self.stubs.Set(GPFSDriver, '_create_gpfs_copy',
self._fake_gpfs_copy)
self.stubs.Set(GPFSDriver, '_gpfs_redirect',
self._fake_gpfs_redirect)
self.stubs.Set(GPFSDriver, '_is_gpfs_parent_file',
self._fake_is_gpfs_parent)
self.stubs.Set(GPFSDriver, '_is_gpfs_path',
self._fake_is_gpfs_path)
self.stubs.Set(GPFSDriver, '_delete_gpfs_file',
self._fake_delete_gpfs_file)
self.stubs.Set(GPFSDriver, '_create_sparse_file',
self._fake_create_sparse_file)
self.stubs.Set(GPFSDriver, '_allocate_file_blocks',
self._fake_allocate_file_blocks)
self.stubs.Set(GPFSDriver, '_get_available_capacity',
self._fake_get_available_capacity)
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_qcow2_image_info)
self.stubs.Set(image_utils, 'convert_image',
self._fake_convert_image)
self.stubs.Set(image_utils, 'resize_image',
self._fake_qemu_image_resize)
self.context = context.get_admin_context()
self.context.user_id = 'fake'
self.context.project_id = 'fake'
CONF.gpfs_images_dir = self.images_dir
def tearDown(self):
try:
os.rmdir(self.images_dir)
os.rmdir(self.volumes_path)
except OSError:
pass
super(GPFSDriverTestCase, self).tearDown()
def test_create_delete_volume_full_backing_file(self):
"""Create and delete vol with full creation method."""
CONF.gpfs_sparse_volumes = False
vol = test_utils.create_volume(self.context, host=CONF.host)
volume_id = vol['id']
self.assertTrue(os.path.exists(self.volumes_path))
self.volume.create_volume(self.context, volume_id)
path = self.volumes_path + '/' + vol['name']
self.assertTrue(os.path.exists(path))
self.volume.delete_volume(self.context, volume_id)
self.assertFalse(os.path.exists(path))
def test_create_delete_volume_sparse_backing_file(self):
"""Create and delete vol with default sparse creation method."""
CONF.gpfs_sparse_volumes = True
vol = test_utils.create_volume(self.context, host=CONF.host)
volume_id = vol['id']
self.assertTrue(os.path.exists(self.volumes_path))
self.volume.create_volume(self.context, volume_id)
path = self.volumes_path + '/' + vol['name']
self.assertTrue(os.path.exists(path))
self.volume.delete_volume(self.context, volume_id)
self.assertFalse(os.path.exists(path))
def test_create_volume_with_attributes(self):
self.stubs.Set(GPFSDriver, '_gpfs_change_attributes',
self._fake_gpfs_change_attributes)
attributes = {'dio': 'yes', 'data_pool_name': 'ssd_pool',
'replicas': '2', 'write_affinity_depth': '1',
'block_group_factor': '1',
'write_affinity_failure-group':
'1,1,1:2;2,1,1:2;2,0,3:4'}
vol = test_utils.create_volume(self.context, host=CONF.host,
metadata=attributes)
volume_id = vol['id']
self.assertTrue(os.path.exists(self.volumes_path))
self.volume.create_volume(self.context, volume_id)
path = self.volumes_path + '/' + vol['name']
self.assertTrue(os.path.exists(path))
self.volume.delete_volume(self.context, volume_id)
self.assertFalse(os.path.exists(path))
def test_migrate_volume(self):
"""Test volume migration done by driver."""
loc = 'GPFSDriver:cindertest:openstack'
cap = {'location_info': loc}
host = {'host': 'foo', 'capabilities': cap}
volume = test_utils.create_volume(self.context, host=CONF.host)
self.driver.create_volume(volume)
self.driver.migrate_volume(self.context, volume, host)
self.driver.delete_volume(volume)
def _create_snapshot(self, volume_id, size='0'):
"""Create a snapshot object."""
snap = {}
snap['volume_size'] = size
snap['user_id'] = 'fake'
snap['project_id'] = 'fake'
snap['volume_id'] = volume_id
snap['status'] = "creating"
return db.snapshot_create(context.get_admin_context(), snap)
def test_create_delete_snapshot(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
snapCount = len(db.snapshot_get_all_for_volume(self.context,
volume_src['id']))
self.assertEqual(snapCount, 0)
snapshot = self._create_snapshot(volume_src['id'])
snapshot_id = snapshot['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
self.assertTrue(os.path.exists(os.path.join(self.volumes_path,
snapshot['name'])))
snapCount = len(db.snapshot_get_all_for_volume(self.context,
volume_src['id']))
self.assertEqual(snapCount, 1)
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_src['id'])
self.assertFalse(os.path.exists(os.path.join(self.volumes_path,
snapshot['name'])))
snapCount = len(db.snapshot_get_all_for_volume(self.context,
volume_src['id']))
self.assertEqual(snapCount, 0)
def test_create_volume_from_snapshot(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
snapshot = self._create_snapshot(volume_src['id'])
snapshot_id = snapshot['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
self.assertTrue(os.path.exists(os.path.join(self.volumes_path,
snapshot['name'])))
volume_dst = test_utils.create_volume(self.context, host=CONF.host,
snapshot_id=snapshot_id)
self.volume.create_volume(self.context, volume_dst['id'], snapshot_id)
self.assertEqual(volume_dst['id'], db.volume_get(
context.get_admin_context(),
volume_dst['id']).id)
self.assertEqual(snapshot_id, db.volume_get(
context.get_admin_context(),
volume_dst['id']).snapshot_id)
self.volume.delete_volume(self.context, volume_dst['id'])
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_src['id'])
def test_create_cloned_volume(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
volume_dst = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume_dst['name'])
self.assertFalse(os.path.exists(volumepath))
self.driver.create_cloned_volume(volume_dst, volume_src)
self.assertEqual(volume_dst['id'], db.volume_get(
context.get_admin_context(),
volume_dst['id']).id)
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume_src['id'])
self.volume.delete_volume(self.context, volume_dst['id'])
def test_create_volume_from_snapshot_method(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
snapshot = self._create_snapshot(volume_src['id'])
snapshot_id = snapshot['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
volume_dst = test_utils.create_volume(self.context, host=CONF.host)
self.driver.create_volume_from_snapshot(volume_dst, snapshot)
self.assertEqual(volume_dst['id'], db.volume_get(
context.get_admin_context(),
volume_dst['id']).id)
volumepath = os.path.join(self.volumes_path, volume_dst['name'])
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_dst['id'])
self.volume.delete_volume(self.context, volume_src['id'])
def test_clone_image_to_volume_with_copy_on_write_mode(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using copy_on_write image sharing mode.
"""
# specify image file format is raw
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_raw_image_info)
volume = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume['name'])
CONF.gpfs_images_share_mode = 'copy_on_write'
self.driver.clone_image(volume,
None,
self.image_id,
{})
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume['id'])
self.assertFalse(os.path.exists(volumepath))
def test_clone_image_to_volume_with_copy_mode(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using copy image sharing mode.
"""
# specify image file format is raw
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_raw_image_info)
volume = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume['name'])
CONF.gpfs_images_share_mode = 'copy'
self.driver.clone_image(volume,
None,
self.image_id,
{})
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume['id'])
def test_copy_image_to_volume_with_non_gpfs_image_dir(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using a non gpfs glance images directory
"""
# specify image file format is raw
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_raw_image_info)
for share_mode in ['copy_on_write', 'copy']:
volume = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume['name'])
CONF.gpfs_images_share_mode = share_mode
CONF.gpfs_images_dir = None
self.driver.copy_image_to_volume(self.context,
volume,
FakeImageService(),
self.image_id)
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume['id'])
def test_copy_image_to_volume_with_illegal_image_format(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using an illegal image file format
"""
# specify image file format is qcow2
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_qcow2_image_info)
volume = test_utils.create_volume(self.context, host=CONF.host)
CONF.gpfs_images_share_mode = 'copy'
CONF.gpfs_images_dir = self.images_dir
self.assertRaises(exception.ImageUnacceptable,
self.driver.copy_image_to_volume,
self.context,
volume,
FakeImageService(),
self.image_id)
self.volume.delete_volume(self.context, volume['id'])
def test_get_volume_stats(self):
stats = self.driver.get_volume_stats()
self.assertEqual(stats['volume_backend_name'], 'GPFS')
self.assertEqual(stats['storage_protocol'], 'file')
def test_extend_volume(self):
new_vol_size = 15
mox = mox_lib.Mox()
volume = test_utils.create_volume(self.context, host=CONF.host)
volpath = os.path.join(self.volumes_path, volume['name'])
qemu_img_info_output = """image: %s
file format: raw
virtual size: %sG (%s bytes)
backing file: %s
""" % (volume['name'], new_vol_size, new_vol_size * units.GiB, volpath)
mox.StubOutWithMock(image_utils, 'resize_image')
image_utils.resize_image(volpath, new_vol_size)
mox.StubOutWithMock(image_utils, 'qemu_img_info')
img_info = imageutils.QemuImgInfo(qemu_img_info_output)
image_utils.qemu_img_info(volpath).AndReturn(img_info)
mox.ReplayAll()
self.driver.extend_volume(volume, new_vol_size)
mox.VerifyAll()
def test_extend_volume_with_failure(self):
new_vol_size = 15
mox = mox_lib.Mox()
volume = test_utils.create_volume(self.context, host=CONF.host)
volpath = os.path.join(self.volumes_path, volume['name'])
mox.StubOutWithMock(image_utils, 'resize_image')
image_utils.resize_image(volpath, new_vol_size).AndRaise(
processutils.ProcessExecutionError('error'))
mox.ReplayAll()
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.extend_volume, volume, new_vol_size)
mox.VerifyAll()
def test_check_for_setup_error_ok(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_compatible_cluster_release_level)
self.stubs.Set(GPFSDriver, '_get_gpfs_filesystem_release_level',
self._fake_gpfs_compatible_filesystem_release_level)
self.driver.check_for_setup_error()
def test_check_for_setup_error_gpfs_not_active(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_not_active)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def test_check_for_setup_error_not_gpfs_path(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_is_gpfs_path',
self._fake_is_not_gpfs_path)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_compatible_cluster_release_level)
self.stubs.Set(GPFSDriver, '_get_gpfs_filesystem_release_level',
self._fake_gpfs_compatible_filesystem_release_level)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def test_check_for_setup_error_incompatible_cluster_version(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_incompatible_cluster_release_level)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def test_check_for_setup_error_incompatible_filesystem_version(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_compatible_cluster_release_level)
self.stubs.Set(GPFSDriver, '_get_gpfs_filesystem_release_level',
self._fake_gpfs_incompatible_filesystem_release_level)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def _fake_create_file(self, path, modebits='666'):
open(path, 'w').close()
utils.execute('chmod', modebits, path)
def _fake_gpfs_snap(self, src, dest=None, modebits='644'):
if dest is None:
dest = src
self._fake_create_file(dest, '644')
def _fake_gpfs_copy(self, src, dest):
self._fake_create_file(dest)
def _fake_create_sparse_file(self, path, size):
self._fake_create_file(path)
def _fake_allocate_file_blocks(self, path, size):
self._fake_create_file(path)
def _fake_gpfs_change_attributes(self, options, path):
pass
def _fake_gpfs_redirect(self, src):
return True
def _fake_is_gpfs_parent(self, gpfs_file):
return False
def _fake_get_available_capacity(self, path):
fake_avail = 80 * units.GiB
fake_size = 2 * fake_avail
return fake_avail, fake_size
def _fake_gpfs_get_state_active(self):
active_txt = ('mmgetstate::HEADER:version:reserved:reserved:'
'nodeName:nodeNumber:state:quorum:nodesUp:totalNodes:'
'remarks:cnfsState:\n'
'mmgetstate::0:1:::hostname:1:active:1:1:'
'1:quorum node:(undefined):')
return active_txt
def _fake_gpfs_get_state_not_active(self):
inactive_txt = ('mmgetstate::HEADER:version:reserved:reserved:'
'nodeName:nodeNumber:state:quorum:nodesUp:totalNodes:'
'remarks:cnfsState:\n'
'mmgetstate::0:1:::hostname:1:down:1:1:'
'1:quorum node:(undefined):')
return inactive_txt
def _fake_gpfs_compatible_cluster_release_level(self):
release = 1400
return release
def _fake_gpfs_incompatible_cluster_release_level(self):
release = 1105
return release
def _fake_gpfs_compatible_filesystem_release_level(self, path=None):
release = 1400
fs = '/dev/gpfs'
return fs, release
def _fake_gpfs_incompatible_filesystem_release_level(self, path=None):
release = 1105
fs = '/dev/gpfs'
return fs, release
def _fake_is_gpfs_path(self, path):
pass
def _fake_is_not_gpfs_path(self, path):
raise(processutils.ProcessExecutionError('invalid gpfs path'))
def _fake_convert_image(self, source, dest, out_format):
utils.execute('cp', source, dest)
def _fake_qemu_qcow2_image_info(self, path):
data = FakeQemuImgInfo()
data.file_format = 'qcow2'
data.backing_file = None
data.virtual_size = 1 * units.GiB
return data
def _fake_qemu_raw_image_info(self, path):
data = FakeQemuImgInfo()
data.file_format = 'raw'
data.backing_file = None
data.virtual_size = 1 * units.GiB
return data
def _fake_qemu_image_resize(self, path, size):
LOG.info('wtf')
pass
def _fake_delete_gpfs_file(self, fchild):
volume_path = fchild
vol_name = os.path.basename(fchild)
vol_id = vol_name.split('volume-').pop()
utils.execute('rm', '-f', volume_path)
utils.execute('rm', '-f', volume_path + '.snap')
all_snaps = db.snapshot_get_all_for_volume(self.context, vol_id)
for snap in all_snaps:
snap_path = self.volumes_path + '/' + snap['name']
utils.execute('rm', '-f', snap_path)
class GPFSDriverTestCase(test.TestCase):
driver_name = "cinder.volume.drivers.gpfs.GPFSDriver"
context = context.get_admin_context()
def _execute_wrapper(self, cmd, *args, **kwargs):
try:
kwargs.pop('run_as_root')
except KeyError:
pass
return utils.execute(cmd, *args, **kwargs)
def setUp(self):
super(GPFSDriverTestCase, self).setUp()
self.volumes_path = tempfile.mkdtemp(prefix="gpfs_")
self.images_dir = '%s/images' % self.volumes_path
if not os.path.exists(self.volumes_path):
os.mkdir(self.volumes_path)
if not os.path.exists(self.images_dir):
os.mkdir(self.images_dir)
self.image_id = '70a599e0-31e7-49b7-b260-868f441e862b'
self.driver = GPFSDriver(configuration=conf.Configuration(None))
self.driver.set_execute(self._execute_wrapper)
self.flags(volume_driver=self.driver_name,
gpfs_mount_point_base=self.volumes_path)
self.volume = importutils.import_object(CONF.volume_manager)
self.volume.driver.set_execute(self._execute_wrapper)
self.volume.driver.set_initialized()
self.stubs.Set(GPFSDriver, '_create_gpfs_snap', self._fake_gpfs_snap)
self.stubs.Set(GPFSDriver, '_create_gpfs_copy', self._fake_gpfs_copy)
self.stubs.Set(GPFSDriver, '_gpfs_redirect', self._fake_gpfs_redirect)
self.stubs.Set(GPFSDriver, '_is_gpfs_parent_file',
self._fake_is_gpfs_parent)
self.stubs.Set(GPFSDriver, '_is_gpfs_path', self._fake_is_gpfs_path)
self.stubs.Set(GPFSDriver, '_delete_gpfs_file',
self._fake_delete_gpfs_file)
self.stubs.Set(GPFSDriver, '_create_sparse_file',
self._fake_create_sparse_file)
self.stubs.Set(GPFSDriver, '_allocate_file_blocks',
self._fake_allocate_file_blocks)
self.stubs.Set(GPFSDriver, '_get_available_capacity',
self._fake_get_available_capacity)
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_qcow2_image_info)
self.stubs.Set(image_utils, 'convert_image', self._fake_convert_image)
self.stubs.Set(image_utils, 'resize_image',
self._fake_qemu_image_resize)
self.context = context.get_admin_context()
self.context.user_id = 'fake'
self.context.project_id = 'fake'
CONF.gpfs_images_dir = self.images_dir
def tearDown(self):
try:
os.rmdir(self.images_dir)
os.rmdir(self.volumes_path)
except OSError:
pass
super(GPFSDriverTestCase, self).tearDown()
def test_create_delete_volume_full_backing_file(self):
"""create and delete vol with full creation method"""
CONF.gpfs_sparse_volumes = False
vol = test_utils.create_volume(self.context, host=CONF.host)
volume_id = vol['id']
self.assertTrue(os.path.exists(self.volumes_path))
self.volume.create_volume(self.context, volume_id)
path = self.volumes_path + '/' + vol['name']
self.assertTrue(os.path.exists(path))
self.volume.delete_volume(self.context, volume_id)
self.assertFalse(os.path.exists(path))
def test_create_delete_volume_sparse_backing_file(self):
"""create and delete vol with default sparse creation method"""
CONF.gpfs_sparse_volumes = True
vol = test_utils.create_volume(self.context, host=CONF.host)
volume_id = vol['id']
self.assertTrue(os.path.exists(self.volumes_path))
self.volume.create_volume(self.context, volume_id)
path = self.volumes_path + '/' + vol['name']
self.assertTrue(os.path.exists(path))
self.volume.delete_volume(self.context, volume_id)
self.assertFalse(os.path.exists(path))
def test_create_volume_with_attributes(self):
self.stubs.Set(GPFSDriver, '_gpfs_change_attributes',
self._fake_gpfs_change_attributes)
attributes = {
'dio': 'yes',
'data_pool_name': 'ssd_pool',
'replicas': '2',
'write_affinity_depth': '1',
'block_group_factor': '1',
'write_affinity_failure-group': '1,1,1:2;2,1,1:2;2,0,3:4'
}
vol = test_utils.create_volume(self.context,
host=CONF.host,
metadata=attributes)
volume_id = vol['id']
self.assertTrue(os.path.exists(self.volumes_path))
self.volume.create_volume(self.context, volume_id)
path = self.volumes_path + '/' + vol['name']
self.assertTrue(os.path.exists(path))
self.volume.delete_volume(self.context, volume_id)
self.assertFalse(os.path.exists(path))
def test_migrate_volume(self):
"""Test volume migration done by driver."""
loc = 'GPFSDriver:cindertest:openstack'
cap = {'location_info': loc}
host = {'host': 'foo', 'capabilities': cap}
volume = test_utils.create_volume(self.context, host=CONF.host)
self.driver.create_volume(volume)
self.driver.migrate_volume(self.context, volume, host)
self.driver.delete_volume(volume)
def _create_snapshot(self, volume_id, size='0'):
"""Create a snapshot object."""
snap = {}
snap['volume_size'] = size
snap['user_id'] = 'fake'
snap['project_id'] = 'fake'
snap['volume_id'] = volume_id
snap['status'] = "creating"
return db.snapshot_create(context.get_admin_context(), snap)
def test_create_delete_snapshot(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
snapCount = len(
db.snapshot_get_all_for_volume(self.context, volume_src['id']))
self.assertEqual(snapCount, 0)
snapshot = self._create_snapshot(volume_src['id'])
snapshot_id = snapshot['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
self.assertTrue(
os.path.exists(os.path.join(self.volumes_path, snapshot['name'])))
snapCount = len(
db.snapshot_get_all_for_volume(self.context, volume_src['id']))
self.assertEqual(snapCount, 1)
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_src['id'])
self.assertFalse(
os.path.exists(os.path.join(self.volumes_path, snapshot['name'])))
snapCount = len(
db.snapshot_get_all_for_volume(self.context, volume_src['id']))
self.assertEqual(snapCount, 0)
def test_create_volume_from_snapshot(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
snapshot = self._create_snapshot(volume_src['id'])
snapshot_id = snapshot['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
self.assertTrue(
os.path.exists(os.path.join(self.volumes_path, snapshot['name'])))
volume_dst = test_utils.create_volume(self.context,
host=CONF.host,
snapshot_id=snapshot_id)
self.volume.create_volume(self.context, volume_dst['id'], snapshot_id)
self.assertEqual(
volume_dst['id'],
db.volume_get(context.get_admin_context(), volume_dst['id']).id)
self.assertEqual(
snapshot_id,
db.volume_get(context.get_admin_context(),
volume_dst['id']).snapshot_id)
self.volume.delete_volume(self.context, volume_dst['id'])
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_src['id'])
def test_create_cloned_volume(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
volume_dst = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume_dst['name'])
self.assertFalse(os.path.exists(volumepath))
self.driver.create_cloned_volume(volume_dst, volume_src)
self.assertEqual(
volume_dst['id'],
db.volume_get(context.get_admin_context(), volume_dst['id']).id)
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume_src['id'])
self.volume.delete_volume(self.context, volume_dst['id'])
def test_create_volume_from_snapshot_method(self):
volume_src = test_utils.create_volume(self.context, host=CONF.host)
self.volume.create_volume(self.context, volume_src['id'])
snapshot = self._create_snapshot(volume_src['id'])
snapshot_id = snapshot['id']
self.volume.create_snapshot(self.context, volume_src['id'],
snapshot_id)
volume_dst = test_utils.create_volume(self.context, host=CONF.host)
self.driver.create_volume_from_snapshot(volume_dst, snapshot)
self.assertEqual(
volume_dst['id'],
db.volume_get(context.get_admin_context(), volume_dst['id']).id)
volumepath = os.path.join(self.volumes_path, volume_dst['name'])
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_snapshot(self.context, snapshot_id)
self.volume.delete_volume(self.context, volume_dst['id'])
self.volume.delete_volume(self.context, volume_src['id'])
def test_clone_image_to_volume_with_copy_on_write_mode(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using copy_on_write image sharing mode.
"""
# specify image file format is raw
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_raw_image_info)
volume = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume['name'])
CONF.gpfs_images_share_mode = 'copy_on_write'
self.driver.clone_image(volume, None, self.image_id)
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume['id'])
self.assertFalse(os.path.exists(volumepath))
def test_clone_image_to_volume_with_copy_mode(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using copy image sharing mode.
"""
# specify image file format is raw
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_raw_image_info)
volume = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume['name'])
CONF.gpfs_images_share_mode = 'copy'
self.driver.clone_image(volume, None, self.image_id)
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume['id'])
def test_copy_image_to_volume_with_non_gpfs_image_dir(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using a non gpfs glance images directory
"""
# specify image file format is raw
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_raw_image_info)
for share_mode in ['copy_on_write', 'copy']:
volume = test_utils.create_volume(self.context, host=CONF.host)
volumepath = os.path.join(self.volumes_path, volume['name'])
CONF.gpfs_images_share_mode = share_mode
CONF.gpfs_images_dir = None
self.driver.copy_image_to_volume(self.context, volume,
FakeImageService(), self.image_id)
self.assertTrue(os.path.exists(volumepath))
self.volume.delete_volume(self.context, volume['id'])
def test_copy_image_to_volume_with_illegal_image_format(self):
"""Test the function of copy_image_to_volume
focusing on the integretion of the image_util
using an illegal image file format
"""
# specify image file format is qcow2
self.stubs.Set(image_utils, 'qemu_img_info',
self._fake_qemu_qcow2_image_info)
volume = test_utils.create_volume(self.context, host=CONF.host)
CONF.gpfs_images_share_mode = 'copy'
CONF.gpfs_images_dir = self.images_dir
self.assertRaises(exception.ImageUnacceptable,
self.driver.copy_image_to_volume, self.context,
volume, FakeImageService(), self.image_id)
self.volume.delete_volume(self.context, volume['id'])
def test_get_volume_stats(self):
stats = self.driver.get_volume_stats()
self.assertEqual(stats['volume_backend_name'], 'GPFS')
self.assertEqual(stats['storage_protocol'], 'file')
def test_extend_volume(self):
new_vol_size = 15
mox = mox_lib.Mox()
volume = test_utils.create_volume(self.context, host=CONF.host)
volpath = os.path.join(self.volumes_path, volume['name'])
qemu_img_info_output = """image: %s
file format: raw
virtual size: %sG (%s bytes)
backing file: %s
""" % (volume['name'], new_vol_size, new_vol_size * units.GiB, volpath)
mox.StubOutWithMock(image_utils, 'resize_image')
image_utils.resize_image(volpath, new_vol_size)
mox.StubOutWithMock(image_utils, 'qemu_img_info')
img_info = imageutils.QemuImgInfo(qemu_img_info_output)
image_utils.qemu_img_info(volpath).AndReturn(img_info)
mox.ReplayAll()
self.driver.extend_volume(volume, new_vol_size)
mox.VerifyAll()
def test_extend_volume_with_failure(self):
new_vol_size = 15
mox = mox_lib.Mox()
volume = test_utils.create_volume(self.context, host=CONF.host)
volpath = os.path.join(self.volumes_path, volume['name'])
mox.StubOutWithMock(image_utils, 'resize_image')
image_utils.resize_image(volpath, new_vol_size).AndRaise(
processutils.ProcessExecutionError('error'))
mox.ReplayAll()
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.extend_volume, volume, new_vol_size)
mox.VerifyAll()
def test_check_for_setup_error_ok(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_compatible_cluster_release_level)
self.stubs.Set(GPFSDriver, '_get_gpfs_filesystem_release_level',
self._fake_gpfs_compatible_filesystem_release_level)
self.driver.check_for_setup_error()
def test_check_for_setup_error_gpfs_not_active(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_not_active)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def test_check_for_setup_error_not_gpfs_path(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_is_gpfs_path',
self._fake_is_not_gpfs_path)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_compatible_cluster_release_level)
self.stubs.Set(GPFSDriver, '_get_gpfs_filesystem_release_level',
self._fake_gpfs_compatible_filesystem_release_level)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def test_check_for_setup_error_incompatible_cluster_version(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_incompatible_cluster_release_level)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def test_check_for_setup_error_incompatible_filesystem_version(self):
self.stubs.Set(GPFSDriver, '_get_gpfs_state',
self._fake_gpfs_get_state_active)
self.stubs.Set(GPFSDriver, '_get_gpfs_cluster_release_level',
self._fake_gpfs_compatible_cluster_release_level)
self.stubs.Set(GPFSDriver, '_get_gpfs_filesystem_release_level',
self._fake_gpfs_incompatible_filesystem_release_level)
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.check_for_setup_error)
def _fake_create_file(self, path, modebits='666'):
open(path, 'w').close()
utils.execute('chmod', modebits, path)
def _fake_gpfs_snap(self, src, dest=None, modebits='644'):
if dest is None:
dest = src
self._fake_create_file(dest, '644')
def _fake_gpfs_copy(self, src, dest):
self._fake_create_file(dest)
def _fake_create_sparse_file(self, path, size):
self._fake_create_file(path)
def _fake_allocate_file_blocks(self, path, size):
self._fake_create_file(path)
def _fake_gpfs_change_attributes(self, options, path):
pass
def _fake_gpfs_redirect(self, src):
return True
def _fake_is_gpfs_parent(self, gpfs_file):
return False
def _fake_get_available_capacity(self, path):
fake_avail = 80 * units.GiB
fake_size = 2 * fake_avail
return fake_avail, fake_size
def _fake_gpfs_get_state_active(self):
active_txt = ('mmgetstate::HEADER:version:reserved:reserved:'
'nodeName:nodeNumber:state:quorum:nodesUp:totalNodes:'
'remarks:cnfsState:\n'
'mmgetstate::0:1:::hostname:1:active:1:1:'
'1:quorum node:(undefined):')
return active_txt
def _fake_gpfs_get_state_not_active(self):
inactive_txt = ('mmgetstate::HEADER:version:reserved:reserved:'
'nodeName:nodeNumber:state:quorum:nodesUp:totalNodes:'
'remarks:cnfsState:\n'
'mmgetstate::0:1:::hostname:1:down:1:1:'
'1:quorum node:(undefined):')
return inactive_txt
def _fake_gpfs_compatible_cluster_release_level(self):
release = 1400
return release
def _fake_gpfs_incompatible_cluster_release_level(self):
release = 1105
return release
def _fake_gpfs_compatible_filesystem_release_level(self, path=None):
release = 1400
fs = '/dev/gpfs'
return fs, release
def _fake_gpfs_incompatible_filesystem_release_level(self, path=None):
release = 1105
fs = '/dev/gpfs'
return fs, release
def _fake_is_gpfs_path(self, path):
pass
def _fake_is_not_gpfs_path(self, path):
raise (processutils.ProcessExecutionError('invalid gpfs path'))
def _fake_convert_image(self, source, dest, out_format):
utils.execute('cp', source, dest)
def _fake_qemu_qcow2_image_info(self, path):
data = FakeQemuImgInfo()
data.file_format = 'qcow2'
data.backing_file = None
data.virtual_size = 1 * units.GiB
return data
def _fake_qemu_raw_image_info(self, path):
data = FakeQemuImgInfo()
data.file_format = 'raw'
data.backing_file = None
data.virtual_size = 1 * units.GiB
return data
def _fake_qemu_image_resize(self, path, size):
LOG.info('wtf')
pass
def _fake_delete_gpfs_file(self, fchild):
volume_path = fchild
vol_name = os.path.basename(fchild)
vol_id = vol_name.split('volume-').pop()
utils.execute('rm', '-f', volume_path)
utils.execute('rm', '-f', volume_path + '.snap')
all_snaps = db.snapshot_get_all_for_volume(self.context, vol_id)
for snap in all_snaps:
snap_path = self.volumes_path + '/' + snap['name']
utils.execute('rm', '-f', snap_path)