def _create_host(self, port_id, host_type="linux"):
"""Creates host on system with given initiator as port_id."""
LOG.info(_("Creating host with port %s."), port_id)
label = utils.convert_uuid_to_es_fmt(uuid.uuid4())
port_label = utils.convert_uuid_to_es_fmt(uuid.uuid4())
host_type = self._get_host_type_definition(host_type)
return self._client.create_host_with_port(label, host_type, port_id, port_label)
def _create_host(self, port_id, host_type='linux'):
"""Creates host on system with given initiator as port_id."""
LOG.info(_("Creating host with port %s."), port_id)
label = utils.convert_uuid_to_es_fmt(uuid.uuid4())
port_label = utils.convert_uuid_to_es_fmt(uuid.uuid4())
host_type = self._get_host_type_definition(host_type)
return self._client.create_host_with_port(label, host_type, port_id,
port_label)
def _get_latest_volume(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
for vol in self._client.list_volumes():
if vol.get('label') == label:
self._cache_volume(vol)
return self._get_cached_volume(label)
raise exception.NetAppDriverException(_("Volume %s not found."), uid)
def _get_latest_volume(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
for vol in self._client.list_volumes():
if vol.get('label') == label:
self._cache_volume(vol)
return self._get_cached_volume(label)
raise exception.NetAppDriverException(_("Volume %s not found."), uid)
def _get_volume(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
try:
return self._get_cached_volume(label)
except KeyError:
for vol in self._client.list_volumes():
if vol.get('label') == label:
self._cache_volume(vol)
break
return self._get_cached_volume(label)
def _get_volume(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
try:
return self._get_cached_volume(label)
except KeyError:
for vol in self._client.list_volumes():
if vol.get('label') == label:
self._cache_volume(vol)
break
return self._get_cached_volume(label)
def _create_snapshot_volume(self, snapshot_id):
"""Creates snapshot volume for given group with snapshot_id."""
group = self._get_cached_snapshot_grp(snapshot_id)
LOG.debug("Creating snap vol for group %s", group["label"])
image = self._get_cached_snap_grp_image(snapshot_id)
label = utils.convert_uuid_to_es_fmt(uuid.uuid4())
capacity = int(image["pitCapacity"]) / units.Gi
storage_pools = self._get_sorted_avl_storage_pools(capacity)
s_id = storage_pools[0]["volumeGroupRef"]
return self._client.create_snapshot_volume(image["pitRef"], label, group["baseVolume"], s_id)
def _create_snapshot_volume(self, snapshot_id):
"""Creates snapshot volume for given group with snapshot_id."""
group = self._get_cached_snapshot_grp(snapshot_id)
LOG.debug("Creating snap vol for group %s", group['label'])
image = self._get_cached_snap_grp_image(snapshot_id)
label = utils.convert_uuid_to_es_fmt(uuid.uuid4())
capacity = int(image['pitCapacity']) / units.Gi
storage_pools = self._get_sorted_avl_storage_pools(capacity)
s_id = storage_pools[0]['volumeGroupRef']
return self._client.create_snapshot_volume(image['pitRef'], label,
group['baseVolume'], s_id)
def create_snapshot(self, snapshot):
"""Creates a snapshot."""
snap_grp, snap_image = None, None
snapshot_name = utils.convert_uuid_to_es_fmt(snapshot["id"])
vol = self._get_volume(snapshot["volume_id"])
vol_size_gb = int(vol["totalSizeInBytes"]) / units.Gi
pools = self._get_sorted_avl_storage_pools(vol_size_gb)
try:
snap_grp = self._client.create_snapshot_group(snapshot_name, vol["volumeRef"], pools[0]["volumeGroupRef"])
self._cache_snap_grp(snap_grp)
snap_image = self._client.create_snapshot_image(snap_grp["pitGroupRef"])
self._cache_snap_img(snap_image)
LOG.info(_("Created snap grp with label %s."), snapshot_name)
except exception.NetAppDriverException:
with excutils.save_and_reraise_exception():
if snap_image is None and snap_grp:
self.delete_snapshot(snapshot)
def create_volume(self, volume):
"""Creates a volume."""
LOG.debug("create_volume on %s" % volume["host"])
# get E-series pool label as pool name
eseries_pool_label = volume_utils.extract_host(volume["host"], level="pool")
if eseries_pool_label is None:
msg = _("Pool is not available in the volume host field.")
raise exception.InvalidHost(reason=msg)
eseries_volume_label = utils.convert_uuid_to_es_fmt(volume["id"])
# get size of the requested volume creation
size_gb = int(volume["size"])
vol = self._create_volume(eseries_pool_label, eseries_volume_label, size_gb)
self._cache_volume(vol)
def create_snapshot(self, snapshot):
"""Creates a snapshot."""
snap_grp, snap_image = None, None
snapshot_name = utils.convert_uuid_to_es_fmt(snapshot['id'])
vol = self._get_volume(snapshot['volume_id'])
vol_size_gb = int(vol['totalSizeInBytes']) / units.Gi
pools = self._get_sorted_avl_storage_pools(vol_size_gb)
try:
snap_grp = self._client.create_snapshot_group(
snapshot_name, vol['volumeRef'], pools[0]['volumeGroupRef'])
self._cache_snap_grp(snap_grp)
snap_image = self._client.create_snapshot_image(
snap_grp['pitGroupRef'])
self._cache_snap_img(snap_image)
LOG.info(_("Created snap grp with label %s."), snapshot_name)
except exception.NetAppDriverException:
with excutils.save_and_reraise_exception():
if snap_image is None and snap_grp:
self.delete_snapshot(snapshot)
def create_volume(self, volume):
"""Creates a volume."""
LOG.debug('create_volume on %s' % volume['host'])
# get E-series pool label as pool name
eseries_pool_label = volume_utils.extract_host(volume['host'],
level='pool')
if eseries_pool_label is None:
msg = _("Pool is not available in the volume host field.")
raise exception.InvalidHost(reason=msg)
eseries_volume_label = utils.convert_uuid_to_es_fmt(volume['id'])
# get size of the requested volume creation
size_gb = int(volume['size'])
vol = self._create_volume(eseries_pool_label, eseries_volume_label,
size_gb)
self._cache_volume(vol)
def create_volume_from_snapshot(self, volume, snapshot):
"""Creates a volume from a snapshot."""
label = utils.convert_uuid_to_es_fmt(volume['id'])
size = volume['size']
dst_vol = self._schedule_and_create_volume(label, size)
try:
src_vol = None
src_vol = self._create_snapshot_volume(snapshot['id'])
self._copy_volume_high_prior_readonly(src_vol, dst_vol)
self._cache_volume(dst_vol)
LOG.info(_("Created volume with label %s."), label)
except exception.NetAppDriverException:
with excutils.save_and_reraise_exception():
self._client.delete_volume(dst_vol['volumeRef'])
finally:
if src_vol:
try:
self._client.delete_snapshot_volume(src_vol['id'])
except exception.NetAppDriverException as e:
LOG.error(_("Failure deleting snap vol. Error: %s."), e)
else:
LOG.warn(_("Snapshot volume not found."))
def create_volume_from_snapshot(self, volume, snapshot):
"""Creates a volume from a snapshot."""
label = utils.convert_uuid_to_es_fmt(volume['id'])
size = volume['size']
dst_vol = self._schedule_and_create_volume(label, size)
try:
src_vol = None
src_vol = self._create_snapshot_volume(snapshot['id'])
self._copy_volume_high_prior_readonly(src_vol, dst_vol)
self._cache_volume(dst_vol)
LOG.info(_("Created volume with label %s."), label)
except exception.NetAppDriverException:
with excutils.save_and_reraise_exception():
self._client.delete_volume(dst_vol['volumeRef'])
finally:
if src_vol:
try:
self._client.delete_snapshot_volume(src_vol['id'])
except exception.NetAppDriverException as e:
LOG.error(_("Failure deleting snap vol. Error: %s."), e)
else:
LOG.warn(_("Snapshot volume not found."))
def extend_volume(self, volume, new_size):
"""Extend an existing volume to the new size."""
stage_1, stage_2 = 0, 0
src_vol = self._get_volume(volume['id'])
src_label = src_vol['label']
stage_label = 'tmp-%s' % utils.convert_uuid_to_es_fmt(uuid.uuid4())
extend_vol = {'id': uuid.uuid4(), 'size': new_size}
self.create_cloned_volume(extend_vol, volume)
new_vol = self._get_volume(extend_vol['id'])
try:
stage_1 = self._client.update_volume(src_vol['id'], stage_label)
stage_2 = self._client.update_volume(new_vol['id'], src_label)
new_vol = stage_2
self._cache_volume(new_vol)
self._cache_volume(stage_1)
LOG.info(_('Extended volume with label %s.'), src_label)
except exception.NetAppDriverException:
if stage_1 == 0:
with excutils.save_and_reraise_exception():
self._client.delete_volume(new_vol['id'])
if stage_2 == 0:
with excutils.save_and_reraise_exception():
self._client.update_volume(src_vol['id'], src_label)
self._client.delete_volume(new_vol['id'])
def extend_volume(self, volume, new_size):
"""Extend an existing volume to the new size."""
stage_1, stage_2 = 0, 0
src_vol = self._get_volume(volume['id'])
src_label = src_vol['label']
stage_label = 'tmp-%s' % utils.convert_uuid_to_es_fmt(uuid.uuid4())
extend_vol = {'id': uuid.uuid4(), 'size': new_size}
self.create_cloned_volume(extend_vol, volume)
new_vol = self._get_volume(extend_vol['id'])
try:
stage_1 = self._client.update_volume(src_vol['id'], stage_label)
stage_2 = self._client.update_volume(new_vol['id'], src_label)
new_vol = stage_2
self._cache_volume(new_vol)
self._cache_volume(stage_1)
LOG.info(_('Extended volume with label %s.'), src_label)
except exception.NetAppDriverException:
if stage_1 == 0:
with excutils.save_and_reraise_exception():
self._client.delete_volume(new_vol['id'])
if stage_2 == 0:
with excutils.save_and_reraise_exception():
self._client.update_volume(src_vol['id'], src_label)
self._client.delete_volume(new_vol['id'])
def test_convert_uuid_to_es_fmt(self):
value = 'e67e931a-b2ed-4890-938b-3acc6a517fac'
result = na_utils.convert_uuid_to_es_fmt(value)
self.assertEqual(result, '4Z7JGGVS5VEJBE4LHLGGUUL7VQ')
def _get_cached_snapshot_grp(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
snap_id = self._objects['snapshots']['label_ref'][label]
return self._objects['snapshots']['ref_snap'][snap_id]
def create_volume(self, volume):
"""Creates a volume."""
label = utils.convert_uuid_to_es_fmt(volume['id'])
size_gb = int(volume['size'])
vol = self._create_volume(label, size_gb)
self._cache_volume(vol)
def _get_volume(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
try:
return self._get_cached_volume(label)
except KeyError:
return self._get_latest_volume(uid)
class NetAppEseriesIscsiDriverTestCase(test.TestCase):
"""Test case for NetApp e-series iscsi driver."""
volume = {'id': '114774fb-e15a-4fae-8ee2-c9723e3645ef', 'size': 1,
'volume_name': 'lun1', 'host': 'hostname@backend#DDP',
'os_type': 'linux', 'provider_location': 'lun1',
'id': '114774fb-e15a-4fae-8ee2-c9723e3645ef',
'provider_auth': 'provider a b', 'project_id': 'project',
'display_name': None, 'display_description': 'lun1',
'volume_type_id': None}
snapshot = {'id': '17928122-553b-4da9-9737-e5c3dcd97f75',
'volume_id': '114774fb-e15a-4fae-8ee2-c9723e3645ef',
'size': 2, 'volume_name': 'lun1',
'volume_size': 2, 'project_id': 'project',
'display_name': None, 'display_description': 'lun1',
'volume_type_id': None}
volume_sec = {'id': 'b6c01641-8955-4917-a5e3-077147478575',
'size': 2, 'volume_name': 'lun1',
'os_type': 'linux', 'provider_location': 'lun1',
'id': 'b6c01641-8955-4917-a5e3-077147478575',
'provider_auth': None, 'project_id': 'project',
'display_name': None, 'display_description': 'lun1',
'volume_type_id': None}
volume_clone = {'id': 'b4b24b27-c716-4647-b66d-8b93ead770a5', 'size': 3,
'volume_name': 'lun1',
'os_type': 'linux', 'provider_location': 'cl_sm',
'id': 'b4b24b27-c716-4647-b66d-8b93ead770a5',
'provider_auth': None,
'project_id': 'project', 'display_name': None,
'display_description': 'lun1',
'volume_type_id': None}
volume_clone_large = {'id': 'f6ef5bf5-e24f-4cbb-b4c4-11d631d6e553',
'size': 6, 'volume_name': 'lun1',
'os_type': 'linux', 'provider_location': 'cl_lg',
'id': 'f6ef5bf5-e24f-4cbb-b4c4-11d631d6e553',
'provider_auth': None,
'project_id': 'project', 'display_name': None,
'display_description': 'lun1',
'volume_type_id': None}
fake_eseries_volume_label = na_utils.convert_uuid_to_es_fmt(volume['id'])
connector = {'initiator': 'iqn.1998-01.com.vmware:localhost-28a58148'}
fake_size_gb = volume['size']
fake_eseries_pool_label = 'DDP'
def setUp(self):
super(NetAppEseriesIscsiDriverTestCase, self).setUp()
self._custom_setup()
def _custom_setup(self):
configuration = self._set_config(create_configuration())
self.driver = common.NetAppDriver(configuration=configuration)
self.mock_object(requests, 'Session', FakeEseriesHTTPSession)
self.driver.do_setup(context='context')
self.driver.check_for_setup_error()
def _set_config(self, configuration):
configuration.netapp_storage_family = 'eseries'
configuration.netapp_storage_protocol = 'iscsi'
configuration.netapp_transport_type = 'http'
configuration.netapp_server_hostname = '127.0.0.1'
configuration.netapp_server_port = '80'
configuration.netapp_webservice_path = '/devmgr/vn'
configuration.netapp_controller_ips = '127.0.0.2,127.0.0.3'
configuration.netapp_sa_password = '******'
configuration.netapp_login = '******'
configuration.netapp_password = '******'
configuration.netapp_storage_pools = 'DDP'
return configuration
def test_embedded_mode(self):
configuration = self._set_config(create_configuration())
configuration.netapp_controller_ips = '127.0.0.1,127.0.0.3'
driver = common.NetAppDriver(configuration=configuration)
driver.do_setup(context='context')
self.assertEqual(driver._client.get_system_id(),
'1fa6efb5-f07b-4de4-9f0e-52e5f7ff5d1b')
def test_check_system_pwd_not_sync(self):
def list_system():
if getattr(self, 'test_count', None):
self.test_count = 1
return {'status': 'passwordoutofsync'}
return {'status': 'needsAttention'}
self.driver._client.list_storage_system = mock.Mock(wraps=list_system)
result = self.driver._check_storage_system()
self.assertTrue(result)
def test_connect(self):
self.driver.check_for_setup_error()
def test_create_destroy(self):
self.driver.create_volume(self.volume)
self.driver.delete_volume(self.volume)
def test_create_vol_snapshot_destroy(self):
self.driver.create_volume(self.volume)
self.driver.create_snapshot(self.snapshot)
self.driver.create_volume_from_snapshot(self.volume_sec, self.snapshot)
self.driver.delete_snapshot(self.snapshot)
self.driver.delete_volume(self.volume)
def test_map_unmap(self):
self.driver.create_volume(self.volume)
connection_info = self.driver.initialize_connection(self.volume,
self.connector)
self.assertEqual(connection_info['driver_volume_type'], 'iscsi')
properties = connection_info.get('data')
self.assertIsNotNone(properties, 'Target portal is none')
self.driver.terminate_connection(self.volume, self.connector)
self.driver.delete_volume(self.volume)
def test_map_already_mapped_same_host(self):
self.driver.create_volume(self.volume)
maps = [{'lunMappingRef': 'hdkjsdhjsdh',
'mapRef': '8400000060080E500023C73400300381515BFBA3',
'volumeRef': '0200000060080E500023BB34000003FB515C2293',
'lun': 2}]
self.driver._get_host_mapping_for_vol_frm_array = mock.Mock(
return_value=maps)
self.driver._get_free_lun = mock.Mock()
info = self.driver.initialize_connection(self.volume, self.connector)
self.assertEqual(
self.driver._get_host_mapping_for_vol_frm_array.call_count, 1)
self.assertEqual(self.driver._get_free_lun.call_count, 0)
self.assertEqual(info['driver_volume_type'], 'iscsi')
properties = info.get('data')
self.assertIsNotNone(properties, 'Target portal is none')
self.driver.terminate_connection(self.volume, self.connector)
self.driver.delete_volume(self.volume)
def test_map_already_mapped_diff_host(self):
self.driver.create_volume(self.volume)
maps = [{'lunMappingRef': 'hdkjsdhjsdh',
'mapRef': '7400000060080E500023C73400300381515BFBA3',
'volumeRef': 'CFDXJ67BLJH25DXCZFZD4NSF54',
'lun': 2}]
self.driver._get_host_mapping_for_vol_frm_array = mock.Mock(
return_value=maps)
self.driver._get_vol_mapping_for_host_frm_array = mock.Mock(
return_value=[])
self.driver._get_free_lun = mock.Mock(return_value=0)
self.driver._del_vol_mapping_frm_cache = mock.Mock()
info = self.driver.initialize_connection(self.volume, self.connector)
self.assertEqual(
self.driver._get_vol_mapping_for_host_frm_array.call_count, 1)
self.assertEqual(
self.driver._get_host_mapping_for_vol_frm_array.call_count, 1)
self.assertEqual(self.driver._get_free_lun.call_count, 1)
self.assertEqual(self.driver._del_vol_mapping_frm_cache.call_count, 1)
self.assertEqual(info['driver_volume_type'], 'iscsi')
properties = info.get('data')
self.assertIsNotNone(properties, 'Target portal is none')
self.driver.terminate_connection(self.volume, self.connector)
self.driver.delete_volume(self.volume)
def test_cloned_volume_destroy(self):
self.driver.create_volume(self.volume)
self.driver.create_cloned_volume(self.snapshot, self.volume)
self.driver.delete_volume(self.volume)
def test_map_by_creating_host(self):
self.driver.create_volume(self.volume)
connector_new = {'initiator': 'iqn.1993-08.org.debian:01:1001'}
connection_info = self.driver.initialize_connection(self.volume,
connector_new)
self.assertEqual(connection_info['driver_volume_type'], 'iscsi')
properties = connection_info.get('data')
self.assertIsNotNone(properties, 'Target portal is none')
def test_vol_stats(self):
self.driver.get_volume_stats(refresh=True)
def test_create_vol_snapshot_diff_size_resize(self):
self.driver.create_volume(self.volume)
self.driver.create_snapshot(self.snapshot)
self.driver.create_volume_from_snapshot(
self.volume_clone, self.snapshot)
self.driver.delete_snapshot(self.snapshot)
self.driver.delete_volume(self.volume)
def test_create_vol_snapshot_diff_size_subclone(self):
self.driver.create_volume(self.volume)
self.driver.create_snapshot(self.snapshot)
self.driver.create_volume_from_snapshot(
self.volume_clone_large, self.snapshot)
self.driver.delete_snapshot(self.snapshot)
self.driver.delete_volume(self.volume)
@mock.patch.object(iscsi.Driver, '_get_volume',
mock.Mock(return_value={'volumeGroupRef': 'fake_ref'}))
def test_get_pool(self):
self.driver._objects['pools'] = [{'volumeGroupRef': 'fake_ref',
'label': 'ddp1'}]
pool = self.driver.get_pool({'id': 'fake-uuid'})
self.assertEqual(pool, 'ddp1')
@mock.patch.object(iscsi.Driver, '_get_volume',
mock.Mock(return_value={'volumeGroupRef': 'fake_ref'}))
def test_get_pool_no_pools(self):
self.driver._objects['pools'] = []
pool = self.driver.get_pool({'id': 'fake-uuid'})
self.assertEqual(pool, None)
@mock.patch.object(iscsi.Driver, '_get_volume',
mock.Mock(return_value={'volumeGroupRef': 'fake_ref'}))
def test_get_pool_no_match(self):
self.driver._objects['pools'] = [{'volumeGroupRef': 'fake_ref2',
'label': 'ddp2'}]
pool = self.driver.get_pool({'id': 'fake-uuid'})
self.assertEqual(pool, None)
@mock.patch.object(iscsi.Driver, '_create_volume', mock.Mock())
def test_create_volume(self):
self.driver.create_volume(self.volume)
self.driver._create_volume.assert_called_with(
'DDP', self.fake_eseries_volume_label, self.volume['size'])
def test_create_volume_no_pool_provided_by_scheduler(self):
volume = copy.deepcopy(self.volume)
volume['host'] = "host@backend" # missing pool
self.assertRaises(exception.InvalidHost, self.driver.create_volume,
volume)
@mock.patch.object(client.RestClient, 'list_storage_pools')
def test_helper_create_volume_fail(self, fake_list_pools):
fake_pool = {}
fake_pool['label'] = self.fake_eseries_pool_label
fake_pool['volumeGroupRef'] = 'foo'
fake_pools = [fake_pool]
fake_list_pools.return_value = fake_pools
wrong_eseries_pool_label = 'hostname@backend'
self.assertRaises(exception.NetAppDriverException,
self.driver._create_volume, wrong_eseries_pool_label,
self.fake_eseries_volume_label, self.fake_size_gb)
@mock.patch.object(driver_log, 'info')
@mock.patch.object(client.RestClient, 'list_storage_pools')
@mock.patch.object(client.RestClient, 'create_volume',
mock.MagicMock(return_value='CorrectVolume'))
def test_helper_create_volume(self, storage_pools, log_info):
fake_pool = {}
fake_pool['label'] = self.fake_eseries_pool_label
fake_pool['volumeGroupRef'] = 'foo'
fake_pools = [fake_pool]
storage_pools.return_value = fake_pools
drv = self.driver
storage_vol = drv.driver._create_volume(self.fake_eseries_pool_label,
self.fake_eseries_volume_label,
self.fake_size_gb)
log_info.assert_called_once_with("Created volume with label %s.",
self.fake_eseries_volume_label)
self.assertEqual('CorrectVolume', storage_vol)
@mock.patch.object(client.RestClient, 'list_storage_pools')
@mock.patch.object(client.RestClient, 'create_volume',
mock.MagicMock(
side_effect=exception.NetAppDriverException))
@mock.patch.object(driver_log, 'info', mock.Mock())
def test_create_volume_check_exception(self, fake_list_pools):
fake_pool = {}
fake_pool['label'] = self.fake_eseries_pool_label
fake_pool['volumeGroupRef'] = 'foo'
fake_pools = [fake_pool]
fake_list_pools.return_value = fake_pools
self.assertRaises(exception.NetAppDriverException,
self.driver._create_volume,
self.fake_eseries_pool_label,
self.fake_eseries_volume_label, self.fake_size_gb)
def test_portal_for_vol_controller(self):
volume = {'id': 'vol_id', 'currentManager': 'ctrl1'}
vol_nomatch = {'id': 'vol_id', 'currentManager': 'ctrl3'}
portals = [{'controller': 'ctrl2', 'iqn': 'iqn2'},
{'controller': 'ctrl1', 'iqn': 'iqn1'}]
portal = self.driver._get_iscsi_portal_for_vol(volume, portals)
self.assertEqual(portal, {'controller': 'ctrl1', 'iqn': 'iqn1'})
portal = self.driver._get_iscsi_portal_for_vol(vol_nomatch, portals)
self.assertEqual(portal, {'controller': 'ctrl2', 'iqn': 'iqn2'})
def test_portal_for_vol_any_false(self):
vol_nomatch = {'id': 'vol_id', 'currentManager': 'ctrl3'}
portals = [{'controller': 'ctrl2', 'iqn': 'iqn2'},
{'controller': 'ctrl1', 'iqn': 'iqn1'}]
self.assertRaises(exception.NetAppDriverException,
self.driver._get_iscsi_portal_for_vol,
vol_nomatch, portals, False)
def test_convert_uuid_to_es_fmt(self):
value = 'e67e931a-b2ed-4890-938b-3acc6a517fac'
result = na_utils.convert_uuid_to_es_fmt(value)
self.assertEqual(result, '4Z7JGGVS5VEJBE4LHLGGUUL7VQ')
def create_volume(self, volume):
"""Creates a volume."""
label = utils.convert_uuid_to_es_fmt(volume['id'])
size_gb = int(volume['size'])
vol = self._create_volume(label, size_gb)
self._cache_volume(vol)
def _get_volume(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
try:
return self._get_cached_volume(label)
except KeyError:
return self._get_latest_volume(uid)
def _get_cached_snapshot_grp(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
snap_id = self._objects['snapshots']['label_ref'][label]
return self._objects['snapshots']['ref_snap'][snap_id]
def _get_cached_snapshot_grp(self, uid):
label = utils.convert_uuid_to_es_fmt(uid)
snap_id = self._objects["snapshots"]["label_ref"][label]
return self._objects["snapshots"]["ref_snap"][snap_id]
