def delete_snapshot(self, snapshot):
snapshotname = huawei_utils.encode_name(snapshot['id'])
volume_name = huawei_utils.encode_name(snapshot['volume_id'])
LOG.info(_LI(
'stop_snapshot: snapshot name: %(snapshot)s, '
'volume name: %(volume)s.'),
{'snapshot': snapshotname,
'volume': volume_name},)
snapshot_id = snapshot.get('provider_location', None)
if snapshot_id is None:
snapshot_id = self.restclient.get_snapshotid_by_name(snapshotname)
if snapshot_id is not None:
if self.restclient.check_snapshot_exist(snapshot_id):
self.restclient.stop_snapshot(snapshot_id)
self.restclient.delete_snapshot(snapshot_id)
else:
LOG.warning(_LW("Can't find snapshot on the array."))
else:
LOG.warning(_LW("Can't find snapshot on the array."))
return False
return True
def update_migrated_volume(self,
ctxt,
volume,
new_volume,
original_volume_status=None):
original_name = huawei_utils.encode_name(volume['id'])
current_name = huawei_utils.encode_name(new_volume['id'])
lun_id = self.restclient.get_volume_by_name(current_name)
try:
self.restclient.rename_lun(lun_id, original_name)
except exception.VolumeBackendAPIException:
LOG.error(_LE('Unable to rename lun %s on array.'), current_name)
return {'_name_id': new_volume['_name_id'] or new_volume['id']}
LOG.debug(
"Rename lun from %(current_name)s to %(original_name)s "
"successfully.", {
'current_name': current_name,
'original_name': original_name
})
model_update = {'_name_id': None}
return model_update
def delete_snapshot(self, snapshot):
snapshotname = huawei_utils.encode_name(snapshot['id'])
volume_name = huawei_utils.encode_name(snapshot['volume_id'])
LOG.info(
_LI('stop_snapshot: snapshot name: %(snapshot)s, '
'volume name: %(volume)s.'),
{
'snapshot': snapshotname,
'volume': volume_name
},
)
snapshot_id = snapshot.get('provider_location')
if snapshot_id is None:
snapshot_id = self.restclient.get_snapshotid_by_name(snapshotname)
if snapshot_id is not None:
if self.restclient.check_snapshot_exist(snapshot_id):
self.restclient.stop_snapshot(snapshot_id)
self.restclient.delete_snapshot(snapshot_id)
else:
LOG.warning(_LW("Can't find snapshot on the array."))
else:
LOG.warning(_LW("Can't find snapshot on the array."))
return False
return True
def create_snapshot(self, snapshot):
snapshot_name = huawei_utils.encode_name(snapshot['id'])
snapshot_description = snapshot['id']
volume_name = huawei_utils.encode_name(snapshot['volume_id'])
LOG.info(_LI(
'create_snapshot:snapshot name: %(snapshot)s, '
'volume name: %(volume)s.'),
{'snapshot': snapshot_name,
'volume': volume_name})
lun_id = self.get_volume_by_name(volume_name)
if lun_id is None:
msg = (_("Can't find lun info on the array, "
"lun name is: %(name)s.") % {'name': volume_name})
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
url = self.url + "/snapshot"
data = json.dumps({"TYPE": "27",
"NAME": snapshot_name,
"PARENTTYPE": "11",
"DESCRIPTION": snapshot_description,
"PARENTID": lun_id})
result = self.call(url, data)
msg = 'Create snapshot error.'
self._assert_rest_result(result, msg)
self._assert_data_in_result(result, msg)
return result['data']
def update_consistencygroup(self, context, group,
add_volumes, remove_volumes):
LOG.info(_LI("Update Consistency Group: %(group)s. "
"This adds or removes volumes from a CG."),
{'group': group['id']})
metrogroup_id = self.check_consistencygroup_need_to_stop(group)
if not metrogroup_id:
msg = _("The CG does not exist on array.")
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
# Deal with add volumes to CG
for volume in add_volumes:
metadata = huawei_utils.get_lun_metadata(volume)
if not metadata.get('hypermetro'):
err_msg = _("Volume %s is not in hypermetro pair.") % volume.id
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
lun_name = huawei_utils.encode_name(volume.id)
hypermetro = self.client.get_hypermetro_by_lun_name(lun_name)
if not hypermetro:
err_msg = _("Volume %s is not in hypermetro pair.") % volume.id
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
metro_id = hypermetro['ID']
if not self._check_metro_in_cg(metro_id, metrogroup_id):
self.check_metro_need_to_stop(metro_id)
self.client.add_metro_to_metrogroup(metrogroup_id,
metro_id)
self._ensure_hypermetro_added_to_cg(
metro_id, metrogroup_id)
# Deal with remove volumes from CG
for volume in remove_volumes:
metadata = huawei_utils.get_lun_metadata(volume)
if not metadata.get('hypermetro'):
continue
lun_name = huawei_utils.encode_name(volume.id)
hypermetro = self.client.get_hypermetro_by_lun_name(lun_name)
if not hypermetro:
continue
metro_id = hypermetro['ID']
if self._check_metro_in_cg(metro_id, metrogroup_id):
self.check_metro_need_to_stop(metro_id)
self.client.remove_metro_from_metrogroup(metrogroup_id,
metro_id)
self._ensure_hypermetro_removed_from_cg(
metro_id, metrogroup_id)
self.client.sync_hypermetro(metro_id)
new_group_info = self.client.get_metrogroup_by_id(metrogroup_id)
is_empty = new_group_info["ISEMPTY"]
if is_empty == 'false':
self.client.sync_metrogroup(metrogroup_id)
def create_volume_from_snapshot(self, volume, snapshot):
"""Create a volume from a snapshot.
We use LUNcopy to copy a new volume from snapshot.
The time needed increases as volume size does.
"""
snapshotname = huawei_utils.encode_name(snapshot['id'])
snapshot_id = snapshot.get('provider_location', None)
if snapshot_id is None:
snapshot_id = self.restclient.get_snapshotid_by_name(snapshotname)
if snapshot_id is None:
err_msg = (_(
'create_volume_from_snapshot: Snapshot %(name)s '
'does not exist.')
% {'name': snapshotname})
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
lun_info = self.create_volume(volume)
tgt_lun_id = lun_info['ID']
luncopy_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'create_volume_from_snapshot: src_lun_id: %(src_lun_id)s, '
'tgt_lun_id: %(tgt_lun_id)s, copy_name: %(copy_name)s.'),
{'src_lun_id': snapshot_id,
'tgt_lun_id': tgt_lun_id,
'copy_name': luncopy_name})
event_type = 'LUNReadyWaitInterval'
wait_interval = huawei_utils.get_wait_interval(self.xml_file_path,
event_type)
def _volume_ready():
result = self.restclient.get_lun_info(tgt_lun_id)
if (result['HEALTHSTATUS'] == constants.STATUS_HEALTH
and result['RUNNINGSTATUS'] == constants.STATUS_VOLUME_READY):
return True
return False
huawei_utils.wait_for_condition(self.xml_file_path,
_volume_ready,
wait_interval,
wait_interval * 10)
self._copy_volume(volume, luncopy_name,
snapshot_id, tgt_lun_id)
return {'ID': lun_info['ID'],
'lun_info': lun_info}
def create_volume_from_snapshot(self, volume, snapshot):
"""Create a volume from a snapshot.
We use LUNcopy to copy a new volume from snapshot.
The time needed increases as volume size does.
"""
snapshotname = huawei_utils.encode_name(snapshot["id"])
snapshot_id = snapshot.get("provider_location", None)
if snapshot_id is None:
snapshot_id = self.restclient.get_snapshotid_by_name(snapshotname)
if snapshot_id is None:
err_msg = _("create_volume_from_snapshot: Snapshot %(name)s " "does not exist.") % {
"name": snapshotname
}
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
lun_info = self.create_volume(volume)
tgt_lun_id = lun_info["ID"]
luncopy_name = huawei_utils.encode_name(volume["id"])
LOG.info(
_LI(
"create_volume_from_snapshot: src_lun_id: %(src_lun_id)s, "
"tgt_lun_id: %(tgt_lun_id)s, copy_name: %(copy_name)s."
),
{"src_lun_id": snapshot_id, "tgt_lun_id": tgt_lun_id, "copy_name": luncopy_name},
)
event_type = "LUNReadyWaitInterval"
wait_interval = huawei_utils.get_wait_interval(self.xml_file_path, event_type)
def _volume_ready():
result = self.restclient.get_lun_info(tgt_lun_id)
if (
result["HEALTHSTATUS"] == constants.STATUS_HEALTH
and result["RUNNINGSTATUS"] == constants.STATUS_VOLUME_READY
):
return True
return False
huawei_utils.wait_for_condition(self.xml_file_path, _volume_ready, wait_interval, wait_interval * 10)
self._copy_volume(volume, luncopy_name, snapshot_id, tgt_lun_id)
return {"ID": lun_info["ID"], "lun_info": lun_info}
def delete_volume(self, volume):
"""Delete a volume.
Three steps:
Firstly, remove associate from lungroup.
Secondly, remove associate from QoS policy.
Thirdly, remove the lun.
"""
name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location')
LOG.info(
_LI('Delete volume: %(name)s, array lun id: %(lun_id)s.'),
{
'name': name,
'lun_id': lun_id
},
)
if lun_id:
if self.restclient.check_lun_exist(lun_id):
qos_id = self.restclient.get_qosid_by_lunid(lun_id)
if qos_id:
self.remove_qos_lun(lun_id, qos_id)
self.restclient.delete_lun(lun_id)
else:
LOG.warning(_LW("Can't find lun %s on the array."), lun_id)
return False
return True
def delete_consistencygroup(self, context, group, volumes):
LOG.info(_LI("Delete Consistency Group: %(group)s."),
{'group': group['id']})
metrogroup_id = self.check_consistencygroup_need_to_stop(group)
if not metrogroup_id:
return
# Remove pair from metrogroup.
for volume in volumes:
metadata = huawei_utils.get_lun_metadata(volume)
if not metadata.get('hypermetro'):
continue
lun_name = huawei_utils.encode_name(volume.id)
hypermetro = self.client.get_hypermetro_by_lun_name(lun_name)
if not hypermetro:
continue
metro_id = hypermetro['ID']
if self._check_metro_in_cg(metro_id, metrogroup_id):
self.client.remove_metro_from_metrogroup(
metrogroup_id, metro_id)
# Delete metrogroup.
self.client.delete_metrogroup(metrogroup_id)
def update_migrated_volume(self, ctxt, volume, new_volume,
original_volume_status):
new_name = huawei_utils.encode_name(volume.id)
org_metadata = huawei_utils.get_volume_private_data(volume)
new_metadata = huawei_utils.get_volume_private_data(new_volume)
try:
if org_metadata.get('huawei_sn') == new_metadata.get('huawei_sn'):
self.local_cli.rename_lun(org_metadata['huawei_lun_id'],
new_name[:-4] + '-org')
self.local_cli.rename_lun(new_metadata['huawei_lun_id'],
new_name,
description=volume.name)
except Exception:
LOG.exception('Unable to rename lun %(id)s to %(name)s.', {
'id': new_metadata['huawei_lun_id'],
'name': new_name
})
name_id = new_volume.name_id
else:
LOG.info("Successfully rename lun %(id)s to %(name)s.", {
'id': new_metadata['huawei_lun_id'],
'name': new_name
})
name_id = None
return {
'_name_id': name_id,
'provider_location': huawei_utils.to_string(**new_metadata),
}
def extend_volume(self, volume, new_size):
"""Extend a volume."""
volume_size = huawei_utils.get_volume_size(volume)
new_volume_size = int(new_size) * units.Gi / 512
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(
_LI('Extend volume: %(volumename)s, oldsize:'
' %(oldsize)s newsize: %(newsize)s.'),
{
'volumename': volume_name,
'oldsize': volume_size,
'newsize': new_volume_size
},
)
lun_id = self.restclient.get_volume_by_name(volume_name)
if lun_id is None:
msg = (
_("Can't find lun info on the array, lun name is: %(name)s.") %
{
'name': volume_name
})
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
luninfo = self.restclient.extend_volume(lun_id, new_volume_size)
return {'provider_location': luninfo['ID'], 'lun_info': luninfo}
def create_volume(self, volume):
"""Create a volume."""
pool_info = self.restclient.find_pool_info()
volume_name = huawei_utils.encode_name(volume['id'])
volume_description = volume['name']
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI(
'Create volume: %(volume)s, size: %(size)s.'),
{'volume': volume_name,
'size': volume_size})
params = huawei_utils.get_lun_conf_params(self.xml_file_path)
params['pool_id'] = pool_info['ID']
params['volume_size'] = volume_size
params['volume_description'] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info['ID']
return {'provider_location': lun_info['ID'],
'ID': lun_id,
'lun_info': lun_info}
def _get_group_info_by_name(self, group_id):
group_name = huawei_utils.encode_name(group_id)
group_info = self.local_cgop.get_replicg_by_name(group_name)
if not group_info:
group_name = huawei_utils.old_encode_name(group_id)
group_info = self.local_cgop.get_replicg_by_name(group_name)
return group_info
def create(self, group, replica_model):
group_id = group.get('id')
LOG.info("Create Consistency Group: %(group)s.",
{'group': group_id})
group_name = huawei_utils.encode_name(group_id)
self.local_cgop.create(group_name, group_id, replica_model,
self.conf.replica_sync_speed)
def extend_volume(self, volume, new_size):
"""Extend a volume."""
volume_size = huawei_utils.get_volume_size(volume)
new_volume_size = int(new_size) * units.Gi / 512
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'Extend volume: %(volumename)s, oldsize:'
' %(oldsize)s newsize: %(newsize)s.'),
{'volumename': volume_name,
'oldsize': volume_size,
'newsize': new_volume_size},)
lun_id = self.restclient.get_volume_by_name(volume_name)
if lun_id is None:
msg = (_(
"Can't find lun info on the array, lun name is: %(name)s.")
% {'name': volume_name})
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
luninfo = self.restclient.extend_volume(lun_id, new_volume_size)
return {'provider_location': luninfo['ID'],
'lun_info': luninfo}
def create_volume(self, volume):
"""Create a volume."""
pool_name = volume_utils.extract_host(volume['host'],
level='pool')
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
if not pool_info:
msg = (_('Error in getting pool information for the pool: %s.')
% pool_name)
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
volume_name = huawei_utils.encode_name(volume['id'])
volume_description = volume['name']
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI(
'Create volume: %(volume)s, size: %(size)s.'),
{'volume': volume_name,
'size': volume_size})
params = huawei_utils.get_lun_conf_params(self.xml_file_path)
params['pool_id'] = pool_info['ID']
params['volume_size'] = volume_size
params['volume_description'] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info['ID']
return {'provider_location': lun_info['ID'],
'ID': lun_id,
'lun_info': lun_info}
def _migrate_volume(self, volume, host, new_type=None):
if not self._check_migration_valid(host, volume):
return (False, None)
type_id = volume['volume_type_id']
volume_type = None
if type_id:
volume_type = volume_types.get_volume_type(None, type_id)
pool_name = host['capabilities']['pool_name']
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
src_volume_name = huawei_utils.encode_name(volume['id'])
dst_volume_name = six.text_type(hash(src_volume_name))
src_id = volume.get('provider_location', None)
src_lun_params = self.restclient.get_lun_info(src_id)
opts = None
qos = None
if new_type:
# If new type exists, use new type.
opts = huawei_utils._get_extra_spec_value(
new_type['extra_specs'])
opts = smartx.SmartX().get_smartx_specs_opts(opts)
if 'LUNType' not in opts:
opts['LUNType'] = huawei_utils.find_luntype_in_xml(
self.xml_file_path)
qos = huawei_utils.get_qos_by_volume_type(new_type)
elif volume_type:
qos = huawei_utils.get_qos_by_volume_type(volume_type)
if not opts:
opts = huawei_utils.get_volume_params(volume)
opts = smartx.SmartX().get_smartx_specs_opts(opts)
lun_info = self._create_lun_with_extra_feature(pool_info,
dst_volume_name,
src_lun_params,
opts)
lun_id = lun_info['ID']
if qos:
LOG.info(_LI('QoS: %s.'), qos)
SmartQos = smartx.SmartQos(self.restclient)
SmartQos.create_qos(qos, lun_id)
if opts:
smartpartition = smartx.SmartPartition(self.restclient)
smartpartition.add(opts, lun_id)
smartcache = smartx.SmartCache(self.restclient)
smartcache.add(opts, lun_id)
dst_id = lun_info['ID']
self._wait_volume_ready(dst_id)
moved = self._migrate_lun(src_id, dst_id)
return moved, {}
def initialize_connection_iscsi(self, volume, connector):
"""Map a volume to a host and return target iSCSI information."""
LOG.info(_LI('Enter initialize_connection_iscsi.'))
initiator_name = connector['initiator']
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'initiator name: %(initiator_name)s, '
'volume name: %(volume)s.'),
{'initiator_name': initiator_name,
'volume': volume_name})
(iscsi_iqn,
target_ip,
portgroup_id) = self.restclient.get_iscsi_params(self.xml_file_path,
connector)
LOG.info(_LI('initialize_connection_iscsi, iscsi_iqn: %(iscsi_iqn)s, '
'target_ip: %(target_ip)s, '
'TargetPortGroup: %(portgroup_id)s.'),
{'iscsi_iqn': iscsi_iqn,
'target_ip': target_ip,
'portgroup_id': portgroup_id},)
# Create hostgroup if not exist.
host_name = connector['host']
host_name_before_hash = None
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENTH):
host_name_before_hash = host_name
host_name = str(hash(host_name))
host_id = self.restclient.add_host_with_check(host_name,
host_name_before_hash)
# Add initiator to the host.
self.restclient.ensure_initiator_added(initiator_name, host_id)
hostgroup_id = self.restclient.add_host_into_hostgroup(host_id)
# Mapping lungroup and hostgroup to view.
lun_id = self.restclient.mapping_hostgroup_and_lungroup(volume_name,
hostgroup_id,
host_id,
portgroup_id)
hostlun_id = self.restclient.find_host_lun_id(host_id, lun_id)
LOG.info(_LI("initialize_connection_iscsi, host lun id is: %s."),
hostlun_id)
# Return iSCSI properties.
properties = {}
properties['target_discovered'] = False
properties['target_portal'] = ('%s:%s' % (target_ip, '3260'))
properties['target_iqn'] = iscsi_iqn
properties['target_lun'] = int(hostlun_id)
properties['volume_id'] = volume['id']
LOG.info(_LI("initialize_connection_iscsi success. Return data: %s."),
properties)
return {'driver_volume_type': 'iscsi', 'data': properties}
def terminate_connection_fc(self, volume, connector):
"""Delete map between a volume and a host."""
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location', None)
host_name = connector['host']
left_lunnum = -1
LOG.info(
_LI('terminate_connection_fc: volume name: %(volume)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.'),
{
'volume': volume_name,
'wwns': wwns,
'lunid': lun_id
},
)
if lun_id:
if self.restclient.check_lun_exist(lun_id):
# Get lungroup id by lun id.
lungroup_id = self.restclient.get_lungroupid_by_lunid(lun_id)
if not lungroup_id:
LOG.info(_LI("Can't find lun in lungroup."))
else:
self.restclient.remove_lun_from_lungroup(
lungroup_id, lun_id)
else:
LOG.warning(_LW("Can't find lun on the array."))
tgt_port_wwns = []
for wwn in wwns:
tgtwwpns = self.restclient.get_fc_target_wwpns(wwn)
if tgtwwpns:
tgt_port_wwns.append(tgtwwpns)
init_targ_map = {}
for initiator in wwns:
init_targ_map[initiator] = tgt_port_wwns
host_id = self.restclient.find_host(host_name)
if host_id:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + host_id
view_id = self.restclient.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.restclient.find_lungroup_from_map(view_id)
if lungroup_id:
left_lunnum = self.restclient.get_lunnum_from_lungroup(lungroup_id)
if int(left_lunnum) > 0:
info = {'driver_volume_type': 'fibre_channel', 'data': {}}
else:
info = {
'driver_volume_type': 'fibre_channel',
'data': {
'target_wwn': tgt_port_wwns,
'initiator_target_map': init_targ_map
},
}
return info
def create_volume(self, volume):
"""Create a volume."""
opts = huawei_utils.get_volume_params(volume)
smartx_opts = smartx.SmartX().get_smartx_specs_opts(opts)
params = huawei_utils.get_lun_params(self.xml_file_path,
smartx_opts)
pool_name = volume_utils.extract_host(volume['host'],
level='pool')
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
if not pool_info:
# The following code is to keep compatibility with old version of
# Huawei driver.
pool_names = huawei_utils.get_pools(self.xml_file_path)
for pool_name in pool_names.split(";"):
pool_info = self.restclient.find_pool_info(pool_name,
pools)
if pool_info:
break
volume_name = huawei_utils.encode_name(volume['id'])
volume_description = volume['name']
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI(
'Create volume: %(volume)s, size: %(size)s.'),
{'volume': volume_name,
'size': volume_size})
params['pool_id'] = pool_info['ID']
params['volume_size'] = volume_size
params['volume_description'] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info['ID']
try:
qos = huawei_utils.get_volume_qos(volume)
if qos:
smart_qos = smartx.SmartQos(self.restclient)
smart_qos.create_qos(qos, lun_id)
smartpartition = smartx.SmartPartition(self.restclient)
smartpartition.add(opts, lun_id)
smartcache = smartx.SmartCache(self.restclient)
smartcache.add(opts, lun_id)
except Exception as err:
self._delete_lun_with_check(lun_id)
raise exception.InvalidInput(
reason=_('Create volume error. Because %s.') % err)
return {'provider_location': lun_info['ID'],
'ID': lun_id,
'lun_info': lun_info}
def _get_metro_group_id(self, id):
group_name = huawei_utils.encode_name(id)
metrogroup_id = self.client.get_metrogroup_by_name(group_name)
if not metrogroup_id:
group_name = huawei_utils.old_encode_name(id)
metrogroup_id = self.client.get_metrogroup_by_name(group_name)
return metrogroup_id
def _get_metro_group_id(self, id):
group_name = huawei_utils.encode_name(id)
metrogroup_id = self.client.get_metrogroup_by_name(group_name)
if not metrogroup_id:
group_name = huawei_utils.old_encode_name(id)
metrogroup_id = self.client.get_metrogroup_by_name(group_name)
return metrogroup_id
def initialize_connection_fc(self, volume, connector):
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'initialize_connection_fc, initiator: %(wwpns)s,'
' volume name: %(volume)s.'),
{'wwpns': wwns,
'volume': volume_name},)
host_name_before_hash = None
host_name = connector['host']
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name_before_hash = host_name
host_name = six.text_type(hash(host_name))
# Create hostgroup if not exist.
host_id = self.restclient.add_host_with_check(host_name,
host_name_before_hash)
# Add host into hostgroup.
hostgroup_id = self.restclient.add_host_into_hostgroup(host_id)
free_wwns = self.restclient.get_connected_free_wwns()
LOG.info(_LI("initialize_connection_fc, the array has free wwns: %s."),
free_wwns)
for wwn in wwns:
if wwn in free_wwns:
self.restclient.add_fc_port_to_host(host_id, wwn)
lun_id = self.restclient.mapping_hostgroup_and_lungroup(volume_name,
hostgroup_id,
host_id)
host_lun_id = self.restclient.find_host_lun_id(host_id, lun_id)
tgt_port_wwns = []
for wwn in wwns:
tgtwwpns = self.restclient.get_fc_target_wwpns(wwn)
if tgtwwpns:
tgt_port_wwns.append(tgtwwpns)
init_targ_map = {}
for initiator in wwns:
init_targ_map[initiator] = tgt_port_wwns
# Return FC properties.
info = {'driver_volume_type': 'fibre_channel',
'data': {'target_lun': int(host_lun_id),
'target_discovered': True,
'target_wwn': tgt_port_wwns,
'volume_id': volume['id'],
'initiator_target_map': init_targ_map}, }
LOG.info(_LI("initialize_connection_fc, return data is: %s."),
info)
return info
def create_volume(self, volume):
"""Create a volume."""
opts = huawei_utils.get_volume_params(volume)
smartx_opts = smartx.SmartX().get_smartx_specs_opts(opts)
params = huawei_utils.get_lun_params(self.xml_file_path, smartx_opts)
pool_name = volume_utils.extract_host(volume['host'], level='pool')
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
if not pool_info:
# The following code is to keep compatibility with old version of
# Huawei driver.
pool_names = huawei_utils.get_pools(self.xml_file_path)
for pool_name in pool_names.split(";"):
pool_info = self.restclient.find_pool_info(pool_name, pools)
if pool_info:
break
volume_name = huawei_utils.encode_name(volume['id'])
volume_description = volume['name']
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI('Create volume: %(volume)s, size: %(size)s.'), {
'volume': volume_name,
'size': volume_size
})
params['pool_id'] = pool_info['ID']
params['volume_size'] = volume_size
params['volume_description'] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info['ID']
try:
qos = huawei_utils.get_volume_qos(volume)
if qos:
smart_qos = smartx.SmartQos(self.restclient)
smart_qos.create_qos(qos, lun_id)
smartpartition = smartx.SmartPartition(self.restclient)
smartpartition.add(opts, lun_id)
smartcache = smartx.SmartCache(self.restclient)
smartcache.add(opts, lun_id)
except Exception as err:
self._delete_lun_with_check(lun_id)
raise exception.InvalidInput(
reason=_('Create volume error. Because %s.') % err)
return {
'provider_location': lun_info['ID'],
'ID': lun_id,
'lun_info': lun_info
}
def update_migrated_volume(self, ctxt, volume, new_volume, original_volume_status=None):
original_name = huawei_utils.encode_name(volume["id"])
current_name = huawei_utils.encode_name(new_volume["id"])
lun_id = self.restclient.get_volume_by_name(current_name)
try:
self.restclient.rename_lun(lun_id, original_name)
except exception.VolumeBackendAPIException:
LOG.error(_LE("Unable to rename lun %s on array."), current_name)
return {"_name_id": new_volume["_name_id"] or new_volume["id"]}
LOG.debug(
"Rename lun from %(current_name)s to %(original_name)s " "successfully.",
{"current_name": current_name, "original_name": original_name},
)
model_update = {"_name_id": None}
return model_update
def create_volume(self, volume):
"""Create a volume."""
opts = huawei_utils.get_volume_params(volume)
smartx_opts = smartx.SmartX().get_smartx_specs_opts(opts)
params = huawei_utils.get_lun_params(self.xml_file_path,
smartx_opts)
pool_name = volume_utils.extract_host(volume['host'],
level='pool')
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
if not pool_info:
msg = (_('Error in getting pool information for the pool: %s.')
% pool_name)
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
volume_name = huawei_utils.encode_name(volume['id'])
volume_description = volume['name']
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI(
'Create volume: %(volume)s, size: %(size)s.'),
{'volume': volume_name,
'size': volume_size})
params['pool_id'] = pool_info['ID']
params['volume_size'] = volume_size
params['volume_description'] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info['ID']
try:
qos = huawei_utils.get_volume_qos(volume)
if qos:
smart_qos = smartx.SmartQos(self.restclient)
smart_qos.create_qos(qos, lun_id)
smartpartition = smartx.SmartPartition(self.restclient)
smartpartition.add(opts, lun_id)
smartcache = smartx.SmartCache(self.restclient)
smartcache.add(opts, lun_id)
except Exception as err:
if lun_id:
self._delete_lun_with_check(lun_id)
raise exception.InvalidInput(
reason=_('Create volume error. Because %s.') % err)
return {'provider_location': lun_info['ID'],
'ID': lun_id,
'lun_info': lun_info}
def update_migrated_volume(self, ctxt, volume, new_volume,
original_volume_status):
original_name = huawei_utils.encode_name(volume['id'])
current_name = huawei_utils.encode_name(new_volume['id'])
lun_id = self.restclient.get_volume_by_name(current_name)
try:
self.restclient.rename_lun(lun_id, original_name)
except exception.VolumeBackendAPIException:
LOG.error(_LE('Unable to rename lun %s on array.'), current_name)
return {'_name_id': new_volume['_name_id'] or new_volume['id']}
LOG.debug("Rename lun from %(current_name)s to %(original_name)s "
"successfully.",
{'current_name': current_name,
'original_name': original_name})
model_update = {'_name_id': None}
return model_update
def create_consistencygroup(self, group):
LOG.info("Create Consistency Group: %(group)s.", {'group': group.id})
group_name = huawei_utils.encode_name(group.id)
domain_name = self.configuration.metro_domain_name
domain_id = self.client.get_hyper_domain_id(domain_name)
if not domain_name or not domain_id:
msg = _("The domain_name config in cinder.conf is wrong.")
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
self.client.create_metrogroup(group_name, group.id, domain_id)
def create_consistencygroup(self, group):
LOG.info(_LI("Create Consistency Group: %(group)s."),
{'group': group.id})
group_name = huawei_utils.encode_name(group.id)
domain_name = self.configuration.metro_domain_name
domain_id = self.client.get_hyper_domain_id(domain_name)
if not domain_name or not domain_id:
msg = _("The domain_name config in cinder.conf is wrong.")
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
self.client.create_metrogroup(group_name, group.id, domain_id)
def terminate_connection_fc(self, volume, connector):
"""Delete map between a volume and a host."""
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location', None)
host_name = connector['host']
left_lunnum = -1
LOG.info(_LI('terminate_connection_fc: volume name: %(volume)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.'),
{'volume': volume_name,
'wwns': wwns,
'lunid': lun_id},)
if lun_id:
if self.restclient.check_lun_exist(lun_id):
# Get lungroup id by lun id.
lungroup_id = self.restclient.get_lungroupid_by_lunid(lun_id)
if not lungroup_id:
LOG.info(_LI("Can't find lun in lungroup."))
else:
self.restclient.remove_lun_from_lungroup(lungroup_id,
lun_id)
else:
LOG.warning(_LW("Can't find lun on the array."))
tgt_port_wwns = []
for wwn in wwns:
tgtwwpns = self.restclient.get_fc_target_wwpns(wwn)
if tgtwwpns:
tgt_port_wwns.append(tgtwwpns)
init_targ_map = {}
for initiator in wwns:
init_targ_map[initiator] = tgt_port_wwns
host_id = self.restclient.find_host(host_name)
if host_id:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + host_id
view_id = self.restclient.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.restclient.find_lungroup_from_map(view_id)
if lungroup_id:
left_lunnum = self.restclient.get_lunnum_from_lungroup(lungroup_id)
if int(left_lunnum) > 0:
info = {'driver_volume_type': 'fibre_channel',
'data': {}}
else:
info = {'driver_volume_type': 'fibre_channel',
'data': {'target_wwn': tgt_port_wwns,
'initiator_target_map': init_targ_map}, }
return info
def delete_hypermetro(self, hypermetro_id, volume):
hypermetro = self.local_cli.get_hypermetro_by_id(hypermetro_id)
if hypermetro:
if (hypermetro['RUNNINGSTATUS'] in (constants.METRO_RUNNING_NORMAL,
constants.METRO_RUNNING_SYNC)):
self.local_cli.stop_hypermetro(hypermetro_id)
self.local_cli.delete_hypermetro(hypermetro_id)
self.remote_cli.delete_lun(hypermetro['REMOTEOBJID'])
else:
name = huawei_utils.encode_name(volume.id)
remote_lun_info = self.remote_cli.get_lun_info_by_name(name)
if remote_lun_info:
self.remote_cli.delete_lun(remote_lun_info['ID'])
def delete_hypermetro(self, volume):
"""Delete hypermetro."""
lun_name = huawei_utils.encode_name(volume.id)
hypermetro = self.client.get_hypermetro_by_lun_name(lun_name)
if not hypermetro:
return
metro_id = hypermetro['ID']
remote_lun_id = hypermetro['REMOTEOBJID']
# Delete hypermetro and remote lun.
self.check_metro_need_to_stop(metro_id, hypermetro)
self.client.delete_hypermetro(metro_id)
self.rmt_client.delete_lun(remote_lun_id)
def check_consistencygroup_need_to_stop(self, group):
group_name = huawei_utils.encode_name(group.id)
metrogroup_id = self.client.get_metrogroup_by_name(group_name)
if metrogroup_id:
metrogroup_info = self.client.get_metrogroup_by_id(metrogroup_id)
health_status = metrogroup_info['HEALTHSTATUS']
running_status = metrogroup_info['RUNNINGSTATUS']
if (health_status == constants.HEALTH_NORMAL
and (running_status == constants.RUNNING_NORMAL
or running_status == constants.RUNNING_SYNC)):
self.client.stop_metrogroup(metrogroup_id)
return metrogroup_id
def delete_snapshot(self, snapshot):
snapshotname = huawei_utils.encode_name(snapshot["id"])
volume_name = huawei_utils.encode_name(snapshot["volume_id"])
LOG.info(
_LI("stop_snapshot: snapshot name: %(snapshot)s, " "volume name: %(volume)s."),
{"snapshot": snapshotname, "volume": volume_name},
)
snapshot_id = snapshot.get("provider_location", None)
if snapshot_id is None:
snapshot_id = self.restclient.get_snapshotid_by_name(snapshotname)
if snapshot_id is not None:
if self.restclient.check_snapshot_exist(snapshot_id):
self.restclient.stop_snapshot(snapshot_id)
self.restclient.delete_snapshot(snapshot_id)
else:
LOG.warning(_LW("Can't find snapshot on the array."))
else:
LOG.warning(_LW("Can't find snapshot on the array."))
return False
return True
def create_group(self, group_id, replica_model):
LOG.info("Create replication group %s.", group_id)
group_name = huawei_utils.encode_name(group_id)
params = {'NAME': group_name,
'DESCRIPTION': group_id,
'RECOVERYPOLICY': '1',
'REPLICATIONMODEL': replica_model,
'SPEED': constants.REPLICA_SPEED}
if replica_model == constants.REPLICA_ASYNC_MODEL:
params['SYNCHRONIZETYPE'] = '2'
params['TIMINGVAL'] = constants.REPLICA_CG_PERIOD
group = self.group_op.create(params)
return group['ID']
def check_consistencygroup_need_to_stop(self, group):
group_name = huawei_utils.encode_name(group.id)
metrogroup_id = self.client.get_metrogroup_by_name(group_name)
if metrogroup_id:
metrogroup_info = self.client.get_metrogroup_by_id(metrogroup_id)
health_status = metrogroup_info['HEALTHSTATUS']
running_status = metrogroup_info['RUNNINGSTATUS']
if (health_status == constants.HEALTH_NORMAL
and (running_status == constants.RUNNING_NORMAL
or running_status == constants.RUNNING_SYNC)):
self.client.stop_metrogroup(metrogroup_id)
return metrogroup_id
def create_consistencygroup(self, group_id):
LOG.info("Create hypermetro consistency group %s.", group_id)
domain_name = self.configs['metro_domain']
domain_id = self.local_cli.get_hypermetro_domain_id(domain_name)
if not domain_id:
msg = _("Hypermetro domain %s doesn't exist.") % domain_name
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
params = {"NAME": huawei_utils.encode_name(group_id),
"DESCRIPTION": group_id,
"RECOVERYPOLICY": "1",
"SPEED": self.configs['sync_speed'],
"DOMAINID": domain_id}
self.local_cli.create_metrogroup(params)
def delete_hypermetro(self, volume):
lun_name = huawei_utils.encode_name(volume.id)
hypermetro = self.local_cli.get_hypermetro_by_lun_name(lun_name)
if hypermetro:
huawei_utils.remove_lun_from_lungroup(self.remote_cli,
hypermetro['REMOTEOBJID'])
if (hypermetro['RUNNINGSTATUS'] in (constants.METRO_RUNNING_NORMAL,
constants.METRO_RUNNING_SYNC)):
self.local_cli.stop_hypermetro(hypermetro['ID'])
self.local_cli.delete_hypermetro(hypermetro['ID'])
self.remote_cli.delete_lun(hypermetro['REMOTEOBJID'])
else:
remote_lun_info = self.remote_cli.get_lun_info_by_name(lun_name)
if remote_lun_info:
self.remote_cli.delete_lun(remote_lun_info['ID'])
def extend_volume(self, volume, new_size):
"""Extend a volume."""
volume_size = huawei_utils.get_volume_size(volume)
new_volume_size = int(new_size) * units.Gi / 512
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'Extend volume: %(volumename)s, oldsize:'
' %(oldsize)s newsize: %(newsize)s.'),
{'volumename': volume_name,
'oldsize': volume_size,
'newsize': new_volume_size},)
lun_id = self.restclient.get_lunid(volume, volume_name)
luninfo = self.restclient.extend_volume(lun_id, new_volume_size)
return {'provider_location': luninfo['ID'],
'lun_info': luninfo}
def create_volume(self, volume):
"""Create a volume."""
opts = huawei_utils.get_volume_params(volume)
smartx_opts = smartx.SmartX().get_smartx_specs_opts(opts)
params = huawei_utils.get_lun_params(self.xml_file_path, smartx_opts)
pool_name = volume_utils.extract_host(volume["host"], level="pool")
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
if not pool_info:
msg = _("Error in getting pool information for the pool: %s.") % pool_name
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
volume_name = huawei_utils.encode_name(volume["id"])
volume_description = volume["name"]
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI("Create volume: %(volume)s, size: %(size)s."), {"volume": volume_name, "size": volume_size})
params["pool_id"] = pool_info["ID"]
params["volume_size"] = volume_size
params["volume_description"] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info["ID"]
try:
qos = huawei_utils.get_volume_qos(volume)
if qos:
smart_qos = smartx.SmartQos(self.restclient)
smart_qos.create_qos(qos, lun_id)
smartpartition = smartx.SmartPartition(self.restclient)
smartpartition.add(opts, lun_id)
smartcache = smartx.SmartCache(self.restclient)
smartcache.add(opts, lun_id)
except Exception as err:
self._delete_lun_with_check(lun_id)
raise exception.InvalidInput(reason=_("Create volume error. Because %s.") % err)
return {"provider_location": lun_info["ID"], "ID": lun_id, "lun_info": lun_info}
def delete_volume(self, volume):
"""Delete a volume.
Three steps:
Firstly, remove associate from lungroup.
Secondly, remove associate from QoS policy.
Thirdly, remove the lun.
"""
name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location', None)
LOG.info(_LI('Delete volume: %(name)s, array lun id: %(lun_id)s.'),
{'name': name, 'lun_id': lun_id},)
if lun_id:
if self.restclient.check_lun_exist(lun_id):
self.restclient.delete_lun(lun_id)
else:
LOG.warning(_LW("Can't find %s on the array."), lun_id)
return False
return True
def extend_volume(self, volume, new_size):
"""Extend a volume."""
volume_size = huawei_utils.get_volume_size(volume)
new_volume_size = int(new_size) * units.Gi / 512
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(
_LI('Extend volume: %(volumename)s, oldsize:'
' %(oldsize)s newsize: %(newsize)s.'),
{
'volumename': volume_name,
'oldsize': volume_size,
'newsize': new_volume_size
},
)
lun_id = self.restclient.get_lunid(volume, volume_name)
luninfo = self.restclient.extend_volume(lun_id, new_volume_size)
return {'provider_location': luninfo['ID'], 'lun_info': luninfo}
def _pre_fail_check(self, vol, running_status_set, data_status_set=None):
# check the replica_pair status
vol_name = huawei_utils.encode_name(vol.id)
vol_id = self.local_client.get_lun_id_by_name(vol_name)
pair_info = self.local_client.get_pair_info_by_lun_id(vol_id)
if pair_info:
running_status = self.local_op.is_running_status(
running_status_set, pair_info)
data_status = self.local_op.is_data_status(
data_status_set, pair_info) if data_status_set else True
if not (running_status and data_status):
msg = _('Replication pair %(id)s is not at the status '
'failover/failback available, RUNNINGSTATUS: '
'%(run)s, SECRESDATASTATUS: %(sec)s.') % {
'id': pair_info['ID'],
'run': pair_info['RUNNINGSTATUS'],
'sec': pair_info['SECRESDATASTATUS']
}
LOG.error(msg)
raise exception.InvalidReplicationTarget(reason=msg)
def extend_volume(self, volume, new_size):
"""Extend a volume."""
volume_size = huawei_utils.get_volume_size(volume)
new_volume_size = int(new_size) * units.Gi / 512
volume_name = huawei_utils.encode_name(volume["id"])
LOG.info(
_LI("Extend volume: %(volumename)s, oldsize:" " %(oldsize)s newsize: %(newsize)s."),
{"volumename": volume_name, "oldsize": volume_size, "newsize": new_volume_size},
)
lun_id = self.restclient.get_volume_by_name(volume_name)
if lun_id is None:
msg = _("Can't find lun info on the array, lun name is: %(name)s.") % {"name": volume_name}
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
luninfo = self.restclient.extend_volume(lun_id, new_volume_size)
return {"provider_location": luninfo["ID"], "lun_info": luninfo}
def delete_volume(self, volume):
"""Delete a volume.
Three steps:
Firstly, remove associate from lungroup.
Secondly, remove associate from QoS policy.
Thirdly, remove the lun.
"""
name = huawei_utils.encode_name(volume["id"])
lun_id = volume.get("provider_location", None)
LOG.info(_LI("Delete volume: %(name)s, array lun id: %(lun_id)s."), {"name": name, "lun_id": lun_id})
if lun_id:
if self.restclient.check_lun_exist(lun_id):
qos_id = self.restclient.get_qosid_by_lunid(lun_id)
if qos_id:
self.remove_qos_lun(lun_id, qos_id)
self.restclient.delete_lun(lun_id)
else:
LOG.warning(_LW("Can't find lun %s on the array."), lun_id)
return False
return True
def create_volume(self, volume):
"""Create a volume."""
pool_name = volume_utils.extract_host(volume['host'], level='pool')
pools = self.restclient.find_all_pools()
pool_info = self.restclient.find_pool_info(pool_name, pools)
if not pool_info:
msg = (_('Error in getting pool information for the pool: %s.') %
pool_name)
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
volume_name = huawei_utils.encode_name(volume['id'])
volume_description = volume['name']
volume_size = huawei_utils.get_volume_size(volume)
LOG.info(_LI('Create volume: %(volume)s, size: %(size)s.'), {
'volume': volume_name,
'size': volume_size
})
params = huawei_utils.get_lun_conf_params(self.xml_file_path)
params['pool_id'] = pool_info['ID']
params['volume_size'] = volume_size
params['volume_description'] = volume_description
# Prepare LUN parameters.
lun_param = huawei_utils.init_lun_parameters(volume_name, params)
# Create LUN on the array.
lun_info = self.restclient.create_volume(lun_param)
lun_id = lun_info['ID']
return {
'provider_location': lun_info['ID'],
'ID': lun_id,
'lun_info': lun_info
}
def create_consistencygroup(self, group):
LOG.info(_LI("Create Consistency Group: %(group)s."),
{'group': group['id']})
group_name = huawei_utils.encode_name(group['id'])
domain_id = self._valid_rmt_metro_domain()
self.client.create_metrogroup(group_name, group['id'], domain_id)
def terminate_connection(self, volume, connector, **kwargs):
"""Delete map between a volume and a host."""
initiator_name = connector['initiator']
volume_name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location')
host_name = connector['host']
lungroup_id = None
LOG.info(
_LI('terminate_connection: volume name: %(volume)s, '
'initiator name: %(ini)s, '
'lun_id: %(lunid)s.'),
{
'volume': volume_name,
'ini': initiator_name,
'lunid': lun_id
},
)
iscsi_conf = huawei_utils.get_iscsi_conf(self.xml_file_path)
portgroup = None
portgroup_id = None
view_id = None
left_lunnum = -1
for ini in iscsi_conf['Initiator']:
if ini['Name'] == initiator_name:
for key in ini:
if key == 'TargetPortGroup':
portgroup = ini['TargetPortGroup']
break
if portgroup:
portgroup_id = self.restclient.find_tgt_port_group(portgroup)
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name = six.text_type(hash(host_name))
host_id = self.restclient.find_host(host_name)
if host_id:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + host_id
view_id = self.restclient.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.restclient.find_lungroup_from_map(view_id)
# Remove lun from lungroup.
if lun_id and self.restclient.check_lun_exist(lun_id):
if lungroup_id:
lungroup_ids = self.restclient.get_lungroupids_by_lunid(lun_id)
if lungroup_id in lungroup_ids:
self.restclient.remove_lun_from_lungroup(
lungroup_id, lun_id)
else:
LOG.warning(
_LW("Lun is not in lungroup. "
"Lun id: %(lun_id)s. "
"lungroup id: %(lungroup_id)s."), {
"lun_id": lun_id,
"lungroup_id": lungroup_id
})
else:
LOG.warning(_LW("Can't find lun on the array."))
# Remove portgroup from mapping view if no lun left in lungroup.
if lungroup_id:
left_lunnum = self.restclient.get_lunnum_from_lungroup(lungroup_id)
if portgroup_id and view_id and (int(left_lunnum) <= 0):
if self.restclient.is_portgroup_associated_to_view(
view_id, portgroup_id):
self.restclient.delete_portgroup_mapping_view(
view_id, portgroup_id)
if view_id and (int(left_lunnum) <= 0):
self.restclient.remove_chap(initiator_name)
if self.restclient.lungroup_associated(view_id, lungroup_id):
self.restclient.delete_lungroup_mapping_view(
view_id, lungroup_id)
self.restclient.delete_lungroup(lungroup_id)
if self.restclient.is_initiator_associated_to_host(initiator_name):
self.restclient.remove_iscsi_from_host(initiator_name)
hostgroup_name = constants.HOSTGROUP_PREFIX + host_id
hostgroup_id = self.restclient.find_hostgroup(hostgroup_name)
if hostgroup_id:
if self.restclient.hostgroup_associated(view_id, hostgroup_id):
self.restclient.delete_hostgoup_mapping_view(
view_id, hostgroup_id)
self.restclient.remove_host_from_hostgroup(
hostgroup_id, host_id)
self.restclient.delete_hostgroup(hostgroup_id)
self.restclient.remove_host(host_id)
self.restclient.delete_mapping_view(view_id)
def initialize_connection(self, volume, connector):
"""Map a volume to a host and return target iSCSI information."""
LOG.info(_LI('Enter initialize_connection.'))
initiator_name = connector['initiator']
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(
_LI('initiator name: %(initiator_name)s, '
'volume name: %(volume)s.'), {
'initiator_name': initiator_name,
'volume': volume_name
})
(iscsi_iqns, target_ips,
portgroup_id) = self.restclient.get_iscsi_params(
self.xml_file_path, connector)
LOG.info(
_LI('initialize_connection, iscsi_iqn: %(iscsi_iqn)s, '
'target_ip: %(target_ip)s, '
'portgroup_id: %(portgroup_id)s.'),
{
'iscsi_iqn': iscsi_iqns,
'target_ip': target_ips,
'portgroup_id': portgroup_id
},
)
# Create hostgroup if not exist.
host_name = connector['host']
host_name_before_hash = None
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name_before_hash = host_name
host_name = six.text_type(hash(host_name))
host_id = self.restclient.add_host_with_check(host_name,
host_name_before_hash)
# Add initiator to the host.
self.restclient.ensure_initiator_added(self.xml_file_path,
initiator_name, host_id)
hostgroup_id = self.restclient.add_host_into_hostgroup(host_id)
lun_id = self.restclient.get_lunid(volume, volume_name)
# Mapping lungroup and hostgroup to view.
self.restclient.do_mapping(lun_id, hostgroup_id, host_id, portgroup_id)
hostlun_id = self.restclient.find_host_lun_id(host_id, lun_id)
LOG.info(_LI("initialize_connection, host lun id is: %s."), hostlun_id)
iscsi_conf = huawei_utils.get_iscsi_conf(self.xml_file_path)
chapinfo = self.restclient.find_chap_info(iscsi_conf, initiator_name)
# Return iSCSI properties.
properties = {}
properties['target_discovered'] = False
properties['volume_id'] = volume['id']
multipath = connector.get('multipath', False)
hostlun_id = int(hostlun_id)
if not multipath:
properties['target_portal'] = ('%s:3260' % target_ips[0])
properties['target_iqn'] = iscsi_iqns[0]
properties['target_lun'] = hostlun_id
else:
properties['target_iqns'] = [iqn for iqn in iscsi_iqns]
properties['target_portals'] = [
'%s:3260' % ip for ip in target_ips
]
properties['target_luns'] = [hostlun_id] * len(target_ips)
# If use CHAP, return CHAP info.
if chapinfo:
chap_username, chap_password = chapinfo.split(';')
properties['auth_method'] = 'CHAP'
properties['auth_username'] = chap_username
properties['auth_password'] = chap_password
LOG.info(_LI("initialize_connection success. Return data: %s."),
properties)
return {'driver_volume_type': 'iscsi', 'data': properties}
def connect_volume_fc(self, volume, connector):
"""Create map between a volume and a host for FC."""
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume.id)
LOG.info(_LI(
'initialize_connection_fc, initiator: %(wwpns)s,'
' volume name: %(volume)s.'),
{'wwpns': wwns,
'volume': volume_name})
metadata = huawei_utils.get_volume_metadata(volume)
lun_id = metadata['remote_lun_id']
if lun_id is None:
lun_id = self.rmt_client.get_lun_id_by_name(volume_name)
if lun_id is None:
msg = _("Can't get volume id. Volume name: %s.") % volume_name
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
original_host_name = connector['host']
host_name = huawei_utils.encode_host_name(original_host_name)
host_id = self.client.add_host_with_check(host_name,
original_host_name)
# Create hostgroup if not exist.
host_id = self.rmt_client.add_host_with_check(
host_name, original_host_name)
online_wwns_in_host = (
self.rmt_client.get_host_online_fc_initiators(host_id))
online_free_wwns = self.rmt_client.get_online_free_wwns()
for wwn in wwns:
if (wwn not in online_wwns_in_host
and wwn not in online_free_wwns):
wwns_in_host = (
self.rmt_client.get_host_fc_initiators(host_id))
iqns_in_host = (
self.rmt_client.get_host_iscsi_initiators(host_id))
if not (wwns_in_host or iqns_in_host):
self.rmt_client.remove_host(host_id)
msg = _('Can not add FC port to host.')
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
for wwn in wwns:
if wwn in online_free_wwns:
self.rmt_client.add_fc_port_to_host(host_id, wwn)
(tgt_port_wwns, init_targ_map) = (
self.rmt_client.get_init_targ_map(wwns))
# Add host into hostgroup.
hostgroup_id = self.rmt_client.add_host_to_hostgroup(host_id)
map_info = self.rmt_client.do_mapping(lun_id,
hostgroup_id,
host_id)
if not map_info:
msg = _('Map info is None due to array version '
'not supporting hypermetro.')
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
host_lun_id = self.rmt_client.get_host_lun_id(host_id, lun_id)
# Return FC properties.
fc_info = {'driver_volume_type': 'fibre_channel',
'data': {'target_lun': int(host_lun_id),
'target_discovered': True,
'target_wwn': tgt_port_wwns,
'volume_id': volume.id,
'initiator_target_map': init_targ_map,
'map_info': map_info},
}
LOG.info(_LI('Remote return FC info is: %s.'), fc_info)
return fc_info
def initialize_connection_iscsi(self, volume, connector):
"""Map a volume to a host and return target iSCSI information."""
LOG.info(_LI('Enter initialize_connection_iscsi.'))
initiator_name = connector['initiator']
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'initiator name: %(initiator_name)s, '
'volume name: %(volume)s.'),
{'initiator_name': initiator_name,
'volume': volume_name})
(iscsi_iqns,
target_ips,
portgroup_id) = self.restclient.get_iscsi_params(self.xml_file_path,
connector)
LOG.info(_LI('initialize_connection_iscsi, iscsi_iqn: %(iscsi_iqn)s, '
'target_ip: %(target_ip)s, '
'portgroup_id: %(portgroup_id)s.'),
{'iscsi_iqn': iscsi_iqns,
'target_ip': target_ips,
'portgroup_id': portgroup_id},)
# Create hostgroup if not exist.
host_name = connector['host']
host_name_before_hash = None
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name_before_hash = host_name
host_name = six.text_type(hash(host_name))
host_id = self.restclient.add_host_with_check(host_name,
host_name_before_hash)
# Add initiator to the host.
self.restclient.ensure_initiator_added(self.xml_file_path,
initiator_name,
host_id)
hostgroup_id = self.restclient.add_host_into_hostgroup(host_id)
# Mapping lungroup and hostgroup to view.
lun_id = self.restclient.mapping_hostgroup_and_lungroup(volume_name,
hostgroup_id,
host_id,
portgroup_id)
hostlun_id = self.restclient.find_host_lun_id(host_id, lun_id)
LOG.info(_LI("initialize_connection_iscsi, host lun id is: %s."),
hostlun_id)
iscsi_conf = huawei_utils.get_iscsi_conf(self.xml_file_path)
chapinfo = self.restclient.find_chap_info(iscsi_conf,
initiator_name)
# Return iSCSI properties.
properties = {}
properties['target_discovered'] = False
properties['volume_id'] = volume['id']
multipath = connector.get('multipath', False)
hostlun_id = int(hostlun_id)
if not multipath:
properties['target_portal'] = ('%s:3260' % target_ips[0])
properties['target_iqn'] = iscsi_iqns[0]
properties['target_lun'] = hostlun_id
else:
properties['target_iqns'] = [iqn for iqn in iscsi_iqns]
properties['target_portals'] = [
'%s:3260' % ip for ip in target_ips]
properties['target_luns'] = [hostlun_id] * len(target_ips)
# If use CHAP, return CHAP info.
if chapinfo:
chap_username, chap_password = chapinfo.split(';')
properties['auth_method'] = 'CHAP'
properties['auth_username'] = chap_username
properties['auth_password'] = chap_password
LOG.info(_LI("initialize_connection_iscsi success. Return data: %s."),
properties)
return {'driver_volume_type': 'iscsi', 'data': properties}
def terminate_connection(self, volume, connector, **kwargs):
"""Delete map between a volume and a host."""
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location')
host_name = connector['host']
left_lunnum = -1
lungroup_id = None
view_id = None
LOG.info(
_LI('terminate_connection: volume name: %(volume)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.'),
{
'volume': volume_name,
'wwns': wwns,
'lunid': lun_id
},
)
if host_name and len(host_name) > constants.MAX_HOSTNAME_LENGTH:
host_name = six.text_type(hash(host_name))
host_id = self.restclient.find_host(host_name)
if host_id:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + host_id
view_id = self.restclient.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.restclient.find_lungroup_from_map(view_id)
if lun_id and self.restclient.check_lun_exist(lun_id):
if lungroup_id:
lungroup_ids = self.restclient.get_lungroupids_by_lunid(lun_id)
if lungroup_id in lungroup_ids:
self.restclient.remove_lun_from_lungroup(
lungroup_id, lun_id)
else:
LOG.warning(
_LW("Lun is not in lungroup. "
"Lun id: %(lun_id)s. "
"Lungroup id: %(lungroup_id)s."), {
"lun_id": lun_id,
"lungroup_id": lungroup_id
})
else:
LOG.warning(_LW("Can't find lun on the array."))
if lungroup_id:
left_lunnum = self.restclient.get_lunnum_from_lungroup(lungroup_id)
if int(left_lunnum) > 0:
info = {'driver_volume_type': 'fibre_channel', 'data': {}}
else:
if not self.fcsan_lookup_service:
self.fcsan_lookup_service = fczm_utils.create_lookup_service()
if self.fcsan_lookup_service:
zone_helper = fc_zone_helper.FCZoneHelper(
self.fcsan_lookup_service, self.restclient)
(tgt_port_wwns,
init_targ_map) = (zone_helper.build_ini_targ_map(wwns))
else:
(tgt_port_wwns,
init_targ_map) = (self.restclient.get_init_targ_map(wwns))
for wwn in wwns:
if self.restclient.is_fc_initiator_associated_to_host(wwn):
self.restclient.remove_fc_from_host(wwn)
if lungroup_id:
if view_id and self.restclient.lungroup_associated(
view_id, lungroup_id):
self.restclient.delete_lungroup_mapping_view(
view_id, lungroup_id)
self.restclient.delete_lungroup(lungroup_id)
if host_id:
hostgroup_name = constants.HOSTGROUP_PREFIX + host_id
hostgroup_id = self.restclient.find_hostgroup(hostgroup_name)
if hostgroup_id:
if view_id and self.restclient.hostgroup_associated(
view_id, hostgroup_id):
self.restclient.delete_hostgoup_mapping_view(
view_id, hostgroup_id)
self.restclient.remove_host_from_hostgroup(
hostgroup_id, host_id)
self.restclient.delete_hostgroup(hostgroup_id)
if not self.restclient.check_fc_initiators_exist_in_host(
host_id):
self.restclient.remove_host(host_id)
if view_id:
self.restclient.delete_mapping_view(view_id)
info = {
'driver_volume_type': 'fibre_channel',
'data': {
'target_wwn': tgt_port_wwns,
'initiator_target_map': init_targ_map
}
}
LOG.info(_LI("terminate_connection, return data is: %s."), info)
return info
def terminate_connection_iscsi(self, volume, connector):
"""Delete map between a volume and a host."""
initiator_name = connector['initiator']
volume_name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location', None)
host_name = connector['host']
LOG.info(_LI(
'terminate_connection_iscsi: volume name: %(volume)s, '
'initiator name: %(ini)s, '
'lun_id: %(lunid)s.'),
{'volume': volume_name,
'ini': initiator_name,
'lunid': lun_id},)
iscsi_conf = huawei_utils.get_iscsi_conf(self.xml_file_path)
portgroup = None
portgroup_id = None
left_lunnum = -1
for ini in iscsi_conf['Initiator']:
if ini['Name'] == initiator_name:
for key in ini:
if key == 'TargetPortGroup':
portgroup = ini['TargetPortGroup']
break
# Remove lun from lungroup.
if lun_id:
if self.restclient.check_lun_exist(lun_id):
# Get lungroup id by lun id.
lungroup_id = self.restclient.get_lungroupid_by_lunid(lun_id)
if lungroup_id:
self.restclient.remove_lun_from_lungroup(lungroup_id,
lun_id)
else:
LOG.warning(_LW("Can't find lun on the array."))
# Remove portgroup from mapping view if no lun left in lungroup.
if portgroup:
portgroup_id = self.restclient.find_tgt_port_group(portgroup)
host_id = self.restclient.find_host(host_name)
if host_id:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + host_id
view_id = self.restclient.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.restclient.find_lungroup_from_map(view_id)
if lungroup_id:
left_lunnum = self.restclient.get_lunnum_from_lungroup(lungroup_id)
if portgroup_id and view_id and (int(left_lunnum) <= 0):
if self.restclient.is_portgroup_associated_to_view(view_id,
portgroup_id):
self.restclient.delete_portgroup_mapping_view(view_id,
portgroup_id)
if view_id and (int(left_lunnum) <= 0):
self.restclient.remove_chap(initiator_name)
if self.restclient.lungroup_associated(view_id, lungroup_id):
self.restclient.delete_lungroup_mapping_view(view_id,
lungroup_id)
self.restclient.delete_lungroup(lungroup_id)
if self.restclient.is_initiator_associated_to_host(initiator_name):
self.restclient.remove_iscsi_from_host(initiator_name)
hostgroup_name = constants.HOSTGROUP_PREFIX + host_id
hostgroup_id = self.restclient.find_hostgroup(hostgroup_name)
if hostgroup_id:
if self.restclient.hostgroup_associated(view_id, hostgroup_id):
self.restclient.delete_hostgoup_mapping_view(view_id,
hostgroup_id)
self.restclient.remove_host_from_hostgroup(hostgroup_id,
host_id)
self.restclient.delete_hostgroup(hostgroup_id)
self.restclient.remove_host(host_id)
self.restclient.delete_mapping_view(view_id)
def initialize_connection(self, volume, connector):
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'initialize_connection, initiator: %(wwpns)s,'
' volume name: %(volume)s.'),
{'wwpns': wwns,
'volume': volume_name},)
host_name_before_hash = None
host_name = connector['host']
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name_before_hash = host_name
host_name = six.text_type(hash(host_name))
if not self.fcsan_lookup_service:
self.fcsan_lookup_service = fczm_utils.create_lookup_service()
if self.fcsan_lookup_service:
# Use FC switch.
host_id = self.restclient.add_host_with_check(
host_name, host_name_before_hash)
zone_helper = fc_zone_helper.FCZoneHelper(
self.fcsan_lookup_service, self.restclient)
(tgt_port_wwns, init_targ_map) = (
zone_helper.build_ini_targ_map(wwns))
for ini in init_targ_map:
self.restclient.ensure_fc_initiator_added(ini, host_id)
else:
# Not use FC switch.
host_id = self.restclient.add_host_with_check(
host_name, host_name_before_hash)
online_wwns_in_host = (
self.restclient.get_host_online_fc_initiators(host_id))
online_free_wwns = self.restclient.get_online_free_wwns()
for wwn in wwns:
if (wwn not in online_wwns_in_host
and wwn not in online_free_wwns):
wwns_in_host = (
self.restclient.get_host_fc_initiators(host_id))
iqns_in_host = (
self.restclient.get_host_iscsi_initiators(host_id))
if not wwns_in_host and not iqns_in_host:
self.restclient.remove_host(host_id)
msg = (_('Can not add FC initiator to host.'))
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
for wwn in wwns:
if wwn in online_free_wwns:
self.restclient.add_fc_port_to_host(host_id, wwn)
(tgt_port_wwns, init_targ_map) = (
self.restclient.get_init_targ_map(wwns))
# Add host into hostgroup.
hostgroup_id = self.restclient.add_host_into_hostgroup(host_id)
lun_id = self.restclient.mapping_hostgroup_and_lungroup(volume_name,
hostgroup_id,
host_id)
host_lun_id = self.restclient.find_host_lun_id(host_id, lun_id)
# Return FC properties.
info = {'driver_volume_type': 'fibre_channel',
'data': {'target_lun': int(host_lun_id),
'target_discovered': True,
'target_wwn': tgt_port_wwns,
'volume_id': volume['id'],
'initiator_target_map': init_targ_map}, }
LOG.info(_LI("initialize_connection, return data is: %s."),
info)
return info
def terminate_connection(self, volume, connector, **kwargs):
"""Delete map between a volume and a host."""
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
lun_id = volume.get('provider_location', None)
host_name = connector['host']
left_lunnum = -1
lungroup_id = None
view_id = None
LOG.info(_LI('terminate_connection: volume name: %(volume)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.'),
{'volume': volume_name,
'wwns': wwns,
'lunid': lun_id},)
if host_name and len(host_name) > constants.MAX_HOSTNAME_LENGTH:
host_name = six.text_type(hash(host_name))
host_id = self.restclient.find_host(host_name)
if host_id:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + host_id
view_id = self.restclient.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.restclient.find_lungroup_from_map(view_id)
if lun_id and self.restclient.check_lun_exist(lun_id):
if lungroup_id:
lungroup_ids = self.restclient.get_lungroupids_by_lunid(lun_id)
if lungroup_id in lungroup_ids:
self.restclient.remove_lun_from_lungroup(lungroup_id,
lun_id)
else:
LOG.warning(_LW("Lun is not in lungroup. "
"Lun id: %(lun_id)s. "
"Lungroup id: %(lungroup_id)s."),
{"lun_id": lun_id,
"lungroup_id": lungroup_id})
else:
LOG.warning(_LW("Can't find lun on the array."))
if lungroup_id:
left_lunnum = self.restclient.get_lunnum_from_lungroup(lungroup_id)
if int(left_lunnum) > 0:
info = {'driver_volume_type': 'fibre_channel',
'data': {}}
else:
if not self.fcsan_lookup_service:
self.fcsan_lookup_service = fczm_utils.create_lookup_service()
if self.fcsan_lookup_service:
zone_helper = fc_zone_helper.FCZoneHelper(
self.fcsan_lookup_service, self.restclient)
(tgt_port_wwns, init_targ_map) = (
zone_helper.build_ini_targ_map(wwns))
else:
(tgt_port_wwns, init_targ_map) = (
self.restclient.get_init_targ_map(wwns))
for wwn in wwns:
if self.restclient.is_fc_initiator_associated_to_host(wwn):
self.restclient.remove_fc_from_host(wwn)
if lungroup_id:
if view_id and self.restclient.lungroup_associated(
view_id, lungroup_id):
self.restclient.delete_lungroup_mapping_view(view_id,
lungroup_id)
self.restclient.delete_lungroup(lungroup_id)
if host_id:
hostgroup_name = constants.HOSTGROUP_PREFIX + host_id
hostgroup_id = self.restclient.find_hostgroup(hostgroup_name)
if hostgroup_id:
if view_id and self.restclient.hostgroup_associated(
view_id, hostgroup_id):
self.restclient.delete_hostgoup_mapping_view(
view_id, hostgroup_id)
self.restclient.remove_host_from_hostgroup(
hostgroup_id, host_id)
self.restclient.delete_hostgroup(hostgroup_id)
if not self.restclient.check_fc_initiators_exist_in_host(
host_id):
self.restclient.remove_host(host_id)
if view_id:
self.restclient.delete_mapping_view(view_id)
info = {'driver_volume_type': 'fibre_channel',
'data': {'target_wwn': tgt_port_wwns,
'initiator_target_map': init_targ_map}}
LOG.info(_LI("terminate_connection, return data is: %s."),
info)
return info
def disconnect_volume_fc(self, volume, connector):
"""Delete map between a volume and a host for FC."""
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume.id)
metadata = huawei_utils.get_volume_metadata(volume)
lun_id = metadata['remote_lun_id']
host_name = connector['host']
left_lunnum = -1
lungroup_id = None
view_id = None
LOG.info(_LI('terminate_connection_fc: volume name: %(volume)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.'),
{'volume': volume_name,
'wwns': wwns,
'lunid': lun_id},)
host_name = huawei_utils.encode_host_name(host_name)
hostid = self.rmt_client.get_host_id_by_name(host_name)
if hostid:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + hostid
view_id = self.rmt_client.find_mapping_view(
mapping_view_name)
if view_id:
lungroup_id = self.rmt_client.find_lungroup_from_map(
view_id)
if lun_id and self.rmt_client.check_lun_exist(lun_id):
if lungroup_id:
lungroup_ids = self.rmt_client.get_lungroupids_by_lunid(
lun_id)
if lungroup_id in lungroup_ids:
self.rmt_client.remove_lun_from_lungroup(
lungroup_id, lun_id)
else:
LOG.warning(_LW("Lun is not in lungroup. "
"Lun id: %(lun_id)s, "
"lungroup id: %(lungroup_id)s"),
{"lun_id": lun_id,
"lungroup_id": lungroup_id})
(tgt_port_wwns, init_targ_map) = (
self.rmt_client.get_init_targ_map(wwns))
hostid = self.rmt_client.get_host_id_by_name(host_name)
if hostid:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + hostid
view_id = self.rmt_client.find_mapping_view(
mapping_view_name)
if view_id:
lungroup_id = self.rmt_client.find_lungroup_from_map(
view_id)
if lungroup_id:
left_lunnum = self.rmt_client.get_lunnum_from_lungroup(
lungroup_id)
if int(left_lunnum) > 0:
info = {'driver_volume_type': 'fibre_channel',
'data': {}}
else:
info = {'driver_volume_type': 'fibre_channel',
'data': {'target_wwn': tgt_port_wwns,
'initiator_target_map': init_targ_map}, }
return info