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
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
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 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)
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
