def disconnect_volume_fc(self, volume, connector):
"""Delete map between a volume and a host for FC."""
lun_id, _ = huawei_utils.get_volume_lun_id(self.rmt_client, volume)
lungroup_id = None
if connector is None or 'host' not in connector:
host_name, wwns = huawei_utils.get_fc_mapping_info(
self.rmt_client, lun_id)
else:
host_name = connector['host']
wwns = connector['wwpns']
LOG.info(
'terminate_connection_fc: volume: %(id)s, wwpns: %(wwns)s, '
'lun_id: %(lunid)s.',
{
'id': volume.id,
'wwns': wwns,
'lunid': lun_id
},
)
hostid = huawei_utils.get_host_id(self.rmt_client, 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(
"Lun is not in lungroup. "
"Lun id: %(lun_id)s, "
"lungroup id: %(lungroup_id)s", {
"lun_id": lun_id,
"lungroup_id": lungroup_id
})
def connect_volume_fc(self, volume, connector):
"""Create map between a volume and a host for FC."""
wwns = connector['wwpns']
LOG.info(
_LI('initialize_connection_fc, initiator: %(wwpns)s,'
'volume id: %(id)s.'), {
'wwpns': wwns,
'id': volume.id
})
lun_id, _ = huawei_utils.get_volume_lun_id(self.rmt_client, volume)
if not lun_id:
msg = _("Can't get volume id. Volume name: %s.") % volume.id
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
original_host_name = connector['host']
# Create hostgroup if not exist.
host_id = self.rmt_client.add_host_with_check(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()
fc_initiators_on_array = self.rmt_client.get_fc_initiator_on_array()
wwns = [i for i in wwns if i in fc_initiators_on_array]
for wwn in wwns:
if (wwn not in online_wwns_in_host
and wwn not in online_free_wwns):
wwns.remove(wwn)
if (self.configuration.rmt_min_fc_ini_online ==
constants.DEFAULT_MINIMUM_FC_INITIATOR_ONLINE):
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't add FC initiator %(wwn)s to host %(host)s,"
" please check if this initiator has been added "
"to other host or isn't present on array.") % {
"wwn": wwn,
"host": host_id
})
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
if len(wwns) < self.configuration.rmt_min_fc_ini_online:
msg = (("The number of online fc initiator %(wwns)s less than"
" the set %(set)s number.") % {
"wwns": wwns,
"set": self.configuration.rmt_min_fc_ini_online
})
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
for wwn in wwns:
self.rmt_client.ensure_fc_initiator_added(wwn, host_id,
connector['host'])
(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,
hypermetro_lun=True)
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 disconnect_volume_fc(self, volume, connector):
"""Delete map between a volume and a host for FC."""
wwns = connector['wwpns']
lun_id, lun_wwn = huawei_utils.get_volume_lun_id(
self.rmt_client, volume)
host_name = connector['host']
left_lunnum = -1
lungroup_id = None
view_id = None
LOG.info(
'terminate_connection_fc: volume: %(id)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.',
{
'id': volume.id,
'wwns': wwns,
'lunid': lun_id
},
)
hostid = huawei_utils.get_host_id(self.rmt_client, 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(
"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 = huawei_utils.get_host_id(self.rmt_client, 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_obj_count_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']
LOG.info(
'initialize_connection_fc, initiator: %(wwpns)s, '
'volume id: %(id)s.', {
'wwpns': wwns,
'id': volume.id
})
lun_id, lun_wwn = huawei_utils.get_volume_lun_id(
self.rmt_client, volume)
if lun_id is None:
msg = _("Can't get volume id. Volume name: %s.") % volume.id
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
original_host_name = connector['host']
host_id = self.client.add_host_with_check(original_host_name)
# Create hostgroup if not exist.
host_id = self.rmt_client.add_host_with_check(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,
hypermetro_lun=True)
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('Remote return FC info is: %s.', fc_info)
return fc_info