def initialize_connection(self, volume, connector):
"""Create FC connection between a volume and a host."""
LOG.debug(
'initialize_connection: volume name: %(vol)s, '
'host: %(host)s, initiator: %(wwn)s' % {
'vol': volume['name'],
'host': connector['host'],
'wwn': connector['wwpns']
})
lun_id = self.sshclient.check_volume_exist_on_array(volume)
if not lun_id:
msg = _("Volume %s not exists on the array.") % volume['id']
raise exception.VolumeBackendAPIException(data=msg)
self.sshclient.update_login_info()
# First, add a host if it is not added before.
host_id = self.sshclient.add_host(connector['host'], connector['ip'])
# Then, add free FC ports to the host.
wwns = connector['wwpns']
if not self.zm:
self.zm = fczm_utils.create_zone_manager()
if self.zm:
# Use FC switch
zone_helper = fc_zone_helper.FCZoneHelper(self.zm, self.sshclient)
port_list = self.sshclient.get_all_fc_ports_from_array()
(tgt_port_wwns, init_targ_map) = zone_helper.build_ini_tgt_map(
wwns, host_id, port_list, True)
else:
free_wwns = self.sshclient.get_connected_free_wwns()
for wwn in free_wwns:
if wwn in wwns:
self.sshclient.add_fc_port_to_host(host_id, wwn)
fc_port_details = self.sshclient.get_host_port_details(host_id)
tgt_port_wwns = self._get_tgt_fc_port_wwns(fc_port_details)
LOG.debug('initialize_connection: Target FC ports WWNS: %s' %
tgt_port_wwns)
try:
hostlun_id = self.sshclient.map_volume(host_id, lun_id)
except Exception:
with excutils.save_and_reraise_exception():
# Remove the FC port from the host if the map failed.
self._remove_fc_ports(host_id, wwns)
properties = {}
properties['target_discovered'] = False
properties['target_wwn'] = tgt_port_wwns
properties['target_lun'] = int(hostlun_id)
properties['volume_id'] = volume['id']
return {'driver_volume_type': 'fibre_channel', 'data': properties}
def initialize_connection(self, volume, connector):
"""Create FC connection between a volume and a host."""
LOG.debug('initialize_connection: volume name: %(vol)s, '
'host: %(host)s, initiator: %(wwn)s'
% {'vol': volume['name'],
'host': connector['host'],
'wwn': connector['wwpns']})
lun_id = self.sshclient.check_volume_exist_on_array(volume)
if not lun_id:
msg = _("Volume %s not exists on the array.") % volume['id']
raise exception.VolumeBackendAPIException(data=msg)
self.sshclient.update_login_info()
# First, add a host if it is not added before.
host_id = self.sshclient.add_host(connector['host'], connector['ip'])
# Then, add free FC ports to the host.
wwns = connector['wwpns']
if not self.zm:
self.zm = fczm_utils.create_zone_manager()
if self.zm:
# Use FC switch
zone_helper = fc_zone_helper.FCZoneHelper(self.zm, self.sshclient)
port_list = self.sshclient.get_all_fc_ports_from_array()
(tgt_port_wwns,
init_targ_map) = zone_helper.build_ini_tgt_map(wwns, host_id,
port_list, True)
else:
free_wwns = self.sshclient.get_connected_free_wwns()
for wwn in free_wwns:
if wwn in wwns:
self.sshclient.add_fc_port_to_host(host_id, wwn)
fc_port_details = self.sshclient.get_host_port_details(host_id)
tgt_port_wwns = self._get_tgt_fc_port_wwns(fc_port_details)
LOG.debug('initialize_connection: Target FC ports WWNS: %s'
% tgt_port_wwns)
try:
hostlun_id = self.sshclient.map_volume(host_id, lun_id)
except Exception:
with excutils.save_and_reraise_exception():
# Remove the FC port from the host if the map failed.
self._remove_fc_ports(host_id, wwns)
properties = {}
properties['target_discovered'] = False
properties['target_wwn'] = tgt_port_wwns
properties['target_lun'] = int(hostlun_id)
properties['volume_id'] = volume['id']
return {'driver_volume_type': 'fibre_channel',
'data': properties}
def _delete_zone_and_remove_initiators(self, wwns, host_id):
if host_id is None:
return
self._remove_fc_ports(host_id, wwns)
if not self.zm:
self.zm = fczm_utils.create_zone_manager()
if self.zm:
# Use FC switch, need to delete zone
# Use FC switch
zone_helper = fc_zone_helper.FCZoneHelper(self.zm, self.sshclient)
port_list = self.sshclient.get_all_fc_ports_from_array()
(tgt_port_wwns, init_targ_map) = zone_helper.build_ini_tgt_map(
wwns, host_id, port_list, True)
self.zm.delete_connection(init_targ_map)
def _delete_zone_and_remove_initiators(self, wwns, host_id):
if host_id is None:
return
self._remove_fc_ports(host_id, wwns)
if not self.zm:
self.zm = fczm_utils.create_zone_manager()
if self.zm:
# Use FC switch, need to delete zone
# Use FC switch
zone_helper = fc_zone_helper.FCZoneHelper(self.zm, self.sshclient)
port_list = self.sshclient.get_all_fc_ports_from_array()
(tgt_port_wwns,
init_targ_map) = zone_helper.build_ini_tgt_map(wwns, host_id,
port_list, True)
self.zm.delete_connection(init_targ_map)