def create_portal(self, tpg, ip, port):
portal = None
portal_id = self.get_portal_id(ip, port)
wwn = tpg.parent_target.wwn
portal_list = self.target[wwn]['tpg'][tpg.tag]['portal']
if portal_id in portal_list:
Log.info('portal %s already exists, not creating' % (portal_id))
portal = portal_list[portal_id]
else:
Log.info('creating portal (%s, %s, %s)' % (tpg, ip, port))
portal = NetworkPortal(tpg, ip, port)
portal_list[portal_id] = portal
return portal
def export_create(req, pool, vol, initiator_wwn, lun):
fm = FabricModule('iscsi')
t = Target(fm, target_name)
tpg = TPG(t, 1)
tpg.enable = True
tpg.set_attribute("authentication", '0')
NetworkPortal(tpg, "0.0.0.0")
na = NodeACL(tpg, initiator_wwn)
tpg_lun = _tpg_lun_of(tpg, pool, vol)
# only add mapped lun if it doesn't exist
for tmp_mlun in tpg_lun.mapped_luns:
if tmp_mlun.mapped_lun == lun and tmp_mlun.parent_nodeacl == na:
break
else:
MappedLUN(na, lun, tpg_lun)
RTSRoot().save_to_file()
def access_group_map_create(req, pool_name, vol_name, ag_name, h_lun_id=None):
tpg = _get_iscsi_tpg()
tpg.enable = True
tpg.set_attribute("authentication", '0')
NetworkPortal(tpg, "0.0.0.0")
tpg_lun = _tpg_lun_of(tpg, pool_name, vol_name)
# Pre-Check:
# 1. Already mapped to requested access group, return None
if any(tpg_lun.mapped_luns):
tgt_map_list = access_group_map_list(req)
for tgt_map in tgt_map_list:
if tgt_map['ag_name'] == ag_name and \
tgt_map['pool_name'] == pool_name and \
tgt_map['vol_name'] == vol_name:
# Already masked.
return None
node_acl_group = NodeACLGroup(tpg, ag_name)
if not any(node_acl_group.wwns):
# Non-existent access group means volume mapping status will not be
# stored. This should be considered as an error instead of silently
# returning.
raise TargetdError(TargetdError.NOT_FOUND_ACCESS_GROUP,
"Access group not found")
if h_lun_id is None:
# Find out next available host LUN ID
# Assuming max host LUN ID is LUN.MAX_LUN
free_h_lun_ids = set(range(LUN.MAX_LUN+1)) - \
set([int(x.mapped_lun) for x in tpg_lun.mapped_luns])
if len(free_h_lun_ids) == 0:
raise TargetdError(
TargetdError.NO_FREE_HOST_LUN_ID,
"All host LUN ID 0 ~ %d is in use" % LUN.MAX_LUN)
else:
h_lun_id = free_h_lun_ids.pop()
node_acl_group.mapped_lun_group(h_lun_id, tpg_lun)
RTSRoot().save_to_file()
def set_portal_addresses(tpg):
for a in addresses:
NetworkPortal(tpg, a)