def access_group_init_add(req, ag_name, init_id, init_type):
if init_type != 'iscsi':
raise TargetdError(TargetdError.NO_SUPPORT, "Only support iscsi")
tpg = _get_iscsi_tpg()
# Pre-check:
# 1. Already in requested access group, return silently.
# 2. Initiator does not exist.
# 3. Initiator not used by other access group.
if init_id in list(NodeACLGroup(tpg, ag_name).wwns):
return
for node_acl_group in tpg.node_acl_groups:
if init_id in list(node_acl_group.wwns):
raise TargetdError(
TargetdError.EXISTS_INITIATOR,
"Requested init_id is used by other access group")
for node_acl in tpg.node_acls:
if init_id == node_acl.node_wwn:
raise TargetdError(TargetdError.EXISTS_INITIATOR,
"Requested init_id is in use")
NodeACLGroup(tpg, ag_name).add_acl(init_id)
RTSRoot().save_to_file()
def access_group_create(req, ag_name, init_id, init_type):
if init_type != 'iscsi':
raise TargetdError(
TargetdError.NO_SUPPORT, "Only support iscsi")
name_check(ag_name)
tpg = _get_iscsi_tpg()
# Pre-check:
# 1. Name conflict: requested name is in use
# 2. Initiator conflict: request initiator is in use
for node_acl_group in tpg.node_acl_groups:
if node_acl_group.name == ag_name:
raise TargetdError(
TargetdError.NAME_CONFLICT,
"Requested access group name is in use")
if init_id in list(i.node_wwn for i in tpg.node_acls):
raise TargetdError(
TargetdError.EXISTS_INITIATOR,
"Requested init_id is in use")
node_acl_group = NodeACLGroup(tpg, ag_name)
node_acl_group.add_acl(init_id)
RTSRoot().save_to_file()
def access_group_init_del(req, ag_name, init_id, init_type):
if init_type != 'iscsi':
raise TargetdError(TargetdError.NO_SUPPORT, "Only support iscsi")
tpg = _get_iscsi_tpg()
# Pre-check:
# 1. Initiator is not in requested access group, return silently.
if init_id not in list(NodeACLGroup(tpg, ag_name).wwns):
return
NodeACLGroup(tpg, ag_name).remove_acl(init_id)
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 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')
set_portal_addresses(tpg)
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 MAX_LUN
free_h_lun_ids = set(range(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" % 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 access_group_create(req, ag_name, init_id, init_type):
if init_type != 'iscsi':
raise TargetdError(TargetdError.NO_SUPPORT, "Only support iscsi")
name_check(ag_name)
tpg = _get_iscsi_tpg()
# Pre-check:
# 1. Name conflict: requested name is in use
# 2. Initiator conflict: request initiator is in use
for node_acl_group in tpg.node_acl_groups:
if node_acl_group.name == ag_name:
raise TargetdError(TargetdError.NAME_CONFLICT,
"Requested access group name is in use")
if init_id in list(i.node_wwn for i in tpg.node_acls):
raise TargetdError(TargetdError.EXISTS_INITIATOR,
"Requested init_id is in use")
node_acl_group = NodeACLGroup(tpg, ag_name)
node_acl_group.add_acl(init_id)
RTSRoot().save_to_file()
def access_group_map_destroy(req, pool_name, vol_name, ag_name):
tpg = _get_iscsi_tpg()
node_acl_group = NodeACLGroup(tpg, ag_name)
tpg_lun = _tpg_lun_of(tpg, pool_name, vol_name)
for map_group in node_acl_group.mapped_lun_groups:
if map_group.tpg_lun == tpg_lun:
map_group.delete()
if not any(tpg_lun.mapped_luns):
# If LUN is not masked to any access group or initiator
# remove LUN instance.
lun_so = tpg_lun.storage_object
tpg_lun.delete()
lun_so.delete()
RTSRoot().save_to_file()
def access_group_destroy(req, ag_name):
NodeACLGroup(_get_iscsi_tpg(), ag_name).delete()
RTSRoot().save_to_file()