def export_destroy(req, pool, vol, initiator_wwn):
mod = pool_module(pool)
fm = FabricModule('iscsi')
t = Target(fm, target_name)
tpg = TPG(t, 1)
na = NodeACL(tpg, initiator_wwn)
pool_dev_name = mod.pool2dev_name(pool)
for mlun in na.mapped_luns:
# all SOs are Block so we can access udev_path safely
if mod.has_udev_path(mlun.tpg_lun.storage_object.udev_path):
mlun_vg, mlun_name = \
mod.split_udev_path(mlun.tpg_lun.storage_object.udev_path)
if mlun_vg == pool_dev_name and mlun_name == vol:
tpg_lun = mlun.tpg_lun
mlun.delete()
# be tidy and delete unused tpg lun mappings?
if not any(tpg_lun.mapped_luns):
so = tpg_lun.storage_object
tpg_lun.delete()
so.delete()
break
else:
raise TargetdError(TargetdError.NOT_FOUND_VOLUME_EXPORT,
"Volume '%s' not found in %s exports" %
(vol, initiator_wwn))
# Clean up tree if branch has no leaf
if not any(na.mapped_luns):
na.delete()
if not any(tpg.node_acls):
tpg.delete()
if not any(t.tpgs):
t.delete()
RTSRoot().save_to_file()
def destroy(req, pool, name):
with ignored(RTSLibNotInCFS):
fm = FabricModule('iscsi')
t = Target(fm, target_name, mode='lookup')
tpg = TPG(t, 1, mode='lookup')
so_name = get_so_name(pool, name)
if so_name in (lun.storage_object.name for lun in tpg.luns):
raise TargetdError(
TargetdError.VOLUME_MASKED, "Volume '%s' cannot be "
"removed while exported" % name)
pool_module(pool).destroy(req, pool, name)
def destroy(req, pool, name):
with ignored(RTSLibNotInCFS):
fm = FabricModule('iscsi')
t = Target(fm, target_name, mode='lookup')
tpg = TPG(t, 1, mode='lookup')
so_name = "%s:%s" % (pool, name)
if so_name in (lun.storage_object.name for lun in tpg.luns):
raise TargetdError(
-303, "Volume '%s' cannot be "
"removed while exported" % name)
with vgopen(get_vg_lv(pool)[0]) as vg:
vg.lvFromName(name).remove()
def export_destroy(req, pool, vol, initiator_wwn):
pool_check(pool)
fm = FabricModule('iscsi')
t = Target(fm, target_name)
tpg = TPG(t, 1)
na = NodeACL(tpg, initiator_wwn)
vg_name, thin_pool = get_vg_lv(pool)
for mlun in na.mapped_luns:
# all SOs are Block so we can access udev_path safely
mlun_vg, mlun_name = \
mlun.tpg_lun.storage_object.udev_path.split("/")[2:]
if mlun_vg == vg_name and mlun_name == vol:
tpg_lun = mlun.tpg_lun
mlun.delete()
# be tidy and delete unused tpg lun mappings?
if not any(tpg_lun.mapped_luns):
so = tpg_lun.storage_object
tpg_lun.delete()
so.delete()
break
else:
raise TargetdError(-151, "Volume '%s' not found in %s exports" %
(vol, initiator_wwn))
# Clean up tree if branch has no leaf
if not any(na.mapped_luns):
na.delete()
if not any(tpg.node_acls):
tpg.delete()
if not any(t.tpgs):
t.delete()
RTSRoot().save_to_file()
def export_destroy(req, pool, vol, initiator_wwn):
pool_check(pool)
fm = FabricModule('iscsi')
t = Target(fm, target_name)
tpg = TPG(t, 1)
na = NodeACL(tpg, initiator_wwn)
vg_name, thin_pool = get_vg_lv(pool)
for mlun in na.mapped_luns:
# all SOs are Block so we can access udev_path safely
mlun_vg, mlun_name = \
mlun.tpg_lun.storage_object.udev_path.split("/")[2:]
if mlun_vg == vg_name and mlun_name == vol:
tpg_lun = mlun.tpg_lun
mlun.delete()
# be tidy and delete unused tpg lun mappings?
if not any(tpg_lun.mapped_luns):
so = tpg_lun.storage_object
tpg_lun.delete()
so.delete()
break
else:
raise TargetdError(
-151, "Volume '%s' not found in %s exports" % (vol, initiator_wwn))
# Clean up tree if branch has no leaf
if not any(na.mapped_luns):
na.delete()
if not any(tpg.node_acls):
tpg.delete()
if not any(t.tpgs):
t.delete()
RTSRoot().save_to_file()
def create_target(self, wwn):
target_dict = self.target.get(wwn, None)
target = None
if target_dict is None:
Log.info('creating target with wwn %s' % (wwn))
# The wwn will be lowercased automatically by something
# outside this library. I'm not sure if its RTSLib or
# the underlying Linux target system
target = Target(self.iscsi, wwn)
# Add target to data structure, initialize empty child nodes
self.target[wwn] = {'target': target, 'tpg': {}}
else:
Log.info('target %s already exists, not creating' % (wwn))
target = target_dict['target']
return target
def destroy(req, pool, name):
mod = pool_module(pool)
if not check_vol_exists(req, pool, name):
raise TargetdError(TargetdError.NOT_FOUND_VOLUME,
"Volume %s not found in pool %s" % (name, pool))
with ignored(RTSLibNotInCFS):
fm = FabricModule('iscsi')
t = Target(fm, target_name, mode='lookup')
tpg = TPG(t, 1, mode='lookup')
so_name = get_so_name(pool, name)
if so_name in (lun.storage_object.name for lun in tpg.luns):
raise TargetdError(TargetdError.VOLUME_MASKED,
"Volume '%s' cannot be "
"removed while exported" % name)
pool_module(pool).destroy(req, pool, name)
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 initiator_set_auth(req, initiator_wwn, in_user, in_pass, out_user,
out_pass):
fm = FabricModule('iscsi')
t = Target(fm, target_name)
tpg = TPG(t, 1)
na = NodeACL(tpg, initiator_wwn)
if not in_user or not in_pass:
# rtslib treats '' as its NULL value for these
in_user = in_pass = ''
if not out_user or not out_pass:
out_user = out_pass = ''
na.chap_userid = in_user
na.chap_password = in_pass
na.chap_mutual_userid = out_user
na.chap_mutual_password = out_pass
RTSRoot().save_to_file()
def export_list(req):
try:
fm = FabricModule('iscsi')
t = Target(fm, target_name, mode='lookup')
tpg = TPG(t, 1, mode='lookup')
except RTSLibNotInCFS:
return []
exports = []
for na in tpg.node_acls:
for mlun in na.mapped_luns:
mod = udev_path_module(mlun.tpg_lun.storage_object.udev_path)
mlun_pool, mlun_name = \
mod.split_udev_path(mlun.tpg_lun.storage_object.udev_path)
vinfo = mod.vol_info(mod.dev2pool_name(mlun_pool), mlun_name)
exports.append(
dict(initiator_wwn=na.node_wwn,
lun=mlun.mapped_lun,
vol_name=mlun_name,
pool=mlun_pool,
vol_uuid=vinfo.uuid,
vol_size=vinfo.size))
return exports
def export_list(req):
try:
fm = FabricModule('iscsi')
t = Target(fm, target_name, mode='lookup')
tpg = TPG(t, 1, mode='lookup')
except RTSLibNotInCFS:
return []
exports = []
for na in tpg.node_acls:
for mlun in na.mapped_luns:
mlun_vg, mlun_name = \
mlun.tpg_lun.storage_object.udev_path.split("/")[2:]
with vgopen(get_vg_lv(mlun_vg)[0]) as vg:
lv = vg.lvFromName(mlun_name)
exports.append(
dict(initiator_wwn=na.node_wwn,
lun=mlun.mapped_lun,
vol_name=mlun_name,
pool=mlun_vg,
vol_uuid=lv.getUuid(),
vol_size=lv.getSize()))
return exports
def export_list(req):
try:
fm = FabricModule('iscsi')
t = Target(fm, target_name, mode='lookup')
tpg = TPG(t, 1, mode='lookup')
except RTSLibNotInCFS:
return []
exports = []
for na in tpg.node_acls:
for mlun in na.mapped_luns:
mlun_vg, mlun_name = \
mlun.tpg_lun.storage_object.udev_path.split("/")[2:]
lv = bd.lvm.lvinfo(mlun_vg, mlun_name)
exports.append(
dict(initiator_wwn=na.node_wwn,
lun=mlun.mapped_lun,
vol_name=mlun_name,
pool=mlun_vg,
vol_uuid=lv.uuid,
vol_size=lv.size))
return exports
def _get_iscsi_tpg():
fabric_module = FabricModule('iscsi')
target = Target(fabric_module, target_name)
return TPG(target, 1)