def access_group_create(self, name, init_id, init_type, system, flags=0):
"""
Creates of access group
"""
if system.id != self.system.id:
raise LsmError(ErrorNumber.NOT_FOUND_SYSTEM,
"System %s not found" % system.id)
if init_type != AccessGroup.INIT_TYPE_ISCSI_IQN:
raise LsmError(ErrorNumber.NO_SUPPORT,
"Nstor only support iSCSI Access Group")
# Check that init_id is not a part of another hostgroup
for ag in self.access_groups():
if init_id in ag.init_ids:
raise LsmError(
ErrorNumber.EXISTS_INITIATOR,
"%s is already part of %s access group" %
(init_id, ag.name))
if name == ag.name:
raise LsmError(ErrorNumber.NAME_CONFLICT,
"Access group with name exists!")
self._request("create_hostgroup", "stmf", [name])
self._add_initiator(name, init_id)
return AccessGroup(name, name, [init_id], init_type, system.id)
def cim_init_mg_to_lsm_ag(smis_common, cim_init_mg, system_id):
"""
Convert CIM_InitiatorMaskingGroup to lsm.AccessGroup
"""
ag_name = cim_init_mg['ElementName']
ag_id = md5(cim_init_mg['InstanceID'])
cim_inits = cim_init_of_cim_init_mg_path(smis_common, cim_init_mg.path)
(init_ids, init_type) = _init_id_and_type_of(cim_inits)
plugin_data = cim_path_to_path_str(cim_init_mg.path)
return AccessGroup(ag_id, ag_name, init_ids, init_type, system_id,
plugin_data)
def cim_spc_to_lsm_ag(smis_common, cim_spc, system_id):
"""
Convert CIM_SCSIProtocolController to lsm.AccessGroup
"""
ag_id = md5(cim_spc['DeviceID'])
ag_name = cim_spc['ElementName']
cim_inits = cim_init_of_cim_spc_path(smis_common, cim_spc.path)
(init_ids, init_type) = _init_id_and_type_of(cim_inits)
plugin_data = cim_path_to_path_str(cim_spc.path)
return AccessGroup(ag_id, ag_name, init_ids, init_type, system_id,
plugin_data)
def access_groups(self, search_key=None, search_value=None, flags=0):
"""
Returns a list of access groups
"""
hg_list = self._request("list_hostgroups", "stmf", [])
ag_list = []
for hg in hg_list:
init_ids = self._request("list_hostgroup_members", "stmf", [hg])
ag_list.append(
AccessGroup(hg, hg, init_ids, AccessGroup.INIT_TYPE_ISCSI_IQN,
self.system.id))
return search_property(ag_list, search_key, search_value)
def access_group_initiator_delete(self, access_group, init_id, init_type,
flags=0):
"""
Deletes an initiator from an access group
"""
init_ids = self._access_group_initiators(access_group)
if init_id not in init_ids:
# Already removed from requested group.
return copy.deepcopy(access_group)
self._add_initiator(access_group.name, init_id, True)
init_ids = self._request("list_hostgroup_members", "stmf",
[access_group.name])
return AccessGroup(access_group.id, access_group.name,
init_ids, AccessGroup.INIT_TYPE_ISCSI_IQN,
self.system.id)
def access_group_initiator_add(self, access_group, init_id, init_type,
flags=0):
"""
Adds an initiator to an access group
"""
if init_type != AccessGroup.INIT_TYPE_ISCSI_IQN:
raise LsmError(ErrorNumber.NO_SUPPORT,
"Nstor only support iSCSI Access Group")
init_ids = self._access_group_initiators(access_group)
if init_id in init_ids:
# Already in requested group.
return copy.deepcopy(access_group)
self._add_initiator(access_group.name, init_id)
init_ids = self._request("list_hostgroup_members", "stmf",
[access_group.name])
return AccessGroup(access_group.id, access_group.name,
init_ids, AccessGroup.INIT_TYPE_ISCSI_IQN,
self.system.id)
def access_groups(self, search_key=None, search_value=None, flags=0):
"""
Returns a list of access groups
"""
hg_list = self._request("list_hostgroups", "stmf", [])
ag_list = []
for hg in hg_list:
# The host group could get deleted out from under us, lets not
# add this entry to the returned access groups if we error while
# trying to retrieve the initiator IDs.
try:
init_ids = self._request("list_hostgroup_members", "stmf",
[hg])
ag_list.append(
AccessGroup(hg, hg, init_ids,
AccessGroup.INIT_TYPE_ISCSI_IQN,
self.system.id))
except LsmError as e:
error('nstor:access_groups: %s' % str(e))
pass
return search_property(ag_list, search_key, search_value)
def _tgt_init_to_lsm(tgt_init, sys_id):
return AccessGroup(
"%s%s" %
(TargetdStorage._FAKE_AG_PREFIX, md5(tgt_init['init_id'])), 'N/A',
[tgt_init['init_id']], AccessGroup.INIT_TYPE_ISCSI_IQN, sys_id)
def _tgt_ag_to_lsm(tgt_ag, sys_id):
return AccessGroup(tgt_ag['name'], tgt_ag['name'], tgt_ag['init_ids'],
AccessGroup.INIT_TYPE_ISCSI_IQN, sys_id)
