proliantutils/proliantutils/redfish/resources/system/iscsi.py

82 lines
2.6 KiB
Python

# Copyright 2017 Hewlett Packard Enterprise Development LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from sushy.resources import base
from proliantutils.redfish import utils
class ISCSIResource(base.ResourceBase):
"""Class that represents the iSCSI resource.
This class extends the functionality of base resource class
from sushy.
"""
iscsi_initiator = base.Field("iSCSIInitiatorName")
_iscsi_settings = None
def is_iscsi_boot_supported(self):
"""Checks whether iscsi boot is supported or not.
To find the iscsi boot support, check whether the PATCH
operation is allowed on the iscsi 'settings' uri.
:returns: True if it is supported else False
"""
return utils.is_operation_allowed(
'PATCH', self,
['@Redfish.Settings', 'SettingsObject'])
@property
def iscsi_settings(self):
"""Property to provide reference to iSCSI settings instance
It is calculated once when the first time it is queried. On refresh,
this property gets reset.
"""
if self._iscsi_settings is None:
self._iscsi_settings = ISCSISettings(
self._conn,
utils.get_subresource_path_by(
self, ["@Redfish.Settings", "SettingsObject"]),
redfish_version=self.redfish_version)
self._iscsi_settings.refresh(force=False)
return self._iscsi_settings
def _do_refresh(self, force):
"""Do custom resource specific refresh activities
On refresh, all sub-resources are marked as stale, i.e.
greedy-refresh not done for them unless forced by ``force``
argument.
"""
if self._iscsi_settings is not None:
self._iscsi_settings.invalidate(force)
class ISCSISettings(base.ResourceBase):
"""Class that represents the iSCSI settings.
This class extends the functionality of base resource class
from sushy.
"""
def update_iscsi_settings(self, iscsi_data):
"""Update iscsi data
:param data: default iscsi config data
"""
self._conn.patch(self.path, data=iscsi_data)