proliantutils/proliantutils/redfish/resources/system/storage/logical_drive.py

80 lines
2.5 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
from proliantutils.redfish.resources.system.storage import mappings
class HPELogicalDrive(base.ResourceBase):
"""This class represents the LogicalDrives resource"""
identity = base.Field('Id')
name = base.Field('Name')
description = base.Field('Description')
capacity_mib = base.Field('CapacityMiB', adapter=int)
raid = base.MappedField('Raid', mappings.RAID_LEVEL_MAP)
class HPELogicalDriveCollection(base.ResourceCollectionBase):
"""This class represents the collection of LogicalDrives resource"""
_maximum_size_mib = None
_logical_raid_levels = None
@property
def _resource_type(self):
return HPELogicalDrive
@property
def maximum_size_mib(self):
"""Gets the biggest logical drive
:returns size in MiB.
"""
if self._maximum_size_mib is None:
self._maximum_size_mib = (
utils.max_safe([member.capacity_mib
for member in self.get_members()]))
return self._maximum_size_mib
@property
def logical_raid_levels(self):
"""Gets the raid level for each logical volume
:returns the set of list of raid levels configured.
"""
if self._logical_raid_levels is None:
self._logical_raid_levels = set()
for member in self.get_members():
self._logical_raid_levels.add(
mappings.RAID_LEVEL_MAP_REV.get(member.raid))
return self._logical_raid_levels
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.
"""
self._maximum_size_mib = None
self._logical_raid_levels = None