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# 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.
# This is referred from Redfish standard schema.
# http://redfish.dmtf.org/schemas/v1/SimpleStorage.v1_2_0.json
import logging
from sushy.resources import base
from sushy.resources import common
from sushy.resources import constants as res_cons
from sushy import utils
LOG = logging.getLogger(__name__)
class DeviceListField(base.ListField):
"""The storage device/s associated with SimpleStorage."""
name = base.Field('Name', required=True)
"""The name of the storage device"""
capacity_bytes = base.Field('CapacityBytes', adapter=utils.int_or_none)
"""The size of the storage device."""
status = common.StatusField('Status')
"""Describes the status and health of a storage device."""
class SimpleStorage(base.ResourceBase):
"""This class represents a simple storage.
It represents the properties of a storage controller and its
directly-attached devices. A storage device can be a disk drive or optical
media device.
"""
identity = base.Field('Id', required=True)
"""The SimpleStorage identity string"""
name = base.Field('Name')
"""The name of the resource"""
devices = DeviceListField('Devices', default=[])
"""The storage devices associated with this resource."""
class SimpleStorageCollection(base.ResourceCollectionBase):
"""Represents a collection of simple storage associated with system."""
@property
def _resource_type(self):
return SimpleStorage
@property
@utils.cache_it
def disks_sizes_bytes(self):
"""Sizes of each Disk in bytes in SimpleStorage collection resource.
Returns the list of cached values until it (or its parent resource)
is refreshed.
"""
return sorted(device.capacity_bytes
for simpl_stor in self.get_members()
for device in simpl_stor.devices
if (device.status.state == res_cons.State.ENABLED
and device.capacity_bytes is not None))
@property
def max_size_bytes(self):
"""Max size available (in bytes) among all enabled Disk resources.
Returns the cached value until it (or its parent resource) is
refreshed.
"""
return utils.max_safe(self.disks_sizes_bytes)
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