87 lines
2.8 KiB
Python
87 lines
2.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# This is referred from Redfish standard schema.
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# http://redfish.dmtf.org/schemas/v1/SimpleStorage.v1_2_0.json
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import logging
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from sushy.resources import base
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from sushy.resources import common
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from sushy.resources import constants as res_cons
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from sushy import utils
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LOG = logging.getLogger(__name__)
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class DeviceListField(base.ListField):
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"""The storage device/s associated with SimpleStorage."""
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name = base.Field('Name', required=True)
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"""The name of the storage device"""
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capacity_bytes = base.Field('CapacityBytes', adapter=utils.int_or_none)
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"""The size of the storage device."""
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status = common.StatusField('Status')
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"""Describes the status and health of a storage device."""
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class SimpleStorage(base.ResourceBase):
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"""This class represents a simple storage.
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It represents the properties of a storage controller and its
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directly-attached devices. A storage device can be a disk drive or optical
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media device.
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"""
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identity = base.Field('Id', required=True)
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"""The SimpleStorage identity string"""
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name = base.Field('Name')
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"""The name of the resource"""
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devices = DeviceListField('Devices', default=[])
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"""The storage devices associated with this resource."""
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class SimpleStorageCollection(base.ResourceCollectionBase):
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"""Represents a collection of simple storage associated with system."""
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@property
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def _resource_type(self):
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return SimpleStorage
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@property
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@utils.cache_it
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def disks_sizes_bytes(self):
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"""Sizes of each Disk in bytes in SimpleStorage collection resource.
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Returns the list of cached values until it (or its parent resource)
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is refreshed.
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"""
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return sorted(device.capacity_bytes
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for simpl_stor in self.get_members()
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for device in simpl_stor.devices
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if (device.status.state == res_cons.STATE_ENABLED
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and device.capacity_bytes is not None))
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@property
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def max_size_bytes(self):
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"""Max size available (in bytes) among all enabled Disk resources.
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Returns the cached value until it (or its parent resource) is
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refreshed.
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"""
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return utils.max_safe(self.disks_sizes_bytes)
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