Lin Yang a3d81c01fc Introduce `cache_it and cache_clear`
It use the new method ``cache_it`` and ``cache_clear`` in sushy
1.7.0 to cache nested resource property methods.

Change-Id: I684d5d2447e467a7f3ae4fc4fdc22804cd12ef71
2018-11-27 16:34:25 -08:00

57 lines
1.7 KiB
Python

# Copyright 2018 Intel, Inc.
# All Rights Reserved.
#
# 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 sushy.resources.system import processor
from sushy import utils
from rsd_lib.resources.v2_2.system import processor_metrics
class StatusField(base.CompositeField):
state = base.Field('State')
health = base.Field('Health')
health_rollup = base.Field('HealthRollup')
class Processor(processor.Processor):
status = StatusField('Status')
"""The processor status"""
def _get_metrics_path(self):
"""Helper function to find the System process metrics path"""
return utils.get_sub_resource_path_by(
self, ['Oem', 'Intel_RackScale', 'Metrics'])
@property
@utils.cache_it
def metrics(self):
"""Property to provide reference to `Metrics` instance
It is calculated once the first time it is queried. On refresh,
this property is reset.
"""
return processor_metrics.ProcessorMetrics(
self._conn, self._get_metrics_path(),
redfish_version=self.redfish_version)
class ProcessorCollection(processor.ProcessorCollection):
@property
def _resource_type(self):
return Processor