60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
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#
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# 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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from healthnmon.constants import Constants
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from healthnmon import log
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LOG = log.getLogger(__name__)
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class UtilizationCacheManager(object):
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global _utilizationCache
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_utilizationCache = {
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Constants.VmHost: {},
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Constants.Vm: {},
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}
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@staticmethod
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def get_utilization_cache():
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return _utilizationCache
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@staticmethod
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def get_utilization_from_cache(uuid, obj_type):
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LOG.debug(
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_('Entering into get_utilization_from_cache ' +
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'for uuid:obj_type %s:%s'), uuid, obj_type)
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if uuid in UtilizationCacheManager.get_utilization_cache()[obj_type]:
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return UtilizationCacheManager.\
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get_utilization_cache()[obj_type][uuid]
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@staticmethod
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def update_utilization_in_cache(uuid, obj_type, utilization):
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LOG.debug(
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_('Entering into update_utilization_in_cache ' +
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'for uuid:obj_type %s:%s'), uuid, obj_type)
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UtilizationCacheManager.\
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get_utilization_cache()[obj_type][uuid] = utilization
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@staticmethod
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def delete_utilization_in_cache(uuid, obj_type):
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LOG.debug(
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_('Entering into delete_utilization_in_cache ' +
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'for uuid:obj_type %s:%s'), uuid, obj_type)
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if uuid in UtilizationCacheManager.get_utilization_cache()[obj_type]:
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del UtilizationCacheManager.\
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get_utilization_cache()[obj_type][uuid]
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