46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
# Copyright (c) 2011 OpenStack Foundation.
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# All Rights Reserved.
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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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"""
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Scheduler host weights
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"""
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from cinder.scheduler import base_weight
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class WeighedHost(base_weight.WeighedObject):
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def to_dict(self):
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return {
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'weight': self.weight,
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'host': self.obj.host,
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}
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def __repr__(self):
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return ("WeighedHost [host: %s, weight: %s]" %
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(self.obj.host, self.weight))
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class BaseHostWeigher(base_weight.BaseWeigher):
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"""Base class for host weights."""
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pass
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class OrderedHostWeightHandler(base_weight.BaseWeightHandler):
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object_class = WeighedHost
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def __init__(self, namespace):
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super(OrderedHostWeightHandler, self).__init__(BaseHostWeigher,
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namespace)
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