44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
# Copyright (c) 2012-2013 Rackspace Hosting
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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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Cell Scheduler weights
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"""
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from nova import weights
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class WeightedCell(weights.WeighedObject):
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def __repr__(self):
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return "WeightedCell [cell: %s, weight: %s]" % (
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self.obj.name, self.weight)
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class BaseCellWeigher(weights.BaseWeigher):
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"""Base class for cell weights."""
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pass
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class CellWeightHandler(weights.BaseWeightHandler):
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object_class = WeightedCell
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def __init__(self):
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super(CellWeightHandler, self).__init__(BaseCellWeigher)
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def all_weighers():
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"""Return a list of weight plugin classes found in this directory."""
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return CellWeightHandler().get_all_classes()
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