mogan/mogan/scheduler/weights/__init__.py

46 lines
1.4 KiB
Python

# Copyright (c) 2011 OpenStack Foundation.
# 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.
"""
Scheduler node weights
"""
from mogan.scheduler import base_weight
class WeighedNode(base_weight.WeighedObject):
def to_dict(self):
return {
'weight': self.weight,
'node': self.obj.node_uuid,
}
def __repr__(self):
return ("WeighedNode [node: %s, weight: %s]" %
(self.obj.node_uuid, self.weight))
class BaseNodeWeigher(base_weight.BaseWeigher):
"""Base class for node weights."""
pass
class OrderedNodeWeightHandler(base_weight.BaseWeightHandler):
object_class = WeighedNode
def __init__(self, namespace):
super(OrderedNodeWeightHandler, self).__init__(BaseNodeWeigher,
namespace)