You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.4 KiB
Python
49 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 host weights
|
|
"""
|
|
|
|
from nova import weights
|
|
|
|
|
|
class WeighedHost(weights.WeighedObject):
|
|
def to_dict(self):
|
|
x = dict(weight=self.weight)
|
|
x['host'] = self.obj.host
|
|
return x
|
|
|
|
def __repr__(self):
|
|
return "WeighedHost [host: %r, weight: %s]" % (
|
|
self.obj, self.weight)
|
|
|
|
|
|
class BaseHostWeigher(weights.BaseWeigher):
|
|
"""Base class for host weights."""
|
|
pass
|
|
|
|
|
|
class HostWeightHandler(weights.BaseWeightHandler):
|
|
object_class = WeighedHost
|
|
|
|
def __init__(self):
|
|
super(HostWeightHandler, self).__init__(BaseHostWeigher)
|
|
|
|
|
|
def all_weighers():
|
|
"""Return a list of weight plugin classes found in this directory."""
|
|
return HostWeightHandler().get_all_classes()
|