nova-solver-scheduler/nova/scheduler/solvers/constraints/aggregate_type_affinity.py

27 lines
1.1 KiB
Python

# Copyright (c) 2014 Cisco Systems Inc.
# 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.
from nova.scheduler.filters import type_filter
from nova.scheduler.solvers import constraints
class AggregateTypeAffinityConstraint(constraints.BaseFilterConstraint):
"""AggregateTypeAffinityFilter limits instance_type by aggregate
return True if no instance_type key is set or if the aggregate metadata
key 'instance_type' has the instance_type name as a value
"""
host_filter_cls = type_filter.AggregateTypeAffinityFilter