65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package priorities
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import (
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v1 "k8s.io/api/core/v1"
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appslisters "k8s.io/client-go/listers/apps/v1"
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corelisters "k8s.io/client-go/listers/core/v1"
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schedulerlisters "k8s.io/kubernetes/pkg/scheduler/listers"
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)
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// MetadataFactory is a factory to produce PriorityMetadata.
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type MetadataFactory struct {
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serviceLister corelisters.ServiceLister
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controllerLister corelisters.ReplicationControllerLister
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replicaSetLister appslisters.ReplicaSetLister
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statefulSetLister appslisters.StatefulSetLister
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}
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// NewMetadataFactory creates a MetadataFactory.
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func NewMetadataFactory(
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serviceLister corelisters.ServiceLister,
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controllerLister corelisters.ReplicationControllerLister,
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replicaSetLister appslisters.ReplicaSetLister,
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statefulSetLister appslisters.StatefulSetLister,
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) MetadataProducer {
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factory := &MetadataFactory{
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serviceLister: serviceLister,
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controllerLister: controllerLister,
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replicaSetLister: replicaSetLister,
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statefulSetLister: statefulSetLister,
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}
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return factory.PriorityMetadata
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}
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// priorityMetadata is a type that is passed as metadata for priority functions
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type priorityMetadata struct{}
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// PriorityMetadata is a MetadataProducer. Node info can be nil.
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func (pmf *MetadataFactory) PriorityMetadata(
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pod *v1.Pod,
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filteredNodes []*v1.Node,
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sharedLister schedulerlisters.SharedLister,
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) interface{} {
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// If we cannot compute metadata, just return nil
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if pod == nil {
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return nil
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}
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return &priorityMetadata{}
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}
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