73 lines
3.3 KiB
Go
73 lines
3.3 KiB
Go
/*
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Copyright 2018 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 processors
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import (
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"k8s.io/autoscaler/cluster-autoscaler/processors/nodegroups"
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"k8s.io/autoscaler/cluster-autoscaler/processors/nodegroupset"
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"k8s.io/autoscaler/cluster-autoscaler/processors/nodes"
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"k8s.io/autoscaler/cluster-autoscaler/processors/pods"
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"k8s.io/autoscaler/cluster-autoscaler/processors/status"
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)
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// AutoscalingProcessors are a set of customizable processors used for encapsulating
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// various heuristics used in different parts of Cluster Autoscaler code.
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type AutoscalingProcessors struct {
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// PodListProcessor is used to process list of unschedulable pods before autoscaling.
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PodListProcessor pods.PodListProcessor
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// NodeGroupListProcessor is used to process list of NodeGroups that can be used in scale-up.
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NodeGroupListProcessor nodegroups.NodeGroupListProcessor
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// NodeGroupSetProcessor is used to divide scale-up between similar NodeGroups.
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NodeGroupSetProcessor nodegroupset.NodeGroupSetProcessor
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// ScaleUpStatusProcessor is used to process the state of the cluster after a scale-up.
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ScaleUpStatusProcessor status.ScaleUpStatusProcessor
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// ScaleDownNodeProcessor is used to process the nodes of the cluster before scale-down.
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ScaleDownNodeProcessor nodes.ScaleDownNodeProcessor
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// ScaleDownStatusProcessor is used to process the state of the cluster after a scale-down.
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ScaleDownStatusProcessor status.ScaleDownStatusProcessor
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// AutoscalingStatusProcessor is used to process the state of the cluster after each autoscaling iteration.
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AutoscalingStatusProcessor status.AutoscalingStatusProcessor
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// NodeGroupManager is responsible for creating/deleting node groups.
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NodeGroupManager nodegroups.NodeGroupManager
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}
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// DefaultProcessors returns default set of processors.
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func DefaultProcessors() *AutoscalingProcessors {
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return &AutoscalingProcessors{
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PodListProcessor: pods.NewDefaultPodListProcessor(),
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NodeGroupListProcessor: nodegroups.NewDefaultNodeGroupListProcessor(),
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NodeGroupSetProcessor: nodegroupset.NewDefaultNodeGroupSetProcessor(),
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ScaleUpStatusProcessor: status.NewDefaultScaleUpStatusProcessor(),
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ScaleDownNodeProcessor: nodes.NewPreFilteringScaleDownNodeProcessor(),
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ScaleDownStatusProcessor: status.NewDefaultScaleDownStatusProcessor(),
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AutoscalingStatusProcessor: status.NewDefaultAutoscalingStatusProcessor(),
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NodeGroupManager: nodegroups.NewDefaultNodeGroupManager(),
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}
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}
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// CleanUp cleans up the processors' internal structures.
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func (ap *AutoscalingProcessors) CleanUp() {
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ap.PodListProcessor.CleanUp()
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ap.NodeGroupListProcessor.CleanUp()
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ap.NodeGroupSetProcessor.CleanUp()
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ap.ScaleUpStatusProcessor.CleanUp()
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ap.ScaleDownStatusProcessor.CleanUp()
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ap.AutoscalingStatusProcessor.CleanUp()
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ap.NodeGroupManager.CleanUp()
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ap.ScaleDownNodeProcessor.CleanUp()
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}
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