49 lines
2.0 KiB
Go
49 lines
2.0 KiB
Go
/*
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Copyright 2021 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 customresources
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import (
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apiv1 "k8s.io/api/core/v1"
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
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"k8s.io/autoscaler/cluster-autoscaler/context"
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"k8s.io/autoscaler/cluster-autoscaler/utils/errors"
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)
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// CustomResourceTarget contains information about targeted custom resources
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type CustomResourceTarget struct {
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// ResourceType is a type of targeted resources
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ResourceType string
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// ResourceCount is a count of targeted resources
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ResourceCount int64
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}
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// CustomResourcesProcessor is interface defining handling custom resources
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type CustomResourcesProcessor interface {
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// FilterOutNodesWithUnreadyResources removes nodes that should have a custom resource, but don't have
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// it in allocatable from ready nodes list and updates their status to unready on all nodes list.
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FilterOutNodesWithUnreadyResources(context *context.AutoscalingContext, allNodes, readyNodes []*apiv1.Node) ([]*apiv1.Node, []*apiv1.Node)
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// GetNodeResourceTargets returns mapping of resource names to their targets.
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GetNodeResourceTargets(context *context.AutoscalingContext, node *apiv1.Node, nodeGroup cloudprovider.NodeGroup) ([]CustomResourceTarget, errors.AutoscalerError)
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// CleanUp cleans up processor's internal structures.
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CleanUp()
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}
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// NewDefaultCustomResourcesProcessor returns a default instance of CustomResourcesProcessor.
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func NewDefaultCustomResourcesProcessor() CustomResourcesProcessor {
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return &GpuCustomResourcesProcessor{}
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}
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