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[cluster-autoscaler-release-1.30] Public ProvisioningClass interface #7047

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Jul 15, 2024
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[cluster-autoscaler-release-1.30] Public ProvisioningClass interface #7047

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11 changes: 6 additions & 5 deletions cluster-autoscaler/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ import (
"k8s.io/autoscaler/cluster-autoscaler/core/scaleup/orchestrator"
"k8s.io/autoscaler/cluster-autoscaler/debuggingsnapshot"
"k8s.io/autoscaler/cluster-autoscaler/loop"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/besteffortatomic"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/checkcapacity"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqclient"
"k8s.io/autoscaler/cluster-autoscaler/simulator/predicatechecker"
Expand Down Expand Up @@ -496,17 +497,17 @@ func buildAutoscaler(debuggingSnapshotter debuggingsnapshot.DebuggingSnapshotter
podListProcessor.AddProcessor(provreq.NewProvisioningRequestPodsFilter(provreq.NewDefautlEventManager()))

restConfig := kube_util.GetKubeConfig(autoscalingOptions.KubeClientOpts)
provreqOrchestrator, err := provreqorchestrator.New(restConfig)
client, err := provreqclient.NewProvisioningRequestClient(restConfig)
if err != nil {
return nil, err
}
provreqOrchestrator := provreqorchestrator.New(client, []provreqorchestrator.ProvisioningClass{
checkcapacity.New(client),
besteffortatomic.New(client),
})
scaleUpOrchestrator := provreqorchestrator.NewWrapperOrchestrator(provreqOrchestrator)

opts.ScaleUpOrchestrator = scaleUpOrchestrator
client, err := provreqclient.NewProvisioningRequestClient(restConfig)
if err != nil {
return nil, err
}
provreqProcesor := provreq.NewCombinedProvReqProcessor(client, []provreq.ProvisioningRequestProcessor{checkcapacity.NewCheckCapacityProcessor(client)})
if err != nil {
return nil, err
Expand Down
24 changes: 7 additions & 17 deletions cluster-autoscaler/provisioningrequest/orchestrator/orchestrator.go
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Expand Up @@ -27,22 +27,20 @@ import (
"k8s.io/autoscaler/cluster-autoscaler/context"
"k8s.io/autoscaler/cluster-autoscaler/estimator"
"k8s.io/autoscaler/cluster-autoscaler/processors/status"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/besteffortatomic"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/checkcapacity"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/conditions"
provreq_pods "k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/pods"
"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqclient"
"k8s.io/autoscaler/cluster-autoscaler/simulator/scheduling"
ca_errors "k8s.io/autoscaler/cluster-autoscaler/utils/errors"
"k8s.io/autoscaler/cluster-autoscaler/utils/taints"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"

ca_processors "k8s.io/autoscaler/cluster-autoscaler/processors"
schedulerframework "k8s.io/kubernetes/pkg/scheduler/framework"
)

type provisioningClass interface {
// ProvisioningClass is an interface for ProvisioningRequests.
type ProvisioningClass interface {
Provision([]*apiv1.Pod, []*apiv1.Node, []*appsv1.DaemonSet,
map[string]*schedulerframework.NodeInfo) (*status.ScaleUpStatus, ca_errors.AutoscalerError)
Initialize(*context.AutoscalingContext, *ca_processors.AutoscalingProcessors, *clusterstate.ClusterStateRegistry,
Expand All @@ -55,23 +53,15 @@ type provReqOrchestrator struct {
context *context.AutoscalingContext
client *provreqclient.ProvisioningRequestClient
injector *scheduling.HintingSimulator
provisioningClasses []provisioningClass
provisioningClasses []ProvisioningClass
}

// New return new orchestrator.
func New(kubeConfig *rest.Config) (*provReqOrchestrator, error) {
client, err := provreqclient.NewProvisioningRequestClient(kubeConfig)
if err != nil {
return nil, err
}

func New(client *provreqclient.ProvisioningRequestClient, classes []ProvisioningClass) *provReqOrchestrator {
return &provReqOrchestrator{
client: client,
provisioningClasses: []provisioningClass{
checkcapacity.New(client),
besteffortatomic.New(client),
},
}, nil
client: client,
provisioningClasses: classes,
}
}

// Initialize initialize orchestrator.
Expand Down
2 changes: 1 addition & 1 deletion cluster-autoscaler/provisioningrequest/orchestrator/orchestrator_test.go
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Expand Up @@ -334,7 +334,7 @@ func setupTest(t *testing.T, nodes []*apiv1.Node, prs []*provreqwrapper.Provisio

orchestrator := &provReqOrchestrator{
client: client,
provisioningClasses: []provisioningClass{checkcapacity.New(client), besteffortatomic.New(client)},
provisioningClasses: []ProvisioningClass{checkcapacity.New(client), besteffortatomic.New(client)},
}
orchestrator.Initialize(&autoscalingContext, processors, clusterState, estimatorBuilder, taints.TaintConfig{})
return orchestrator, nodeInfos
Expand Down
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