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Use informer cache instead of active pod gets in HPA controller.

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This commit is contained in:
Krzysztof Jastrzebski
2018-09-04 20:16:48 +02:00
parent be11540775
commit 985ba931b1
8 changed files with 178 additions and 87 deletions
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13
cmd/kube-controller-manager/app/autoscaling.go
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@@ -80,22 +80,19 @@ func startHPAControllerWithMetricsClient(ctx ControllerContext, metricsClient me
return nil, false, err
}
replicaCalc := podautoscaler.NewReplicaCalculator(
metricsClient,
hpaClient.CoreV1(),
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerTolerance,
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerCPUInitializationPeriod.Duration,
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerInitialReadinessDelay.Duration,
)
go podautoscaler.NewHorizontalController(
hpaClient.CoreV1(),
scaleClient,
hpaClient.AutoscalingV1(),
ctx.RESTMapper,
replicaCalc,
metricsClient,
ctx.InformerFactory.Autoscaling().V1().HorizontalPodAutoscalers(),
ctx.InformerFactory.Core().V1().Pods(),
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerSyncPeriod.Duration,
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerDownscaleStabilizationWindow.Duration,
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerTolerance,
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerCPUInitializationPeriod.Duration,
ctx.ComponentConfig.HPAController.HorizontalPodAutoscalerInitialReadinessDelay.Duration,
).Run(ctx.Stop)
return nil, true, nil
}