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Make HPA tolerance a flag

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Fix #18155

Make HPA tolerance configurable as a flag. This change allows us to use
different tolerance values in production/testing.

Signed-off-by: mattjmcnaughton <mattjmcnaughton@gmail.com>
This commit is contained in:
mattjmcnaughton
2017-09-11 09:59:53 -04:00
parent ca712680c7
commit abd46684d4
10 changed files with 37 additions and 19 deletions
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6
cmd/kube-controller-manager/app/autoscaling.go
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@@ -64,7 +64,11 @@ func startHPAControllerWithLegacyClient(ctx ControllerContext) (bool, error) {
func startHPAControllerWithMetricsClient(ctx ControllerContext, metricsClient metrics.MetricsClient) (bool, error) {
hpaClient := ctx.ClientBuilder.ClientOrDie("horizontal-pod-autoscaler")
replicaCalc := podautoscaler.NewReplicaCalculator(metricsClient, hpaClient.Core())
replicaCalc := podautoscaler.NewReplicaCalculator(
metricsClient,
hpaClient.Core(),
ctx.Options.HorizontalPodAutoscalerTolerance,
)
go podautoscaler.NewHorizontalController(
ctx.ClientBuilder.ClientGoClientOrDie("horizontal-pod-autoscaler").Core(),
hpaClient.Extensions(),