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autoscaler
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Set PodsTriggeredScaleUp field for failed scale ups.

This commit is contained in:
Aleksandra Gacek 2021-10-14 15:39:24 +02:00
parent c7c14381f5
commit a7660c1f5a
1 changed files with 19 additions and 11 deletions
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30
cluster-autoscaler/core/scale_up.go
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@ -478,9 +478,8 @@ func ScaleUp(context *context.AutoscalingContext, processors *ca_processors.Auto
newNodes = context.MaxNodesTotal - len(nodes) - len(upcomingNodes)
context.LogRecorder.Eventf(apiv1.EventTypeWarning, "MaxNodesTotalReached", "Max total nodes in cluster reached: %v", context.MaxNodesTotal)
if newNodes < 1 {
return scaleUpError(&status.ScaleUpStatus{}, errors.NewAutoscalerError(
errors.TransientError,
"max node total count already reached"))
return scaleUpError(&status.ScaleUpStatus{PodsTriggeredScaleUp: bestOption.Pods},
errors.NewAutoscalerError(errors.TransientError, "max node total count already reached"))
}
}
@ -490,7 +489,7 @@ func ScaleUp(context *context.AutoscalingContext, processors *ca_processors.Auto
createNodeGroupResult, err := processors.NodeGroupManager.CreateNodeGroup(context, bestOption.NodeGroup)
if err != nil {
return scaleUpError(
&status.ScaleUpStatus{FailedCreationNodeGroups: []cloudprovider.NodeGroup{bestOption.NodeGroup}},
&status.ScaleUpStatus{FailedCreationNodeGroups: []cloudprovider.NodeGroup{bestOption.NodeGroup}, PodsTriggeredScaleUp: bestOption.Pods},
err)
}
createNodeGroupResults = append(createNodeGroupResults, createNodeGroupResult)
@ -522,7 +521,7 @@ func ScaleUp(context *context.AutoscalingContext, processors *ca_processors.Auto
option, err2 := computeExpansionOption(context, podEquivalenceGroups, nodeGroup, nodeInfo, upcomingNodes)
if err2 != nil {
return scaleUpError(&status.ScaleUpStatus{}, errors.ToAutoscalerError(errors.InternalError, err))
return scaleUpError(&status.ScaleUpStatus{PodsTriggeredScaleUp: bestOption.Pods}, errors.ToAutoscalerError(errors.InternalError, err))
}
if len(option.Pods) > 0 && option.NodeCount > 0 {
@ -541,22 +540,28 @@ func ScaleUp(context *context.AutoscalingContext, processors *ca_processors.Auto
// This should never happen, as we already should have retrieved
// nodeInfo for any considered nodegroup.
klog.Errorf("No node info for: %s", bestOption.NodeGroup.Id())
return scaleUpError(&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults}, errors.NewAutoscalerError(
errors.CloudProviderError,
"No node info for best expansion option!"))
return scaleUpError(
&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults, PodsTriggeredScaleUp: bestOption.Pods},
errors.NewAutoscalerError(
errors.CloudProviderError,
"No node info for best expansion option!"))
}
// apply upper limits for CPU and memory
newNodes, err = applyScaleUpResourcesLimits(context, processors, newNodes, scaleUpResourcesLeft, nodeInfo, bestOption.NodeGroup, resourceLimiter)
if err != nil {
return scaleUpError(&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults}, err)
return scaleUpError(
&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults, PodsTriggeredScaleUp: bestOption.Pods},
err)
}
targetNodeGroups := []cloudprovider.NodeGroup{bestOption.NodeGroup}
if context.BalanceSimilarNodeGroups {
similarNodeGroups, typedErr := processors.NodeGroupSetProcessor.FindSimilarNodeGroups(context, bestOption.NodeGroup, nodeInfos)
if typedErr != nil {
return scaleUpError(&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults}, typedErr.AddPrefix("Failed to find matching node groups: "))
return scaleUpError(
&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults, PodsTriggeredScaleUp: bestOption.Pods},
typedErr.AddPrefix("Failed to find matching node groups: "))
}
similarNodeGroups = filterNodeGroupsByPods(similarNodeGroups, bestOption.Pods, expansionOptions)
for _, ng := range similarNodeGroups {
@ -583,7 +588,9 @@ func ScaleUp(context *context.AutoscalingContext, processors *ca_processors.Auto
scaleUpInfos, typedErr := processors.NodeGroupSetProcessor.BalanceScaleUpBetweenGroups(
context, targetNodeGroups, newNodes)
if typedErr != nil {
return scaleUpError(&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults}, typedErr)
return scaleUpError(
&status.ScaleUpStatus{CreateNodeGroupResults: createNodeGroupResults, PodsTriggeredScaleUp: bestOption.Pods},
typedErr)
}
klog.V(1).Infof("Final scale-up plan: %v", scaleUpInfos)
for _, info := range scaleUpInfos {
@ -593,6 +600,7 @@ func ScaleUp(context *context.AutoscalingContext, processors *ca_processors.Auto
&status.ScaleUpStatus{
CreateNodeGroupResults: createNodeGroupResults,
FailedResizeNodeGroups: []cloudprovider.NodeGroup{info.Group},
PodsTriggeredScaleUp: bestOption.Pods,
},
typedErr,
)