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Automated cherry pick of #58574: fixing array out of bound by checking initContainers instead #58885

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merged 1 commit into from Feb 1, 2018
Merged

Automated cherry pick of #58574: fixing array out of bound by checking initContainers instead #58885

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10 changes: 7 additions & 3 deletions pkg/kubelet/eviction/helpers.go
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Expand Up @@ -590,7 +590,7 @@ func memory(stats statsFunc) cmpFunc {
}

// podRequest returns the total resource request of a pod which is the
// max(sum of init container requests, sum of container requests)
// max(max of init container requests, sum of container requests)
func podRequest(pod *v1.Pod, resourceName v1.ResourceName) resource.Quantity {
containerValue := resource.Quantity{Format: resource.BinarySI}
if resourceName == resourceDisk && !utilfeature.DefaultFeatureGate.Enabled(features.LocalStorageCapacityIsolation) {
Expand All @@ -609,9 +609,13 @@ func podRequest(pod *v1.Pod, resourceName v1.ResourceName) resource.Quantity {
for i := range pod.Spec.InitContainers {
switch resourceName {
case v1.ResourceMemory:
containerValue.Add(*pod.Spec.Containers[i].Resources.Requests.Memory())
if initValue.Cmp(*pod.Spec.InitContainers[i].Resources.Requests.Memory()) < 0 {
initValue = *pod.Spec.InitContainers[i].Resources.Requests.Memory()
}
case resourceDisk:
containerValue.Add(*pod.Spec.Containers[i].Resources.Requests.StorageEphemeral())
if initValue.Cmp(*pod.Spec.InitContainers[i].Resources.Requests.StorageEphemeral()) < 0 {
initValue = *pod.Spec.InitContainers[i].Resources.Requests.StorageEphemeral()
}
}
}
if containerValue.Cmp(initValue) > 0 {
Expand Down