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Merge pull request #99144 from bart0sh/PR0094-promote-HugePageStorageMediumSize-to-GA

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promote huge page storage medium size to GA
This commit is contained in:
Kubernetes Prow Robot
2021-07-07 18:09:05 -07:00
committed by GitHub
parent ebbe63f116 c12aa0f6b7
commit 36a7426aa5
6 changed files with 30 additions and 129 deletions
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19
pkg/api/pod/util.go
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@@ -21,11 +21,9 @@ import (
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
utilfeature "k8s.io/apiserver/pkg/util/feature"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/apis/core/helper"
v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
"k8s.io/kubernetes/pkg/features"
)
@@ -331,19 +329,6 @@ func usesHugePagesInProjectedEnv(item api.Container) bool {
return false
}
// usesMultipleHugePageResources returns true if the pod spec uses more than
// one size of hugepage
func usesMultipleHugePageResources(podSpec *api.PodSpec) bool {
hugePageResources := sets.NewString()
resourceSet := helper.ToPodResourcesSet(podSpec)
for resourceStr := range resourceSet {
if v1helper.IsHugePageResourceName(v1.ResourceName(resourceStr)) {
hugePageResources.Insert(resourceStr)
}
}
return len(hugePageResources) > 1
}
func checkContainerUseIndivisibleHugePagesValues(container api.Container) bool {
for resourceName, quantity := range container.Resources.Limits {
if helper.IsHugePageResourceName(resourceName) {
@@ -425,8 +410,6 @@ func haveSameExpandedDNSConfig(podSpec, oldPodSpec *api.PodSpec) bool {
func GetValidationOptionsFromPodSpecAndMeta(podSpec, oldPodSpec *api.PodSpec, podMeta, oldPodMeta *metav1.ObjectMeta) apivalidation.PodValidationOptions {
// default pod validation options based on feature gate
opts := apivalidation.PodValidationOptions{
// Allow multiple huge pages on pod create if feature is enabled
AllowMultipleHugePageResources: utilfeature.DefaultFeatureGate.Enabled(features.HugePageStorageMediumSize),
// Allow pod spec to use hugepages in downward API if feature is enabled
AllowDownwardAPIHugePages: utilfeature.DefaultFeatureGate.Enabled(features.DownwardAPIHugePages),
AllowInvalidPodDeletionCost: !utilfeature.DefaultFeatureGate.Enabled(features.PodDeletionCost),
@@ -438,8 +421,6 @@ func GetValidationOptionsFromPodSpecAndMeta(podSpec, oldPodSpec *api.PodSpec, po
}
if oldPodSpec != nil {
// if old spec used multiple huge page sizes, we must allow it
opts.AllowMultipleHugePageResources = opts.AllowMultipleHugePageResources || usesMultipleHugePageResources(oldPodSpec)
// if old spec used hugepages in downward api, we must allow it
opts.AllowDownwardAPIHugePages = opts.AllowDownwardAPIHugePages || usesHugePagesInProjectedVolume(oldPodSpec)
// determine if any container is using hugepages in env var