Merge pull request #94125 from soulxu/only_includes_all_nodes_for_preferred

Only process all nodes when incoming pod has no preferred affinity
This commit is contained in:
Kubernetes Prow Robot 2020-09-07 14:01:58 -07:00 committed by GitHub
commit b837699f74
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -141,14 +141,14 @@ func (pl *InterPodAffinity) PreScore(
}
affinity := pod.Spec.Affinity
hasAffinityConstraints := affinity != nil && affinity.PodAffinity != nil
hasAntiAffinityConstraints := affinity != nil && affinity.PodAntiAffinity != nil
hasPreferredAffinityConstraints := affinity != nil && affinity.PodAffinity != nil && len(affinity.PodAffinity.PreferredDuringSchedulingIgnoredDuringExecution) > 0
hasPreferredAntiAffinityConstraints := affinity != nil && affinity.PodAntiAffinity != nil && len(affinity.PodAntiAffinity.PreferredDuringSchedulingIgnoredDuringExecution) > 0
// Unless the pod being scheduled has affinity terms, we only
// Unless the pod being scheduled has preferred affinity terms, we only
// need to process nodes hosting pods with affinity.
var allNodes []*framework.NodeInfo
var err error
if hasAffinityConstraints || hasAntiAffinityConstraints {
if hasPreferredAffinityConstraints || hasPreferredAntiAffinityConstraints {
allNodes, err = pl.sharedLister.NodeInfos().List()
if err != nil {
framework.NewStatus(framework.Error, fmt.Sprintf("get all nodes from shared lister error, err: %v", err))
@ -178,10 +178,10 @@ func (pl *InterPodAffinity) PreScore(
if nodeInfo.Node() == nil {
return
}
// Unless the pod being scheduled has affinity terms, we only
// Unless the pod being scheduled has preferred affinity terms, we only
// need to process pods with affinity in the node.
podsToProcess := nodeInfo.PodsWithAffinity
if hasAffinityConstraints || hasAntiAffinityConstraints {
if hasPreferredAffinityConstraints || hasPreferredAntiAffinityConstraints {
// We need to process all the pods.
podsToProcess = nodeInfo.Pods
}