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Merge pull request #100020 from pravarag/interpodaffinity-schedule-plugin

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implement EnqueueExtensions in interPodAffinity
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Kubernetes Prow Robot 2021-04-08 17:10:38 -07:00 committed by GitHub
commit 2159f967b4
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1 changed files with 17 additions and 0 deletions
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17
pkg/scheduler/framework/plugins/interpodaffinity/plugin.go
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@ -39,6 +39,7 @@ var _ framework.PreFilterPlugin = &InterPodAffinity{}
var _ framework.FilterPlugin = &InterPodAffinity{} var _ framework.FilterPlugin = &InterPodAffinity{}
var _ framework.PreScorePlugin = &InterPodAffinity{} var _ framework.PreScorePlugin = &InterPodAffinity{}
var _ framework.ScorePlugin = &InterPodAffinity{} var _ framework.ScorePlugin = &InterPodAffinity{}
var _ framework.EnqueueExtensions = &InterPodAffinity{}
// InterPodAffinity is a plugin that checks inter pod affinity // InterPodAffinity is a plugin that checks inter pod affinity
type InterPodAffinity struct { type InterPodAffinity struct {
@ -54,6 +55,22 @@ func (pl *InterPodAffinity) Name() string {
return Name return Name
} }
// EventsToRegister returns the possible events that may make a failed Pod
// schedulable
func (pl *InterPodAffinity) EventsToRegister() []framework.ClusterEvent {
return []framework.ClusterEvent{
// All ActionType includes the following events:
// - Delete. An unschedulable Pod may fail due to violating an existing Pod's anti-affinity constraints,
// deleting an existing Pod may make it schedulable.
// - Update. Updating on an existing Pod's labels (e.g., removal) may make
// an unschedulable Pod schedulable.
// - Add. An unschedulable Pod may fail due to violating pod-affinity constraints,
// adding an assigned Pod may make it schedulable.
{Resource: framework.Pod, ActionType: framework.All},
{Resource: framework.Node, ActionType: framework.Add | framework.UpdateNodeLabel},
}
}
// New initializes a new plugin and returns it. // New initializes a new plugin and returns it.
func New(plArgs runtime.Object, h framework.Handle, fts feature.Features) (framework.Plugin, error) { func New(plArgs runtime.Object, h framework.Handle, fts feature.Features) (framework.Plugin, error) {
if h.SnapshotSharedLister() == nil { if h.SnapshotSharedLister() == nil {