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feature(scheduler): implement ClusterEventWithHint to filter out useless events

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This commit is contained in:
Kensei Nakada
2023-06-08 04:54:30 +00:00
parent 7cd51541cd
commit 6f8d38406a
29 changed files with 1281 additions and 511 deletions
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8
pkg/scheduler/framework/plugins/podtopologyspread/plugin.go
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@@ -131,8 +131,8 @@ func (pl *PodTopologySpread) setListers(factory informers.SharedInformerFactory)
// EventsToRegister returns the possible events that may make a Pod
// failed by this plugin schedulable.
func (pl *PodTopologySpread) EventsToRegister() []framework.ClusterEvent {
return []framework.ClusterEvent{
func (pl *PodTopologySpread) EventsToRegister() []framework.ClusterEventWithHint {
return []framework.ClusterEventWithHint{
// All ActionType includes the following events:
// - Add. An unschedulable Pod may fail due to violating topology spread constraints,
// adding an assigned Pod may make it schedulable.
@@ -140,9 +140,9 @@ func (pl *PodTopologySpread) EventsToRegister() []framework.ClusterEvent {
// an unschedulable Pod schedulable.
// - Delete. An unschedulable Pod may fail due to violating an existing Pod's topology spread constraints,
// deleting an existing Pod may make it schedulable.
{Resource: framework.Pod, ActionType: framework.All},
{Event: framework.ClusterEvent{Resource: framework.Pod, ActionType: framework.All}},
// Node add|delete|updateLabel maybe lead an topology key changed,
// and make these pod in scheduling schedulable or unschedulable.
{Resource: framework.Node, ActionType: framework.Add | framework.Delete | framework.UpdateNodeLabel},
{Event: framework.ClusterEvent{Resource: framework.Node, ActionType: framework.Add | framework.Delete | framework.UpdateNodeLabel}},
}
}