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narrow down the scope of EnqueueExtensions to subscribe less cluster events

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This commit is contained in:
Kensei Nakada
2023-10-27 14:03:44 +00:00
parent fd5c406112
commit c7842d9c63
3 changed files with 69 additions and 169 deletions
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15
pkg/scheduler/framework/runtime/framework.go
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@@ -545,7 +545,22 @@ func (f *frameworkImpl) expandMultiPointPlugins(logger klog.Logger, profile *con
return nil
}
func shouldHaveEnqueueExtensions(p framework.Plugin) bool {
switch p.(type) {
// Only PreEnqueue, PreFilter, Filter, Reserve, and Permit plugins can (should) have EnqueueExtensions.
// See the comment of EnqueueExtensions for more detailed reason here.
case framework.PreEnqueuePlugin, framework.PreFilterPlugin, framework.FilterPlugin, framework.ReservePlugin, framework.PermitPlugin:
return true
}
return false
}
func (f *frameworkImpl) fillEnqueueExtensions(p framework.Plugin) {
if !shouldHaveEnqueueExtensions(p) {
// Ignore EnqueueExtensions from plugin which isn't PreEnqueue, PreFilter, Filter, Reserve, and Permit.
return
}
ext, ok := p.(framework.EnqueueExtensions)
if !ok {
// If interface EnqueueExtensions is not implemented, register the default enqueue extensions