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Merge pull request #103686 from kerthcet/document/add_comment_for_enqueueExtensions

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update comment with EnqueueExtensions
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Kubernetes Prow Robot 2021-08-04 22:11:48 -07:00 committed by GitHub
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1 changed files with 6 additions and 3 deletions
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pkg/scheduler/framework/interface.go
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@ -307,10 +307,13 @@ type QueueSortPlugin interface {
} }
// EnqueueExtensions is an optional interface that plugins can implement to efficiently // EnqueueExtensions is an optional interface that plugins can implement to efficiently
// move unschedulable Pods in internal scheduling queues. // move unschedulable Pods in internal scheduling queues. Plugins
// that fail pod scheduling (e.g., Filter plugins) are expected to implement this interface.
type EnqueueExtensions interface { type EnqueueExtensions interface {
// EventsToRegister returns a series of interested events that // EventsToRegister returns a series of possible events that may cause a Pod
// will be registered when instantiating the internal scheduling queue. // failed by this plugin schedulable.
// The events will be registered when instantiating the internal scheduling queue,
// and leveraged to build event handlers dynamically.
// Note: the returned list needs to be static (not depend on configuration parameters); // Note: the returned list needs to be static (not depend on configuration parameters);
// otherwise it would lead to undefined behavior. // otherwise it would lead to undefined behavior.
EventsToRegister() []ClusterEvent EventsToRegister() []ClusterEvent