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implement EnqueueExtensions interface in noderesources

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This commit is contained in:
Wei Huang
2021-03-03 17:10:27 -08:00
parent 14c25eed8d
commit e86a72add7
1 changed files with 13 additions and 0 deletions
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13
pkg/scheduler/framework/plugins/noderesources/fit.go
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@@ -35,6 +35,7 @@ import (
var _ framework.PreFilterPlugin = &Fit{}
var _ framework.FilterPlugin = &Fit{}
var _ framework.EnqueueExtensions = &Fit{}
const (
// FitName is the name of the plugin used in the plugin registry and configurations.
@@ -189,6 +190,18 @@ func getPreFilterState(cycleState *framework.CycleState) (*preFilterState, error
return s, nil
}
// EventsToRegister returns the possible events that may make a Pod
// failed by this plugin schedulable.
// NOTE: if in-place-update (KEP 1287) gets implemented, then PodUpdate event
// should be registered for this plugin since a Pod update may free up resources
// that make other Pods schedulable.
func (f *Fit) EventsToRegister() []framework.ClusterEvent {
return []framework.ClusterEvent{
{Resource: framework.Pod, ActionType: framework.Delete},
{Resource: framework.Node, ActionType: framework.Add | framework.UpdateNodeAllocatable},
}
}
// Filter invoked at the filter extension point.
// Checks if a node has sufficient resources, such as cpu, memory, gpu, opaque int resources etc to run a pod.
// It returns a list of insufficient resources, if empty, then the node has all the resources requested by the pod.