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Support executing registered functions registered in plugins regularly #2095

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Support executing registered functions registered in plugins regularly #2095

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16 changes: 16 additions & 0 deletions pkg/scheduler/util/scheduler_helper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import (
"math/rand"
"sort"
"sync"
"time"

"k8s.io/client-go/util/workqueue"
"k8s.io/klog"
Expand All @@ -39,8 +40,23 @@ var lastProcessedNodeIndex int
// Reservation is used to record target job and locked nodes
var Reservation *ResourceReservation

// FnsLastExecTime records the last execution time of functions registering in the plugins and executing periodically
var FnsLastExecTime map[string]time.Time

func init() {
Reservation = NewResourceReservation()
FnsLastExecTime = make(map[string]time.Time)
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How to register an exectTimeFn?

}

// IsToBeExecuted checks whether it is time for the function to be executed now
func IsToBeExecuted(fnName string, interval time.Duration) bool {
now := time.Now()
lastExecuteTime, ok := FnsLastExecTime[fnName]
if !ok || lastExecuteTime.Add(interval).Before(now) {
FnsLastExecTime[fnName] = now
return true
}
return false
}

// CalculateNumOfFeasibleNodesToFind returns the number of feasible nodes that once found,
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