Add reSync task callback

Signed-off-by: Xuzheng Chang <changxuzheng@huawei.com>

pkg/scheduler/api/job_info.go

@@ -33,6 +33,7 @@ import (
 	batch "volcano.sh/apis/pkg/apis/batch/v1alpha1"
 	"volcano.sh/apis/pkg/apis/scheduling"
 	"volcano.sh/apis/pkg/apis/scheduling/v1beta1"
+
 	volumescheduling "volcano.sh/volcano/pkg/scheduler/capabilities/volumebinding"
 )
 
@@ -130,6 +131,11 @@ type TaskInfo struct {
 	NumaInfo   *TopologyInfo
 	PodVolumes *volumescheduling.PodVolumes
 	Pod        *v1.Pod
+
+	// CustomBindErrHandler is a custom callback func called when task bind err.
+	CustomBindErrHandler func() error
+	// CustomBindErrHandlerSucceeded indicates whether CustomBindErrHandler is executed successfully.
+	CustomBindErrHandlerSucceeded bool
 }
 
 func getJobID(pod *v1.Pod) JobID {

pkg/scheduler/cache/cache.go

@@ -961,9 +961,24 @@ func (sc *SchedulerCache) processResyncTask() {
 		return
 	}
 
+	reSynced := false
 	if err := sc.syncTask(task); err != nil {
 		klog.Errorf("Failed to sync pod <%v/%v>, retry it.", task.Namespace, task.Name)
 		sc.resyncTask(task)
+		reSynced = true
+	}
+
+	// execute custom bind err handler call back func if exists.
+	if task.CustomBindErrHandler != nil && !task.CustomBindErrHandlerSucceeded {
+		err := task.CustomBindErrHandler()
+		if err != nil {
+			klog.ErrorS(err, "Failed to execute custom bind err handler, retry it.")
+		} else {
+			task.CustomBindErrHandlerSucceeded = true
+		}
+		if !task.CustomBindErrHandlerSucceeded && !reSynced {
+			sc.resyncTask(task)
+		}
 	}
 }