fix: frequently create and delete vcjobs with the same name, and the …

pkg/controllers/apis/request.go

@@ -19,6 +19,8 @@ package apis
 import (
 	"fmt"
 
+	"k8s.io/apimachinery/pkg/types"
+
 	"volcano.sh/apis/pkg/apis/bus/v1alpha1"
 	flowv1alpha1 "volcano.sh/apis/pkg/apis/flow/v1alpha1"
 )
@@ -27,6 +29,7 @@ import (
 type Request struct {
 	Namespace string
 	JobName   string
+	JobUid    types.UID
 	TaskName  string
 	QueueName string
 

pkg/controllers/job/job_controller_handler.go

@@ -25,6 +25,7 @@ import (
 	"k8s.io/apimachinery/pkg/api/equality"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/klog/v2"
 
@@ -140,9 +141,13 @@ func (cc *jobcontroller) addPod(obj interface{}) {
 		klog.Errorf("Failed to convert %v to v1.Pod", obj)
 		return
 	}
+
+	var jobUid types.UID
 	// Filter out pods that are not created from volcano job
 	if !isControlledBy(pod, helpers.JobKind) {
 		return
+	} else {
+		jobUid = metav1.GetControllerOf(pod).UID
 	}
 
 	jobName, found := pod.Annotations[batch.JobNameKey]
@@ -174,6 +179,7 @@ func (cc *jobcontroller) addPod(obj interface{}) {
 	req := apis.Request{
 		Namespace: pod.Namespace,
 		JobName:   jobName,
+		JobUid:    jobUid,
 
 		Event:      bus.OutOfSyncEvent,
 		JobVersion: int32(dVersion),
@@ -201,9 +207,12 @@ func (cc *jobcontroller) updatePod(oldObj, newObj interface{}) {
 		return
 	}
 
+	var jobUid types.UID
 	// Filter out pods that are not created from volcano job
 	if !isControlledBy(newPod, helpers.JobKind) {
 		return
+	} else {
+		jobUid = metav1.GetControllerOf(newPod).UID
 	}
 
 	if newPod.ResourceVersion == oldPod.ResourceVersion {
@@ -275,6 +284,7 @@ func (cc *jobcontroller) updatePod(oldObj, newObj interface{}) {
 	req := apis.Request{
 		Namespace: newPod.Namespace,
 		JobName:   jobName,
+		JobUid:    jobUid,
 		TaskName:  taskName,
 
 		Event:      event,
@@ -303,9 +313,12 @@ func (cc *jobcontroller) deletePod(obj interface{}) {
 		}
 	}
 
+	var jobUid types.UID
 	// Filter out pods that are not created from volcano job
 	if !isControlledBy(pod, helpers.JobKind) {
 		return
+	} else {
+		jobUid = metav1.GetControllerOf(pod).UID
 	}
 
 	taskName, found := pod.Annotations[batch.TaskSpecKey]
@@ -339,6 +352,7 @@ func (cc *jobcontroller) deletePod(obj interface{}) {
 	req := apis.Request{
 		Namespace: pod.Namespace,
 		JobName:   jobName,
+		JobUid:    jobUid,
 		TaskName:  taskName,
 
 		Event:      bus.PodEvictedEvent,

pkg/controllers/job/job_controller_util.go

@@ -169,6 +169,14 @@ func applyPolicies(job *batch.Job, req *apis.Request) v1alpha1.Action {
 		return v1alpha1.SyncJobAction
 	}
 
+	// Solve the scenario: When pod events accumulate and vcjobs with the same name are frequently created,
+	// it is easy for the pod to cause abnormal status of the newly created vcjob with the same name.
+	if len(req.JobUid) != 0 && job != nil && req.JobUid != job.UID {
+		klog.V(2).Infof("The req belongs to job(%s/%s) and job uid is %v, but the uid of job(%s/%s) is %v in cache, perform %v action",
+			req.Namespace, req.JobName, req.JobUid, job.Namespace, job.Name, job.UID, v1alpha1.SyncJobAction)
+		return v1alpha1.SyncJobAction
+	}
+
 	// For all the requests triggered from discarded job resources will perform sync action instead
 	if req.JobVersion < job.Status.Version {
 		klog.Infof("Request %s is outdated, will perform sync instead.", req)

pkg/controllers/job/job_controller_util_test.go

@@ -331,6 +331,50 @@ func TestApplyPolicies(t *testing.T) {
 			},
 			ReturnVal: busv1alpha1.SyncJobAction,
 		},
+		{
+			Name: "Test Apply policies where job uid is inconsistent, ignore the existing policy action in the job and execute syncjob",
+			Job: &v1alpha1.Job{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "job1",
+					Namespace: namespace,
+					UID:       "job1-uid-10001",
+				},
+				Spec: v1alpha1.JobSpec{
+					SchedulerName: "volcano",
+					Tasks: []v1alpha1.TaskSpec{
+						{
+							Name:     "task1",
+							Replicas: 6,
+							Template: v1.PodTemplateSpec{
+								ObjectMeta: metav1.ObjectMeta{
+									Name:      "pods",
+									Namespace: namespace,
+								},
+								Spec: v1.PodSpec{
+									Containers: []v1.Container{
+										{
+											Name: "Containers",
+										},
+									},
+								},
+							},
+							Policies: []v1alpha1.LifecyclePolicy{
+								{
+									Action:   busv1alpha1.TerminateJobAction,
+									Event:    busv1alpha1.PodEvictedEvent,
+									ExitCode: &errorCode0,
+								},
+							},
+						},
+					},
+				},
+			},
+			Request: &apis.Request{
+				JobUid: "job1-uid-10000",
+				Event:  busv1alpha1.PodEvictedEvent,
+			},
+			ReturnVal: busv1alpha1.SyncJobAction,
+		},
 		{
 			Name: "Test Apply policies where version is outdated",
 			Job: &v1alpha1.Job{