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Merge pull request #111999 from kerthcet/refactor/handle-failure

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fix error type when handling failures in scheduler
This commit is contained in:
Kubernetes Prow Robot 2022-08-30 05:47:01 -07:00 committed by GitHub
commit 04f8a5c41a
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2 changed files with 14 additions and 8 deletions
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4
pkg/scheduler/schedule_one.go
View File

@ -122,6 +122,7 @@ func (sched *Scheduler) schedulingCycle(ctx context.Context, state *framework.Cy
// will fit due to the preemption. It is also possible that a different pod will schedule // will fit due to the preemption. It is also possible that a different pod will schedule
// into the resources that were preempted, but this is harmless. // into the resources that were preempted, but this is harmless.
var nominatingInfo *framework.NominatingInfo var nominatingInfo *framework.NominatingInfo
reason := v1.PodReasonUnschedulable
if fitError, ok := err.(*framework.FitError); ok { if fitError, ok := err.(*framework.FitError); ok {
if !fwk.HasPostFilterPlugins() { if !fwk.HasPostFilterPlugins() {
klog.V(3).InfoS("No PostFilter plugins are registered, so no preemption will be performed") klog.V(3).InfoS("No PostFilter plugins are registered, so no preemption will be performed")
@ -150,8 +151,9 @@ func (sched *Scheduler) schedulingCycle(ctx context.Context, state *framework.Cy
nominatingInfo = clearNominatedNode nominatingInfo = clearNominatedNode
klog.ErrorS(err, "Error selecting node for pod", "pod", klog.KObj(pod)) klog.ErrorS(err, "Error selecting node for pod", "pod", klog.KObj(pod))
metrics.PodScheduleError(fwk.ProfileName(), metrics.SinceInSeconds(start)) metrics.PodScheduleError(fwk.ProfileName(), metrics.SinceInSeconds(start))
reason = SchedulerError
} }
sched.FailureHandler(ctx, fwk, podInfo, err, v1.PodReasonUnschedulable, nominatingInfo) sched.FailureHandler(ctx, fwk, podInfo, err, reason, nominatingInfo)
return ScheduleResult{}, nil return ScheduleResult{}, nil
} }
metrics.SchedulingAlgorithmLatency.Observe(metrics.SinceInSeconds(start)) metrics.SchedulingAlgorithmLatency.Observe(metrics.SinceInSeconds(start))

18
test/integration/scheduler/plugins/plugins_test.go
View File

@ -581,10 +581,14 @@ func TestPreFilterPlugin(t *testing.T) {
t.Errorf("Error while creating a test pod: %v", err) t.Errorf("Error while creating a test pod: %v", err)
} }
if test.reject || test.fail { if test.reject {
if err = waitForPodUnschedulable(testCtx.ClientSet, pod); err != nil { if err = waitForPodUnschedulable(testCtx.ClientSet, pod); err != nil {
t.Errorf("Didn't expect the pod to be scheduled. error: %v", err) t.Errorf("Didn't expect the pod to be scheduled. error: %v", err)
} }
} else if test.fail {
if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(testCtx.ClientSet, pod.Namespace, pod.Name)); err != nil {
t.Errorf("Expected a scheduling error, but got: %v", err)
}
} else { } else {
if err = testutils.WaitForPodToSchedule(testCtx.ClientSet, pod); err != nil { if err = testutils.WaitForPodToSchedule(testCtx.ClientSet, pod); err != nil {
t.Errorf("Expected the pod to be scheduled. error: %v", err) t.Errorf("Expected the pod to be scheduled. error: %v", err)
@ -790,8 +794,8 @@ func TestScorePlugin(t *testing.T) {
} }
if test.fail { if test.fail {
if err = waitForPodUnschedulable(testCtx.ClientSet, pod); err != nil { if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(testCtx.ClientSet, pod.Namespace, pod.Name)); err != nil {
t.Errorf("Didn't expect the pod to be scheduled. error: %v", err) t.Errorf("Expected a scheduling error, but got: %v", err)
} }
} else { } else {
if err = testutils.WaitForPodToSchedule(testCtx.ClientSet, pod); err != nil { if err = testutils.WaitForPodToSchedule(testCtx.ClientSet, pod); err != nil {
@ -2010,8 +2014,8 @@ func TestFilterPlugin(t *testing.T) {
} }
if test.fail { if test.fail {
if err = wait.Poll(10*time.Millisecond, 30*time.Second, podUnschedulable(testCtx.ClientSet, pod.Namespace, pod.Name)); err != nil { if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(testCtx.ClientSet, pod.Namespace, pod.Name)); err != nil {
t.Errorf("Didn't expect the pod to be scheduled.") t.Errorf("Expected a scheduling error, but got: %v", err)
} }
if filterPlugin.numFilterCalled < 1 { if filterPlugin.numFilterCalled < 1 {
t.Errorf("Expected the filter plugin to be called at least 1 time, but got %v.", filterPlugin.numFilterCalled) t.Errorf("Expected the filter plugin to be called at least 1 time, but got %v.", filterPlugin.numFilterCalled)
@ -2068,8 +2072,8 @@ func TestPreScorePlugin(t *testing.T) {
} }
if test.fail { if test.fail {
if err = waitForPodUnschedulable(testCtx.ClientSet, pod); err != nil { if err = wait.Poll(10*time.Millisecond, 30*time.Second, podSchedulingError(testCtx.ClientSet, pod.Namespace, pod.Name)); err != nil {
t.Errorf("Didn't expect the pod to be scheduled. error: %v", err) t.Errorf("Expected a scheduling error, but got: %v", err)
} }
} else { } else {
if err = testutils.WaitForPodToSchedule(testCtx.ClientSet, pod); err != nil { if err = testutils.WaitForPodToSchedule(testCtx.ClientSet, pod); err != nil {