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scheduler_perf: show name of one pending pod in error message

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If pods get stuck, then giving the name of one makes it possible
to search for it in the log output. Without the name it's hard
to figure out which pods got stuck.
This commit is contained in:
Patrick Ohly
2023-09-01 08:30:13 +02:00
parent 6eca142082
commit c74d045c4b
2 changed files with 28 additions and 10 deletions
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21
test/integration/scheduler_perf/util.go
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@@ -147,23 +147,28 @@ func mustSetupCluster(ctx context.Context, tb testing.TB, config *config.KubeSch
return informerFactory, client, dynClient
}
// Returns the list of scheduled pods in the specified namespaces.
// Returns the list of scheduled and unscheduled pods in the specified namespaces.
// Note that no namespaces specified matches all namespaces.
func getScheduledPods(podInformer coreinformers.PodInformer, namespaces ...string) ([]*v1.Pod, error) {
func getScheduledPods(podInformer coreinformers.PodInformer, namespaces ...string) ([]*v1.Pod, []*v1.Pod, error) {
pods, err := podInformer.Lister().List(labels.Everything())
if err != nil {
return nil, err
return nil, nil, err
}
s := sets.New(namespaces...)
scheduled := make([]*v1.Pod, 0, len(pods))
unscheduled := make([]*v1.Pod, 0, len(pods))
for i := range pods {
pod := pods[i]
if len(pod.Spec.NodeName) > 0 && (len(s) == 0 || s.Has(pod.Namespace)) {
scheduled = append(scheduled, pod)
if len(s) == 0 || s.Has(pod.Namespace) {
if len(pod.Spec.NodeName) > 0 {
scheduled = append(scheduled, pod)
} else {
unscheduled = append(unscheduled, pod)
}
}
}
return scheduled, nil
return scheduled, unscheduled, nil
}
// DataItem is the data point.
@@ -355,7 +360,7 @@ func newThroughputCollector(tb testing.TB, podInformer coreinformers.PodInformer
}
func (tc *throughputCollector) run(ctx context.Context) {
podsScheduled, err := getScheduledPods(tc.podInformer, tc.namespaces...)
podsScheduled, _, err := getScheduledPods(tc.podInformer, tc.namespaces...)
if err != nil {
klog.Fatalf("%v", err)
}
@@ -372,7 +377,7 @@ func (tc *throughputCollector) run(ctx context.Context) {
return
case <-ticker.C:
now := time.Now()
podsScheduled, err := getScheduledPods(tc.podInformer, tc.namespaces...)
podsScheduled, _, err := getScheduledPods(tc.podInformer, tc.namespaces...)
if err != nil {
klog.Fatalf("%v", err)
}