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Merge pull request #98715 from carlory/truncate-message

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fix kube-scheduler cannot send event because the Note field is too large
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Kubernetes Prow Robot 2021-02-04 08:20:32 -08:00 committed by GitHub
commit 3416b6b0a4
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2 changed files with 14 additions and 1 deletions
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1
pkg/scheduler/BUILD
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@ -11,6 +11,7 @@ go_library(
visibility = ["//visibility:public"],
deps = [
"//pkg/api/v1/pod:go_default_library",
"//pkg/apis/core/validation:go_default_library",
"//pkg/scheduler/algorithmprovider:go_default_library",
"//pkg/scheduler/apis/config:go_default_library",
"//pkg/scheduler/apis/config/scheme:go_default_library",

14
pkg/scheduler/scheduler.go
View File

@ -35,6 +35,7 @@ import (
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
"k8s.io/kubernetes/pkg/apis/core/validation"
schedulerapi "k8s.io/kubernetes/pkg/scheduler/apis/config"
"k8s.io/kubernetes/pkg/scheduler/apis/config/scheme"
"k8s.io/kubernetes/pkg/scheduler/core"
@ -328,7 +329,8 @@ func (sched *Scheduler) recordSchedulingFailure(fwk framework.Framework, podInfo
}
pod := podInfo.Pod
fwk.EventRecorder().Eventf(pod, nil, v1.EventTypeWarning, "FailedScheduling", "Scheduling", err.Error())
msg := truncateMessage(err.Error())
fwk.EventRecorder().Eventf(pod, nil, v1.EventTypeWarning, "FailedScheduling", "Scheduling", msg)
if err := updatePod(sched.client, pod, &v1.PodCondition{
Type: v1.PodScheduled,
Status: v1.ConditionFalse,
@ -339,6 +341,16 @@ func (sched *Scheduler) recordSchedulingFailure(fwk framework.Framework, podInfo
}
}
// truncateMessage truncates a message if it hits the NoteLengthLimit.
func truncateMessage(message string) string {
max := validation.NoteLengthLimit
if len(message) <= max {
return message
}
suffix := " ..."
return message[:max-len(suffix)] + suffix
}
func updatePod(client clientset.Interface, pod *v1.Pod, condition *v1.PodCondition, nominatedNode string) error {
klog.V(3).InfoS("Updating pod condition", "pod", klog.KObj(pod), "conditionType", condition.Type, "conditionStatus", condition.Status, "conditionReason", condition.Reason)
podCopy := pod.DeepCopy()