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critical pods can preempt other pods to be admitted

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This commit is contained in:
David Ashpole
2017-02-23 10:31:20 -08:00
parent 2e12711160
commit c58970e47c
15 changed files with 1071 additions and 9 deletions
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4
pkg/kubelet/kubelet.go
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@@ -75,6 +75,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/network"
"k8s.io/kubernetes/pkg/kubelet/pleg"
kubepod "k8s.io/kubernetes/pkg/kubelet/pod"
"k8s.io/kubernetes/pkg/kubelet/preemption"
"k8s.io/kubernetes/pkg/kubelet/prober"
proberesults "k8s.io/kubernetes/pkg/kubelet/prober/results"
"k8s.io/kubernetes/pkg/kubelet/remote"
@@ -783,7 +784,8 @@ func NewMainKubelet(kubeCfg *componentconfig.KubeletConfiguration, kubeDeps *Kub
klet.AddPodSyncLoopHandler(activeDeadlineHandler)
klet.AddPodSyncHandler(activeDeadlineHandler)
klet.admitHandlers.AddPodAdmitHandler(lifecycle.NewPredicateAdmitHandler(klet.getNodeAnyWay))
criticalPodAdmissionHandler := preemption.NewCriticalPodAdmissionHandler(klet.getActivePods, killPodNow(klet.podWorkers, kubeDeps.Recorder), kubeDeps.Recorder)
klet.admitHandlers.AddPodAdmitHandler(lifecycle.NewPredicateAdmitHandler(klet.getNodeAnyWay, criticalPodAdmissionHandler))
// apply functional Option's
for _, opt := range kubeDeps.Options {
opt(klet)