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Pass all changes of DeletionTimestamp and DeletionGracePeriodSeconds to kubelet

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This commit is contained in:
Dr. Stefan Schimanski 2015-09-24 23:08:28 +02:00
parent df91307265
commit 74e57e85f1
1 changed files with 25 additions and 12 deletions
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23
contrib/mesos/pkg/executor/executor.go
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@ -36,6 +36,7 @@ import (
"k8s.io/kubernetes/contrib/mesos/pkg/node"
"k8s.io/kubernetes/contrib/mesos/pkg/scheduler/meta"
"k8s.io/kubernetes/pkg/api"
unversionedapi "k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/client/cache"
client "k8s.io/kubernetes/pkg/client/unversioned"
"k8s.io/kubernetes/pkg/controller/framework"
@ -376,13 +377,16 @@ func (k *KubernetesExecutor) handleChangedApiserverPod(pod *api.Pod) {
oldPod := k.pods[task.podName]
// terminating pod?
if oldPod != nil && oldPod.DeletionTimestamp == nil &&
pod.DeletionTimestamp != nil && pod.Status.Phase == api.PodRunning &&
pod.DeletionGracePeriodSeconds != nil && *pod.DeletionGracePeriodSeconds > 0 {
if oldPod != nil && pod.Status.Phase == api.PodRunning {
timeModified := differentTime(oldPod.DeletionTimestamp, pod.DeletionTimestamp)
graceModified := differentPeriod(oldPod.DeletionGracePeriodSeconds, pod.DeletionGracePeriodSeconds)
if timeModified || graceModified {
log.Infof("pod %s/%s is terminating at %v with %vs grace period, telling kubelet", pod.Namespace, pod.Name, *pod.DeletionTimestamp, *pod.DeletionGracePeriodSeconds)
// modify pod in our registry to avoid that other changed bleed into the kubelet
// modify the pod in our registry instead of sending the new pod. The later
// would allow that other changes bleed into the kubelet. For now we are
// very conservative changing this behaviour.
// TODO(sttts): check whether we can and should send all changes down to the kubelet
oldPod.DeletionTimestamp = pod.DeletionTimestamp
oldPod.DeletionGracePeriodSeconds = pod.DeletionGracePeriodSeconds
@ -393,6 +397,7 @@ func (k *KubernetesExecutor) handleChangedApiserverPod(pod *api.Pod) {
k.updateChan <- update
}
}
}
// determine whether we need to start a suicide countdown. if so, then start
// a timer that, upon expiration, causes this executor to commit suicide.
@ -940,3 +945,11 @@ func (k *KubernetesExecutor) sendLoop() {
}
}
}
func differentTime(a, b *unversionedapi.Time) bool {
return (a == nil) != (b == nil) || (a != nil && b != nil && *a != *b)
}
func differentPeriod(a, b *int64) bool {
return (a == nil) != (b == nil) || (a != nil && b != nil && *a != *b)
}