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kubelet: do not rerun init containers if any main containers have status

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This commit is contained in:
Seth Jennings 2020-11-13 10:35:54 -06:00
parent 61dc69ac2c
commit c8d02f703b
1 changed files with 12 additions and 0 deletions
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12
pkg/kubelet/kuberuntime/kuberuntime_container.go
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@ -744,6 +744,18 @@ func findNextInitContainerToRun(pod *v1.Pod, podStatus *kubecontainer.PodStatus)
return nil, nil, true
}
// If any of the main containers have status and are Running, then all init containers must
// have been executed at some point in the past. However, they could have been removed
// from the container runtime now, and if we proceed, it would appear as if they
// never ran and will re-execute improperly.
for i := range pod.Spec.Containers {
container := &pod.Spec.Containers[i]
status := podStatus.FindContainerStatusByName(container.Name)
if status != nil && status.State == kubecontainer.ContainerStateRunning {
return nil, nil, true
}
}
// If there are failed containers, return the status of the last failed one.
for i := len(pod.Spec.InitContainers) - 1; i >= 0; i-- {
container := &pod.Spec.InitContainers[i]