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Merge pull request #99569 from pacoxu/default-container/kep-1

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kubectl logs: don't check default container annotation if --all-containers is specified
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Kubernetes Prow Robot 2021-03-01 12:59:25 -08:00 committed by GitHub
commit b032ebac8e
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1 changed files with 20 additions and 19 deletions
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7
staging/src/k8s.io/kubectl/pkg/polymorphichelpers/logsforobject.go
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@ -73,6 +73,8 @@ func logsForObjectWithClient(clientset corev1client.CoreV1Interface, object, opt
return ret, nil return ret, nil
case *corev1.Pod: case *corev1.Pod:
// if allContainers is true, then we're going to locate all containers and then iterate through them. At that point, "allContainers" is false
if !allContainers {
// in case the "kubectl.kubernetes.io/default-container" annotation is present, we preset the opts.Containers to default to selected // in case the "kubectl.kubernetes.io/default-container" annotation is present, we preset the opts.Containers to default to selected
// container. This gives users ability to preselect the most interesting container in pod. // container. This gives users ability to preselect the most interesting container in pod.
if annotations := t.GetAnnotations(); annotations != nil && len(opts.Container) == 0 { if annotations := t.GetAnnotations(); annotations != nil && len(opts.Container) == 0 {
@ -91,12 +93,11 @@ func logsForObjectWithClient(clientset corev1client.CoreV1Interface, object, opt
} }
} }
} }
// if allContainers is true, then we're going to locate all containers and then iterate through them. At that point, "allContainers" is false
if !allContainers {
var containerName string var containerName string
if opts == nil || len(opts.Container) == 0 { if opts == nil || len(opts.Container) == 0 {
// We don't know container name. In this case we expect only one container to be present in the pod (ignoring InitContainers). // We don't know container name. In this case we expect only one container to be present in the pod (ignoring InitContainers).
// If there is more than one container we should return an error showing all container names. // If there is more than one container, we should return an error showing all container names.
if len(t.Spec.Containers) != 1 { if len(t.Spec.Containers) != 1 {
containerNames := getContainerNames(t.Spec.Containers) containerNames := getContainerNames(t.Spec.Containers)
initContainerNames := getContainerNames(t.Spec.InitContainers) initContainerNames := getContainerNames(t.Spec.InitContainers)