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eliminate cross-namespace HPA escalation attack

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This commit is contained in:
deads2k
2015-11-02 09:26:48 -05:00
parent 1b437272ba
commit fd1c8e096a
20 changed files with 9797 additions and 9913 deletions
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5
pkg/kubectl/describe.go
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@@ -1295,9 +1295,8 @@ func (d *HorizontalPodAutoscalerDescriber) Describe(namespace, name string) (str
fmt.Fprintf(out, "Namespace:\t%s\n", hpa.Namespace)
fmt.Fprintf(out, "Labels:\t%s\n", labels.FormatLabels(hpa.Labels))
fmt.Fprintf(out, "CreationTimestamp:\t%s\n", hpa.CreationTimestamp.Time.Format(time.RFC1123Z))
fmt.Fprintf(out, "Reference:\t%s/%s/%s/%s\n",
fmt.Fprintf(out, "Reference:\t%s/%s/%s\n",
hpa.Spec.ScaleRef.Kind,
hpa.Spec.ScaleRef.Namespace,
hpa.Spec.ScaleRef.Name,
hpa.Spec.ScaleRef.Subresource)
if hpa.Spec.CPUUtilization != nil {
@@ -1319,7 +1318,7 @@ func (d *HorizontalPodAutoscalerDescriber) Describe(namespace, name string) (str
// TODO: switch to scale subresource once the required code is submitted.
if strings.ToLower(hpa.Spec.ScaleRef.Kind) == "replicationcontroller" {
fmt.Fprintf(out, "ReplicationController pods:\t")
rc, err := d.client.ReplicationControllers(hpa.Spec.ScaleRef.Namespace).Get(hpa.Spec.ScaleRef.Name)
rc, err := d.client.ReplicationControllers(hpa.Namespace).Get(hpa.Spec.ScaleRef.Name)
if err == nil {
fmt.Fprintf(out, "%d current / %d desired\n", rc.Status.Replicas, rc.Spec.Replicas)
} else {