code: func (kl *Kubelet) GetPodDNS(pod *v1.Pod) (*runtimeapi.DNSConfig, error) {
  	return kl.dnsConfigurer.GetPodDNS(pod)
  }
docs: // GetPodDNS returns DNS settings for the pod.
  // This function is defined in kubecontainer.RuntimeHelper interface so we
  // have to implement it.