code: func RunConfigView(out io.Writer, client clientset.Interface) error {
  
  	klog.V(1).Infoln("[config] getting the cluster configuration")
  	cfgConfigMap, err := client.CoreV1().ConfigMaps(metav1.NamespaceSystem).Get(constants.KubeadmConfigConfigMap, metav1.GetOptions{})
  	if err != nil {
  		return err
  	}
  	// No need to append \n as that already exists in the ConfigMap
  	fmt.Fprintf(out, "%s", cfgConfigMap.Data[constants.ClusterConfigurationConfigMapKey])
  	return nil
  }
docs: // RunConfigView gets the configuration persisted in the cluster