// Allowing surge implies the possibility that the resources consumed by the
  // daemonset on any given node can double if the readiness check fails, and
  // so resource intensive daemonsets should take into account that they may
  // cause evictions during disruption.
  // +optional
  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxSurge = 2;
}

			return err
		}
		return f(configWriter)
	}
}

func PodOnNodeFromDaemonset(node string, name, namespace string, client kube.Client) (types.NamespacedName, error) {
	ds, err := client.Kube().AppsV1().DaemonSets(namespace).Get(context.Background(), name, metav1.GetOptions{})
	if err != nil {
		return types.NamespacedName{}, err
	}
	selector := ds.Spec.Selector
	if selector == nil {

* make docker-checker more robust ([#23662](https://github.com/kubernetes/kubernetes/pull/23662), [@ArtfulCoder](https://github.com/ArtfulCoder))
* validate that daemonsets don't have empty selectors on creation ([#23530](https://github.com/kubernetes/kubernetes/pull/23530), [@mikedanese](https://github.com/mikedanese))

  // Allowing surge implies the possibility that the resources consumed by the
  // daemonset on any given node can double if the readiness check fails, and
  // so resource intensive daemonsets should take into account that they may
  // cause evictions during disruption.
  // +optional
  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxSurge = 2;
}

  // Allowing surge implies the possibility that the resources consumed by the
  // daemonset on any given node can double if the readiness check fails, and
  // so resource intensive daemonsets should take into account that they may
  // cause evictions during disruption.
  // This is an alpha field and requires enabling DaemonSetUpdateSurge feature gate.
  // +optional