Type: apps.RollingUpdateDaemonSetStrategyType,
		RollingUpdate: &apps.RollingUpdateDaemonSet{
			MaxUnavailable: &zero,
			MaxSurge:       &value,
		},
	}
}

func newUpdateUnavailable(value intstr.IntOrString) apps.DaemonSetUpdateStrategy {
	return apps.DaemonSetUpdateStrategy{
		Type: apps.RollingUpdateDaemonSetStrategyType,
		RollingUpdate: &apps.RollingUpdateDaemonSet{
			MaxUnavailable: &value,
		},

	"":              "DaemonSetUpdateStrategy is a struct used to control the update strategy for a DaemonSet.",
	"type":          "Type of daemon set update. Can be \"RollingUpdate\" or \"OnDelete\". Default is RollingUpdate.",
	"rollingUpdate": "Rolling update config params. Present only if type = \"RollingUpdate\".",
}

func (DaemonSetUpdateStrategy) SwaggerDoc() map[string]string {
	return map_DaemonSetUpdateStrategy
}

message DaemonSetUpdateStrategy {
  // Type of daemon set update. Can be "RollingUpdate" or "OnDelete". Default is RollingUpdate.
  // +optional
  optional string type = 1;

  // Rolling update config params. Present only if type = "RollingUpdate".
  // ---
  // TODO: Update this to follow our convention for oneOf, whatever we decide it
  // to be. Same as Deployment `strategy.rollingUpdate`.
  // See https://github.com/kubernetes/kubernetes/issues/35345

message DaemonSetUpdateStrategy {
  // Type of daemon set update. Can be "RollingUpdate" or "OnDelete". Default is RollingUpdate.
  // +optional
  optional string type = 1;

  // Rolling update config params. Present only if type = "RollingUpdate".
  // ---
  // TODO: Update this to follow our convention for oneOf, whatever we decide it
  // to be. Same as Deployment `strategy.rollingUpdate`.
  // See https://github.com/kubernetes/kubernetes/issues/35345

			var partition int
			// default replicas for sts is 1
			replicas := 1
			// the rollingUpdate field can be nil even if the update strategy is a rolling update.
			if sts.Spec.UpdateStrategy.RollingUpdate != nil &&
				sts.Spec.UpdateStrategy.RollingUpdate.Partition != nil {
				partition = int(*sts.Spec.UpdateStrategy.RollingUpdate.Partition)
			}
			if sts.Spec.Replicas != nil {
				replicas = int(*sts.Spec.Replicas)
			}

	}
	if generation != nil {
		newTemplate.ObjectMeta.Labels[extensions.DaemonSetTemplateGenerationKey] = fmt.Sprint(*generation)
	}
	// TODO: do we need to validate if the DaemonSet is RollingUpdate or not?
	if len(hash) > 0 {
		newTemplate.ObjectMeta.Labels[extensions.DefaultDaemonSetUniqueLabelKey] = hash
	}
	return newTemplate
}

		if ss.Spec.UpdateStrategy.RollingUpdate == nil {
			ss.Spec.UpdateStrategy.RollingUpdate = &apps.RollingUpdateStatefulSetStrategy{}
		}
		ss.Spec.UpdateStrategy.RollingUpdate.Partition = partition
	}
}

func tweakMaxUnavailable(mu intstr.IntOrString) statefulSetTweak {
	return func(ss *apps.StatefulSet) {
		if ss.Spec.UpdateStrategy.RollingUpdate == nil {

  annotations: {{- toYaml .Values.additionalAnnotations | nindent 4 }}
  {{- end }}
spec:
  strategy:
    type: {{ .Values.deploymentUpdate.type }}
    {{- if eq .Values.deploymentUpdate.type "RollingUpdate" }}
    rollingUpdate:
      maxSurge: {{ .Values.deploymentUpdate.maxSurge }}
      maxUnavailable: {{ .Values.deploymentUpdate.maxUnavailable }}
    {{- end }}
  replicas: 1
  selector:
    matchLabels:

    k8s-app: konnectivity-agent
  namespace: kube-system
  name: konnectivity-agent
spec:
  selector:
    matchLabels:
      k8s-app: konnectivity-agent
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        k8s-app: konnectivity-agent
    spec:
      priorityClassName: system-cluster-critical
      tolerations:
        - key: "CriticalAddonsOnly"

kube-system labels: k8s-app: istio-cni-node release: istio istio.io/rev: default install.operator.istio.io/owning-resource: unknown operator.istio.io/component: "Cni" spec: selector: matchLabels: k8s-app: istio-cni-node updateStrategy: type: RollingUpdate rollingUpdate: maxUnavailable: 1 template: metadata: labels: k8s-app: istio-cni-node sidecar.istio.io/inject: "false" annotations: # This, along with the CriticalAddonsOnly toleration below, # marks the pod as a critical add-on, ensuring it gets # priority...