}

// PodAntiAffinityApplyConfiguration constructs an declarative configuration of the PodAntiAffinity type for use with
// apply.
func PodAntiAffinity() *PodAntiAffinityApplyConfiguration {
	return &PodAntiAffinityApplyConfiguration{}
}

			podSpec: &api.PodSpec{
				Affinity: &api.Affinity{
					PodAntiAffinity: &api.PodAntiAffinity{
						RequiredDuringSchedulingIgnoredDuringExecution: []api.PodAffinityTerm{},
					},
				},
			},
			wantPodSpec: &api.PodSpec{
				Affinity: &api.Affinity{
					PodAntiAffinity: &api.PodAntiAffinity{
						RequiredDuringSchedulingIgnoredDuringExecution: []api.PodAffinityTerm{},
					},
				},
			},
		},

	}
	affinity := pod.Spec.Affinity
	if affinity != nil && affinity.PodAntiAffinity != nil {
		var podAntiAffinityTerms []api.PodAffinityTerm
		if len(affinity.PodAntiAffinity.RequiredDuringSchedulingIgnoredDuringExecution) != 0 {
			podAntiAffinityTerms = affinity.PodAntiAffinity.RequiredDuringSchedulingIgnoredDuringExecution
		}

			errorExpected: false,
		},
		// what ever topologyKey in preferredDuringSchedulingIgnoredDuringExecution, the admission should success.
		{
			affinity: &api.Affinity{
				PodAntiAffinity: &api.PodAntiAffinity{
					PreferredDuringSchedulingIgnoredDuringExecution: []api.WeightedPodAffinityTerm{
						{
							Weight: 5,
							PodAffinityTerm: api.PodAffinityTerm{
								LabelSelector: &metav1.LabelSelector{

	NodeAffinity    *NodeAffinityApplyConfiguration    `json:"nodeAffinity,omitempty"`
	PodAffinity     *PodAffinityApplyConfiguration     `json:"podAffinity,omitempty"`
	PodAntiAffinity *PodAntiAffinityApplyConfiguration `json:"podAntiAffinity,omitempty"`
}

// AffinityApplyConfiguration constructs an declarative configuration of the Affinity type for use with
// apply.
func Affinity() *AffinityApplyConfiguration {

	}
	if p.Spec.Affinity.PodAntiAffinity == nil {
		p.Spec.Affinity.PodAntiAffinity = &v1.PodAntiAffinity{}
	}
	term := v1.PodAffinityTerm{LabelSelector: labelSelector, TopologyKey: topologyKey}
	switch kind {
	case PodAntiAffinityWithRequiredReq:
		p.Spec.Affinity.PodAntiAffinity.RequiredDuringSchedulingIgnoredDuringExecution = append(
			p.Spec.Affinity.PodAntiAffinity.RequiredDuringSchedulingIgnoredDuringExecution,

		},
		Spec: v1.PodSpec{
			NodeName: nodeName,
			Affinity: &v1.Affinity{
				PodAffinity: &v1.PodAffinity{
					RequiredDuringSchedulingIgnoredDuringExecution: affinity,
				},
				PodAntiAffinity: &v1.PodAntiAffinity{
					RequiredDuringSchedulingIgnoredDuringExecution: antiAffinity,
				},
			},
		},
	}
}

func TestRequiredAffinitySingleNode(t *testing.T) {

          operator: In
          values:
          - {{ $key | quote }}
    {{- end }}
  {{- end }}
{{- end }}

{{- define "podAntiAffinity" }}
{{- if or .podAntiAffinityLabelSelector .podAntiAffinityTermLabelSelector}}
  podAntiAffinity:
    {{- if .podAntiAffinityLabelSelector }}
    requiredDuringSchedulingIgnoredDuringExecution:
    {{- include "podAntiAffinityRequiredDuringScheduling" . }}

          operator: In
          values:
          - {{ $key | quote }}
    {{- end }}
  {{- end }}
{{- end }}

{{- define "podAntiAffinity" }}
{{- if or .podAntiAffinityLabelSelector .podAntiAffinityTermLabelSelector}}
  podAntiAffinity:
    {{- if .podAntiAffinityLabelSelector }}
    requiredDuringSchedulingIgnoredDuringExecution:
    {{- include "podAntiAffinityRequiredDuringScheduling" . }}

  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 10%
  template:
    metadata:
      labels:
        service: bind
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                - key: "service"
                  operator: "In"