istio

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{{/* affinity - https://kubernetes.io/docs/concepts/configuration/assign-pod-node/ */}}
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{{ define "nodeaffinity" }}
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nodeAffinity:
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  requiredDuringSchedulingIgnoredDuringExecution:
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  {{- include "nodeAffinityRequiredDuringScheduling" . }}
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  preferredDuringSchedulingIgnoredDuringExecution:
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  {{- include "nodeAffinityPreferredDuringScheduling" . }}
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{{- end }}
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{{- define "nodeAffinityRequiredDuringScheduling" }}
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  {{- $nodeSelector := default .global.defaultNodeSelector .nodeSelector -}}
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  {{- if or .global.arch $nodeSelector }}
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      nodeSelectorTerms:
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      - matchExpressions:
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        {{- if .global.arch }}
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        - key: kubernetes.io/arch
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          operator: In
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          values:
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        {{- range $key, $val := .global.arch }}
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          {{- if gt ($val | int) 0 }}
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          - {{ $key | quote }}
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          {{- end }}
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        {{- end }}
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        {{- end }}
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        {{- range $key, $val := $nodeSelector }}
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        - key: {{ $key }}
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          operator: In
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          values:
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          - {{ $val | quote }}
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        {{- end }}
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  {{- end }}
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{{- end }}
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{{- define "nodeAffinityPreferredDuringScheduling" }}
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  {{- range $key, $val := .global.arch }}
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    {{- if gt ($val | int) 0 }}
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    - weight: {{ $val | int }}
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      preference:
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        matchExpressions:
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        - key: kubernetes.io/arch
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          operator: In
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          values:
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          - {{ $key | quote }}
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    {{- end }}
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  {{- end }}
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{{- end }}
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{{- define "podAntiAffinity" }}
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{{- if or .podAntiAffinityLabelSelector .podAntiAffinityTermLabelSelector}}
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  podAntiAffinity:
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    {{- if .podAntiAffinityLabelSelector }}
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    requiredDuringSchedulingIgnoredDuringExecution:
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    {{- include "podAntiAffinityRequiredDuringScheduling" . }}
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    {{- end }}
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    {{- if .podAntiAffinityTermLabelSelector }}
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    preferredDuringSchedulingIgnoredDuringExecution:
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    {{- include "podAntiAffinityPreferredDuringScheduling" . }}
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    {{- end }}
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{{- end }}
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{{- end }}
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{{- define "podAntiAffinityRequiredDuringScheduling" }}
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    {{- range $index, $item := .podAntiAffinityLabelSelector }}
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    - labelSelector:
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        matchExpressions:
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        - key: {{ $item.key }}
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          operator: {{ $item.operator }}
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          {{- if $item.values }}
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          values:
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          {{- $vals := split "," $item.values }}
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          {{- range $i, $v := $vals }}
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          - {{ $v | quote }}
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          {{- end }}
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          {{- end }}
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      topologyKey: {{ $item.topologyKey }}
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      {{- if $item.namespaces }}
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      namespaces:
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      {{- $ns := split "," $item.namespaces }}
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      {{- range $i, $n := $ns }}
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      - {{ $n | quote }}
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      {{- end }}
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      {{- end }}
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    {{- end }}
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{{- end }}
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{{- define "podAntiAffinityPreferredDuringScheduling" }}
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    {{- range $index, $item := .podAntiAffinityTermLabelSelector }}
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    - podAffinityTerm:
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        labelSelector:
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          matchExpressions:
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          - key: {{ $item.key }}
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            operator: {{ $item.operator }}
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            {{- if $item.values }}
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            values:
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            {{- $vals := split "," $item.values }}
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            {{- range $i, $v := $vals }}
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            - {{ $v | quote }}
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            {{- end }}
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            {{- end }}
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        topologyKey: {{ $item.topologyKey }}
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      weight: 100
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    {{- end }}
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{{- end }}
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