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feat: helm chart
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‎chart/Chart.yaml‎

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apiVersion: v2
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name: docker-cache-server
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version: 0.0.1
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appVersion: v0.0.2
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kubeVersion: ">=1.18.0"

‎chart/templates/_affinities.tpl‎

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Return a soft nodeAffinity definition
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{{ include "common.affinities.nodes.soft" (dict "key" "FOO" "values" (list "BAR" "BAZ")) -}}
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*/}}
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{{- define "common.affinities.nodes.soft" -}}
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preferredDuringSchedulingIgnoredDuringExecution:
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- preference:
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matchExpressions:
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- key: {{ .key }}
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operator: In
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values:
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{{- range .values }}
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- {{ . | quote }}
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{{- end }}
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weight: 1
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{{- end -}}
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{{/*
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Return a hard nodeAffinity definition
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{{ include "common.affinities.nodes.hard" (dict "key" "FOO" "values" (list "BAR" "BAZ")) -}}
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*/}}
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{{- define "common.affinities.nodes.hard" -}}
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: {{ .key }}
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operator: In
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values:
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{{- range .values }}
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- {{ . | quote }}
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{{- end }}
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{{- end -}}
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{{/*
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Return a nodeAffinity definition
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{{ include "common.affinities.nodes" (dict "type" "soft" "key" "FOO" "values" (list "BAR" "BAZ")) -}}
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*/}}
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{{- define "common.affinities.nodes" -}}
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{{- if eq .type "soft" }}
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{{- include "common.affinities.nodes.soft" . -}}
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{{- else if eq .type "hard" }}
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{{- include "common.affinities.nodes.hard" . -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return a soft podAffinity/podAntiAffinity definition
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{{ include "common.affinities.pods.soft" (dict "component" "FOO" "extraMatchLabels" .Values.extraMatchLabels "context" $) -}}
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*/}}
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{{- define "common.affinities.pods.soft" -}}
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{{- $component := default "" .component -}}
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{{- $extraMatchLabels := default (dict) .extraMatchLabels -}}
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preferredDuringSchedulingIgnoredDuringExecution:
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- podAffinityTerm:
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labelSelector:
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matchLabels: {{- (include "common.labels.matchLabels" .context) | nindent 10 }}
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{{- if not (empty $component) }}
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{{ printf "docker-cache-server.kubernetes.io/component: %s" $component }}
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{{- end }}
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{{- range $key, $value := $extraMatchLabels }}
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{{ $key }}: {{ $value | quote }}
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{{- end }}
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namespaces:
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- {{ include "common.names.namespace" .context | quote }}
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topologyKey: kubernetes.io/hostname
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weight: 1
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{{- end -}}
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{{/*
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Return a hard podAffinity/podAntiAffinity definition
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{{ include "common.affinities.pods.hard" (dict "component" "FOO" "extraMatchLabels" .Values.extraMatchLabels "context" $) -}}
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*/}}
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{{- define "common.affinities.pods.hard" -}}
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{{- $component := default "" .component -}}
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{{- $extraMatchLabels := default (dict) .extraMatchLabels -}}
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchLabels: {{- (include "common.labels.matchLabels" .context) | nindent 8 }}
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{{- if not (empty $component) }}
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{{ printf "docker-cache-server.kubernetes.io/component: %s" $component }}
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{{- end }}
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{{- range $key, $value := $extraMatchLabels }}
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{{ $key }}: {{ $value | quote }}
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{{- end }}
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namespaces:
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- {{ include "common.names.namespace" .context | quote }}
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topologyKey: kubernetes.io/hostname
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{{- end -}}
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{{/*
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Return a podAffinity/podAntiAffinity definition
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{{ include "common.affinities.pods" (dict "type" "soft" "key" "FOO" "values" (list "BAR" "BAZ")) -}}
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*/}}
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{{- define "common.affinities.pods" -}}
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{{- if eq .type "soft" }}
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{{- include "common.affinities.pods.soft" . -}}
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{{- else if eq .type "hard" }}
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{{- include "common.affinities.pods.hard" . -}}
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{{- end -}}
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{{- end -}}

‎chart/templates/_app.tpl‎

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{{- define "docker-cache-server.image" -}}
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{{- $image := (include "common.images.image" (dict "imageRoot" .Values.image "global" .Values.global)) }}
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{{- if eq .Values.image.tag "" -}}
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{{- $image = (printf "%s%s" $image .Chart.AppVersion) -}}
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{{- end -}}
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{{- $image -}}
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{{- end -}}
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{{- define "docker-cache-server.imagePullSecrets" -}}
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{{- include "common.images.pullSecrets" (dict "images" (list .Values.image) "global" .Values.global) -}}
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{{- end -}}
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{{- define "docker-cache-server.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create -}}
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{{ default (include "common.names.fullname" .) .Values.serviceAccount.name }}
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{{- else -}}
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{{ default "default" .Values.serviceAccount.name }}
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{{- end -}}
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{{- end -}}
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{{- define "docker-cache-server.configMapName" -}}
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{{- if .Values.existingConfigMap -}}
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{{- .Values.existingConfigMap -}}
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{{- else -}}
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{{ template "common.names.fullname" . }}-config
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{{- end -}}
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{{- end -}}
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{{- define "docker-cache-server.resources.requests" }}
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{{- $def := dict -}}
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{{- if not .Values.cacheStorage.persistence.enabled -}}
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{{- $def = dict "ephemeral-storage" .Values.cacheStorage.emptyDir.sizeLimit }}
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{{- end -}}
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{{- merge .Values.resources.requests $def | toYaml -}}
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{{- end }}
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{{- define "docker-cache-server.cacheStorage.pvcName" }}
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{{- printf "%s-cache" (include "common.names.fullname" .) }}
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{{- end }}
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{{- define "docker-cache-server.configmapName" -}}
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{{- printf "%s-config" (include "common.names.fullname" .) -}}
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{{- end }}
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‎chart/templates/_capabilities.tpl‎

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Return the target Kubernetes version
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*/}}
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{{- define "common.capabilities.kubeVersion" -}}
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{{- if .Values.global }}
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{{- if .Values.global.kubeVersion }}
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{{- .Values.global.kubeVersion -}}
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{{- else }}
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{{- default .Capabilities.KubeVersion.Version .Values.kubeVersion -}}
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{{- end -}}
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{{- else }}
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{{- default .Capabilities.KubeVersion.Version .Values.kubeVersion -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for poddisruptionbudget.
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*/}}
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{{- define "common.capabilities.policy.apiVersion" -}}
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{{- if semverCompare "<1.21-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "policy/v1beta1" -}}
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{{- else -}}
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{{- print "policy/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for networkpolicy.
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*/}}
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{{- define "common.capabilities.networkPolicy.apiVersion" -}}
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{{- if semverCompare "<1.7-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "extensions/v1beta1" -}}
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{{- else -}}
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{{- print "networking.k8s.io/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for cronjob.
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*/}}
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{{- define "common.capabilities.cronjob.apiVersion" -}}
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{{- if semverCompare "<1.21-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "batch/v1beta1" -}}
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{{- else -}}
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{{- print "batch/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for deployment.
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*/}}
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{{- define "common.capabilities.deployment.apiVersion" -}}
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{{- if semverCompare "<1.14-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "extensions/v1beta1" -}}
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{{- else -}}
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{{- print "apps/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for statefulset.
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*/}}
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{{- define "common.capabilities.statefulset.apiVersion" -}}
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{{- if semverCompare "<1.14-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "apps/v1beta1" -}}
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{{- else -}}
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{{- print "apps/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for ingress.
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*/}}
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{{- define "common.capabilities.ingress.apiVersion" -}}
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{{- if .Values.ingress -}}
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{{- if .Values.ingress.apiVersion -}}
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{{- .Values.ingress.apiVersion -}}
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{{- else if semverCompare "<1.14-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "extensions/v1beta1" -}}
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{{- else if semverCompare "<1.19-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "networking.k8s.io/v1beta1" -}}
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{{- else -}}
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{{- print "networking.k8s.io/v1" -}}
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{{- end }}
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{{- else if semverCompare "<1.14-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "extensions/v1beta1" -}}
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{{- else if semverCompare "<1.19-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "networking.k8s.io/v1beta1" -}}
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{{- else -}}
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{{- print "networking.k8s.io/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for RBAC resources.
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*/}}
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{{- define "common.capabilities.rbac.apiVersion" -}}
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{{- if semverCompare "<1.17-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "rbac.authorization.k8s.io/v1beta1" -}}
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{{- else -}}
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{{- print "rbac.authorization.k8s.io/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for CRDs.
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*/}}
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{{- define "common.capabilities.crd.apiVersion" -}}
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{{- if semverCompare "<1.19-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "apiextensions.k8s.io/v1beta1" -}}
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{{- else -}}
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{{- print "apiextensions.k8s.io/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for APIService.
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*/}}
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{{- define "common.capabilities.apiService.apiVersion" -}}
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{{- if semverCompare "<1.10-0" (include "common.capabilities.kubeVersion" .) -}}
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{{- print "apiregistration.k8s.io/v1beta1" -}}
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{{- else -}}
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{{- print "apiregistration.k8s.io/v1" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Return the appropriate apiVersion for Horizontal Pod Autoscaler.
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*/}}
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{{- define "common.capabilities.hpa.apiVersion" -}}
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{{- if semverCompare "<1.23-0" (include "common.capabilities.kubeVersion" .context) -}}
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{{- if .beta2 -}}
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{{- print "autoscaling/v2beta2" -}}
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{{- else -}}
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{{- print "autoscaling/v2beta1" -}}
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{{- end -}}
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{{- else -}}
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{{- print "autoscaling/v2" -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Returns true if the used Helm version is 3.3+.
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A way to check the used Helm version was not introduced until version 3.3.0 with .Capabilities.HelmVersion, which contains an additional "{}}" structure.
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This check is introduced as a regexMatch instead of {{ if .Capabilities.HelmVersion }} because checking for the key HelmVersion in <3.3 results in a "interface not found" error.
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**To be removed when the catalog's minimun Helm version is 3.3**
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*/}}
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{{- define "common.capabilities.supportsHelmVersion" -}}
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{{- if regexMatch "{(v[0-9])*[^}]*}}$" (.Capabilities | toString ) }}
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{{- true -}}
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{{- end -}}
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{{- end -}}

‎chart/templates/_helper.tpl‎

Whitespace-only changes.

‎chart/templates/_images.tpl‎

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Return the proper image name
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{{ include "common.images.image" ( dict "imageRoot" .Values.path.to.the.image "global" $) }}
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*/}}
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{{- define "common.images.image" -}}
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{{- $registryName := .imageRoot.registry -}}
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{{- $repositoryName := .imageRoot.repository -}}
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{{- $separator := ":" -}}
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{{- $termination := .imageRoot.tag | toString -}}
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{{- if .global }}
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{{- if .global.imageRegistry }}
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{{- $registryName = .global.imageRegistry -}}
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{{- end -}}
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{{- end -}}
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{{- if .imageRoot.digest }}
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{{- $separator = "@" -}}
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{{- $termination = .imageRoot.digest | toString -}}
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{{- end -}}
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{{- printf "%s/%s%s%s" $registryName $repositoryName $separator $termination -}}
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{{- end -}}
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{{/*
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Return the proper Docker Image Registry Secret Names (deprecated: use common.images.renderPullSecrets instead)
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{{ include "common.images.pullSecrets" ( dict "images" (list .Values.path.to.the.image1, .Values.path.to.the.image2) "global" .Values.global) }}
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*/}}
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{{- define "common.images.pullSecrets" -}}
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{{- $pullSecrets := list }}
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{{- if .global }}
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{{- range .global.imagePullSecrets -}}
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{{- $pullSecrets = append $pullSecrets . -}}
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{{- end -}}
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{{- end -}}
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{{- range .images -}}
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{{- range .pullSecrets -}}
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{{- $pullSecrets = append $pullSecrets . -}}
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{{- end -}}
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{{- end -}}
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{{- if (not (empty $pullSecrets)) }}
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imagePullSecrets:
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{{- range $pullSecrets }}
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- name: {{ . }}
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{{- end }}
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{{- end }}
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{{- end -}}
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{{/*
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Return the proper Docker Image Registry Secret Names evaluating values as templates
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{{ include "common.images.renderPullSecrets" ( dict "images" (list .Values.path.to.the.image1, .Values.path.to.the.image2) "context" $) }}
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*/}}
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{{- define "common.images.renderPullSecrets" -}}
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{{- $pullSecrets := list }}
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{{- $context := .context }}
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{{- if $context.Values.global }}
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{{- range $context.Values.global.imagePullSecrets -}}
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{{- $pullSecrets = append $pullSecrets (include "common.tplvalues.render" (dict "value" . "context" $context)) -}}
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{{- end -}}
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{{- end -}}
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{{- range .images -}}
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{{- range .pullSecrets -}}
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{{- $pullSecrets = append $pullSecrets (include "common.tplvalues.render" (dict "value" . "context" $context)) -}}
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{{- end -}}
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{{- end -}}
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{{- if (not (empty $pullSecrets)) }}
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imagePullSecrets:
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{{- range $pullSecrets }}
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- name: {{ . }}
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{{- end }}
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{{- end }}
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{{- end -}}

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