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path: root/kubernetes/common/common/templates/_ingress.tpl
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{{- define "ingress.config.port" -}}
{{-   $dot := default . .dot -}}
{{-   $burl := (required "'baseurl' param, set to the generic part of the fqdn, is required." $dot.Values.global.ingress.virtualhost.baseurl) -}}
{{ range .Values.ingress.service }}
{{-   $baseaddr := (required "'baseaddr' param, set to the specific part of the fqdn, is required." .baseaddr) }}
  - host: {{ printf "%s.%s" $baseaddr $burl }}
    http:
      paths:
      - backend:
          serviceName: {{ .name }}
          servicePort: {{ .port }}
        {{- if .path }}
        path: {{ .path }}
        {{- end }}
{{- end }}
{{- end -}}


{{- define "ingress.config.annotations.ssl" -}}
{{- if .Values.ingress.config -}}
{{- if .Values.ingress.config.ssl -}}
{{- if eq .Values.ingress.config.ssl "redirect" -}}
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/ssl-passthrough: "true"
nginx.ingress.kubernetes.io/ssl-redirect: "true"
{{-  else if eq .Values.ingress.config.ssl "native" -}}
nginx.ingress.kubernetes.io/ssl-redirect: "true"
{{-  else if eq .Values.ingress.config.ssl "none" -}}
nginx.ingress.kubernetes.io/ssl-redirect: "false"
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}


{{- define "ingress.config.annotations" -}}
{{- if .Values.ingress -}}
{{- if .Values.ingress.annotations -}}
{{ toYaml .Values.ingress.annotations | indent 4 | trim }}
{{- end -}}
{{- end -}}
{{ include "ingress.config.annotations.ssl" . | indent 4 | trim }}
{{- end -}}

{{- define "common.ingress._overrideIfDefined" -}}
  {{- $currValue := .currVal }}
  {{- $parent := .parent }}
  {{- $var := .var }}
  {{- if $parent -}}
    {{- if hasKey $parent $var }}
      {{- default "" (index $parent $var) }}
    {{- else -}}
      {{- default "" $currValue -}}
    {{- end -}}
  {{- else -}}
    {{- default "" $currValue }}
  {{- end -}}
{{- end -}}

{{- define "common.ingress" -}}
{{- if .Values.ingress -}}
  {{- $ingressEnabled := default false .Values.ingress.enabled -}}
  {{- $ingressEnabled := include "common.ingress._overrideIfDefined" (dict "currVal" $ingressEnabled "parent" (default (dict) .Values.global.ingress) "var" "enabled") }}
  {{- $ingressEnabled := include "common.ingress._overrideIfDefined" (dict "currVal" $ingressEnabled "parent" .Values.ingress "var" "enabledOverride") }}
  {{- if $ingressEnabled }}
apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: {{ include "common.fullname" . }}-ingress
  annotations:
    {{ include "ingress.config.annotations" . }}
  labels:
    app: {{ .Chart.Name }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ include "common.release" . }}
    heritage: {{ .Release.Service }}
spec:
  rules:
  {{ include "ingress.config.port" . | trim }}
{{- if .Values.ingress.tls }}
  tls:
{{ toYaml .Values.ingress.tls | indent 4 }}
{{- end -}}
{{- if .Values.ingress.config -}}
{{- if .Values.ingress.config.tls -}}
{{-   $dot := default . .dot -}}
  tls:
    - hosts:
    {{- range .Values.ingress.service }}{{ $baseaddr := required "baseaddr" .baseaddr }}
        - {{ include "ingress.config.host" (dict "dot" $dot "baseaddr" $baseaddr) }}
    {{- end }}
    secretName: {{ required "secret" (tpl (default "" .Values.ingress.config.tls.secret) $dot) }}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}