[common] Add common chart from KaH

charts/common/templates/_service.tpl

@@ -0,0 +1,43 @@
+{{/*
+Renders the Service objects required by the chart.
+*/}}
+{{- define "common.service" -}}
+  {{- /* Generate named services as required */ -}}
+  {{- range $name, $service := .Values.service }}
+    {{- if $service.enabled -}}
+      {{- $serviceValues := $service -}}
+
+      {{/* set the default nameOverride to the service name */}}
+      {{- if and (not $serviceValues.nameOverride) (ne $name (include "common.service.primary" $)) -}}
+        {{- $_ := set $serviceValues "nameOverride" $name -}}
+      {{ end -}}
+
+      {{- $_ := set $ "ObjectValues" (dict "service" $serviceValues) -}}
+      {{- include "common.classes.service" $ }}
+    {{- end }}
+  {{- end }}
+{{- end }}
+
+{{/*
+Return the primary service object
+*/}}
+{{- define "common.service.primary" -}}
+  {{- $enabledServices := dict -}}
+  {{- range $name, $service := .Values.service -}}
+    {{- if $service.enabled -}}
+      {{- $_ := set $enabledServices $name . -}}
+    {{- end -}}
+  {{- end -}}
+
+  {{- $result := "" -}}
+  {{- range $name, $service := $enabledServices -}}
+    {{- if and (hasKey $service "primary") $service.primary -}}
+      {{- $result = $name -}}
+    {{- end -}}
+  {{- end -}}
+
+  {{- if not $result -}}
+    {{- $result = keys $enabledServices | first -}}
+  {{- end -}}
+  {{- $result -}}
+{{- end -}}