make registry required

Author: egabancho

charts/invenio/templates/_helpers.tpl

@@ -54,8 +54,8 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 Return the proper Invenio image name
 */}}
 {{- define "invenio.image" -}}
-{{- $registryName := .Values.image.registry -}}
-{{- $repositoryName := .Values.image.repository -}}
+{{- $registryName :=  required "Missing .Values.image.registry" .Values.image.registry -}}
+{{- $repositoryName :=  required "Missing .Values.image.repository" .Values.image.repository -}}
 {{- $separator := ":" -}}
 {{- $termination := .Values.image.tag | default .Chart.AppVersion | toString -}}
 
@@ -64,11 +64,7 @@ Return the proper Invenio image name
   {{- $termination = .Values.image.digest | toString -}}
 {{- end -}}
 
-{{- if $registryName }}
-  {{- printf "%s/%s%s%s" $registryName $repositoryName $separator $termination -}}
-{{- else -}}
-  {{- printf "%s%s%s"  $repositoryName $separator $termination -}}
-{{- end -}}
+{{- printf "%s/%s%s%s" $registryName $repositoryName $separator $termination -}}
 {{- end -}}
 
 ###########################     Invenio hostname     ###########################