add helm charts

backing-services/mssql/charts/common/templates/_storage.tpl

@@ -0,0 +1,21 @@
+{{/*
+Copyright Broadcom, Inc. All Rights Reserved.
+SPDX-License-Identifier: APACHE-2.0
+*/}}
+
+{{/* vim: set filetype=mustache: */}}
+
+{{/*
+Return  the proper Storage Class
+{{ include "common.storage.class" ( dict "persistence" .Values.path.to.the.persistence "global" $) }}
+*/}}
+{{- define "common.storage.class" -}}
+{{- $storageClass := (.global).storageClass | default .persistence.storageClass | default (.global).defaultStorageClass | default "" -}}
+{{- if $storageClass -}}
+  {{- if (eq "-" $storageClass) -}}
+      {{- printf "storageClassName: \"\"" -}}
+  {{- else -}}
+      {{- printf "storageClassName: %s" $storageClass -}}
+  {{- end -}}
+{{- end -}}
+{{- end -}}