From 7fd367c26dcdbc229175a7bb9dea6cdce6ef1d15 Mon Sep 17 00:00:00 2001
From: Stavros kois <s.kois@outlook.com>
Date: Thu, 1 Dec 2022 19:49:58 +0200
Subject: [PATCH] add storageclassname function

---
 .../templates/lib/util/_storageClassName.tpl  | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 library/common/1.0.0/templates/lib/util/_storageClassName.tpl

diff --git a/library/common/1.0.0/templates/lib/util/_storageClassName.tpl b/library/common/1.0.0/templates/lib/util/_storageClassName.tpl
new file mode 100644
index 0000000000..5f1bd7fca1
--- /dev/null
+++ b/library/common/1.0.0/templates/lib/util/_storageClassName.tpl
@@ -0,0 +1,29 @@
+{{/* Returns the storageClassname */}}
+{{- define "ix.v1.common.storage.storageClassName" -}}
+  {{- $persistence := .persistence -}}
+  {{- $root := .root -}}
+
+  {{/*
+  If a storage class is defined on a persistence object:
+    "-" returns "", which means requesting a PV without class
+    SCALE-ZFS returns the value set on .Values.global.ixChartContext.storageClassName
+    else return the defined storageClass
+  Else if there is a storageClass defined in .Values.global.ixChartContext.storageClassName, return this
+  In any other case, return nothing
+  */}}
+
+  {{- if $persistence.storageClass -}}
+    {{- if eq "-" $persistence.storageClass -}}
+      {{- print "\"\"" -}}
+    {{- else if eq "SCALE-ZFS" $persistence.storageClass -}}
+      {{- if not $root.Values.global.ixChartContext.storageClassName -}}
+        {{- fail "A storageClassName must be defined in global.ixChartContext.storageClassName" -}}
+      {{- end -}}
+      {{- print $root.Values.global.ixChartContext.storageClassName -}}
+    {{- else -}}
+      {{- print $persistence.storageClass -}}
+    {{- end -}}
+  {{- else if $root.Values.global.ixChartContext.storageClassName -}}
+    {{- print $root.Values.global.ixChartContext.storageClassName -}}
+  {{- end -}}
+{{- end -}}