external-dns: bump to 0.19.0, helm chart 9.1.0

external-dns/charts/common/templates/_storage.tpl

@@ -1,23 +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 := .persistence.storageClass -}}
-{{- if .global -}}
-    {{- if .global.storageClass -}}
-        {{- $storageClass = .global.storageClass -}}
-    {{- end -}}
-{{- end -}}
-
+{{- $storageClass := (.global).storageClass | default .persistence.storageClass | default (.global).defaultStorageClass | default "" -}}
 {{- if $storageClass -}}
   {{- if (eq "-" $storageClass) -}}
       {{- printf "storageClassName: \"\"" -}}
-  {{- else }}
+  {{- else -}}
       {{- printf "storageClassName: %s" $storageClass -}}
   {{- end -}}
 {{- end -}}
-
 {{- end -}}