From edf8b8b9d6108bfbd93f6a7b22bdbdde4ed7906a Mon Sep 17 00:00:00 2001
From: Alex Manning <mail@alex-m.co.uk>
Date: Fri, 3 Mar 2023 21:01:16 +0000
Subject: [PATCH] Add recurseFlattenMap heler.

---
 charts/zigbee2mqtt/templates/_helpers.tpl | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/charts/zigbee2mqtt/templates/_helpers.tpl b/charts/zigbee2mqtt/templates/_helpers.tpl
index c44c370..7b5ebe1 100644
--- a/charts/zigbee2mqtt/templates/_helpers.tpl
+++ b/charts/zigbee2mqtt/templates/_helpers.tpl
@@ -60,3 +60,16 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{- define "recurseFlattenMap" -}}
+{{- $map := first . -}}
+{{- $label := last . -}}
+{{- range $key, $val := $map -}}
+  {{- $sublabel := list $label $key | join "_" | upper -}}
+  {{- if kindOf $val | eq "map" -}}
+    {{- list $val $sublabel | include "recurseFlattenMap" -}}
+  {{- else -}}
+{{ $sublabel }}: {{ $val | quote }}
+{{ end -}}
+{{- end -}}
+{{- end -}}