From 736f709ec473a3f4dc166d12a50c8feff6041cea Mon Sep 17 00:00:00 2001
From: Shijun Wang <shijun@shijun.dev>
Date: Mon, 10 Jun 2024 16:22:54 +0300
Subject: [PATCH] Use helper for secret checksum calculation

---
 charts/pgcat/templates/_helpers.tpl    | 10 ++++++++++
 charts/pgcat/templates/deployment.yaml |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/charts/pgcat/templates/_helpers.tpl b/charts/pgcat/templates/_helpers.tpl
index 07c2d25f..c7055952 100644
--- a/charts/pgcat/templates/_helpers.tpl
+++ b/charts/pgcat/templates/_helpers.tpl
@@ -60,3 +60,13 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Generate a checksum of the specified template file.
+*/}}
+{{- define "pgcat.checksum" -}}
+{{- $files := .Files -}}
+{{- $secretPath := (print $.Template.BasePath "/secret.yaml") -}}
+{{- $secret := $files.Get $secretPath -}}
+{{- sha256sum $secret -}}
+{{- end }}
\ No newline at end of file
diff --git a/charts/pgcat/templates/deployment.yaml b/charts/pgcat/templates/deployment.yaml
index 84c57f1b..3dbd9254 100644
--- a/charts/pgcat/templates/deployment.yaml
+++ b/charts/pgcat/templates/deployment.yaml
@@ -12,7 +12,7 @@ spec:
   template:
     metadata:
       annotations:
-        checksum/secret: {{ include (print $.Template.BasePath "/secret.yaml") . | sha256sum }}
+        checksum/secret: {{ include "pgcat.checksum" . }}
       {{- with .Values.podAnnotations }}
         {{- toYaml . | nindent 8 }}
       {{- end }}