Automaticalla restart adminer pods on network policy change

Author: YuryHrytsuk

charts/adminer/templates/deployment.yaml

@@ -13,9 +13,10 @@ spec:
       {{- include "adminer.selectorLabels" . | nindent 6 }}
   template:
     metadata:
-      {{- with .Values.podAnnotations }}
+      {{- if .Values.podAnnotations }}
       annotations:
-        {{- toYaml . | nindent 8 }}
+        # allow dynamic values in pod annotations
+        {{- tpl (toYaml .Values.podAnnotations) . | nindent 8 }}
       {{- end }}
       labels:
         {{- include "adminer.labels" . | nindent 8 }}

charts/adminer/values.yaml.gotmpl

@@ -25,7 +25,9 @@ serviceAccount:
   # If not set and create is true, a name is generated using the fullname template
   name: ""
 
-podAnnotations: {}
+podAnnotations:
+  # automatically restart pod on network policy change (to be sure new rules are applied)
+  checksum/networkpolicy: '{{`{{ include (print $.Template.BasePath "/networkpolicy.yaml") . | sha256sum }}`}}'
 podLabels: {}
 
 podSecurityContext: