Update to allow setting only existingSecret or certs.create

helm/mail/templates/configmap.yaml

@@ -16,7 +16,7 @@ data:
   {{- range $key, $value := .Values.config.opendkim }}
   OPENDKIM_{{ $key }}: {{ $value | quote }}
   {{- end }}
-  {{- if .Values.certs.create }}
+  {{- if or .Values.certs.create .Values.certs.existingSecret }}
   _enable_tls.sh: |
     #!/usr/bin/env bash
     set -e

helm/mail/templates/statefulset.yaml

@@ -188,7 +188,7 @@ spec:
       volumes:
         - name: tmp
           emptyDir: {}
-        {{- if .Values.certs.create }}
+        {{- if or .Values.certs.create .Values.certs.existingSecret }}
         - name: certs-init
           configMap:
             name: {{ $fullName }}

helm/test_16_certs_existing_secret.yml

@@ -1,3 +1,3 @@
 certs:
-  create: true
+  create: false
   existingSecret: "controller-generated-secret"