Separate tls ingress option from secure backend

Signed-off-by: Łukasz Sowa <lukasz@owlsome.dev>

chart/templates/ingress.yaml

@@ -11,7 +11,7 @@ metadata:
   labels: {{- include "longhorn.labels" . | nindent 4 }}
     app: longhorn-ingress
   annotations:
-    {{- if .Values.ingress.tls }}
+    {{- if .Values.ingress.secureBackends }}
     ingress.kubernetes.io/secure-backends: "true"
     {{- end }}
     {{- range $key, $value := .Values.ingress.annotations }}

chart/values.yaml

@@ -194,9 +194,11 @@ ingress:
   host: sslip.io
 
   ## Set this to true in order to enable TLS on the ingress record
-  ## A side effect of this will be that the backend service will be connected at port 443
   tls: false
 
+  ## Enable this in order to enable that the backend service will be connected at port 443
+  secureBackends: false
+
   ## If TLS is set to true, you must declare what secret will store the key/certificate for TLS
   tlsSecret: longhorn.local-tls