Add robustness in ingress domain

charts/onechart/templates/ingress.yaml

@@ -24,7 +24,7 @@ spec:
       secretName: {{ printf "tls-%s" $.Release.Name }}
   {{- end }}
   rules:
-    - host: {{ .host | quote }}
+    - host: {{ .host | trunc 63 | trimSuffix "-" | replace "/" "-" | replace "_" "-" | quote }}
       http:
         paths:
         - backend:

charts/onechart/tests/ingress_domain_test.yaml

@@ -17,6 +17,7 @@ tests:
   - it: Should set Ingress annotation
     set:
       ingress:
+        host: chart-example.local
         annotations:
           kubernetes.io/ingress.class: nginx
     asserts: