[UI] add ingressClassName (#1787)

* feat: add ingressClassName

Signed-off-by: Matthias Teich <matthias.teich@gdata.de>

* Update example manifest

Signed-off-by: Matthias Teich <matthias.teich@gdata.de>

* Update ui/manifests/ingress.yaml

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

charts/postgres-operator-ui/templates/ingress.yaml

@@ -23,6 +23,9 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
+{{- if .Values.ingress.ingressClassName }}
+  ingressClassName: {{ .Values.ingress.ingressClassName }}
+{{- end }}
 {{- if .Values.ingress.tls }}
   tls:
   {{- range .Values.ingress.tls }}

charts/postgres-operator-ui/values.yaml

@@ -93,6 +93,7 @@ ingress:
     {}
     # kubernetes.io/ingress.class: nginx
     # kubernetes.io/tls-acme: "true"
+  ingressClassName: ""
   hosts:
     - host: ui.example.org
       paths: [""]

ui/manifests/ingress.yaml

@@ -6,6 +6,7 @@ metadata:
   labels:
     application: "postgres-operator-ui"
 spec:
+  # ingressClassName: "ingress-nginx"
   rules:
     - host: "ui.example.org"
       http: