Add labels for ingress_nginx_namespace, also only setup serviceAccountName if rbac_enabled

roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/ingress-nginx-controller-ds.yml.j2

@@ -21,7 +21,6 @@ spec:
         k8s-app: ingress-nginx
         version: v{{ ingress_nginx_controller_image_tag }}
     spec:
-      serviceAccountName: ingress-nginx
       containers:
         - name: ingress-nginx-controller
           image: {{ ingress_nginx_controller_image_repo }}:{{ ingress_nginx_controller_image_tag }}
@@ -68,3 +67,6 @@ spec:
             periodSeconds: 10
             successThreshold: 1
             timeoutSeconds: 1
+{% if rbac_enabled %}
+      serviceAccountName: ingress-nginx
+{% endif %}

roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/ingress-nginx-ns.yml.j2

@@ -3,3 +3,5 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: {{ ingress_nginx_namespace }}
+  labels:
+    name: {{ ingress_nginx_namespace }}