Ingress nginx (#5066)

* remove svc-default-backend

* update ingress-nginx clusterrole

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

@@ -16,12 +16,12 @@ rules:
   - apiGroups: [""]
     resources: ["services"]
     verbs: ["get", "list", "watch"]
-  - apiGroups: ["extensions"]
+  - apiGroups: ["extensions","networking.k8s.io"]
     resources: ["ingresses"]
     verbs: ["get", "list", "watch"]
   - apiGroups: [""]
     resources: ["events"]
     verbs: ["create", "patch"]
-  - apiGroups: ["extensions"]
+  - apiGroups: ["extensions","networking.k8s.io"]
     resources: ["ingresses/status"]
     verbs: ["update"]

roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/svc-default-backend.yml.j2

@@ -1,16 +0,0 @@
----
-apiVersion: v1
-kind: Service
-metadata:
-  name: default-backend
-  namespace: {{ ingress_nginx_namespace }}
-  labels:
-    app.kubernetes.io/name: default-backend
-    app.kubernetes.io/part-of: ingress-nginx
-spec:
-  ports:
-    - port: 80
-      targetPort: 8080
-  selector:
-    app.kubernetes.io/name: default-backend
-    app.kubernetes.io/part-of: ingress-nginx