Update ValidatingWebhook for Ingress to support --dry-run=server

Author: towolf

charts/ingress-nginx/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ingress-nginx
-version: 2.7.0
+version: 2.7.1
 appVersion: 0.33.0
 home: https://github.com/kubernetes/ingress-nginx
 description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer

charts/ingress-nginx/templates/admission-webhooks/validating-webhook.yaml

@@ -1,5 +1,5 @@
 {{- if .Values.controller.admissionWebhooks.enabled -}}
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
   labels:
@@ -20,6 +20,10 @@ webhooks:
         resources:
           - ingresses
     failurePolicy: Fail
+    sideEffects: None
+    admissionReviewVersions:
+      - v1
+      - v1beta1
     clientConfig:
       service:
         namespace: {{ .Release.Namespace }}