Drop v1beta1 from ingress nginx (#7156)

* Drop v1beta1 from ingress nginx

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Fix intorstr logic in controller

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* fixing admission

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* more intorstr fixing

* correct template rendering

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Fix e2e tests for v1 api

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Fix gofmt errors

* This is finally working...almost there...

Signed-off-by: Ricardo Pchevuzinske Katz <ricardo.katz@gmail.com>

* Re-add removed validation of AdmissionReview

charts/ingress-nginx/templates/NOTES.txt

@@ -29,7 +29,7 @@ Get the application URL by running these commands:
 
 An example Ingress that makes use of the controller:
 
-  apiVersion: networking.k8s.io/v1beta1
+  apiVersion: networking.k8s.io/v1
   kind: Ingress
   metadata:
     annotations:

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

@@ -18,7 +18,7 @@ webhooks:
       - apiGroups:
           - networking.k8s.io
         apiVersions:
-          - v1beta1
+          - v1
         operations:
           - CREATE
           - UPDATE
@@ -28,12 +28,11 @@ webhooks:
     sideEffects: None
     admissionReviewVersions:
       - v1
-      - v1beta1
     clientConfig:
       service:
         namespace: {{ .Release.Namespace | quote }}
         name: {{ include "ingress-nginx.controller.fullname" . }}-admission
-        path: /networking/v1beta1/ingresses
+        path: /networking/v1/ingresses
     {{- if .Values.controller.admissionWebhooks.timeoutSeconds }}
     timeoutSeconds: {{ .Values.controller.admissionWebhooks.timeoutSeconds }}
     {{- end }}