chore: remove support for netv1beta1.Ingress

CHANGELOG.md

@@ -119,10 +119,14 @@ Adding a new version? You'll need three changes:
 
 ### Deprecated
 
-- Removed support for extensions/v1beta1 Ingress which was removed in kubernetes 1.22.
+- Removed support for `extensions/v1beta1` `Ingress` which was removed in kubernetes 1.22.
   At the same time deprecate `--enable-controller-ingress-extensionsv1beta1` CLI flag.
   [#3710](https://github.com/Kong/kubernetes-ingress-controller/pull/3710)
 
+- Removed support for `networking.k8s.io/v1beta1` `Ingress` which was removed in kubernetes 1.22.
+  At the same time deprecate `--enable-controller-ingress-networkingv1beta1` CLI flag.
+  [#3867](https://github.com/Kong/kubernetes-ingress-controller/pull/3867)
+
 ## [2.9.3]
 
 > Release date: 2023-04-17

hack/generators/controllers/networking/main.go

@@ -16,9 +16,8 @@ import (
 const (
 	outputFile = "../../internal/controllers/configuration/zz_generated_controllers.go"
 
-	corev1     = "k8s.io/api/core/v1"
-	netv1      = "k8s.io/api/networking/v1"
-	netv1beta1 = "k8s.io/api/networking/v1beta1"
+	corev1 = "k8s.io/api/core/v1"
+	netv1  = "k8s.io/api/networking/v1"
 
 	kongv1       = "github.com/kong/kubernetes-ingress-controller/v2/pkg/apis/configuration/v1"
 	kongv1beta1  = "github.com/kong/kubernetes-ingress-controller/v2/api/configuration/v1beta1"
@@ -89,22 +88,6 @@ var inputControllersNeeded = &typesNeeded{
 		AcceptsIngressClassNameSpec:       false,
 		RBACVerbs:                         []string{"get", "list", "watch"},
 	},
-	typeNeeded{
-		Group:                             "networking.k8s.io",
-		Version:                           "v1beta1",
-		Kind:                              "Ingress",
-		PackageImportAlias:                "netv1beta1",
-		PackageAlias:                      "NetV1Beta1",
-		Package:                           netv1beta1,
-		Plural:                            "ingresses",
-		CacheType:                         "IngressV1beta1",
-		NeedsStatusPermissions:            true,
-		CapableOfStatusUpdates:            true,
-		AcceptsIngressClassNameAnnotation: true,
-		AcceptsIngressClassNameSpec:       true,
-		NeedsUpdateReferences:             true,
-		RBACVerbs:                         []string{"get", "list", "watch"},
-	},
 	typeNeeded{
 		Group:                             "configuration.konghq.com",
 		Version:                           "v1",
@@ -378,7 +361,6 @@ import (
 	"github.com/go-logr/logr"
 	corev1 "k8s.io/api/core/v1"
 	netv1 "k8s.io/api/networking/v1"
-	netv1beta1 "k8s.io/api/networking/v1beta1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"

internal/controllers/configuration/object_references.go

@@ -5,7 +5,6 @@ import (
 
 	corev1 "k8s.io/api/core/v1"
 	netv1 "k8s.io/api/networking/v1"
-	netv1beta1 "k8s.io/api/networking/v1beta1"
 	"k8s.io/apimachinery/pkg/types"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
@@ -32,8 +31,6 @@ func updateReferredObjects(
 		referredSecretList = listCoreV1ServiceReferredSecrets(obj)
 	case *netv1.Ingress:
 		referredSecretList = listNetV1IngressReferredSecrets(obj)
-	case *netv1beta1.Ingress:
-		referredSecretList = listNetV1beta1IngressReferredSecrets(obj)
 	case *kongv1.KongPlugin:
 		referredSecretList = listKongPluginReferredSecrets(obj)
 	case *kongv1.KongClusterPlugin:
@@ -83,21 +80,6 @@ func listNetV1IngressReferredSecrets(ingress *netv1.Ingress) []types.NamespacedN
 	return referredSecretNames
 }
 
-func listNetV1beta1IngressReferredSecrets(ingress *netv1beta1.Ingress) []types.NamespacedName {
-	referredSecretNames := make([]types.NamespacedName, 0, len(ingress.Spec.TLS))
-	for _, tls := range ingress.Spec.TLS {
-		if tls.SecretName == "" {
-			continue
-		}
-		nsName := types.NamespacedName{
-			Namespace: ingress.Namespace,
-			Name:      tls.SecretName,
-		}
-		referredSecretNames = append(referredSecretNames, nsName)
-	}
-	return referredSecretNames
-}
-
 func listKongPluginReferredSecrets(plugin *kongv1.KongPlugin) []types.NamespacedName {
 	referredSecretNames := make([]types.NamespacedName, 0, 1)
 	if plugin.ConfigFrom != nil {

internal/controllers/utils/conversion.go

@@ -6,7 +6,6 @@ import (
 
 	corev1 "k8s.io/api/core/v1"
 	netv1 "k8s.io/api/networking/v1"
-	netv1beta1 "k8s.io/api/networking/v1beta1"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	kongv1beta1 "github.com/kong/kubernetes-ingress-controller/v2/pkg/apis/configuration/v1beta1"
@@ -36,27 +35,13 @@ func UpdateLoadBalancerIngress(
 		obj.Status.LoadBalancer.Ingress = netV1ToCoreV1LoadBalancerIngress(newAddresses)
 	case *kongv1beta1.UDPIngress:
 		obj.Status.LoadBalancer.Ingress = netV1ToCoreV1LoadBalancerIngress(newAddresses)
-	case *netv1beta1.Ingress:
-		obj.Status.LoadBalancer.Ingress = netV1ToV1beta1LoadBalancerIngress(newAddresses)
 	default:
 		return false, fmt.Errorf("unsupported ingress type: %T", obj)
 	}
 
 	return true, nil
 }
 
-func netV1ToV1beta1LoadBalancerIngress(in []netv1.IngressLoadBalancerIngress) []netv1beta1.IngressLoadBalancerIngress {
-	out := make([]netv1beta1.IngressLoadBalancerIngress, 0, len(in))
-	for _, i := range in {
-		out = append(out, netv1beta1.IngressLoadBalancerIngress{
-			IP:       i.IP,
-			Hostname: i.Hostname,
-			// consciously omitting ports as we do not populate them
-		})
-	}
-	return out
-}
-
 func netV1ToCoreV1LoadBalancerIngress(in []netv1.IngressLoadBalancerIngress) []corev1.LoadBalancerIngress {
 	out := make([]corev1.LoadBalancerIngress, 0, len(in))
 	for _, i := range in {
@@ -77,25 +62,11 @@ func ingressToNetV1LoadBalancerIngressStatus(in any) ([]netv1.IngressLoadBalance
 		return coreV1ToNetV1LoadBalancerIngress(obj.Status.LoadBalancer.Ingress), nil
 	case *kongv1beta1.UDPIngress:
 		return coreV1ToNetV1LoadBalancerIngress(obj.Status.LoadBalancer.Ingress), nil
-	case *netv1beta1.Ingress:
-		return v1beta1ToNetV1LoadBalancerIngress(obj.Status.LoadBalancer.Ingress), nil
 	default:
 		return nil, fmt.Errorf("unsupported ingress type: %T", obj)
 	}
 }
 
-func v1beta1ToNetV1LoadBalancerIngress(in []netv1beta1.IngressLoadBalancerIngress) []netv1.IngressLoadBalancerIngress {
-	out := make([]netv1.IngressLoadBalancerIngress, 0, len(in))
-	for _, i := range in {
-		out = append(out, netv1.IngressLoadBalancerIngress{
-			IP:       i.IP,
-			Hostname: i.Hostname,
-			// consciously omitting ports as we do not populate them
-		})
-	}
-	return out
-}
-
 func coreV1ToNetV1LoadBalancerIngress(in []corev1.LoadBalancerIngress) []netv1.IngressLoadBalancerIngress {
 	out := make([]netv1.IngressLoadBalancerIngress, 0, len(in))
 	for _, i := range in {

internal/controllers/utils/conversion_test.go

@@ -8,7 +8,6 @@ import (
 	"github.com/stretchr/testify/require"
 	corev1 "k8s.io/api/core/v1"
 	netv1 "k8s.io/api/networking/v1"
-	netv1beta1 "k8s.io/api/networking/v1beta1"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	kongv1beta1 "github.com/kong/kubernetes-ingress-controller/v2/pkg/apis/configuration/v1beta1"
@@ -34,10 +33,10 @@ func TestUpdateLoadBalancerIngress(t *testing.T) {
 					},
 				},
 			},
-			&netv1beta1.Ingress{
-				Status: netv1beta1.IngressStatus{
-					LoadBalancer: netv1beta1.IngressLoadBalancerStatus{
-						Ingress: []netv1beta1.IngressLoadBalancerIngress{
+			&netv1.Ingress{
+				Status: netv1.IngressStatus{
+					LoadBalancer: netv1.IngressLoadBalancerStatus{
+						Ingress: []netv1.IngressLoadBalancerIngress{
 							{
 								IP:       oldIP,
 								Hostname: oldHostname,