From 7d79e439d297cbd2b811e322f7ee641943c2e9cc Mon Sep 17 00:00:00 2001
From: Dimitri Koshkin <dimitri.koshkin@gmail.com>
Date: Thu, 22 Sep 2022 10:27:04 -0700
Subject: [PATCH] fix: use v1beta1 version in EKS user kubeconfig

---
 pkg/cloud/services/eks/config.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkg/cloud/services/eks/config.go b/pkg/cloud/services/eks/config.go
index 44b7f5759d..1d692f3f12 100644
--- a/pkg/cloud/services/eks/config.go
+++ b/pkg/cloud/services/eks/config.go
@@ -187,7 +187,11 @@ func (s *Service) createUserKubeconfigSecret(ctx context.Context, cluster *eks.C
 		return fmt.Errorf("creating base kubeconfig: %w", err)
 	}
 
-	execConfig := &api.ExecConfig{APIVersion: "client.authentication.k8s.io/v1alpha1"}
+	// Version v1alpha1 was removed in Kubernetes v1.23.
+	// Version v1 was released in Kubernetes v1.23.
+	// Version v1beta1 was selected as it has the widest range of support
+	// This should be changed to v1 once EKS no longer supports Kubernetes <v1.23
+	execConfig := &api.ExecConfig{APIVersion: "client.authentication.k8s.io/v1beta1"}
 	switch s.scope.TokenMethod() {
 	case ekscontrolplanev1.EKSTokenMethodIAMAuthenticator:
 		execConfig.Command = "aws-iam-authenticator"