From 8b7f2e9ff4dafdf2b301ba65b2eee1c447fdf590 Mon Sep 17 00:00:00 2001
From: rustyclock <rustyclock@protonmail.com>
Date: Wed, 13 Jan 2021 11:08:52 +0900
Subject: [PATCH] Fix APIEndpoint for IPv6

Signed-off-by: rustyclock <rustyclock@protonmail.com>
---
 api/v1alpha3/cluster_types.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/api/v1alpha3/cluster_types.go b/api/v1alpha3/cluster_types.go
index 79eb71063219..7afa9d85d085 100644
--- a/api/v1alpha3/cluster_types.go
+++ b/api/v1alpha3/cluster_types.go
@@ -18,6 +18,7 @@ package v1alpha3
 
 import (
 	"fmt"
+	"net"
 	"strings"
 
 	corev1 "k8s.io/api/core/v1"
@@ -190,7 +191,7 @@ func (v APIEndpoint) IsValid() bool {
 
 // String returns a formatted version HOST:PORT of this APIEndpoint.
 func (v APIEndpoint) String() string {
-	return fmt.Sprintf("%s:%d", v.Host, v.Port)
+	return net.JoinHostPort(v.Host, fmt.Sprintf("%d", v.Port))
 }
 
 // ANCHOR_END: APIEndpoint