From 9fbe3394800400018375e49884141215881a8b50 Mon Sep 17 00:00:00 2001
From: AkiraFukushima <h3.poteto@gmail.com>
Date: Thu, 26 Nov 2020 01:46:53 +0900
Subject: [PATCH] fix: Don't use kubeconfig when .kube/config file does not
 exist

---
 cmd/controller/controller.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmd/controller/controller.go b/cmd/controller/controller.go
index f97f8ca..1a36853 100644
--- a/cmd/controller/controller.go
+++ b/cmd/controller/controller.go
@@ -30,6 +30,9 @@ func controllerConfig() (string, string) {
 		kubeconfig = os.Getenv("KUBECONFIG")
 		if kubeconfig == "" {
 			kubeconfig = "$HOME/.kube/config"
+			if _, err := os.Stat(kubeconfig); err != nil {
+				kubeconfig = ""
+			}
 		}
 	}
 	master := viper.GetString("master")