stop defaulting kubeconfig to http://localhost:8080

staging/src/k8s.io/client-go/tools/clientcmd/client_config.go

@@ -35,7 +35,7 @@ import (
 var (
 	// ClusterDefaults has the same behavior as the old EnvVar and DefaultCluster fields
 	// DEPRECATED will be replaced
-	ClusterDefaults = clientcmdapi.Cluster{Server: getDefaultServer()}
+	ClusterDefaults = clientcmdapi.Cluster{Server: os.Getenv("KUBERNETES_MASTER")}
 	// DefaultClientConfig represents the legacy behavior of this package for defaulting
 	// DEPRECATED will be replace
 	DefaultClientConfig = DirectClientConfig{*clientcmdapi.NewConfig(), "", &ConfigOverrides{
@@ -43,15 +43,6 @@ var (
 	}, nil, NewDefaultClientConfigLoadingRules(), promptedCredentials{}}
 )
 
-// getDefaultServer returns a default setting for DefaultClientConfig
-// DEPRECATED
-func getDefaultServer() string {
-	if server := os.Getenv("KUBERNETES_MASTER"); len(server) > 0 {
-		return server
-	}
-	return "http://localhost:8080"
-}
-
 // ClientConfig is used to make it easy to get an api server client
 type ClientConfig interface {
 	// RawConfig returns the merged result of all overrides

test/cmd/legacy-script.sh

@@ -325,6 +325,7 @@ runTests() {
     exit 1
   fi
   kube::log::status "Checking kubectl version"
+  export KUBERNETES_MASTER=http://127.0.0.1:${API_PORT}
   kubectl version
 
   # Generate a random namespace name, based on the current time (to make