kubeConfigPath := cfg.Discovery.File.KubeConfigPath
		if isHTTPSURL(kubeConfigPath) {
			return https.RetrieveValidatedConfigInfo(kubeConfigPath, timeout)
		}
		return file.RetrieveValidatedConfigInfo(kubeConfigPath, timeout)
	case cfg.Discovery.BootstrapToken != nil:
		return token.RetrieveValidatedConfigInfo(&cfg.Discovery, timeout)
	default:
		return nil, errors.New("couldn't find a valid discovery configuration")
	}
}

	"k8s.io/kubernetes/cmd/kubeadm/app/discovery/file"
)

// RetrieveValidatedConfigInfo connects to the API Server and makes sure it can talk
// securely to the API Server using the provided CA cert and
// optionally refreshes the cluster-info information from the cluster-info ConfigMap
func RetrieveValidatedConfigInfo(httpsURL string, discoveryTimeout time.Duration) (*clientcmdapi.Config, error) {

	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
)

// RetrieveValidatedConfigInfo connects to the API Server and makes sure it can talk
// securely to the API Server using the provided CA cert and
// optionally refreshes the cluster-info information from the cluster-info ConfigMap
func RetrieveValidatedConfigInfo(filepath string, discoveryTimeout time.Duration) (*clientcmdapi.Config, error) {