Go default TLS client config

tlsconfig.go

func defaultTLSClientConfig(caFilePath string, log logger.Logger) {
	caCert, err := ioutil.ReadFile(caFilePath)
	if err != nil {
		log.Fatalf("Error reading CA cert file '%s'. %s", caFilePath, err.Error())
	}
	caCertPool := x509.NewCertPool()
	if ok := caCertPool.AppendCertsFromPEM(caCert); !ok {
		log.Fatalf("Error reading CA cert file '%s'. Invalid content.", caFilePath)
	}

	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{
		RootCAs: caCertPool,
	}
}