}

	return nil
}

func getX509FromFile(t framework.TestContext, caCertFile string) *x509.Certificate {
	certBytes, err := cert.ReadSampleCertFromFile(caCertFile)
	if err != nil {
		t.Errorf("failed to read %s file: %v", caCertFile, err)
	}
	return parseCert(t, certBytes)
}

func parseCert(t framework.TestContext, certBytes []byte) *x509.Certificate {

	// Directory of injection related config files.
	InjectionDirectory string
}

// TLSOptions is optional TLS parameters for Istiod server.
type TLSOptions struct {
	// CaCertFile and related are set using CLI flags.
	CaCertFile      string
	CertFile        string
	KeyFile         string
	TLSCipherSuites []string
	CipherSuits     []uint16 // This is the parsed cipher suites
}

var (

		"Enable profiling via web interface host:port/debug/pprof")

	// Use TLS certificates if provided.
	c.PersistentFlags().StringVar(&serverArgs.ServerOptions.TLSOptions.CaCertFile, "caCertFile", "",
		"File containing the x509 Server CA Certificate")
	c.PersistentFlags().StringVar(&serverArgs.ServerOptions.TLSOptions.CertFile, "tlsCertFile", "",
		"File containing the x509 Server Certificate")