var err error
	verifyOptions := defaultVerifyOptions()
	verifyOptions.Roots, err = cert.NewPoolFromBytes(caBundle)
	if err != nil {
		return nil, fmt.Errorf("error loading CA bundle for %q: %v", name, err)
	}

	return &caBundleAndVerifier{
		caBundle:      caBundle,
		verifyOptions: verifyOptions,
	}, nil
}

func NewStaticVerifierFromFile(clientCA string) (VerifyOptionFunc, error) {
	if len(clientCA) == 0 {
		return nil, nil
	}

	// Wrap with an x509 verifier
	var err error
	opts := DefaultVerifyOptions()
	opts.Roots, err = cert.NewPool(clientCA)
	if err != nil {
		return nil, fmt.Errorf("error loading certs from  %s: %v", clientCA, err)
	}

	return StaticVerifierFn(opts), nil
}