}
	certChainExpiryTimestamp.Record(certChainExpiry)

	certChainPem, err := util.ParsePemEncodedCertificate(keyCertBundle.GetCertChainPem())
	if err != nil {
		serverCaLog.Errorf("failed to parse the cert chain: %v", err)
	}
	certChainExpirySeconds.ValueFrom(func() float64 { return time.Until(certChainPem.NotAfter).Seconds() })
}

// Register registers a GRPC server on the specified port.