c.clusters = &cd
	return nil
}

func retrieveEndpointAddress(host *admin.HostStatus) string {
	addr := host.Address.GetSocketAddress()
	if addr != nil {
		return addr.Address
	}
	if pipe := host.Address.GetPipe(); pipe != nil {
		return "unix://" + pipe.Path
	}
	if internal := host.Address.GetEnvoyInternalAddress(); internal != nil {
		switch an := internal.GetAddressNameSpecifier().(type) {

	return "UNKNOWN"
}

func retrieveListenerAddress(l *listener.Listener) string {
	sockAddr := l.Address.GetSocketAddress()
	if sockAddr != nil {
		return sockAddr.Address
	}

	pipe := l.Address.GetPipe()
	if pipe != nil {
		return pipe.Path
	}

	return ""
}

func retrieveListenerAdditionalAddresses(l *listener.Listener) []string {
	var addrs []string

	addr := ep.GetEndpoint().GetAddress()
	if addr := addr.GetSocketAddress(); addr != nil {
		return addr.Address + ":" + strconv.Itoa(int(addr.GetPortValue()))
	}
	if addr := addr.GetPipe(); addr != nil {
		return addr.GetPath()
	}
	if internal := addr.GetEnvoyInternalAddress(); internal != nil {
		switch an := internal.GetAddressNameSpecifier().(type) {
		case *core.EnvoyInternalAddress_ServerListenerName: