Cluster cluster = Cluster.builder().addContactPoint("10.17.0.1t").withPort(9042).build();
        final Metadata metadata = cluster.getMetadata();
        System.out.printf("Connected to cluster: %s\n", metadata.getClusterName());
        for (final Host host : metadata.getAllHosts())
        {
            System.out.printf("Datacenter: %s; Host: %s; Rack: %s\n",
                    host.getDatacenter(), host.getAddress(), host.getRack());
        }