6.3. 配置故障转移

var hosts = [{hostname: "alpha.example.com", port: 5672}, {hostname:"beta.example.com", port: 5672}];
var index = -1;

function failover_fn() {
    index += 1;

    if (index == hosts.length) index = 0;

    return {host: hosts[index].hostname, port: hosts[index].port};
};

var opts = {
    host: "example.com",
    connection_details: failover_fn
}

container.connect(opts);