rabbitmq-datadog-jmx-datacenters.java

for (String dc : new String[] {"us", "europe", "asia"}) {
    Tags tags = Tags.of("host", hostname, "dc", dc);
    MeterRegistry jmxRegistry = new JmxMeterRegistry(JmxConfig.DEFAULT, Clock.SYSTEM);
    new ClassLoaderMetrics(tags).bindTo(jmxRegistry);
    new JvmMemoryMetrics(tags).bindTo(jmxRegistry);
    new JvmGcMetrics(tags).bindTo(jmxRegistry);
    new ProcessorMetrics(tags).bindTo(jmxRegistry);
    new JvmThreadMetrics(tags).bindTo(jmxRegistry);
    ConnectionFactory connectionFactory = new ConnectionFactory();
    MicrometerMetricsCollector metricsCollector = new MicrometerMetricsCollector(
        jmxRegistry, "rabbitmq.client", tags
    );
    connectionFactory.setMetricsCollector(metricsCollector);

    Connection connection = connectionFactory.newConnection();
    Channel channel = connection.createChannel();
    String queue = channel.queueDeclare().getQueue();
    channel.basicConsume(queue, true, (ctag, msg) -> { }, (ctag) -> { });
    executor.submit(() -> {
        Random random = new Random();
        int offset = dc.length() * 10;
        while (true) {
            Thread.sleep(random.nextInt(100) + offset);
            channel.basicPublish("", queue, null, "".getBytes());
        }
    }); 
}