Github user neykov commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/742#discussion_r34775865
--- Diff:
software/messaging/src/test/java/brooklyn/entity/messaging/kafka/KafkaSupport.java
---
@@ -54,16 +52,33 @@ public KafkaSupport(KafkaCluster cluster) {
* Send a message to the {@link KafkaCluster} on the given topic.
*/
public void sendMessage(String topic, String message) {
- ZooKeeperNode zookeeper = cluster.getZooKeeper();
- Properties props = new Properties();
- props.put("zk.connect", String.format("%s:%d",
zookeeper.getAttribute(Attributes.HOSTNAME), zookeeper.getZookeeperPort()));
- props.put("serializer.class", "kafka.serializer.StringEncoder");
- ProducerConfig config = new ProducerConfig(props);
-
- Producer<String, String> producer = new Producer<String,
String>(config);
- ProducerData<String, String> data = new ProducerData<String,
String>(topic, message);
- producer.send(data);
- producer.close();
+ Optional<Entity> anyBrokerNodeInCluster =
Iterables.tryFind(cluster.getCluster().getChildren(), Predicates.and(
+ Predicates.instanceOf(KafkaBroker.class),
+ EntityPredicates.attributeEqualTo(KafkaBroker.SERVICE_UP,
true)));
+ if (anyBrokerNodeInCluster.isPresent()) {
+ KafkaBroker broker = (KafkaBroker)anyBrokerNodeInCluster.get();
+
+ Properties props = new Properties();
+
+ props.put("metadata.broker.list", format("%s:%d",
broker.getAttribute(KafkaBroker.HOSTNAME), broker.getKafkaPort()));
+ props.put("bootstrap.servers", format("%s:%d",
broker.getAttribute(KafkaBroker.HOSTNAME), broker.getKafkaPort()));
+ props.put("key.serializer",
"org.apache.kafka.common.serialization.StringSerializer");
+ props.put("value.serializer",
"org.apache.kafka.common.serialization.StringSerializer");
+
+ Producer<String, String> producer = new KafkaProducer<>(props);
+ try {
+
((KafkaZooKeeper)cluster.getZooKeeper()).createTopic(topic);
+ Thread.sleep(Duration.seconds(1).toMilliseconds());
+
+ ProducerRecord<String, String> data = new
ProducerRecord<>(topic, message);
+ producer.send(data);
+ producer.close();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
--- End diff --
If the sleep really needs to stay can use `Time.sleep(Duration.ONE_SECOND)`
which doesn't declare `InterruptedException` so you can remove the try-catch.
At the very least replace the `printStackTrace` with a call to a logger or
`Excpetions.propagate`.
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