docker kafka springboot

docker pull wurstmeister/kafka

docker pull wurstmeister/zookeeper

docker run -d --name zookeeper -p 2181:2181 -t wurstmeister/zookeeper

docker run -d --name kafka --publish 9092:9092 --link zookeeper

--env KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181

--env KAFKA_ADVERTISED_HOST_NAME=localhost

--env KAFKA_ADVERTISED_PORT=9092

wurstmeister/kafka

docker exec -it kafka /bin/bash

创建主题

/opt/kafka/bin/kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor 1 --partitions 1 --topic mytp

运行生产者

cd /opt/kafka/bin

kafka-console-producer.sh --broker-list localhost:9092 --topic mytp

 

Springboot

	@Autowired
	private KafkaTemplate<String, Object> kafkaTemplate;

	@GetMapping("/t1/{message}")
	public void sendMessage1(@PathVariable("message") String message) {
		kafkaTemplate.send("topic1", message);
	}

	@GetMapping("/t2/{message}")
	public void sendMessage4(@PathVariable("message") String message) {
		kafkaTemplate.send("topic2", message);
	}

	@KafkaListener(topics = { "topic1" })
	public void onMessage1(ConsumerRecord<?, ?> record) {
		System.out.println("message: " + record.topic() + "-" + record.partition() + "-" + record.value());
	}

	@KafkaListener(topics = { "topic2" })
	@SendTo("topic1")
	public String onMessage2(ConsumerRecord<?, ?> record) {
		return "forward message to topic1: " + record.value();
	}