让 Zipkin 能通过 RabbitMQ 接收消息 Zipkin+Sleuth 链路追踪整合

增加基于 MQ 向 Zipkin 埋点功能

1.rabbitmq

docker run --name rabbitmq -d -p 5672:5672 -p 15672:15672  -e RABBITMQ_DEFAULT_USER=spring -e RABBITMQ_DEFAULT_PASS=spring rabbitmq:management

2.启动 Zipkin绑定 rabbitmq

docker run --name rabbit-zipkin -d -p 9411:9411 --link rabbitmq -e RABBIT_ADDRESSES=rabbitmq:5672 -e RABBIT_USER=spring -e RABBIT_PASSWORD=spring openzipkin/zipkin

3.添加依赖

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-stream-binder-rabbit</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-zipkin</artifactId>
</dependency>

4.示例

（1）provider

配置

server.port=8010
management.endpoints.web.exposure.include=*
management.endpoint.health.show-details=always
spring.application.name=service-provider
spring.cloud.consul.host=192.168.99.100
spring.cloud.consul.port=8500
spring.cloud.consul.discovery.health-check-path=/actuator/health
spring.cloud.consul.discovery.service-name=${spring.application.name}
spring.cloud.consul.discovery.heartbeat.enabled=true
spring.cloud.consul.discovery.prefer-ip-address=true

spring.rabbitmq.host=192.168.99.100
spring.rabbitmq.port=5672
spring.rabbitmq.username=spring
spring.rabbitmq.password=spring

spring.cloud.stream.bindings.finishedOrders.group=service-provider

spring.sleuth.sampler.probability=1.0
spring.zipkin.sender.type=rabbit

启动类

package com.xyz.provider;

import com.xyz.provider.integration.Barista;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.stream.annotation.EnableBinding;

@EnableDiscoveryClient
@SpringBootApplication
@EnableBinding(Barista.class)
public class ProviderApplication {

    public static void main(String[] args) {
        SpringApplication.run(ProviderApplication.class, args);
    }

}

View Code

Barista.java

package com.xyz.provider.integration;
import org.springframework.cloud.stream.annotation.Input;
import org.springframework.cloud.stream.annotation.Output;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.SubscribableChannel;

public interface Barista {
    String NEW_ORDERS = "newOrders";
    String FINISHED_ORDERS = "finishedOrders";

    @Input
    SubscribableChannel finishedOrders();

    @Output
    MessageChannel newOrders();
}

View Code

OrderListener.java

package com.xyz.provider.integration;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.stereotype.Component;

@Component
@Slf4j
public class OrderListener {
    @StreamListener(Barista.FINISHED_ORDERS)
    public void listenFinishedOrders(Integer num) {
        log.info("We've finished an order [{}].", num);
    }
}

View Code

OrderService.java

package com.xyz.provider.service;

import com.xyz.provider.integration.Barista;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
@Transactional
@Slf4j
public class OrderService{

    @Autowired
    private Barista barista;
    public boolean updateNum(Integer num) {
        num++;
        System.out.println(num);
        barista.newOrders().send(MessageBuilder.withPayload(num).build());
        return true;
    }
}

View Code

控制器

package com.xyz.provider.controller;

import com.xyz.provider.service.OrderService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@Slf4j
public class demoController {

    @Autowired
    private OrderService orderService;

    @RequestMapping("/rabbitmq")
    public String rabbitmq(Integer num) {
        log.info("msq num: ", num);
        orderService.updateNum(num);
        return "ok";
    }
}

（2）customer

配置

server.port=8015
spring.application.name=service-comsumer
management.endpoints.web.exposure.include=*
management.endpoint.health.show-details=always

spring.cloud.consul.host=192.168.99.100
spring.cloud.consul.port=8500
spring.cloud.consul.discovery.health-check-path=/actuator/health
spring.cloud.consul.discovery.service-name=${spring.application.name}
spring.cloud.consul.discovery.heartbeat.enabled=true

spring.rabbitmq.host=192.168.99.100
spring.rabbitmq.port=5672
spring.rabbitmq.username=spring
spring.rabbitmq.password=spring

spring.cloud.stream.bindings.newOrders.group=service-comsumer
spring.sleuth.sampler.probability=1.0
spring.zipkin.sender.type=rabbit

启动类

package com.xyz.comsumer;

import com.xyz.comsumer.integration.Waiter;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

@EnableFeignClients
@SpringBootApplication
@EnableBinding(Waiter.class)
public class ComsumerApplication {

    public static void main(String[] args) {
        SpringApplication.run(ComsumerApplication.class, args);
    }

    @Bean
    @LoadBalanced
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

}

View Code

Waiter.java

package com.xyz.comsumer.integration;

import org.springframework.cloud.stream.annotation.Input;
import org.springframework.cloud.stream.annotation.Output;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.SubscribableChannel;

public interface Waiter {
    String NEW_ORDERS = "newOrders";
    String FINISHED_ORDERS = "finishedOrders";

    @Input(NEW_ORDERS)
    SubscribableChannel newOrders();

    @Output(FINISHED_ORDERS)
    MessageChannel finishedOrders();
}

View Code

OrderListener.java

package com.xyz.comsumer.integration;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

@Component
@Slf4j
@Transactional
public class OrderListener {
    @Autowired
    @Qualifier(Waiter.FINISHED_ORDERS)
    private MessageChannel finishedOrdersMessageChannel;
    @StreamListener(Waiter.NEW_ORDERS)
    public void processNewOrder(Integer num) {
        num++;
        log.info("Receive a new order",
                num);
        System.out.println(num);
        finishedOrdersMessageChannel.send(MessageBuilder.withPayload(num).build());
    }
}

View Code

启动consul

启动provider

启动customer

GET

　　http://localhost:8010/rabbitmq

浏览器打开

　　http://192.168.99.100:9411

进入详情页

RabbitMQ 的管理界面，可以看到 zipkin 这个 Queue 有消息处理

让 Zipkin 能通过 RabbitMQ 接收消息 Zipkin+Sleuth 链路追踪整合

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