SpringCloud四:监控数据聚合Turbine+RabbitMQ

之前的文章中说到,消费者把服务容错日志发布到RabbitMQ中,
SpringCloud之消费者架构Eureka+Ribbon+Feign+Hystrix+Sleuth+RabbitMQ
通过Turbine把多个consumer聚集起来,交到Hystrix-Dashboard的面板中分析,Hystrix-Dashboard文章如下
SpringCloud之监控面板Hystrix-Dashboard
本文阐述Turbine+RabbitMQ的设计

在pom.xml添加依赖,还是老话,
SpringBoot的版本为1.5.15
SpringCloud的版本为Edgware.SR4


		<dependency>
			<groupId>org.springframework.bootgroupId>
			<artifactId>spring-boot-starter-actuatorartifactId>
		dependency>
		<dependency>
			<groupId>org.springframework.cloudgroupId>
			<artifactId>spring-cloud-starter-eurekaartifactId>
		dependency>
		
	<dependency>
		<groupId>org.springframework.cloudgroupId>
		<artifactId>spring-cloud-starter-turbine-amqpartifactId>
	dependency>
	

在application.yml中配置如下,如果想把Turbine注册到eureka中,你会发现之前的方式不起作用,原因如下:
在spring-cloud-turbine-stream ,该依赖会启动一个Netty容器,并将server.port 设为-1 ,从而关闭Servlet容器。这其实是官方的一个小Bug,不过官方说等Spring Boot 2.0才会修复,
详见:https://github.com/spring-cloud/spring-cloud-netflix/issues/1774
解决方法:
在指定server.port 的基础上,指定management.port ,两个端口务必不同;
添加配置:eureka.instance.non-secure-port ,以便于服务注册到Eureka Server上,该端口需要跟server.port 所配置的端口一致

spring:
  application:
    name: turbine
  rabbitmq:
    host: 120.77.245.104
    port: 5672
    username: guest
    password: guest
server:
  port: 10001
eureka:
  instance:
    prefer-ip-address: true
    instance-id: turbine:10001
    non-secure-port: 10001
  client:
    service-url:
      defaultZone: http://localhost:7001/eureka/ 
management:
  port: 10011

在启动类中,由于使用Turbine+RabbitMQ,使用@EnableTurbineStream开启

@EnableTurbineStream
@EnableDiscoveryClient
@SpringBootApplication
public class TurbineApplication {

	// http://localhost:10001/turbine.stream

	// : ping
	// data:
	// {"reportingHostsLast10Seconds":0,"name":"meta","type":"meta","timestamp":1535162983275}

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

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