上一篇文章讲述了如何利用Hystrix Dashboard去监控断路器的Hystrix command。当咱们有不少个服务的时候,这就须要聚合因此服务的Hystrix Dashboard的数据了。这就须要用到Spring Cloud的另外一个组件了,即Hystrix Turbine。web
1、Hystrix Turbine简介
看单个的Hystrix Dashboard的数据并无什么多大的价值,要想看这个系统的Hystrix Dashboard数据就须要用到Hystrix Turbine。了解springcloud架构能够加求求:三五三六二四七二五九,Hystrix Turbine将每一个服务Hystrix Dashboard数据进行了整合。Hystrix Turbine的使用很是简单,只须要引入相应的依赖和加上注解和配置就能够了。spring
2、准备工做
本文使用的工程为上一篇文章的工程,在此基础上进行改造。由于咱们须要多个服务的Dashboard,因此须要再建一个服务,取名为service-lucy,它的基本配置同service-hi,具体见源码,在这里就不详细说明。浏览器
3、建立service-turbine
引入相应的依赖:架构
<dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-hystrix</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-turbine</artifactId> </dependency> </dependencies>
在其入口类ServiceTurbineApplication加上注解@EnableTurbine,开启turbine,@EnableTurbine注解包含了@EnableDiscoveryClient注解,即开启了注册服务。app
@SpringBootApplication @EnableEurekaClient @EnableDiscoveryClient @RestController @EnableHystrix @EnableHystrixDashboard @EnableCircuitBreaker @EnableTurbine public class ServiceTurbineApplication { /** * http://localhost:8764/turbine.stream */ public static void main(String[] args) { SpringApplication.run( ServiceTurbineApplication.class, args ); } }
配置文件application.yml:cors
server: port: 8764 spring: application: name: service-turbine eureka: client: serviceUrl: defaultZone: http://localhost:8761/eureka/ management: endpoints: web: exposure: include: "*" cors: allowed-origins: "*" allowed-methods: "*" turbine: app-config: service-hi,service-lucy aggregator: clusterConfig: default clusterNameExpression: new String("default") combine-host: true instanceUrlSuffix: default: actuator/hystrix.stream
配置文件注解写的很清楚。分布式
4、Turbine演示
依次开启eureka-server、service-hi、service-lucy、service-turbine工程。ide
打开浏览器输入:http://localhost:8764/turbine.stream,界面以下:
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依次请求:微服务
http://localhost:8762/hi?name=forezp
http://localhost:8763/hi?name=forezp
打开:http://localhost:8763/hystrix,输入监控流http://localhost:8764/turbine.stream
点击monitor stream 进入页面: