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简介

上篇的hystrix dashboard只能断路监控一个微服务，本篇的turbine可以监控多个微服务，通过yml中配置app-config即可监控该微服务的各个端口；

前置内容： SpringCloud极简入门＞断路器监控#hystrix dashboard

实战

1、创建《turbine-dashboard》模块

1.1、pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>cc.catface</groupId>
        <artifactId>simple-eureka</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>turbine-dashboard</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>turbine-dashboard</name>

    <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>
        <!--turbine依赖-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-turbine</artifactId>
        </dependency>
    </dependencies>
</project>

1.2、yml

server:
  port: 8061

spring:
  application:
    name: turbine-dashboard

eureka:
  client:
    service-url:
      defaultZone: http://localhost:7000/eureka/

#支持turbine
turbine:
  aggregator:
    cluster-config: default
  #监控的微服务
  app-config: server-order
  cluster-name-expression: new String("default")

1.3、application

《turbine-dashboard》的application声明注解@EnableTurbine；

2、查看效果

1、以7002和7003端口启动《server-order》； 2、分别请求http://localhost:7002/testFeign和http://localhost:7003/testFeign； 3、打开http://localhost:8060/hystrix，输入http://localhost:8061/turbine.stream，点击Monitor Stream； 4、分别多次重复请求步骤2、，观察控制台，发现《server-account》服务正常； 5、关闭《server-account》后，重复步骤2、观察控制台，发现《server-account》服务不可达；