springCloud分佈式微服務雲架構 第十二篇: 斷路器聚合監控(Hystrix Turbine

上一篇文章講述瞭如何利用Hystrix Dashboard去監控斷路器的Hystrix command。當咱們有不少個服務的時候,這就須要聚合因此服務的Hystrix Dashboard的數據了。這就須要用到Spring Cloud的另外一個組件了,即Hystrix Turbine。web

1、Hystrix Turbine簡介
看單個的Hystrix Dashboard的數據並無什麼多大的價值,要想看這個系統的Hystrix Dashboard數據就須要用到Hystrix Turbine。瞭解springcloud架構能夠加求求:三五三六二四七二五九,Hystrix Turbine將每一個服務Hystrix Dashboard數據進行了整合。Hystrix Turbine的使用很是簡單,只須要引入相應的依賴和加上註解和配置就能夠了。spring

2、準備工做
本文使用的工程爲上一篇文章的工程,在此基礎上進行改造。由於咱們須要多個服務的Dashboard,因此須要再建一個服務,取名爲service-lucy,它的基本配置同service-hi,具體見源碼,在這裏就不詳細說明。瀏覽器

3、建立service-turbine
引入相應的依賴:架構

<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>

在其入口類ServiceTurbineApplication加上註解@EnableTurbine,開啓turbine,@EnableTurbine註解包含了@EnableDiscoveryClient註解,即開啓了註冊服務。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

配置文件註解寫的很清楚。分佈式

4、Turbine演示
依次開啓eureka-server、service-hi、service-lucy、service-turbine工程。ide

打開瀏覽器輸入:http://localhost:8764/turbine.stream,界面以下
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依次請求:微服務

http://localhost:8762/hi?name=forezp

http://localhost:8763/hi?name=forezp

打開:http://localhost:8763/hystrix,輸入監控流http://localhost:8764/turbine.stream
springCloud分佈式微服務雲架構 第十二篇: 斷路器聚合監控(Hystrix Turbine

點擊monitor stream 進入頁面:
springCloud分佈式微服務雲架構 第十二篇: 斷路器聚合監控(Hystrix Turbine

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