turbine是聚合伺服器傳送事件流資料的一個工具，hystrix的監控中，只能監控單個節點，實際生產中都為叢集，

因此可以通過turbine來監控叢集下hystrix的metrics情況，通過eureka來發現hystrix服務。

新建turbine專案

TurbineApplication.java

package turbine;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.hystrix.EnableHystrix
 
;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.cloud.netflix.turbine.EnableTurbine;
/**
 * Created by sai.luo on 2017/4/26.
 */
@SpringBootApplication
@EnableTurbine
@EnableHystrix
@EnableHystrixDashboard
public class TurbineApplication{
    public static void 
 
main(String[] args) {
        SpringApplication.run(TurbineApplication.class,args);
}
}

pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"
 
>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>turbine</artifactId>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
    </properties>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.2.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
</parent>
    <dependencies>
<!-- hystrix依賴 -->
<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-hystrix</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-hystrix-dashboard</artifactId>
        </dependency>
<!-- turnbine依賴 -->
<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-turbine</artifactId>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Camden.SR5</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

application.yml

spring:
  application:
    name: turbine
server:
  port: 8000
turbine:
  app-config: hello,helloClient   ##需要監控的服務名
  aggregator:
    clusterConfig: main ##需要監控的服務叢集名
  clusterNameExpression: metadata['cluster']

eureka:
  instance:
    preferIpAddress: true
    statusPageUrlPath: /info.html
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/

啟動服務

helloserviceeureka 專案 appliation.yml 增加叢集配置

更改為

spring:
  application:
    name: hello

server:
  port: 9001

eureka:
  instance:
    lease-renewal-interval-in-seconds: 3
    lease-expiration-duration-in-seconds: 5
    metadata-map:
      cluster: main
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/
    registry-fetch-interval-seconds: 3

logging:
  level:
    com:
      netflix:
        eureka: OFF
        discovery: OFF

pom.xml增加hystrix依賴包

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-hystrix</artifactId>
</dependency>

同理ribboneureka 專案 application.yml 增加叢集配置

更改後如下

spring:
  application:
    name: helloClient

server:
  port: 20000

eureka:
  instance:
    lease-renewal-interval-in-seconds: 3
    lease-expiration-duration-in-seconds: 5
    metadata-map:
      cluster: main
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/
    registry-fetch-interval-seconds: 3

logging:
  level:
    com:
      netflix:
        eureka: OFF
        discovery: OFF

pom.xml增加hystrix依賴包

RibbonEurekaApplication.java 增加註解

@EnableHystrix

啟動專案

訪問 localhost:8000/hystrixx 可以看到頁面

注： turbine只能監控hystrix服務，不是hystrix服務，不能監控，如 hello這個服務雖然配置了叢集，但是沒有使用hystrix,所以不會受監控。