Spring Cloud (11) Hystrix-监控聚合监控

　　上一篇利用Hystrix Dashboard去监控断路器的Hystrix command，当我们有很多服务的时候，就需要聚合所有服务的Hystrix Dashboard数据了，这就需要Hystrix Turbine了。

Hystrix Turbine

　　看单个的Hystrix Dashboard的数据并没有什么多大的价值，要想看这个系统的Hystrix Dashboard数据就需要用到Hystrix Turbine。Hystrix Turbine将每个服务HystrixDashboard数据进行整合。Hystrix Turbine的使用非常简单，只需要引入响应的依赖和加上注解和配置就可以了。

第一种方式：通过Http收集聚合

创建一个spring boot项目，命名为david-turbine

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>

    <groupId>com.david</groupId>
    <artifactId>turbine</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>turbine</name>
    <description>Demo project for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-turbine</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Edgware.SR2</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>

启动类中使用@EnableTurbine开启Turbine

@EnableTurbine
@SpringBootApplication
public class TurbineApplication {

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

application.yml

spring:
  application:
    name: david-turbine
server:
  port: 8769
security:
  basic:
    enabled: false
turbine:
  aggregator:
    cluster-config: default #指定聚合哪些集群，多个使用 ， 分割 默认为default
  app-config: DAVID-EUREKA-CLIENT,DAVID-FEIGN,DAVID-RIBBON #配置Eureka中的serviceId列表，表明监控哪些服务
  cluster-name-expression: new String("default")
eureka:
  client:
    service-url:
      defaultZone: http://localhost:8761/eureka/

依次启动项目：

在浏览器输入 http://localhost:8769/turbine.stream

打开:http://localhost:8762/hystrix,输入监控流http://localhost:8769/turbine.stream 确定

Spring Cloud (11) Hystrix-监控聚合监控

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