【SpringCloud】第十二篇: 断路器监控(Hystrix Turbine)

前言:

简介:

工具:

一、Hystrix Turbine简介

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Hystrix Dashboard数据进行了整合。Hystrix Turbine的使用非常简单，只需要引入相应的依赖和加上注解和配置就可以了。

二、准备工作

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。需要添加两个服务项目, 本章节共需要四个项目, 3 and 4 是追加的

1. eureka-server-hystrix-dashboard
2. eureka-client-hystrix-dashboard
3. eureka-client-hystrix-dashboard2 (仿照 2 改造*yml,需要修改名称加载顺序)
4. eureka-client-hystrix-turbine

三、创建 eureka-client-hystrix-turbine

引入相应的依赖：

<?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.lwc</groupId>

    <artifactId>eureka-client-hystrix-turbine</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <packaging>jar</packaging>

    <name>eureka-client-hystrix-turbine</name>

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

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>1.5.10.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>

        <spring-cloud.version>Edgware.SR2</spring-cloud.version>

    </properties>

    <dependencies>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-turbine</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-netflix-turbine</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-actuator</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

    </dependencies>

    <dependencyManagement>

        <dependencies>

            <dependency>

                <groupId>org.springframework.cloud</groupId>

                <artifactId>spring-cloud-dependencies</artifactId>

                <version>${spring-cloud.version}</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>

    <repositories>

        <repository>

            <id>spring-milestones</id>

            <name>Spring Milestones</name>

            <url>https://repo.spring.io/milestone</url>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </repository>

    </repositories>

</project>

配置文件application.yml：

spring:

  application.name: eureka-client-hystrix-turbine

server:

  port: 8769

security.basic.enabled: false

turbine:

  aggregator:

    clusterConfig: default

  appConfig: eureka-client-hystrix-dashboard,eureka-client-hystrix-dashboard2

  clusterNameExpression: new String("default")

eureka:

  client:

    service-url:

      defaultZone: http://localhost:8761/eureka/

配置文件, 具体我也是看百度在修改. 其实也无什么, 看API也有!

四、Turbine演示

依次开启工程:

1. eureka-server-hystrix-dashboard
2. eureka-client-hystrix-dashboard
3. eureka-client-hystrix-dashboard2
4. eureka-client-hystrix-turbine

打开浏览器输入: http://localhost:8761/ 查看注册中心界面如下:

打开浏览器输入：http://localhost:8769/turbine.stream,界面如下：

请求 (如果不依次, 你可能会感觉出问题, 因为WEB无数据)

打开:http://localhost:8763/hystrix,输入监控流http://localhost:8769/turbine.stream

点击monitor stream 进入页面：

可以看到这个页面聚合了2个service的hystrix dashbord数据。

五、源码下载：

标签 12-1

https://github.com/eddie-code/SpringCloudDemo