springcloud的Hystrix turbine断路器聚合监控实现(基于springboot2.02版本)
本文基于方志朋先生的博客实现:https://blog.csdn.net/forezp/article/details/70233227
一、准本工作
1、工具:Idea,JDK1.8,Maven3.5
2、创建四个model,名字分别为eurserver(服务注册中心),service-hi(实现断路监控),service-lucy(实现断路监控),service-turbine(断路器聚合监控)
二、创建与实现
1、创建服务注册中心eurserver,右键工程,new ==> model,然后选择Spring Initializr,next。

然后填写model名字,next,选择Cloud Discovery,Eureka Server,next ==>finish

启动一个服务注册中心,主需要一个注解@EnableEurekaServer,这个注解放在springboot的启动工程里。
@SpringBootApplication
@EnableEurekaServer
public class EurserverApplication { public static void main(String[] args) {
SpringApplication.run(EurserverApplication.class, args);
}
}
填写配置文件:
server:
port: 8088 //端口号
eureka:
instance:
hostname: localhost //主机地址
client:
register-with-eureka: false //注册中心告诉自己不能向自己注册自己,默认为true
fetch-registry: false
service-url:
defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
pom文件:
<?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.</modelVersion> <groupId>com.rrg</groupId>
<artifactId>eurserver</artifactId>
<version>0.0.-SNAPSHOT</version>
<packaging>jar</packaging> <name>eurserver</name>
<description>Demo project for Spring Boot</description> <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0..RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent> <properties>
<project.build.sourceEncoding>UTF-</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Finchley.RC2</spring-cloud.version>
</properties> <dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</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>
项目列表:

启动项目,访问:localhost:8088

可以看到,没有任何服务向注册中心注册。
2、创建一个service-hi
选择依赖包:

pom文件:
<?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.</modelVersion> <groupId>com.rrg</groupId>
<artifactId>service-hi</artifactId>
<version>0.0.-SNAPSHOT</version>
<packaging>jar</packaging> <name>service-hi</name>
<description>Demo project for Spring Boot</description> <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0..RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent> <properties>
<project.build.sourceEncoding>UTF-</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Finchley.RC2</spring-cloud.version>
</properties> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</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.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:
server.port=8085
# 向服务中心注册
eureka.client.service-url.defaultZone=http://localhost:8088/eureka/
spring.application.name=service-hi
启动类:
package com.rrg; import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.hystrix.EnableHystrix;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController; @SpringBootApplication
@EnableEurekaClient
// 断路器
@EnableHystrix
// 断路器仪表盘
@EnableHystrixDashboard
@RestController
public class ServiceHiApplication { public static void main(String[] args) {
SpringApplication.run(ServiceHiApplication.class, args);
} // 这个是2.02要添加的,不然仪表盘不显示
@Bean
public ServletRegistrationBean getServlet(){
HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
registrationBean.setLoadOnStartup();
registrationBean.addUrlMappings("/hystrix.stream");
registrationBean.setName("HystrixMetricsStreamServlet");
registrationBean.setName("HystrixMetricsStreamServlet");
return registrationBean;
} @Value("${server.port}")
private String port;
@RequestMapping("/hi")
@HystrixCommand(fallbackMethod = "hiErr")
public String hi(@RequestParam String name){
return "hi," + name + "I am a port:" + port;
} public String hiErr(@RequestParam String name){
return "sorry," + name + ",have a error";
}
}
启动service-hi,访问localhost:8085

然后输入:http://localhost:8085/hystrix.stream,miya,点击Monitor Stream
在访问之前,先访问local host:8085/hi?name=rose,这样那个仪表盘才显示。

到此,已经实现了单个断路器的监控,但是如果要监控多个服务的话,就需要turbine来实现
3、创建一个service-trubine,service-lucy的创建和service-hi一摸一样,就不用多写了。
pom文件 :
<?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.</modelVersion> <groupId>com.rrg</groupId>
<artifactId>service-turbine</artifactId>
<version>0.0.-SNAPSHOT</version>
<packaging>jar</packaging> <name>service-turbine</name>
<description>Demo project for Spring Boot</description> <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0..RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent> <properties>
<project.build.sourceEncoding>UTF-</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Finchley.RC2</spring-cloud.version>
</properties> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-turbine</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix-dashboard</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:
server.port=
spring.application.name=service-turbine
# 指定聚合哪些集群,多个使用","分割,默认为default。可使用http://.../turbine.stream?cluster={clusterConfig之一}访问
turbine.aggregator.cluster-config=default
#表明监控哪些服务
turbine.app-config=service-hi,service-lucy
turbine.cluster-name-expression=new String("default")
#这里和service-hi启动类里的 registrationBean.addUrlMappings("/hystrix.stream")一致,原因待探索
turbine.instanceUrlSuffix=/hystrix.stream
eureka.client.service-url.defaultZone=http://localhost:8088/eureka/
启动类:
@SpringBootApplication
// @EnableTurbine注解包含了@EnableDiscoveryClient注解
@EnableTurbine
@EnableHystrixDashboard
public class ServiceTurbineApplication { public static void main(String[] args) {
SpringApplication.run(ServiceTurbineApplication.class, args);
}
}
然后分别启动四个项目:访问localhost:8088

都已注册。访问local host:8087,输入http://localhost:8087/turbine.stream点击进去。


可以看到,已经成功的对service-hi和service-lucy聚合监控。
源码:https://github.com/huangshengz/springcloud
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