Turbine使用

一、简介

Turbine是聚合服务器发送事件流数据的一个工具，Hystrix的监控中，只能监控单个节点，实际生产中都为集群，因此可以通过Turbine来监控集群下Hystrix的metrics情况
Turbine的github地址：https://github.com/Netflix/Turbine

二、基本环境

• 一个eureka模块
• 两个消费者模块
• 一个turbine监控模块

三、创建eureka模块

（1）创建项目

创建一个spring boot项目

（2）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.abc</groupId>
    <artifactId>00-eurekaserver-8000</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.7.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR2</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>

        <!--热部署依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </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>

</project>

（3）application.yml配置

server:
  port: 8000

eureka:
  instance:
    hostname: localhost  # 指定Eureka主机
  client:
    register-with-eureka: false   # 指定当前主机是否向Eureka服务器进行注册
    fetch-registry: false    # 指定当前主机是否要从Eurka服务器下载服务注册列表
    service-url:   # 服务暴露地址
     defaultZone: http://localhost:8000/eureka
#     defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka

#  server:
#    enable-self-preservation: false    # 关闭自我保护

（4）启动类

package com.abc.eureka;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

@SpringBootApplication
@EnableEurekaServer   // 开启Eureka服务
public class EurekaServerApplication {

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

四、创建消费者09-consumer-turbine-8080

（1）创建项目

创建一个spring boot项目

（2）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>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.7.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.abc</groupId>
    <artifactId>09-consumer-turbine-8080</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>09-consumer-turbine-8080</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR2</spring-cloud.version>
    </properties>

    <dependencies>

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

        <!--feign依赖-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>

        <!-- hystrix-dashboard依赖 -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
        </dependency>

        <!--actuator依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>

        <!--eureka客户端依赖-->
        <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>

        <!-- https://mvnrepository.com/artifact/org.webjars.bower/jquery -->
        <dependency>
            <groupId>org.webjars.bower</groupId>
            <artifactId>jquery</artifactId>
            <version>2.1.1</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-turbine</artifactId>
        </dependency>
        <!--热部署依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </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>

</project>

（3）application.yml配置

# 在微服务网关zuul中演示时需要该工程的端口号为8090
server:
  port: 8080

spring:
  application:  # 指定微服务对外暴露的名称
    name: abcmsc-consumer-depart01

eureka:
  client:
    service-url:
      defaultZone: http://localhost:8000/eureka
    #  instance:
      #   metadata-map:
    #   cluster: ribbon
# 开启Feign对Hystrix的支持
feign:
  hystrix:
    enabled: true

  client:
    config:
      default:
        connectTimeout: 5000  # 指定Feign连接提供者的超时时限
        readTimeout: 5000    # 指定Feign从请求到获取提供者响应的超时时限

# 开启actuator的所有web终端
management:
  endpoints:
    web:
      exposure:
        include: "*"

# 设置服务熔断时限
hystrix:
  command:
    default:
      execution:
        isolation:
          thread:
            timeoutInMilliseconds: 3000

（4）实体类Depart

package com.abc.consumer.bean;

import lombok.Data;

@Data
public class Depart {
    private Integer id;
    private String name;
}

（5）DepartCodeConfig类

package com.abc.consumer.codeconfig;

import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@Configuration
public class DepartCodeConfig {

    @LoadBalanced    // 开启消息者端的负载均衡功能，默认是轮询策略
    @Bean
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

}

（6）DepartController类

package com.abc.consumer.controller;

import com.abc.consumer.bean.Depart;
import com.abc.consumer.service.DepartService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/consumer/depart")
public class DepartController {

    @Autowired
    DepartService service;

    // 服务降级：若当前处理器方法发生异常，则执行fallbackMethod属性指定的方法
    @HystrixCommand(fallbackMethod = "getHystrixHandle")
    @GetMapping("/get/{id}")
    public Depart getHandle(@PathVariable("id") int id) {
        return service.getDepartById(id);
    }

    public Depart getHystrixHandle(@PathVariable("id") int id) {
        Depart depart = new Depart();
        depart.setId(id);
        depart.setName("no this depart  -- 方法级别");
        return depart;
    }


}

（7）DepartService类

package com.abc.consumer.service;


import com.abc.consumer.bean.Depart;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Service
// 指定当前Service所绑定的提供者微服务名称
// fallback指定该接口所绑定的服务降级类
@FeignClient(value = "abcmsc-provider-depart")
@RequestMapping("/provider/depart")
public interface DepartService {
    @GetMapping("/get/{id}")
    Depart getDepartById(@PathVariable("id") int id);

}

（8）启动类

package com.abc.consumer;

import org.springframework.boot.SpringApplication;
import org.springframework.cloud.client.SpringCloudApplication;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.cloud.openfeign.EnableFeignClients;

// 指定Service接口所在的包，开启OpenFeign客户端
@EnableFeignClients(basePackages = "com.abc.consumer.service")
@SpringCloudApplication
@EnableHystrixDashboard   // 开启Hystrix仪表盘功能
public class Consumer01Application {

    public static void main(String[] args) {
        SpringApplication.run(Consumer01Application.class, args);
    }

}

五、创建消费者09-consumer-turbine-8081

（1）复制项目09-consumer-turbine-8080

（2）修改依赖

（3）修改application.yml配置

（4）修改09-consumer-turbine-8081.iml

六、创建消费者turbine监控

（1）创建项目

创建一个spring boot项目

（2）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>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.7.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.abc</groupId>
    <artifactId>09-consumer-turbine-monitor-9000</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>09-consumer-turbine-monitor-9000</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR2</spring-cloud.version>
    </properties>

    <dependencies>

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

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

        <!--feign依赖-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>

        <!-- hystrix-dashboard依赖 -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
        </dependency>

        <!--actuator依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>

        <!--eureka客户端依赖-->
        <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>

        <!-- https://mvnrepository.com/artifact/org.webjars.bower/jquery -->
        <dependency>
            <groupId>org.webjars.bower</groupId>
            <artifactId>jquery</artifactId>
            <version>2.1.1</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!--热部署依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </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>

</project>

（3）application.yml配置

server:
  port: 9000

spring:
  application:  # 指定微服务对外暴露的名称
    name: 09-consumer-turbine-monitor-9000

eureka:
  client:
    service-url: # 指定Eureka服务注册中心
      defaultZone: http://localhost:8000/eureka

# 开启Feign对Hystrix的支持
feign:
  hystrix:
    enabled: true

  client:
    config:
      default:
        connectTimeout: 5000  # 指定Feign连接提供者的超时时限
        readTimeout: 5000    # 指定Feign从请求到获取提供者响应的超时时限

# 开启actuator的所有web终端
management:
  endpoints:
    web:
      exposure:
        include: "*"

# 设置服务熔断时限
hystrix:
  command:
    default:
      execution:
        isolation:
          thread:
            timeoutInMilliseconds: 3000
turbine:
  app-config: abcmsc-consumer-depart01,abcmsc-consumer-depart02
  cluster-name-expression: new String("default")
  combine-host-port: true
  instanceUrlSuffix: /actuator/hystrix.stream #turbine默认监控actuator/路径下的端点，修改直接监控hystrix.stream
    #cluster-name-expression: metadata['cluster']
    #aggregator:
  # cluster-config: ribbon
  #instanceUrlSuffix:  /hystrix.stream #turbine默认监控actuator/路径下的端点，修改直接监控hystrix.stream

（4）启动类

package com.abc.consumer;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.cloud.netflix.turbine.EnableTurbine;


@SpringBootApplication
@EnableTurbine
@EnableHystrixDashboard
@EnableEurekaClient
public class MonitorApplication {

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

   /*@Bean
    public ServletRegistrationBean getServlet() {
        HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
        registrationBean.setLoadOnStartup(1);
        registrationBean.addUrlMappings("/actuator/hystrix.stream);
        registrationBean.setName("HystrixMetricsStreamServlet");
        return registrationBean;
    }*/

}

七、启动

（1）启动eureka模块

（2）启动两个消费者模块

（3）启动turbine监控模块

八、效果

（1）请求http://localhost:8080/consumer/depart/get/1

（1）请求http://localhost:8081/consumer/depart/get/1

浏览器访问http://localhost:9000/hystrix

输入http://localhost:9000/turbine.stream

其他说明 

图片说明借鉴  https://www.jianshu.com/p/590bad4c8947

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