Spring Cloud 添加Dashboard断路监控

男娘i 2023-06-30 02:54 6阅读 0赞

spring boot版本：2.1.10.RELEASE  
适用于spring boot 2.x

#### 1、添加相关依赖 ####

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

#### 2、配置启动类 ####

package com.ebook.consumer;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
    import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
    import org.springframework.cloud.netflix.hystrix.EnableHystrix;
    import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
    
    /** * @author:JZ * @date:2020/1/11 */
    
    @EnableCircuitBreaker  //开启服务降级 断路器
    @EnableEurekaClient
    @SpringBootApplication
    @EnableHystrixDashboard   //开启HystrixDashboard
    public class ThreadPoolApplication { 
    
        public static void main(String[] args) { 
            SpringApplication.run(ThreadPoolApplication.class, args);
        }
    
    }

#### 3、添加配置文件 ####

> management.endpoints.web.exposure.include=hystrix.stream  
> management.endpoints.web.base-path=/

SpringBoot2.x以上必须指定，指定hystrixDashboard的访问路径，否则访问`http://127.0.0.1:8021/hystrix.stream` 时报前端页面会报如下错误：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70]

#### 4、查看页面 ####

以下url中IP和端口请根据自己的情况自行修改。

##### 访问`http://127.0.0.1:8021/hystrix.stream` #####

若未请求过接口页面如下：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 1]

请求接口后：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 2]

##### 访问`http://127.0.0.1:8021/hystrix` #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 3]  
其中的`http://127.0.0.1:8021/hystrix.stream`就是上边的url，也就是需要监听的服务。  
Delay：轮询监控的时间间隔，默认为2000。  
Title：标题，随意起。

点击 monitor stream 按钮  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 4]  
解释：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 5]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200114204950935.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ=,size_16,color_FFFFFF,t_70
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ_size_16_color_FFFFFF_t_70 3]: https://img-blog.csdnimg.cn/2020011420513257.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9qei0yMDE3LmJsb2cuY3Nkbi5uZXQ=,size_16,color_FFFFFF,t_70
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