springcloud（六）

矫情吗；* 2021-11-11 07:54 213阅读 0赞

**背景：基于[springcloud（五）][springcloud]进行**

### 添加熔断器仪表盘监控 ###

### **一、ribbon消费者** ###

**1. 在spring-cloud-ribbon工程中 添加依赖**

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

**2. 在 RibbonApplication 中增加 `@EnableHystrixDashboard` 注解**

package com.zsx;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    import org.springframework.cloud.netflix.hystrix.EnableHystrix;
    import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    @EnableHystrix
    @EnableHystrixDashboard
    public class RibbonApplication {
    
        public static void main(String[] args) {
            SpringApplication.run(RibbonApplication.class, args);
        }
    }

**3. 添加`hystrix.stream的servlet配置到`ServletRegistrationBean**

package com.zsx.config;
    
    import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
    import org.springframework.boot.web.servlet.ServletRegistrationBean;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    @Configuration
    public class HystrixServletDefinitions {
    
        @Bean(name = "hystrixRegistrationBean")
        public ServletRegistrationBean servletRegistrationBean() {
            ServletRegistrationBean registration = new ServletRegistrationBean(
                    new HystrixMetricsStreamServlet(), "/hystrix.stream");
            registration.setName("hystrixServlet");
            registration.setLoadOnStartup(1);
            return registration;
        }
    }

**4. 依次启动注册中心，服务提供者、Ribbon消费者**

**5.查看请求[http://localhost:8084/hystrix][http_localhost_8084_hystrix]**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70][]

**6. 添加到仪表盘**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 1][]

**7.**  **查看请求[http://localhost:8084/ribbon/hello][http_localhost_8084_ribbon_hello]（多次刷新）**

**8. 查看请求[http://localhost:8084/hystrix.stream][http_localhost_8084_hystrix.stream]**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 2][]

**8. 查看仪表盘监控状态**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 3][]

### **二、Feign消费者** ###

**1. 在spring-cloud-feign工程中 添加依赖**

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

**2. 在 FeignApplication 中增加 `@EnableHystrixDashboard` 注解**

package com.zsx;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
    import org.springframework.cloud.openfeign.EnableFeignClients;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    @EnableFeignClients
    @EnableHystrixDashboard
    public class FeignApplication {
    
        public static void main(String[] args) {
            SpringApplication.run(FeignApplication.class, args);
        }
    }

**3. 添加依赖（此处`hystrix.stream`用另外的方法实现）**

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

**4. 暴露`hystrix.stream，`配置文件添加如下内容**

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

**5. 启动注册中心，服务提供者、Feign消费者**

**6. 查看请求****[http://localhost:8085/hystrix][http_localhost_8084_hystrix]**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 4][]

**7. 添加到仪表盘**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 5][]

**8. 查看请求[http://localhost:8085/ribbon/hello][http_localhost_8084_ribbon_hello]（多次刷新）**

**9. 查看请求[http://localhost:8085/hystrix.stream][http_localhost_8084_hystrix.stream]**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 6][]

**9. 查看仪表盘监控状态**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 7][]

[springcloud]: https://blog.csdn.net/zsx18273117003/article/details/97766099
[http_localhost_8084_hystrix]: http://localhost:8085/hystrix
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70]: /images/20211109/c4ecc345a91a48bd92f02445100e068b.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 1]: /images/20211109/7f951a8250364ef58b42c9e04a336ad4.png
[http_localhost_8084_ribbon_hello]: http://localhost:8084/ribbon/hello
[http_localhost_8084_hystrix.stream]: http://localhost:8084/hystrix.stream
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pzeDE4MjczMTE3MDAz_size_16_color_FFFFFF_t_70 2]: /images/20211109/7759e8f0a83842419f962e59d9756346.png
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