Spring Cloud Alibaba OpenFeign 日志配置


OpenFeign提供了日志打印功能,我們可以通過配置來調整日恙級別,從而了解Feign 中 Http請求的細節。

說白了就是對Feign接口的調用情況進行監控和輸出

日志級別

  • NONE:默認的,不顯示任何日志;
  • BASIC:僅記錄請求方法、URL、響應狀態碼及執行時間;
  • HEADERS:除了BASIC中定義的信息之外,還有請求和響應的頭信息;
  • FULL:除了HEADERS中定義的信息之外,還有請求和響應的正文及元數據。
package com.wsm.product.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/product")
public class ProductController {

    @Value("${server.port}")
    String port;

    @RequestMapping("/{id}")
    public String get(@PathVariable("id") Integer id){
        System.out.println("查詢商品");
        return "查詢商品"+id+":"+port;
    }
}

 

package com.wsm.order.feign;

import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

@FeignClient(name = "product-service",path="/product")
public interface ProductFeignService {

    @RequestMapping("/{id}")
    public String get(@PathVariable("id") Integer id);
}

 

 

package com.wsm.order.config;

import feign.Logger;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 全局配置: 當使用@Configuration會將配置作用所有的報務提供方
 * 局部配置: 如果只針對個別服務進行配置,就不要加@Configuration
 *
 */
@Configuration
public class FeignConfig {

    @Bean
    public Logger.Level feignLoggerLevel(){
        return Logger.Level.FULL;
    }


}

 

 

package com.wsm.order.controller;

import com.wsm.order.feign.ProductFeignService;
import com.wsm.order.feign.StockFeignService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import javax.swing.*;

@RestController
@RequestMapping("/order")
public class OrderController {

//    @Autowired
//    RestTemplate restTemplate;
    @Autowired
    StockFeignService stockFeignService;
    @Autowired
    ProductFeignService productFeignService;

    @RequestMapping("/add")
    public String add(){
        System.out.println("aaaaaaaaaaaaa");
//        String msg = restTemplate.getForObject("http://localhost:8011/stock/reduct", String.class);
//        String msg = restTemplate.getForObject("http://stock-service/stock/reduct", String.class);
        String stock_msg = stockFeignService.reduct();
        String product_msg = productFeignService.get(1);
        return "hello feign "+ stock_msg +" "+product_msg;
    }
}

 

server:
  port: 8040
  #應用名稱  (nacos 會將該名稱當作服務名稱)
spring:
  application:
    name: order-openfeign-service
  cloud:
    nacos:
#      server-addr: 127.0.0.1:8848
      server-addr: 192.168.133.128:8847  #集群 nginx 負載均衡訪問 nacos
      discovery:
        username: nacos
        password: nacos
        namespace: public
#springboot 默認的日志級別是info,feign的debug日志級別就不會輸出
logging:
  level:
    com.wsm.order.feign: debug

 

 

 

 

 

 

package com.wsm.order.config;

import feign.Logger;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 全局配置: 當使用@Configuration會將配置作用所有的報務提供方
 * 局部配置: 如果只針對個別服務進行配置,就不要加@Configuration
 *
 */
//@Configuration
public class FeignConfig {

    @Bean
    public Logger.Level feignLoggerLevel(){
        return Logger.Level.FULL;
    }

}

 

package com.wsm.order.feign;

import com.wsm.order.config.FeignConfig;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.RequestMapping;

/**
 * 添加feign接口的方法
 * name 指定調用rest接口所對應的服務名
 * path 指定調用rest接口所在的StockController指定的@RequestMapping
 */
@FeignClient(name = "stock-service",path="/stock",configuration = FeignConfig.class)
public interface StockFeignService {

    //聲明需要調用的rest接口對應的方法
    @RequestMapping("/reduct")//與 StockController 中的reduct()方法的@RequestMapping一致
    public String reduct(); //與 StockController 中的reduct()方法對應
}

 

server:
  port: 8040
  #應用名稱  (nacos 會將該名稱當作服務名稱)
spring:
  application:
    name: order-openfeign-service
  cloud:
    nacos:
#      server-addr: 127.0.0.1:8848
      server-addr: 192.168.133.128:8847  #集群 nginx 負載均衡訪問 nacos
      discovery:
        username: nacos
        password: nacos
        namespace: public
#springboot 默認的日志級別是info,feign的debug日志級別就不會輸出
logging:
  level:
#    com.wsm.order.feign: debug
    com.wsm.order.feign.StockFeignService: debug

 

 

 

 

 

 

 

局部配置有兩種方式,一是上面的配置類,二是通過配置文件

server:
  port: 8040
  #應用名稱  (nacos 會將該名稱當作服務名稱)
spring:
  application:
    name: order-openfeign-service
  cloud:
    nacos:
#      server-addr: 127.0.0.1:8848
      server-addr: 192.168.133.128:8847  #集群 nginx 負載均衡訪問 nacos
      discovery:
        username: nacos
        password: nacos
        namespace: public
#springboot 默認的日志級別是info,feign的debug日志級別就不會輸出
logging:
  level:
#    com.wsm.order.feign: debug
    com.wsm.order.feign.StockFeignService: debug
# Feign 日志局部配置
feign:
  client:
    config:
      product-service:
        loggerLevel: BASIC

 

 

 

 


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