从零学ELK系列（十一）:SpringBoot项目接入ELK超级版（超详细图文教程）

前言

之前在《从零学ELK系列（十）:SpringBoot项目接入ELK升级版（超详细图文教程）》中演示了SpringBoot项目接入ELK请求记录及优化，本次针对于未知异常通过拦截进行记录；

优化前：

系统发生异常没有记录异常信息

优化后：

记录本次请求的异常信息

架构图&时序图

架构图
程序写入日志时序图
ELK收集日志及Kibina查询日志时序图

代码实现

完整代码（GitHub，欢迎大家Star,Fork,Watch)

https://github.com/dangnianchuntian/springboot

主要代码展示

ExceptionLogAspect

/*
 * Copyright (c) 2020. [email protected] All Rights Reserved.
 * 项目名称：SpringBoot项目接入ELK
 * 类名称：ExceptionLogAspect.java
 * 创建人：张晗
 * 联系方式：[email protected]
 * 开源地址: https://github.com/dangnianchuntian/springboot
 * 博客地址: https://zhanghan.blog.csdn.net
 */

package com.zhanghan.zhelkboot.aop;

import com.zhanghan.zhelkboot.util.FileBeatLogUtil;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import java.util.Arrays;

@Aspect
@Order(1)
@Component
public class ExceptionLogAspect {
      
      

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    /**
     * 范围切点方法
     */
    @Pointcut("execution(* com.zhanghan.zhelkboot..*.*(..))")
    public void methodPointCut() {
      
      
    }

    @AfterThrowing(throwing = "ex", pointcut = "methodPointCut()")
    public void throwss(JoinPoint joinPoint, Exception ex) {
      
      
        try {
      
      
            String methodArgs = Arrays.toString(joinPoint.getArgs());
            FileBeatLogUtil.writeExceptionLog(joinPoint.getSignature().toString(), methodArgs, ex.getMessage());
        } catch (Exception e) {
      
      
            logger.error("ExceptionLogAspect;writeExceptionLog;Exception:{}", e.getMessage());
        }
    }
}

RecordExcepitonLogServiceImpl

/*
 * Copyright (c) 2020. [email protected] All Rights Reserved.
 * 项目名称：SpringBoot项目接入ELK
 * 类名称：RecordExcepitonLogServiceImpl.java
 * 创建人：张晗
 * 联系方式：[email protected]
 * 开源地址: https://github.com/dangnianchuntian/springboot
 * 博客地址: https://zhanghan.blog.csdn.net
 */

package com.zhanghan.zhelkboot.service.impl;

import com.zhanghan.zhelkboot.controller.request.RecordExceptionLogRequest;
import com.zhanghan.zhelkboot.service.RecordExcepitonLogService;
import com.zhanghan.zhelkboot.util.wrapper.WrapMapper;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

@Service
public class RecordExcepitonLogServiceImpl implements RecordExcepitonLogService {
      
      

    /**
     * 记录异常
     */
    @Override
    public Object recordExcepitonLog(RecordExceptionLogRequest recordExceptionLogRequest) {
      
      
        Integer divisor = recordExceptionLogRequest.getDivisor();
        int consult = 2 / divisor;
        Map<String, Object> map = new HashMap();
        map.put("consult", consult);
        return WrapMapper.ok(map);
    }

}

FileBeatLogUtil

/*
 * Copyright (c) 2020. [email protected] All Rights Reserved.
 * 项目名称：SpringBoot项目接入ELK
 * 类名称：FileBeatLogUtil.java
 * 创建人：张晗
 * 联系方式：[email protected]
 * 开源地址: https://github.com/dangnianchuntian/springboot
 * 博客地址: https://zhanghan.blog.csdn.net
 */

package com.zhanghan.zhelkboot.util;

import com.alibaba.fastjson.JSON;
import com.zhanghan.zhelkboot.util.wrapper.Wrapper;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.MDC;
import org.springframework.util.StringUtils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.util.*;

public class FileBeatLogUtil {
      
      

    public static void writeRequestInfo(HttpServletRequest request, String applicationName, String reqName, String requestParams) {
      
      

        String requestURI = request.getRequestURI();

        //获取requestHeader
        Enumeration<String> requestHeaderNames = request.getHeaderNames();
        Map<String, Object> reuestHeaderMap = new HashMap<>();
        while (requestHeaderNames.hasMoreElements()) {
      
      
            String name = requestHeaderNames.nextElement();
            String value = request.getHeaders(name).nextElement();
            reuestHeaderMap.put(name, value);
        }
        String requestHeader = "";
        if (null != reuestHeaderMap && reuestHeaderMap.size() > 0) {
      
      
            requestHeader = JSON.toJSONString(reuestHeaderMap);
        }

        //防止MDC值空指针，所有入参不为null
        applicationName = StringUtils.isEmpty(applicationName) ? "" : applicationName;
        requestURI = StringUtils.isEmpty(requestURI) ? "" : requestURI;
        reqName = StringUtils.isEmpty(reqName) ? "" : reqName;
        requestParams = "null".equals(requestParams) ? "" : requestParams;

        //MDC值为ES键值对JSON信息
        MDC.put("applicationName", applicationName);
        MDC.put("requestTime", getStringTodayTime());
        MDC.put("requestURI", requestURI);
        MDC.put("requestHeader", requestHeader);
        MDC.put("sourceName", reqName);
        MDC.put("requestParams", requestParams);
        MDC.put("exceptionCount", "0");
    }

    public static void writeExceptionLog(String exceptionMethodName, String exceptionMethodArgs, String exceptionMessage) {
      
      

        MDC.put("exceptionCount", "1");
        exceptionMessage = String.format("MethodName:%s;Args:%s;Exception:%s", exceptionMethodName, exceptionMethodArgs, exceptionMessage);
        //MDC值为ES键值对JSON信息
        MDC.put("exceptionMessage", exceptionMessage);

    }

    public static void writeResponseLog(Object o, Logger log, HttpServletResponse response) {
      
      

        //取responseHeader内容
        Map<String, Object> responseHeaderMap = new HashMap<>();
        Collection<String> headerNames = response.getHeaderNames();
        headerNames.forEach(name -> {
      
      
            responseHeaderMap.put(name, response.getHeader(name));
        });
        String strResponseHeader = "";
        if (null != responseHeaderMap && responseHeaderMap.size() > 0) {
      
      
            strResponseHeader = JSON.toJSONString(responseHeaderMap);
        }

        //获取response内容
        String responseCode = "";
        String responseMsg = "";
        String responseBody = "";
        Wrapper wrapper;
        if (null != o) {
      
      
            wrapper = (Wrapper) o;
            if (null != wrapper) {
      
      
                responseCode = String.valueOf(wrapper.getCode());
                responseMsg = wrapper.getMessage();
                Object result = wrapper.getResult();
                if (null != result) {
      
      
                    responseBody = result.toString();
                }
            }
        }


        //MDC值为ES键值对JSON信息
        MDC.put("responseHeader", strResponseHeader);
        MDC.put("responseCode", responseCode);
        MDC.put("responseMsg", responseMsg);
        MDC.put("responseBody", responseBody);
        MDC.put("responseTime", getStringTodayTime());

        Map<String, String> copyOfContextMap = MDC.getCopyOfContextMap();
        String reqInfoJsonStr = JSON.toJSONString(copyOfContextMap);
        log.info(reqInfoJsonStr);
    }

    /**
     * 获取请求参数，处理为json字符串
     *
     * @param joinPoint
     * @return
     */
    public static String getParams(JoinPoint joinPoint) {
      
      
        Object[] argValues = joinPoint.getArgs();
        String[] argNames = ((MethodSignature) joinPoint.getSignature()).getParameterNames();
        LinkedHashMap<String, Object> linkedHashMap = new LinkedHashMap<>();
        if (argNames != null && argNames.length > 0) {
      
      
            for (int i = 0; i < argNames.length; i++) {
      
      
                String thisArgName = argNames[i];
                String thisArgValue = argValues[i].toString();
                linkedHashMap.put(thisArgName, thisArgValue);
            }
        }
        return JSON.toJSONString(linkedHashMap);
    }

    public static String getStringTodayTime() {
      
      
        Date todat_date = new Date();
        //将日期格式化
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
        //转换成字符串格式
        return simpleDateFormat.format(todat_date);
    }
}