logback 自定义log字段（MDC）推送到logstash(spring boot + logback+ logstash)-Toy模板网

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直接上代码：

1.创建FIlter，往 MDC 里面追加内容

@WebFilter
@Component
public class LogBackFilter implements Filter {
    

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        // LOGSTASH 日志附加信息追加
        addMDC(request,response,chain);
        
    }

    @Override
    public void destroy() {
        
        rmMDC();
    }

    private void addMDC(ServletRequest request, ServletResponse response, FilterChain chain){

        HttpServletRequest httpServletRequest = ((HttpServletRequest) request);

        String uuid = UUID.randomUUID().toString();
        MDC.put(LogConstant.REQUEST_ID, uuid);

        String remoteIp = request.getRemoteAddr();
        MDC.put(LogConstant.REQUEST_RM_IP, remoteIp);

        String remoteHost = request.getRemoteHost();
        MDC.put(LogConstant.REQUEST_RM_HOST, remoteHost);

        String uri =  httpServletRequest.getRequestURI();
        MDC.put(LogConstant.REQUEST_URI, uri);

        AuthUser authUser = UserContext.getCurrentUser();
        if(authUser!=null){
            MDC.put(LogConstant.REQUEST_USER_ID, authUser.getId());
        }
    }

    private void rmMDC(){
        MDC.remove(LogConstant.REQUEST_ID);
        MDC.remove(LogConstant.REQUEST_RM_IP);
        MDC.remove(LogConstant.REQUEST_RM_HOST);
        MDC.remove(LogConstant.REQUEST_URI);
        MDC.remove(LogConstant.REQUEST_USER_ID);
    }
}

2.logback配置:

includeMdcKeyName 标签追加 mdc中的key文章来源地址https://www.toymoban.com/news/detail-608005.html

 <!--输出到elk的LOGSTASH-->
    <appender name="LOGSTASH" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
        <!-- 配置elk日志收集 配饰的是 LOGSTASH 的地址-->
        <destination>${LOGSTASH_SERVER}</destination>
        <encoder charset="UTF-8" class="net.logstash.logback.encoder.LogstashEncoder">
            <providers>
                <timestamp>
                    <timeZone>UTC</timeZone>
                </timestamp>
            </providers>
            
            <includeCallerData>true</includeCallerData>
            <includeMdc>true</includeMdc>

            <!-- MDC字段 -->
            <includeMdcKeyName>X-Request-Id</includeMdcKeyName>
            <includeMdcKeyName>X-Request-Uri</includeMdcKeyName>
            <includeMdcKeyName>X-Request-UserId</includeMdcKeyName>
            <includeMdcKeyName>X-Request-Rm-Ip</includeMdcKeyName>
            <includeMdcKeyName>X-Request-Rm-Host</includeMdcKeyName>

            <!--自定义字段 区分项目-->
            <customFields>{"appName":"${APP_NAME}"}</customFields>

        </encoder>
    </appender>

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