详解nginx日志定时备份和删除

#!/bin/bash#auth:lzq#desc:把当前日志按日期备份，重新生成第二天的日志文件#date:2016-09-18DATE=`date +%Y%m%d`NGINX_PID=`cat /var/run/nginx.pid`#如果当前Nginx没有运行就退出if [ "$?" != 0 ]then    exit 1;fi#nginx 日志所在的路径LOG_PATH='/usr/local/nginx/logs/'LOG_NAME='access.log'mv ${LOG_PATH}${LOG_NAME} ${LOG_PATH}${LOG_NAME}$DATE#删除7天前旧的备份文件function deloldbak(){    olddate=`date +"%Y%m%d" -d "-$1 day"`    if [ -e "${LOG_PATH}${LOG_NAME}$olddate" ]    then        rm -f ${LOG_PATH}${LOG_NAME}$olddate        echo "${LOG_PATH}${LOG_NAME}$olddate del OK"    fi}#重载nginx配置，重新生成nginx日志文件kill -USR1 $NGINX_PIDif [ "$?" == 0 ]then    deloldbak 7    exit 0;fi