back_nginx_log.sh

#!/bin/bash
# This script run at 00:00

# The data logs path
#日志存放
logs_path="/data/logs/nginx/"
#日志备份
backup_path="/data/backup/logs/nginx/"
#年份
year=$(date -d "yesterday" +"%Y")
#月份
month=$(date -d "yesterday" +"%m")
#昨天
yesterday=$(date -d "yesterday" +"%Y%m%d")
#前天
day2before=$(date -d "-2 day" +"%Y%m%d")

function backupfile() {
        lognames=$*
        mkdir -p ${backup_path}$year/$month/
        cd ${logs_path}
        echo "backup start ..."
        for logname in $lognames
        do
                mv ${logname}.log ${backup_path}$year/$month/${logname}_$yesterday.log
        done

        #restart nginx
        nginx_pid="/usr/local/nginx/logs/nginx.pid"
        kill -USR1 `cat $nginx_pid`

        echo "end reload nginx"

        #tar
        cd ${backup_path}$year/$month/
        for logname in $lognames
        do
                tar -czvf ${logname}_$yesterday.log.tgz ${logname}_$yesterday.log
                rm -rf ${logname}_${day2before}.log
        done
        echo "backup end"
}

backup file “www.facebook.com"