nginx日志按天生成和定期删除日志的方法

#!/bin/bash
#function:cut nginx log files

#set the path to nginx log files
log_files_path="/data/nginxlog/"
log_files_dir=${log_files_path}
#set nginx log files you want to cut
log_files_name=(access )
#set the path to nginx.
nginx_sbin="/usr/local/nginx/sbin/nginx"
#Set how long you want to save
save_days=30
############################################
#Please do not modify the following script #
############################################
#mkdir -p $log_files_dir
log_files_num=${#log_files_name[@]}

#cut nginx log files
for((i=0;i<$log_files_num;i++));do
mv ${log_files_path}${log_files_name[i]}.log ${log_files_dir}${log_files_name[i]}.log_$(date -d "yesterday" +"%Y-%m-%d")
done

#delete 30 days ago nginx log files
find $log_files_path -mtime +$save_days -exec rm -rf {} \; 

#restart nginx
$nginx_sbin -s reload

//打开定时任务
crontab -e
//进入编辑模式
i
//添加定时任务
00 00 * * * /bin/sh /usr/local/nginx/sbin/cut_nginx_logs.sh
//保存退出
:wq！
//重启crontab服务
/etc/init.d/crond restart
//查看定时任务,就会看到你添加的内容了
crontab -l

# tar zxvf cronolog-1.6.2.tar.gz

# cd cronolog-1.6.2

# ./configure
# make
# make install

# which cronolog

mkfifo /usr/local/nginx/access_log_pipe

...
access_log /usr/local/nginx/access_log_pipe main;
...

nohup cat /usr/local/nginx/access_log_pipe | /usr/local/sbin/cronolog /usr/local/nginx/logs/access-%Y-%m-%d.log &

cd /usr/local/nginx/sbin
./nginx -s reload

[root@app2 /]# cd /usr/local/nginx/logs/
[root@app2 logs]# ll
total 3544
-rw-r--r-- 1 root root    0 Oct 1 07:20 8099.access.log
-rw-r--r-- 1 root root 3599534 Oct 1 07:58 access-2016-10-01.log
-rw-r--r-- 1 root root   235 Oct 1 07:20 error.log
-rw-r--r-- 1 root root    5 Oct 1 06:34 nginx.pid

[root@app2 sh]# pwd
/usr/local/nginx/sh
[root@app2 sh]# vi delete_nginx_logs.sh 

#set the path to nginx log files
log_files_path="/usr/local/nginx/logs/"
save_days=5
#delete "htmlcode">

[root@localhost sh]# crontab -e
00 00 * * * /bin/sh /usr/local/nginx/sh/delete_nginx_logs.sh


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