设置varnish记录日志并定时拆分日志

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varnish记录日志

通过官方推荐的方式apt-get install安装的varnish本身有varnishncsa这个脚本,但默认这个脚本开机并不会自动启动,即默认不记录日志。

检查了下/etc/init.d/varnishncsa这个脚本的内容后发现是/etc/default/varnishncsa中一个设置在起作用,文件内容如下:

root@1:~# cat /etc/default/varnishncsa

# Configuration file for varnishncsa

#

# Note: If systemd is installed, this file is obsolete and ignored. You will

# need to copy /lib/systemd/system/varnishncsa.service to /etc/systemd/system/

# and edit that file.

#

# Uncomment this to enable logging for varnish. Please make sure you have

# enough disk space for significant amounts of log data. To disable logging,

# set the variable to "0", "no", or leave it unset.

#

# NCSA log format, to be used by HTTP log analyzers

# VARNISHNCSA_ENABLED=1

如果需要开启varnish开机自动记录日志,只需要将# VARNISHNCSA_ENABLED=1前边的注释去掉即可。

修改varnish日志存储目录

默认/etc/init.d/varnishncsa这个脚本中设置的日志目录为LOGFILE=/var/log/varnish/varnishncsa.log,改变日志存储目录修改这个参数即可(默认记录日志使用的用户为USER=varnishlog,修改日志文件目录需要给varnishlog用户设置权限或者换一个有读写权限的用户)

定时切割日志

在/etc/init.d/varnishncsa这个脚本中增加一个函数:

cutlog() {

_yesdate=$(date -d "yesterday" +"%Y-%m-%d")

stop_varnishncsa

mv /var/log/varnish/varnishncsa.log /var/log/varnish/${_yesdate}.log

start_varnishncsa

}

并增加一个cutlog参数

cutlog)

cutlog

;;

然后执行crontab -e,增加一行记录0 0 * * * /etc/init.d/varnishncsa cutlog,这样就会每天在0点时候自动切割varnish的日志了

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