Bulk purge Nginx cache with shell script

Improve web site speed experience in addition to its own web site program optimization, for LINUXSA, there are a lot of work to do, optimize the system kernel, adjust the parameters of the Web server, optimize the database, increase the Web site architecture cache, and so a series of work.

For Web caching, the current mainstream HTTP accelerator is mainly varnish, nginx_proxy, squid, etc., with the Nginx Web high-speed reverse proxy by the use of large and medium-sized Web sites, its integrated caching function (NGINX_PROXY) is increasingly powerful, At present, enterprises are also used in large quantities. Today we'll look at how the Nginx_proxy cache works to clean up. Use the shell script to automate the cleanup, as follows:

#! /bin/sh

#Auto clean Nginx Cache Shell Scripts

#2013 -06-12 WUGK

#Define Path

cache_dir=/data/www/proxy_cache_dir/

File= "$*"

#To determine whether the input script,if not, then exit to determine if the script has input, does not enter and then exits

If

["$#"-eq "0"];then

echo "Please insertclean Nginx cache File, Example: $ index.html index.js"

Sleep 2 && exit

Fi

echo "The file: $FILEto be clean nginx Cache, please waiting ..."

#Wrap processing for the "input" file, for grep lookup, a newline of the entered files, which facilitates grep lookup matching related content

For i in ' echo $FILE |sed ' s//n/g '

Todo

Grep-ra $i ${cache_dir}| Awk-f ': ' {print $} ' >/tmp/cache_list.txt

For J. ' Cat/tmp/cache_list.txt ' do

RM-RF $j

echo "$i $j is deletedsuccess!"

Done

Done

#The Scripts exec Success and exit 0

Following is a screenshot of the execution of the purge script: