简单清除前端缓存脚本
环境一：nginx作为CDN前端缓存，清除各地区缓存机上所有域名下的图片文件缓存
脚本：clear.sh
#!/bin/sh
#---CDN cache host list---
cat >>/tmp/iplist.txt <<EOF
61.x.x.x
45.x.x.x
122.x.x.x
EOF
#---purge cache script send to all CDN server---
for ip in `cat /tmp/iplist.txt`
do
ping -w 1 -c 1 $ip >/dev/null
if [ $? -eq 0 ]
then
scp /tmp/nginx-clear.sh root@$ip:/tmp
ssh $ip "sh /tmp/nginx-clear.sh &&rm -f /tmp/nginx-clear.sh"
else
echo "$ip host is not exist or network is no connect,continue next host...."
fi
done引用的脚本nginx-clear.sh
#!/bin/sh
#-----clear jpg type cache----
cache_path="/data/proxy_cache_dir"
grep -a -r jpg $cache_path |strings |awk -F: '{print $3}' |sed 's/^ //g'| awk 'BEGIN{FS=OFS="/"}$1="http://"$1OFS"purge"' >>/tmp/cachelist.txt
localip= `ifconfig eth0|awk -F'[ |:]+' '/inet addr/{print $4}'`
cat >>/etc/hosts <<EOF
$localip imgtu.aa.net
$localip imgtu.bb.com
$localip imgtu.cc.com
$localip imgtu.dd.com
EOF
for url in `cat /tmp/cachelist.txt`
do
curl $url
if [ $? -eq 0 ]
then
echo "$url is not clean,failure,please check......"
fi
done环境二：清除指定域名和目录路径下的缓存
#!/bin/bash #---source host take out the directory path for each in /var/wwwroot/imgtu.xxx.net/web/uploads/content/201303/*/* do echo "$each" >>/tmp/test0417 done #!/bin/bash #----------clean cache script---------- cat >>/tmp/iplist.txt <<EOF 61.x.x.x 45.x.x.x 122.x.x.x EOF echo "please input you need clean domainname:" read domainname URL=`cat /tmp/test0417 |sed 's:/var/wwwroot/:http\://:g' |sed 's:/web:\:81/purge:g'` for host in `cat /tmp/iplist.txt` do echo "$host $domainname" >>/etc/hosts for i in $URL curl $i done done
