nginx带宽资源调度脚本

#!/bin/env bash
#Usage: total web pv.
#add crontab
#0 * * * * /usr/local/scripts/download_create_nginx.sh
#add /etc/hosts 10.200.0.20 opscenter.dalegames.com
#http://opscenter.dalegames.com/backend/idcdataapi.php?get
#Created by cs.zhang <liangliang.yu@dalegames.com> 2013-01-09
#Last Modified:

#get nginx weight
idc_api=`curl -s http://opscenter.dalegames.com/backend/idcdataapi.php?get`
#get download data(download1=SHT01,download2=JHT,download3=dnion)
echo ${idc_api} | sed 's/<br>/\n/g' > nginx_weight
download1=`sed -n "/SHT01/p" nginx_weight | awk -F":" '{print $2}'`
download2=`sed -n "/JHT/p" nginx_weight | awk -F":" '{print $2}'`
download3=`sed -n "/dnion/p" nginx_weight | awk -F":" '{print $2}'`

cat > /usr/local/nginx/conf/vhosts/alldownload.dalegames.com.conf << "EOF"
upstream download_control {
server 127.0.0.1:81 weight=ngxdownload1 max_fails=2 fail_timeout=5s;
server 127.0.0.1:82 weight=ngxdownload2 max_fails=2 fail_timeout=5s;
server 127.0.0.1:83 weight=ngxdownload3 max_fails=2 fail_timeout=5s;

check interval=3000 rise=2 fall=5 timeout=1000;
}

server {
server_name alldownload.dalegames.com;
listen 80;

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
access_log /home/logs/nginx/alldownload.dalegames.com.access.log main;
error_log /home/logs/nginx/alldownload.dalegames.com.error.log error;

location / {
valid_referers none blocked *.dalegames.com *.dalegames.net *.dalegames.cn;
if ($invalid_referer){
return 403;
}
proxy_pass http://download_control; }

location ~* \.svn/ {
deny all;
}

}

server {
server_name _;
listen 81;

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;

location / {
rewrite ^(.*)$ http://download1.dalegames.com$1 break; #SHT01
}
}

server {
server_name _;
listen 82;

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;

location / {
rewrite ^(.*)$ http://download2.dalegames.com$1 break; #JHT
}
}

server {
server_name _;
listen 83;

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;

location / {
rewrite ^(.*)$ http://download3.dalegames.com$1 break; #dnion
}
}

EOF

sed -i -e "s/ngxdownload1/${download1}/" /usr/local/nginx/conf/vhosts/alldownload.dalegames.com.conf
sed -i -e "s/ngxdownload2/${download2}/" /usr/local/nginx/conf/vhosts/alldownload.dalegames.com.conf
sed -i -e "s/ngxdownload3/${download3}/" /usr/local/nginx/conf/vhosts/alldownload.dalegames.com.conf

service nginx configtest
if [ $? -ne 0 ]; then echo "Error: nginx conf fault!"; exit 127; fi
service nginx reload

exit 0