相信做过awstats的都用过开源的geoip.dat ip数据库，刚好nginx wiki上有geoip 模块，这样就可以实现地区性的负载均衡，但是maxmind 的ip数据库对中国的支持不算太好，不过现在也不错了~
说下我的环境，我有一台美国linux 服务器，一台美国的windows 2003 ,一台本的XP。机器，其他测试用户都是，QQ群里的朋友，好了开始测试
linux : 75.125.x.x //美国
win2003 : 74.55.x.x // 美国
XP ：localhost // 北京
测试转发，美国用户~转发到 www.google.cn
电信转发到 我的一台 公网的 apache 默认页面
网通转发到 我的一台 公网业务服务器！！
1.下载安装nginx.
shell $> get http://sysoev.ru/nginx/nginx-0.8.13.tar.gz
shell $> tar zxvf nginx-0.8.13.tar.gz
shell $> cd nginx-0.8.13
shell $>apt-get install libgeoip-dev
shell $> ./configure --prefix=/usr/local/nginx --with-http_flv_module --user=www --group=www --with-http_gzip_static_module --with-http_geoip_module
shell $> make
shell $> make install
2.下载GeoLiteCity.dat.gz 数据库~
shell $> gzip -d GeoLiteCity.dat.gz
shell $> mv GeoLiteCity.dat /usr/local/nginx/conf/GeoLiteCity.dat
3.修改配置文件实现 地区性质负载
shell $> cd /usr/local/nginx/conf
shell $> cat nginx.conf
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
geoip_city GeoLiteCity.dat;
upstream wangtong {
server 59.151.X.X;
}
upstream dianxin {
server 75.125.X.X;
}
upstream USA {
server www.google.cn;
}
server 59.151.X.X;
}
upstream dianxin {
server 75.125.X.X;
}
upstream USA {
server www.google.cn;
}
sendfile on;
keepalive_timeout 65;
server {
listen 80;
server_name 75.125.197.200;
root html;
index index.html index.htm;
location / {
if ($geoip_region ~ "(01|02|03|04|06|07|11|13|14|15|16|21|23|29|30|31|32|33)") {
proxy_pass http://dianxin$request_uri;
}
if ($geoip_region ~ "(05|08|09|10|12|17|18|19|20|24|25|26)") {
proxy_pass http://wangtong$request_uri;
}
if ($geoip_city_country_code ~ "US") {
proxy_pass http://USA$request_uri;
}
if ($geoip_region ~ "(01|02|03|04|06|07|11|13|14|15|16|21|23|29|30|31|32|33)") {
proxy_pass http://dianxin$request_uri;
}
if ($geoip_region ~ "(05|08|09|10|12|17|18|19|20|24|25|26)") {
proxy_pass http://wangtong$request_uri;
}
if ($geoip_city_country_code ~ "US") {
proxy_pass http://USA$request_uri;
}
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
}
4.测试，用不同地方的机器做测试~
我是北京用户，访问
我是北京用户访问的是默认页面是因为我没有 把 22 数字填加到 配置文件里。我是为了方便测试！大家要是用在生产上要把 22加到
if ($geoip_region ~ "(05|08|09|10|12|17|18|19|20|24|25|26)")
没有匹配到，就访问了默认页面~~
成都朋友帮忙访问：
广州的朋友帮忙访问：
河北朋友帮忙访问：
美国 win2003 访问：
直接访问 电信的 服务器 和 网通服务器
59.151.X.X; 75.125.X.X;
直接访问 网通 59.151.X.X
直接访问 电信服务器 75.125.X.X
下面我来解释一下
if ($geoip_region ~ "(01|02|03|04|06|07|11|13|14|15|16|21|23|29|30|31|32|33)")
这些数字代表的是中国省份地区~~
表如下：
CN,01,"Anhui"
CN,02,"Zhejiang"
CN,03,"Jiangxi"
CN,04,"Jiangsu"
CN,05,"Jilin"
CN,06,"Qinghai"
CN,07,"Fujian"
CN,08,"Heilongjiang"
CN,09,"Henan"
CN,10,"Hebei"
CN,11,"Hunan"
CN,12,"Hubei"
CN,13,"Xinjiang"
CN,14,"Xizang"
CN,15,"Gansu"
CN,16,"Guangxi"
CN,18,"Guizhou"
CN,19,"Liaoning"
CN,20,"Nei Mongol"
CN,21,"Ningxia"
CN,22,"Beijing"
CN,23,"Shanghai"
CN,24,"Shanxi"
CN,25,"Shandong"
CN,26,"Shaanxi"
CN,28,"Tianjin"
CN,29,"Yunnan"
CN,30,"Guangdong"
CN,31,"Hainan"
CN,32,"Sichuan"
CN,33,"Chongqing"
CN,02,"Zhejiang"
CN,03,"Jiangxi"
CN,04,"Jiangsu"
CN,05,"Jilin"
CN,06,"Qinghai"
CN,07,"Fujian"
CN,08,"Heilongjiang"
CN,09,"Henan"
CN,10,"Hebei"
CN,11,"Hunan"
CN,12,"Hubei"
CN,13,"Xinjiang"
CN,14,"Xizang"
CN,15,"Gansu"
CN,16,"Guangxi"
CN,18,"Guizhou"
CN,19,"Liaoning"
CN,20,"Nei Mongol"
CN,21,"Ningxia"
CN,22,"Beijing"
CN,23,"Shanghai"
CN,24,"Shanxi"
CN,25,"Shandong"
CN,26,"Shaanxi"
CN,28,"Tianjin"
CN,29,"Yunnan"
CN,30,"Guangdong"
CN,31,"Hainan"
CN,32,"Sichuan"
CN,33,"Chongqing"
GeoLiteCity.dat 更多变量请看 wiki 我这里只用到两个变量一个是$geoip_region 一个是$geoip_city_country 第一个是 地区，第二个变量是国家只取 两个字母简写！
geoip_city
syntax: geoip_city path/to/db.dat;
default: none
context: http
The directive indicates the path to the .dat file used for determining countries, regions and cities from IP-address of the client. When set the module makes available the following variables:
- $geoip_city_country_code; - two-letter country code, for example, "RU", "US".
- $geoip_city_country_code3; - three-letter country code, for example, "RUS", "USA".
- $geoip_city_country_name; - the name of the country, for example, "Russian Federation", "United States".
- $geoip_region; - the name of region (province, region, state, province, federal land, and the like), for example, "Moscow City", "DC".
- $geoip_city; - the name of the city, for example, "Moscow", "Washington".
- $geoip_postal_code; - postal code.
PS: 我只是根据南方电信，北方网通来区分的~~ 我是北京用户访问的是默认页面是因为我没有 把 22 数字填加到 配置文件里。我是为了方便测试！大家要是用在生产上要把 22加到
if ($geoip_region ~ "(05|08|09|10|12|17|18|19|20|24|25|26)")
网通里~ 不过 开源的 geoip 还是有些不准确的~~~只能给他 75 分~~
