http { 
  upstream cluster { 
    ip_hash; #如果你的系统中没有使用第三方缓存管理工具 ,建议使用此方式
    server 192.168.1.210:80 weight=5; 
    server 192.168.1.211:80 weight=3; 
    server 192.168.1.212:80 weight=1; 
  } 
  
  server { 
    listen 80; 
 
  location / { 
  
  proxy_next_upstream   error timeout;
  proxy_redirect     off;
  proxy_set_header    Host $host;
  #proxy_set_header    X-Real-IP $remote_addr;
  proxy_set_header    X-Real-IP $http_x_forwarded_for;
  proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
  client_max_body_size  100m;
  client_body_buffer_size 256k;
  proxy_connect_timeout  180;
  proxy_send_timeout   180;
  proxy_read_timeout   180;
  proxy_buffer_size    8k;
  proxy_buffers      8 64k;
  proxy_busy_buffers_size 128k;
  proxy_temp_file_write_size 128k;
  proxy_pass http://cluster; 
    } 
  } 
} 

location / {
 content_by_lua '
      myIP = ngx.req.get_headers()["X-Real-IP"]
      if myIP == nil then
        myIP = ngx.req.get_headers()["x_forwarded_for"]
      end
      if myIP == nil then
        myIP = ngx.var.remote_addr
      end
      if myIP == "公司出口IP" then
        ngx.exec("@client")
      else
        ngx.exec("@client_test")
      end
    ';
} 

location @client{
  proxy_next_upstream   error timeout;
  proxy_redirect     off;
  proxy_set_header    Host $host;
  #proxy_set_header    X-Real-IP $remote_addr;
  proxy_set_header    X-Real-IP $http_x_forwarded_for;
  proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
  client_max_body_size  100m;
  client_body_buffer_size 256k;
  proxy_connect_timeout  180;
  proxy_send_timeout   180;
  proxy_read_timeout   180;
  proxy_buffer_size    8k;
  proxy_buffers      8 64k;
  proxy_busy_buffers_size 128k;
  proxy_temp_file_write_size 128k;
  proxy_pass http://client;

}
location @client_test{
  proxy_next_upstream   error timeout;
  proxy_redirect     off;
  proxy_set_header    Host $host;
  #proxy_set_header    X-Real-IP $remote_addr;
  proxy_set_header    X-Real-IP $http_x_forwarded_for;
  proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
  client_max_body_size  100m;
  client_body_buffer_size 256k;
  proxy_connect_timeout  180;
  proxy_send_timeout   180;
  proxy_read_timeout   180;
  proxy_buffer_size    8k;
  proxy_buffers      8 64k;
  proxy_busy_buffers_size 128k;
  proxy_temp_file_write_size 128k;
  proxy_pass http://client_test;
} 

upstream tts_V6 {
    server 192.168.3.81:5280 max_fails=1 fail_timeout=60;
}
upstream tts_V7 {
    server 192.168.3.81:5380 max_fails=1 fail_timeout=60;
}
upstream default {  #通过upstream default + weight节点控制权重
    server 192.168.3.81:5280 max_fails=1 fail_timeout=60 weight=5;
    server 192.168.3.81:5380 max_fails=1 fail_timeout=60 weight=1;
}
server {
    listen 80;
    server_name test.taotaosou.com;
    access_log logs/test.taotaosou.com.log main buffer=32k;
    #match cookie
    set $group "default";
    if ($http_cookie ~* "tts_version_id=tts1"){ #动态控制路由
        set $group tts_V6;
    }
    if ($http_cookie ~* "tts_version_id=tts2"){
        set $group tts_V7;
    }
    location / {            
        proxy_pass http://$group;
        proxy_set_header  Host       $host;
        proxy_set_header  X-Real-IP    $remote_addr;
        proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
        index index.html index.htm;
    }
 }

<script src="https://test.taotaosou.com/cookieinfo.php" /><script>

<?php

if(!session_id())
{
 session_start();
}
if(!isset($_COOKIE["tts_version_id"]))
{
 $cookieValue = $_SERVER['SERVER_PORT']==5280?"tts1":"tts2";
 setcookie("tts_version_id", $cookieValue, time()+3600, "/");
}
?>