Load balancing using weight with nginx

nginx-lb.conf

#
#
# moche car on fait une 2nd req HTTP
# mais ça doit fonctionner nickel
#
#

upstream lb {
  server 127.0.0.1:1111/1a/ weight=3;
  server 127.0.0.1:1111/1b/ weight=2;
  server 127.0.0.1:1111/1c/ weight=5;
  server 127.0.0.1:1111/1d/ weight=1;
  server 127.0.0.1:1111/1e/ weight=5;
}

http {
  listen 160.92.1.1:80;
  server_name webmail.orange.fr;

  location / {
    proxy_pass http://lb;
  }
}

http {
  listen 127.0.0.1:1111;

  location ~ ^/([^/]+)/(.*)+ {
    rewrite . http://webmail$1.orange.fr/$2 redirect;
  }
}



#
#
# Dans ce cas on va faire du lua, simple
#
#

http {
  listen 160.92.1.1:80;
  server_name webmail.orange.fr;

  set_by_lua $lb "
    local t = { '1a', '1a', '1b', '1b', '1b', '1b', '1c', '1c', '1c', '1c', '1c' }
    return(t[ math.random( #t ) ])
  ";
  rewrite . http://webmail$lb1$lb2.orange.fr$request_uri redirect;
}