proxy + rewrite

[Cliff Wells]

On 03/05/2012 02:46 PM, Alex Alex wrote:
> Hi all,
>
> I'm new with NGINX. What I want to do is a front reverse proxy server
> that rewrites URL.
>
> I actually can make it working with one site, but not with many sites.
>
>
> On my real server:
>
> https://srvabc:1234/mypath/ goes
> https://srvabc:1234/mypath/connexion.do?action=init
>
> and on my NGINX server:
>
> https://www.mynxinx/abc goes
> https://www.mynxinx/abc/connexion.do?action=init
>
> What is not working is to have https://www.mynxinx/def going on another
> server like https://srvdef:4567/anothermypath/
>
> I tried many configurations and the most simple one seems to be the one
> using the request_uri without the / at the beginning (I also tried
> directly with proxy_pass  https:/$request_uri;):
>
> upstream abc  {
>        server srvabc:1234 weight=10 max_fails=3 fail_timeout=30s;
> }
>
> upstream def  {
>        server srvdef:4567 weight=10 max_fails=3 fail_timeout=30s;
> }
>
> server {
> listen       443 ssl;
>      server_name  mynxinx;
>
>      ssl                  on;
>      ssl_certificate      /etc/nginx/cert.pem;
>      ssl_certificate_key  /etc/nginx/cert.key;
>
>      ssl_session_timeout  5m;
>
>      ssl_protocols  SSLv2 SSLv3 TLSv1;
>      ssl_ciphers  HIGH:!aNULL:!MD5;
>      ssl_prefer_server_ciphers   on;
>
>      location / {
>
> if ($request_uri ~* ^/(.*)$) {
>    set $request_key $1;
> }
>
>
>    rewrite /abc /mypath;
>    rewrite /def /anothermypath;
>
>    proxy_pass         https://$request_key;
>          proxy_redirect     off;
>
>          proxy_set_header   Host             $host;
>          proxy_set_header   X-Real-IP        $remote_addr;
>          proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
>
> }
> }
>
> What's wrong my my configuration?
>

Instead of this way, consider using the map directive:

http://wiki.nginx.org/HttpMapModule

The example in the synopsis seems very similar to what you are trying to 
achieve.

Regards,
Cliff