Forum: NGINX proxy_cache_key

Hello, I want to generate the file path of proxy cached data from the
proxy_cache_key variable. Is there some pseudo-code to generate the
same hash as nginx does internally?

Or would it be possible to make the generated cache_key available as a
loggable variable?

With regards,

__Janko

The documentation for the  proxy_cache_path directive of the 
NginxHttpProxyModule  states that the "Key and filename in cache is md5 
of proxied URL". Here is an example:

a user requests:
    http://nginx.foo.com/bar.html

nginx has the proxy_pass directive:
    proxy_pass  http://apache.foo.com/

the cached filename will be the md5 of:
    http://apache.foo.com/bar.html

This worked for me when using the default proxy_cache_key with nginx 
0.7.62

Posted at Nginx Forum: 
http://forum.nginx.org/read.php?2,61057,67641#msg-67641