disable "proxy store" on "?start=1" param

[Maxim Dounin]

Hello!

On Mon, Aug 11, 2014 at 02:13:53PM -0400, double wrote:

> Hello,
> 
> Is there a good way to disable "proxy_store", if the parameter "start=" is
> set?
> The down below configuration works, but I get an error message:
> "[crit] ... open()  "/dev/null.0000000004" failed (13: Permission denied)
> while reading upstream ..."
> Using "set $proxy_store off;" won't work, because it is handles as a
> string.

Try something like this instead:

    location /store/ {
        if ($arg_start) {
            rewrite ^/store/(.*) /nostore/$1 last;
        }

        proxy_pass ...
        proxy_store on;
    }

    location /nostore/ {
        # no proxy_store here
        proxy_pass ...
    }

-- 
Maxim Dounin
http://nginx.org/