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From: Tom Evans <tevans.uk@googlemail.com>
To: users@httpd.apache.org
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Subject: Re: [users@httpd] Running script from configuration file of Apache2

On Wed, Apr 21, 2010 at 11:24 AM, Petr Hracek <phracek2@gmail.com> wrote:
> Hello *,
>
> I would like to ask you on the one interesting think:
> I need to=C2=A0proxy the requests to the specified url to a=C2=A0dynamica=
lly generated
> address.
> Instead of:
> <Location "/CAP/">
> =C2=A0=C2=A0=C2=A0 ProxyPass=C2=A0 http://192.0.2.25:8080/CBAdmin/
> =C2=A0=C2=A0=C2=A0 ProxyPassReverse=C2=A0=C2=A0=C2=A0 http://192.0.2.25:8=
080/CBAdmin/
> =C2=A0=C2=A0=C2=A0 ProxyPassReverseCookiePath /CBAdmin /CAP
> =C2=A0=C2=A0=C2=A0 Order Allow,Deny
> =C2=A0=C2=A0=C2=A0 Allow from all
> </Location>
> There should be something like that instead of IP address there will
> be a script like generate_forward_address
>
> I think that the mod_macro is not helpful here. I also=C2=A0cannot use
> RewriteRule [P] which has more possibilities because I need the
> ProxyPassReverse as well.
>
> Do you have any idea how to solve it?
>

That is incorrect; ProxyPassReverse does not require ProxyPass, and is
more than happy to work with RewriteRule ... [P].

You can't do it with scripts, but you should be able to do it with a
RewriteRule, and multiple ProxyPassReverse, one for each backend you
could redirect to.

Actually you could do it with a script, using a program map to
generate the rewrite. I've never used this myself, it looks like it
might impact performance a bit to me.

Cheers

Tom

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