[ic] perl in interchange.cfg or catalog.cfg?
cfm@maine.com
cfm@maine.com
Fri, 4 May 2001 15:14:05 -0400
On Fri, May 04, 2001 at 02:03:39PM -0400, bill@worldwideimpact.com wrote:
> Check out
> http://www.modperl.com/book/chapters/ch8.html#Configuring_Apache_with_Perl
> That is how I am configuring Apache. I am using exim for MTA which
> provides a means to do sql in it's configuration files. I want to keep all
> of my configuration in the mysql database for apache,exim,bind and ic. I
> am building a ui to the database using ic. I will have a central web based
> control center for all of my virtual domains and the services provided for
> each.
>
> I made a hack to Vend/Config.pm around line 1031 link this:
>
> if (-f $configfile) {
> if ($configfile =~ /\.pl$/) {
> open(GLOBAL, "$configfile 2>/dev/null |");
> } else {
> open(GLOBAL, "< $configfile");
> }
> }
> unless (-f GLOBAL || -p GLOBAL)
>
> basically if I #include a file in interchange.cfg that ends in .pl run the
> command on the system and catch STDOUT. This works but I'd prefer a way
> that doesn't involve a change to the code. I just couldn't find out how.
There is nothing wrong with hacking the code. Do, however, try to keep your
hacks small and well organized so you can minimize the patches and pain
of upgrading.
We did look at doing what you write about but abandoned it. Even if we
configured from sql there was still a requirement to create directory
structures and pages. We did not want that so instead we now build
"sub catalogs" within an existing catalog. While those sub-catalogs
are entirely dynamic they use the directory structure of the "master"
catalog.
>
> Bill Carr
> Worldwide Impact
> bill@worldwideimpact.com
> 413.253.6700
>
>
>
>
> Dan B <db@cyclonehq.dnsalias.net>
> Sent by: interchange-users-admin@lists.akopia.com
> 05/04/2001 12:53 PM
> Please respond to interchange-users
>
>
> To: interchange-users@lists.akopia.com
> cc:
> Subject: Re: [ic] perl in interchange.cfg or catalog.cfg?
>
>
> At 09:38 AM 5/4/2001 -0700, you wrote:
> >At 11:28 AM 05/04/2001 -0400, you wrote:
> >>Is there an easy way to embed perl in the interchange.cfg or catalog.cfg
> >>files similar to <perl> sections in httpd.conf (apache/mod_perl)? I am
> >>trying to link my interchange configuration with my mysql database. I
> >>found a way but it involved making changes to Vend/Config.pm. I am using
> >>4.7.1.
> >>
> >>Bill Carr
> >>Worldwide Impact
> >>bill@worldwideimpact.com
> >>413.253.6700
> >
> >Hmmm...take a look at the docs on User defined tags, and also the
> >Globalsub directive for interchange.cfg (Config docs).
> >
> >You've lost me (and no doubt others) with 'link my interchange
> >configuration with my mysql database' - Interchange supports mySQL for
> >databases via the Perl DBI - did you read the docs for 'Interchange
> Database'?
>
> I think what Bill is trying to do sounds interesting, e.g.:
> (psuedocode)
> Catalog.cfg:
> [perl]
> if (date() == Tuesday){
> query_msyql("SELECT catalog_cfg FROM
> catalogs_config_files
> WHERE use_date="tuesday");
> }
> return results;
> [/perl]
>
> Which would allow you to use a given set of configuration depending on
> arbitrary perl code (such as database contents via the day of the week).
>
> There's probably a way to do this already, but I don't know it.
>
> Dan Browning, Cyclone Computer Systems, danb@cyclonecomputers.com
>
>
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>
>
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Christopher F. Miller, Publisher cfm@maine.com
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