Puppet users - Jun 2008 - Editing /etc/redhat-release pre and post rpm installation

HP''s management tools have a specific requirement -
/etc/redhat-release must contain the official RHEL release line, so
the CentOS one upsets the RPM installer.

I had the bright (?) idea of using replace
(http://reductivelabs.com/trac/puppet/wiki/Recipes/SimpleText) in the
following manner:
    replace {
        "ins_centos_release":
            file        => "/etc/redhat-release",
            pattern     => "Red Hat Enterprise Linux Server release 5
(Tikanga)",
            replacement => "CentOS release 5 (Final)";
        "ins_rhel_release":
            file        => "/etc/redhat-release",
            pattern     => "CentOS release 5 (Final)",
            replacement => "Red Hat Enterprise Linux Server release 5
(Tikanga)";
    }
    package {
        "tg3":
            ensure  => present;
        "hpsmh":
            ensure  => present,
            require => [Replace[ins_rhel_release], Package[tg3] ],
            notify  => [Replace[ins_centos_release]];
    }

However, my client-side logs say:
notice: Starting catalog run
notice: //Node[lhm-srv-psql02]/hp_managed/Package[hpsmh]/ensure: is
absent, should be present (noop)
info: //Node[lhm-srv-psql02]/hp_managed/Package[hpsmh]: Scheduling
refresh of Exec[/usr/bin/perl -pi -e ''s/Red Hat Enterprise Linux
Server release 5 (Tikanga)/CentOS release 5 (Final)/''
''/etc/redhat-release'']

which tells me that the requirement of ins_rhel_release isn''t being
used properly (or in the manner I''m aiming for).  I''ve tried
moving
the require and notify to a before and after on the Replace
statements, but get in my puppetmaster logs:
Jun 20 15:34:33 lhm-srv-puppetmaster puppetmasterd[6036]: Invalid
parameter ''after'' for type ''Replace'' at
/etc/puppet/manifests/classes/hp_managed.pp:61 on node lhm-srv-psql02

So, other than creating two puppetmaster filestore files for
release-centos and release-redhat, how can I make this work?

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2008/6/20 Duncan Hill <bajandude@googlemail.com>:
>        "ins_rhel_release":
>            file        => "/etc/redhat-release",
>            pattern     => "CentOS release 5 (Final)",
>            replacement => "Red Hat Enterprise Linux Server release
5
> (Tikanga)";
>    }
>    package {
>        "tg3":
>            ensure  => present;
>        "hpsmh":
>            ensure  => present,
>            require => [Replace[ins_rhel_release], Package[tg3] ]
>    }
The solution to this one turned out to be a bit silly in the end.
Made the pattern line ''CentOS release 5 \(Final\)'', and
suddenly the
world lit up with:
notice:
//Node[lhm-srv-app01]/hp_managed/Replace[ins_rhel_release]/Exec[/usr/bin/perl
-pi -e ''s/CentOS release 5 \(Final\)/Red Hat Enterprise Linux Server
release 5 (Tikanga)/'' ''/etc/redhat-release'']/returns:
executed
successfully

Gotta love gotchas.

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2008/6/23 Duncan Hill <bajandude@googlemail.com>:
> The solution to this one turned out to be a bit silly in the end.
> Made the pattern line ''CentOS release 5 \(Final\)'', and
suddenly the
> world lit up with:
> notice:
//Node[lhm-srv-app01]/hp_managed/Replace[ins_rhel_release]/Exec[/usr/bin/perl
> -pi -e ''s/CentOS release 5 \(Final\)/Red Hat Enterprise Linux
Server
> release 5 (Tikanga)/''
''/etc/redhat-release'']/returns: executed
> successfully
And yet another self-reply.  this doesn''t work perfectly, and actually
makes Puppetmaster throw a few warnings:
Jun 24 11:10:04 lhm-srv-puppetmaster puppetmasterd[29577]:
Unrecognised escape sequence ''\)'' in file
/etc/puppet/manifests/classes/hp_managed8.pp at line 54

Despite the chaining requests with notify and require, the node
constantly executes the pair of Execs as well, which is kind of
annoying.

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