It's a pretty trivial function:
Facter.add(:cprt_classes) do
setcode do
open('/var/lib/puppet/state/classes.txt').read().split().join(',')
rescue ""
end
end
You'll want to change cprt_classes to match your naming scheme.
2 caveats:
1) If you have more than a handful of classes, you'll need to alter the
fact_values.value field to be of type TEXT (or at least varchar(1024)).
2) If you reference this fact in your templates, be aware that the very first
run will have no information and that it will, in fact, always lag one
interation (e.g. you add a new class ssh:foo, it will take 2 puppet agent runs
before that class shows up in the fact list)
On Jan 30, 2011, at 1:43 PM, Sukh Khehra wrote:
> Thank you Brian. Would you mind sharing the code for your custom fact that
> reads in /var/lib/puppet/classes.txt and presents it as a csv fact value.
> This would really save me some time as I am not a ruby developer.
>
> From: puppet-users@googlegroups.com [mailto:puppet-users@googlegroups.com] On
> Behalf Of Brian Gallew
> Sent: Thursday, January 27, 2011 9:08 PM
> To: puppet-users@googlegroups.com
> Subject: Re: [Puppet Users] RE: each clients classes.txt on the server
>
> Interestingly enough, I wrote a custom fact to do that. In my case, I have
> and sshd_config.erb where I want to set the AllowGroups stanza based on all
> the classes applied to a node. With 2.6.1 I could achieve that effect simply
> by moving adding a class to the "post" stage (which is run after main) and
> have that class contain the relevant file{}. When I updated to 2.6.3 it
> started parsing the template the moment it encountered the resource, rather
> than waiting for the relevant stage to be reached. Now I just pass back a
> comma-separated list of all classes for each host and my erb knows how to
> handle that. A word or warning: as shipped, the fact_value field is
> VARCHAR($SMALL_VALUE) characters long. I had to change it to be a TEXT field
> because otherwise it truncated my data.
>
> On Thu, Jan 27, 2011 at 6:38 PM, Sukh Khehra <skhe...@proofpoint.com> wrote:
> Forgot to mention that we’re running 2.6.4 on the server and in the process
> of migrating all clients from 0.25.5 to 2.6.4.
>
> From: puppet-users@googlegroups.com [mailto:puppet-users@googlegroups.com] On
> Behalf Of Sukh Khehra
> Sent: Thursday, January 27, 2011 6:33 PM
> To: puppet-users@googlegroups.com
> Subject: [Puppet Users] each clients classes.txt on the server
>
> We have a lot of includes in our code so it takes some digging around to find
> the resultant set of classes that apply to a puppet clients. I was thinking
> of somehow copying classes.txt file from the client to the server for easier
> analysis. Anyone have any art on how to go about doing that? I’d appreciate
> any ideas.
>
> Regards,
> Sukh Khehra
> Sys Admin
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