I solved this in a similar manner. I wrote a custom fact (which essentially
returned /var/lib/puppet/state/classes.txt) and then a custom function that
generated a list of hostgroups based on that.
On Wed, Jun 8, 2011 at 6:47 AM, Chris Phillips <ch...@untrepid.com> wrote:
>
>
> On 8 June 2011 13:30, Martijn Grendelman <mart...@iphion.nl> wrote:
>
>> Hi,
>>
>> > i want to archive the following:
>> >
>> > i define an exported ressource for HostX to be monitored in nagios:
>> >
>> > @@nagios_host { $fqdn:
>> > ensure => present,
>> > alias => $hostname,
>> > address => $ipadress,
>> > use => "generic-host",
>> > hostgroups => ubuntu,
>> > target => $icingahostfile,
>> > }
>> >
>> > That fine and works as expected and HostX is in hostgroup ubuntu.
>> > HostX has included a class ssh which installs the ssh services and
>> > configures them. Inside this class i want to define that HostX is also
>> in
>> > hostgroup ssh-server.
>> > And another class, which puts the node in another environment => there i
>> > want to define, that HostX is in hostgroup testing-server and so on.
>> > How do i archive that? How must the definition inside all these classes
>> > look like?
>>
>> That's a lot more difficult than you might expect.
>>
>> I recently solved it, by collecting all the necessary hostgroups for a
>> host in a file using 'concat', and creating a custom fact (hostgroups)
>> that joins all the lines in the hostgroups-file together, for use with
>> nagios_host's hostgroups parameter.
>>
>> The biggest drawback is that it takes two puppet runs on the target (first
>> one for populating the hostgroups-file, so that the custom fact is set
>> properly on the second run) before the nagios server can collect the
>> exported hosts, so it takes a while.
>>
>>
> Well that's mad... I literally just was about to ask the exact same
> question after a month of wondering...
>
> so where do you put this fact? Sounds like it is on the nagios "client"
> side, which makes sense in terms of pulling it out, but how does it get in
> there in the first place? Can you show how this file on each client is
> managed? That seems to be the only bit I'm not clear on. Are you just
> putting in a single word for each class? Are you at all able to manage the
> class being removed from the client? Would you need to routinely purge the
> file? have a initial stage class that wipes the file?
>
> Thanks
>
> Chris
>
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