Just out of curiosity, why aren't you using DNS?
If you were, you could easily map your DNS to a hosts file for speed
and synchronize it regularly.
Alternatively, you could use a custom function on the server to make
it all work for you.
Trevor
On Fri, Feb 27, 2009 at 17:13, Jason Slagle <raist...@tacorp.net> wrote:
>
> Ok, so I figured I'd move this here since IRC isn't the place for it.
>
> Ok, so I have my 40ish servers. Of those, 36 or so of them have hosts
> entries that need to look like this:
>
> 127.0.0.1 localhost
> 172.x.x.x dbprod1.xxx.com dbprod1
> 172.x.x.x mgmt01.xxx.com mgmt01 puppet certmaster
> 172.x.x.x mybox.xxx.com mybox
>
> Where mybox is the name of the box.
>
> The others have a few additional entries.
>
> So, I made a class that creates those hosts entries and I include it on my
> host.
>
> Part of the class does this:
>
> host { "${fqdn}":
> ip => $ipaddress,
> alias => $hostname,
> }
>
> Seems simple enough eh?
>
> The issue comes up with those few exception. In particular on the mgmt01
> box. It blows up because it I end up redefining the host, which is a
> nono.
>
> So - lightbulb goes off in head. I'll add a case to the class that checks
> if the fqdn is one of the ones I manually insert, and if so I'll skip it.
>
> Now to me, this is a bad solution because it puts node specific logic
> inside a class - I think that from a architecture/reusable component/large
> scale perspetive that stuff belongs at the node definition. I guess I
> could just not use my host class on my exception.
>
> So, my next attempt was this:
>
> node mgmt01.xxx.com {
> $extrahosts = ["puppet", "certmaster"]
> include hosts
> }
>
> So, I thought this would work:
>
> if $extrahosts {
> $myhosts = [$hostname, $extrahosts]
> } else {
> $myhost = $hostname
> }
>
> host { "${fqdn}":
> ip => $ipaddress,
> alias => $myhost,
> }
>
> Still have the case to handle the duplicate type, but this allow me to
> specify the extra aliases and handles the rest of my cases.
>
> But, this doesn't work.
>
> It would seem that the above not working in SOME form really limits the
> ability to write modules/classes that work in 90% of the cases and can be
> overridden in the other 10%. This simplifies configuration a lot.
>
> Am I just doing something wrong? Am I crazy? Am I thinking too much like
> a programmer? Do I suck?
>
> Just looking for thoughts?
>
> Jason
>
> --
> Jason Slagle - RHCE
> /"\ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
> \ / ASCII Ribbon Campaign .
> X - NO HTML/RTF in e-mail .
> / \ - NO Word docs in e-mail .
>
>
> >
>
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