I think I solved my own problem. Now things look like this. I can still do
specific node overrides, but this seems to do what I'm hoping for.
If there's a better way to do this sort of thing I'm happy to be corrected.
class general {
include dsh
include getty
include grub
include ntp
include postfix
include ssh
include sudo
include sysadmin
}
node default {
$role = inline_template('<%= hostname.sub(/\w+-([a-z]+)\d*/){$1} %>')
include general
}
On Mon, Feb 7, 2011 at 4:46 PM, Joe Gross <jgr...@stimpy.net> wrote:
> Hi all,
>
> I'm new to puppet put did a lot with cfengine2 at my last gig. I'm using
> v0.25.4 (default) on Ubuntu Lucid but can upgrade to 2.6 if necessary.
>
> I have a few hundred (with more on the way) machines in a new datacenter. I
> have about a dozen classes of hosts, designated by <dc>-<function><n>, so
> for example:
>
> sjc-web29
> sjc-db35
> sjc-smtp3
>
> My nodes.pp is super-simple this way:
>
> node default {
> include dsh
> include getty
> include grub
> include ntp
> include postfix
> include ssh
> include sudo
> }
>
> This worked really well in cfengine, allowing me to keep decisions
> self-contained within individual modules. I'm trying to do the same with
> puppet without any luck so far. Ideally I'd do something like:
>
> $role = inline_template("<%= %x{/bin/hostname | /bin/sed -re
> 's/.*\-(\w+)[0-9]/\1/g'} %>")
> tag("type_${role}")
>
> And then do if tagged("role_smtp") within the modules. This keeps my high
> level simple in that I just call modules and they do the right thing.
>
> The problem is this doesn't seem to work. It seems that $role and the tags
> never get set, even if I try to set them manually so I'm clearly doing
> something fundamentally wrong.
>
> Has anyone done this type of setup where all the decisions are made within
> the modules themselves based on parts of a hostname or tags? I'm happy to
> provide more information or post more bits of my config if needed.
>
> Thanks!
>
> Joe
>
>
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