This is cool, though I realise that it's a (self confessed) opinionated
module design, the only thing that really stands out for me is that it
follows a rather old, and limited, 'params.pp' pattern. There is no place
for Hiera in this model without hard coding hiera lookup functions in the
classes. Personally I think a 'defaults.pp' pattern is more sensible in
todays Puppet.
Eg:
class base (
$parameter = $base::defaults::$parameter
) inherits base::defaults {
...
}
class base::defaults {
$parameter = $logic ? {
'foo' => 'bar'
}
}
Your classes can then look up values as $base::parameter. This allows the
module to default (rather than dictate) attributes based on whatever logic
you want to implement but allows the implementer to override the values
either at the resource declaration or using Hiera data mapping for
base::parameter.
Regards
Craig
On Wed, Feb 5, 2014 at 5:38 PM, Gareth Rushgrove
<[email protected]>wrote:
> This came up in discussion a couple of times at the Puppet contributor
> summit at Config Management Camp in Gent over the last couple of days
> so I thought I'd write up.
>
> A while ago I put together a pretty complete/opinionated skeleton for
> puppet modules. Especially if you're not too familiar with ruby or the
> ruby ecosystem, or just getting started with testing it should be a
> useful starting point.
>
> https://github.com/garethr/puppet-module-skeleton
>
> I've added a bunch more features (including a Guardfile, resource
> coverage and support for Beaker integration tests) and got round to
> writing up a blog post about what and why:
>
> http://www.morethanseven.net/2014/02/05/a-template-for-puppet-modules/
>
> Hopefully it's useful to a few people. Any features or issues let me know.
>
> Gareth
>
> --
> Gareth Rushgrove
> @garethr
>
> devopsweekly.com
> morethanseven.net
> garethrushgrove.com
>
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