Hey Geoff,
I see that as two separate steps (Is Hiera enabled and is Hiera
configured). I think the function satisfies the former, but you might want
to write your own check for the latter (as each person probably interprets
'configured' differently). You could do a check like:
if function_available('hiera') and hiera('hiera_enabled', false) {
<do something with hiera>
} else {
<do something without hiera>
}
This would do a hiera lookup for a parameter 'hiera_enabled' that could be
set in your common/global.yaml file (while defaulting to false if it's not
found).
On Tue, Apr 17, 2012 at 12:09 PM, Geoff Davis <[email protected]> wrote:
> I've found a potential issue, but I'm not sure if this is within the scope
> of function_available or not.
>
> The vagrant basebox I'm using actually does ship with puppet-hiera, but
> there's no /etc/puppet/hiera.yaml
>
> Thus, even though function_available('hiera') returns true, the function
> isn't actually usable:
>
> Hiera config file /etc/puppet/hiera.yaml not readable at
> /tmp/vagrant-puppet/modules-0/staging/manifests/init.pp:31 on node
> centos-6-vagrant.vagrantup.com
>
> Is there a way to check whether the function is actually usable as well?
>
> Geoff Davis
> Scripps Institution of Oceanography
> [email protected], (858) 822-5756
>
>
>
> On Apr 17, 2012, at 11:56 AM, Ken Barber wrote:
>
> I'm going to review this now. Its destined for master, so someone from
> the release team can probably comment on the next major release
> schedule for stdlib.
>
> On Tue, Apr 17, 2012 at 7:35 PM, Geoff Davis <[email protected]> wrote:
>
> That's what I'm looking for. I'll fold in that branch into my testing until
>
> it goes mainline.
>
>
> Any ETA on it going mainline?
>
>
>
> On Apr 17, 2012, at 11:14 AM, Nigel Kersten wrote:
>
>
>
>
> On Tue, Apr 17, 2012 at 11:08 AM, Geoff Davis <[email protected]> wrote:
>
>
> I'm doing some work on module development inside of a Vagrant VM of CentOS
>
> 6.2. This VM has the community version of Puppet installed (2.7.13 I
> think),
>
> but that doesn't include Hiera by default.
>
>
> My module is dependent on Nan Liu's puppet-staging module, which requires
>
> hiera. This puts me into the proverbial chicken and egg problem of not
>
> having a puppet function but also not being able to install it with puppet,
>
> since my manifests don't compile due to the hiera function not being
>
> available.
>
>
> Right now, I'm doing a manual bootstrap of a new vagrant box with a
>
> dedicated Puppet manifest that calls another one of Nan's modules,
>
> puppet-hiera, to install hiera on the Vagrant VM, but I'd rather use the
>
> same manifest for both bootstrap and module testing. I don't care if it
>
> takes two passes to converge, I just don't want a freshly booted Vagrant
> box
>
> to complain because it can't compile it's manifest.
>
>
> Is there a relatively foolproof way to determine if Puppet has a function
>
> available to it or not? Is there a "has_function" function available in the
>
> Puppet DSL, or is there a check that I could roll into a fact that works
>
> cross-platform and between Puppet Enterprise and Community?
>
>
>
> There's a pending pull request in the stdlib module for adding a
>
> function_available function
>
>
> https://github.com/puppetlabs/puppetlabs-stdlib/pull/59
>
>
>
>
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