OK thanks, this helped a lot, and finally with puppet 2.7.9 the 'undef' as
a default value worked.
On Tue, Jan 17, 2012 at 3:59 PM, jcbollinger <john.bollin...@stjude.org>wrote:
>
>
> On Jan 17, 4:34 am, Antidot SAS <antidot...@gmail.com> wrote:
> > Hi everyone,
> >
> > Is there a way to handle default setting easily, let me explain, I want
> to
> > create a user but if the uid is specified I would to use it as follow:
> >
> > ---
> > class user::create ($uid='' ) {
> > user { "$name":
> > ensure => present,
> > uid => "$uid",}
> >
> > ---
> >
> > Or am I forced to used the following code:
> >
> > ---
> > class user::create ($uid='' ) {
> > user { "$name":
> > ensure => present,
> >
> > }
> >
> > if $uid { User["$name"] { uid => "$uid", }
> >
> > ---
>
>
> Unless you want to limit your self to a maximum of one managed User
> per node, you'll want a definition rather than a class. You also need
> to understand that the empty string is a string value like any other,
> and assigning it as a resource property is very different from
> assigning no value. The latter is expressed via the keyword "undef",
> which must be written without the quotes to have that meaning.
>
> Also, I'm not sure whether this is true in the latest Puppet versions,
> but it used to be that you could not set undef as a parameter's
> default value. For cases such as yours, then, one would typically use
> code similar to this:
>
> define user::create ($uid = '') {
> user { "$name":
> ensure => present,
> uid => $uid ? { '' => undef, default => $uid }
> }
> }
>
>
> John
>
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