On Thu, Sep 17, 2015 at 3:00 PM, jcbollinger <[email protected]> wrote:
>
>
> On Wednesday, September 16, 2015 at 7:39:32 AM UTC-5, Sans wrote:
>>
>> Hi there,
>>
>> I got to solve a "rare" issue here which I'm running out of ideas for. In
>> our manifest, we do some conditional git pull (using vcsrepo forgemodule)
>> based on a Hiera variable that set either true or false. We keep the value
>> as false i.e. no git-pull by default but want to set it true, on the fly
>> temporarily for onetime run. Is there anyway to override hiera value when
>> running puppet agent from the command-line on the run-time?
[snip]
>
>
> It's unclear from where you want to control this one-off behavior
> alteration. If from the target node, then you want to rely on a custom
> fact. There are several ways to write a fact whose value you can easily
> influence at run time, and there are many ways you can condition the
> declarations in your manifests and the data retrieved from Hiera on the
> value of a given fact.
It's can be done easier than that, although facts is the right
track... You don't actually have to create a fact, you could just
test for the existence of it...
class mything (
$pull_repo, # sourced from hiera mything::pull_repo
) {
$do_pull = $::pull_repo ? {
undef => $pull_repo,
default => $::pull_repo,
}
}
Note the use of top level scoping there - by default $::pull_repo will
be undef and the value from hiera used, you can then dynamically
create your fact on the fly by calling puppet agent with...
FACTER_pull_repo=yes puppet agent -t
Im not sure how you would tie that into the mcollective job, but it
shouldn't be too hard....
Craig
--
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