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Which variables are defined in hiera?

asked 2013-04-20 08:05:20 -0500

deric gravatar image

Is there a way how to dump all variables available to hiera in run-time? And which variables are provided by default?

I've seen in some examples using %{fqdn} or %{hostname} but it doesn't work for my environment.

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answered 2013-04-20 09:53:30 -0500

jonn gravatar image

updated 2013-04-21 06:46:00 -0500

These variables are made available to hiera at runtime; the variables that are available depends on how you are running hiera.

If you're running hiera via Puppet, the variables will be the current set of facts (plus Puppet built-in variables), and things like %{fqdn} should just work. If you're running hiera on the command line, you'll need to provide it with a source for the variables.

You can do this in a variety of ways. The simplest way is to specify them on the command line (assuming the key you're looking up in hiera is named ... (more)

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Solid work, jonn :).

Ancillas gravatar imageAncillas ( 2013-04-20 17:24:53 -0500 )edit

Thanks. What about environment variable? I don't see it in facter -y output, I have in /etc/puppet/puppet.conf line environment=production. Should I define it somewhere else?

deric gravatar imagederic ( 2013-04-21 06:26:18 -0500 )edit

Yes - that one is a Puppet built-in. Here's a definitive list of where each variable is set..

You can specify it on the hiera command line (environment=foo), or ...(more)

jonn gravatar imagejonn ( 2013-04-21 06:42:29 -0500 )edit

I've updated my answer to make it clear that Puppet passes its built-in variables as well as the facts :)

jonn gravatar imagejonn ( 2013-04-21 06:47:03 -0500 )edit

ok, and some variables like calling_module are available only at run-time, I guess. There's also calling_class variable and anything else?

deric gravatar imagederic ( 2013-04-21 07:27:58 -0500 )edit

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Asked: 2013-04-20 08:05:20 -0500

Seen: 511 times

Last updated: Apr 21 '13