On Monday, April 15, 2013 12:06:25 PM UTC-5, Ygor wrote:
>
> http://docs.puppetlabs.com/hiera/1/hierarchy.html#location-and-syntax
> Dynamic data source - It says I should use %{::variable} notation for the
> hierarchy in the hiera.yaml file.
>
Well, that overstates the case slightly. The docs give an example with ::
notation, so one would expect that to work, but that's not the same thing
as saying that you should prefer that style to any other.
>
> RHEL 5, Puppet 3.1.1, Hiera 1.2.0
>
> /etc/puppet/hiera.yaml :
> ---
> :backends:
> - yaml
> :yaml:
> :datadir: '/etc/puppet/hieradata'
> :logger: console
> :hierarchy:
> - %{environment}/common
> - common
>
> /etc/puppet/hieradata/common.yaml :
> ---
> #foo: barr
>
> /etc/puppet/hieradata/dev/common.yaml :
> ---
> foo: boo
>
>
> If I use the "::" top level scope, it does not work.
>
> [root puppet]# hiera foo -d -c /etc/puppet/hiera.yaml environment=dev
> DEBUG: Mon Apr 15 12:52:51 -0400 2013: Hiera YAML backend starting
> DEBUG: Mon Apr 15 12:52:51 -0400 2013: Looking up foo in YAML backend
> DEBUG: Mon Apr 15 12:52:51 -0400 2013: Looking for data source common
> nil
>
> If I remove the double-colon, (and restart puppetmaster) it works.
>
> [root puppet]# hiera foo -d -c /etc/puppet/hiera.yaml environment=dev
> DEBUG: Mon Apr 15 12:53:11 -0400 2013: Hiera YAML backend starting
> DEBUG: Mon Apr 15 12:53:11 -0400 2013: Looking up foo in YAML backend
> DEBUG: Mon Apr 15 12:53:11 -0400 2013: Looking for data source dev/common
> DEBUG: Mon Apr 15 12:53:11 -0400 2013: Found foo in dev/common
> boo
>
> The debug output from the first try even shows that it is not looking for
> the environment.
>
> What am I doing wrong, please ?
>
I don't think you're doing anything wrong, per se -- either the behavior or
the docs are buggy. If it has not already been reported, then I would
recommend that you file a ticket.
Meanwhile, use what works. There isn't anything inherently wrong that,
though in principle it may open you up to problems if ${::environment} is
somewhere shadowed by a local ${::foo::environment} or an ${environment}
node variable. I would expect the former to be relevant only to explicit
hiera() calls in the body of a class, not automated data binding.
John
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