Re: [Puppet Users] hiera in puppet 3.0.1 doesn't take facter variable

[Dan White]

What do the following commands return ?

hiera -c /etc/puppet/hiera.yaml ssh-packages

hiera -c /etc/puppet/hiera.yaml operatingsystem=Ubuntu ssh-packages

On Dec 24, 2012, at 10:31 PM, roadtest wrote:

> Hello,
>
> I follow http://puppetlabs.com/blog/first-look-installing-and-using-hiera/ to try hiera on my 3.0.1 puppet master. I follow the instruction except my environment is ubuntu. Here is my /etc/hiera.yaml
> ---
> :hierarchy:
> - %{operatingsystem}
> - common
> :backends:
> - yaml
>
> :yaml:
> :datadir: '/var/lib/hiera'
>
> Here is my backends
> $more /var/lib/hiera/Ubuntu.yaml
> ---
> ssh_packages : - 'openssh-server'
>
> Here is section of ssh class
> $more /etc/puppet/modules/ssh/manifests/init.pp
> class ssh {
> # $ssh_packages = ['openssh','openssh-clients','openssh-server']
> # $ssh_packages = ['openssh-server']
> # $permit_root_login = 'no'
> #$ssh_users = ['root','jeff','gary','hunter']
> $ssh_packages = hiera('ssh_packages')
> $permit_root_login = hiera('permit_root_login')
> $ssh_users = hiera('ssh_users')
>
> package { $ssh_packages:
> ensure => present,
> before => File['/etc/ssh/sshd_config'],
> }
> file { '/etc/ssh/sshd_config':
> ensure => present,
> owner => 'root',
> group => 'root',
> mode => '0644',
> # Template uses $permit_root_login and $ssh_users
> content => template('ssh/sshd_config.erb'),
> }
>
> service { 'sshd':
> ensure => running,
> enable => true,
> hasstatus => true,
> hasrestart => true,
> }
> }
>
> when my ubuntu client is trying to pull the catalog, it has following errors.
> Dec 24 22:17:07 vm2 puppet-agent[18103]: Could not retrieve catalog from remote server: Error 400 on SERVER: Could not find data item ssh_packages in any Hiera data file and no default supplied at /etc/puppet/modules/ssh/manifests/init.pp:6 on node vm2
>
> It appears to me that %{operatingsystem} in hiera.yaml is invalid and ssh_packages can't be properly assigned even it is valid on the client machine.
> vm2# facter | grep operatingsystem
> operatingsystem => Ubuntu
> operatingsystemrelease => 12.04
>
> I can't figure out what wrong with my configuration. Thanks for any suggestions!
>
> carl
>
>
>
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[Dan White]

OK. Consider:

------
http://docs.puppetlabs.com/facter/1.6/core_facts.html#summary
Facts appear in Puppet as normal top-scope variables
------

------
http://docs.puppetlabs.com/hiera/1/configuring.html#format
Each top-level key in the hash must be a Ruby symbol with a colon (:) prefix. The available settings are listed below, under “Global Settings” and “Backend-Specific Settings”.

Example Config File

---
:backends:
- yaml
- json
:yaml:
:datadir: /etc/puppet/hieradata
:json:
:datadir: /etc/puppet/hieradata
:hierarchy:
- %{::clientcert}
- %{::custom_location}
- common
------

Based on those two factoids, I would suggest trying the following in your hiera.yaml:

:hierarchy:

- %{::operatingsystem}
- common

All the examples here http://docs.puppetlabs.com/hiera/1/hierarchy.html have the double-colon notation

Also, just to be thorough, what does "facter -p operatingsystem" return ?

On Dec 25, 2012, at 10:48 AM, roadtest wrote:

> Thanks for your reply! Here is the output.
>
> root@vm1:/etc/puppet/modules/ssh/manifests# hiera -c /etc/puppet/hiera.yaml ssh_packages
> nil
> root@vm1:/etc/puppet/modules/ssh/manifests# hiera -c /etc/puppet/hiera.yaml operatingsystem=Ubuntu ssh_packages
> ssh_packages
>
>
> It appears ssh_packages is not resolved properly.
>
> Thanks,
>
> carl

> To view this discussion on the web visit https://groups.google.com/d/msg/puppet-users/-/YPLcZhLn2YsJ.

[roadtest]

Hi,

I got the same errors after change from %{operatingsystem} to %{::operatingsystem}.

In the mean time, I did similar testing using puppet enterprise(default puppet is 2.7.x), which is running hiera 0.3.0 , without any problem. It nicely parse operatingsystem to Ubuntu and worked like a charm.  Does this mean I can't use dynamic variable with  hiera 1.1.1 in puppet 3.0.1?

Btw, the return of "facter -p operatingsystem" is Ubuntu and I am aware it is case sensitive.

Thanks,

carl

[roadtest]

The right syntax should be following. The key(ssh_packages) should be put before value assignment and it returns the right value.

#hiera -c /etc/puppet/hiera.yaml ssh_packages operatingsystem=Ubuntu

["openssh-server"]

On Tuesday, December 25, 2012 10:48:25 AM UTC-5, roadtest wrote:

Thanks for your reply! Here is the output.

root@vm1:/etc/puppet/modules/ssh/manifests# hiera -c /etc/puppet/hiera.yaml ssh_packages

nil

root@vm1:/etc/puppet/modules/ssh/manifests# hiera -c /etc/puppet/hiera.yaml operatingsystem=Ubuntu ssh_packages

ssh_packages

It appears ssh_packages is not resolved properly.

Thanks,

carl

On Tuesday, December 25, 2012 8:24:29 AM UTC-5, Ygor wrote:

[roadtest]

I fixed the problem by restarting puppetmaster and all dynamic facter variables are parsed properly. Thanks a lot to people who respond my question during Christmas. Now I need to explain to my wife where I am  during Christmas:-)

Cheers,

carl