Hiera not expanding $operatingsystem variable

[Karolis Pabijanskas]

Hi All,

I am sure this is going to be something completely stupid, but I just can't find the issue :)

I have a very simple module that that needs a different filepath depending on the operating system, so I'm trying to call:

$global_bashrc_file = hiera("global_bashrc_file")

from my module.

The hierarchy at the moment is very simple:

:hierarchy:
  - %{operatingsystem}
  - default

Calling notify from the module works just fine and brings back CentOS as my operating system. CentOS.yaml does exist in the  datadir and does contain the variable. Running hiera in through the shell does indeed show it working and returns the correct variable:

# hiera global_bashrc_file operatingsystem=CentOS
/etc/bashrc

But when trying to get this value via puppet, I just get an error:
Error: Could not retrieve catalog from remote server: Error 400 on SERVER: Could not find data item global_bashrc_file in any Hiera data file and no default supplied at blah

It does work perfectly fine if I place the variable in default.yaml, but if I move it to the os-specific yaml it just shouts at me that I have not declared it... Just seems like $operatingsystem does not get passed on from puppet, even though:
# facter operatingsystem
CentOS

and notify '{ "${operatingsystem": }' in puppet works.

As mentioned, I am sure I am missing something very trivial, but maybe one of you enlightened ones can point me in the right direction!

puppet version is 3.6.2

hiera version i 1.3.4

Thanks in advance!

Karolis

[Johan De Wit]

Hi,

always use quotes when using facts etc in hiera :

:hierarchy:
  - "%{operatingsystem}"
  - default

hth

Johan

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[Garrett Honeycutt]

Hi,

Good eye on the quotes, Johan. Whenever you change hiera.yaml, be sure
to restart the puppet master.

Best regards,
-g




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[Karolis Pabijanskas]

Thanks! I knew it was something simple! I just did not restart the puppet master.... that was all.. hiera works fine with or without the quotes though and they are not required.

Thanks again for the tip!

Karolis

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[Christopher Wood]

On Wed, Jul 30, 2014 at 08:47:23PM +0100, Karolis Pabijanskas wrote:
> Thanks! I knew it was something simple! I just did not restart the puppet
> master.... that was all.. hiera works fine with or without the quotes
> though and they are not required.

I've had some troubles using all-numeric strings ("1234") unquoted in templates, where they are interpreted as integers. Not that I'm the expert, but it's worth considering that ruby variables in templates are typed, but puppet variables in manifests aren't, and will need more care when writing yaml for templates.

Consider how you'll need to use to_s or to_i in a template:

---
integer: 1234
string: "1234"

$ readyaml /tmp/yaml1
{"integer"=>1234, "string"=>"1234"}

Obviously I'm not the expert, it's just a bit of a pain.


$ cat bin/readyaml
#!/usr/bin/env ruby

require 'pp'
require 'yaml'

data = File.read(ARGV[0])
yaml = YAML.load(data)
pp yaml

> Thanks again for the tip!
>
> Karolis
>

> On 30 July 2014 19:03, Garrett Honeycutt <[1]g...@garretthoneycutt.com>

> Mobile: [2]+1.206.414.8658

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