Hiera troubleshoot

cmd

hiera domain_name ::osname=Debian

result: common.corp.com

common.yaml

# /etc/puppetlabs/puppet/hieradata/
---
domain_name: common.corp.com

Debian.yaml

# /etc/puppetlabs/puppet/hieradata/
---
domain_name: debian.corp.com

hiera.yaml

---
:backends:
- yaml
:hierarchy:
- "node/%{clientcert}"
- "%{::osfamily}"
#- common
:yaml:
# datadir is empty here, so hiera uses its defaults:
# - /etc/puppetlabs/code/environments/%{environment}/hieradata on *nix
# - %CommonAppData%\PuppetLabs\code\environments\%{environment}\hieradata on Windows
# When specifying a datadir, make sure the directory exists.
:datadir: /etc/puppetlabs/puppet/hieradata