gistfile1.txt

[root@puppet ~]# cat /etc/puppet/hiera.yaml                                          
---                                                                                  
:backends:                                                                           
  - yaml                                                                             
:yaml:
  :datadir: /etc/puppet/hieradata/
:hierarchy:
  - "nodes/%{::clientcert}"
  - "%{::environment}/%{::clientcert}"
  - common
:logger:
  - console