Add Hiera file for Debian-likes

data/os/Debian.yaml

@@ -0,0 +1 @@
+---

hiera.yaml

@@ -6,5 +6,8 @@ defaults:  # Used for any hierarchy level that omits these keys.
   data_hash: yaml_data  # Use the built-in YAML backend.
 
 default_hierarchy:
+  - name: "OS Family"
+    path: "os/%{facts.os.family}.yaml"
+
   - name: 'common'
     path: 'common.yaml'