Manage /etc/resolv.conf properly with defaults.yaml

hshbase/defaults.yaml

@@ -11,3 +11,6 @@ hshbase:
     system: en_US.UTF-8
     present:
       - de_DE.UTF-8
+  dns:
+    - 192.108.52.10
+    - 141.71.2.121

hshbase/init.sls

@@ -9,3 +9,4 @@ include:
   - .time
   - .locale
   - .hostname
+  - .resolvconf

hshbase/resolvconf/files/resolv.conf

+{%- from "hshbase/map.jinja" import hshbase with context-%}
+### THIS FILE IS MANAGED BY SALT!
+### YOUR CHANGES WILL BE OVERWRITTEN!
+{% for resolver in hshbase['dns'] -%}
+nameserver {{ resolver }}
+{% endfor %}

hshbase/resolvconf/init.sls

+hshbase_resolvconf_file:
+  file.managed:
+    - name: /etc/resolv.conf
+    - template: jinja
+    - source: salt://hshbase/resolvconf/files/resolv.conf