Allow setting resolv.conf

README.rst

             - node2.domain.com
             - service2.domain.com
 
+Setup resolv.conf, nameservers, domain and search domains
+
+.. code-block:: yaml
+
+    linux:
+      network:
+        resolv:
+          dns:
+            - 8.8.4.4
+            - 8.8.8.8
+          domain: my.example.com
+          search:
+            - my.example.com
+            - example.com
+
 Linux storage pillars
 ---------------------
 

linux/files/resolv.conf

+{%- from "linux/map.jinja" import network with context %}# Dynamic resolv.conf(5) file for glibc resolver(3) generated by salt-minion(1)
+#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
+{% if network.resolv.search -%}
+search {{ network.resolv.search|join(' ') }}
+{%- endif %}
+{% if network.resolv.domain -%}
+domain {{ network.resolv.domain }}
+{%- endif %}
+{%- for nameserver in network.resolv.dns %}
+nameserver {{ nameserver }}
+{%- endfor %}
+{%- if network.resolv.options %}
+options {{ options|sort|join(' ') }}
+{%- endif %}

linux/network/init.sls

 {%- if network.host|length > 0 %}
 - linux.network.host
 {%- endif %}
+{%- if network.resolv is defined %}
+- linux.network.resolv
+{%- endif %}
 {%- if network.interface|length > 0 %}
 - linux.network.interface
 {%- endif %}

linux/network/resolv.sls

+{%- from "linux/map.jinja" import network with context %}
+{%- if network.enabled %}
+
+/etc/resolv.conf:
+  file.managed:
+  - source: salt://linux/files/resolv.conf
+  - mode: 644
+  - template: jinja
+
+{%- endif %}