resolvconf: add role

roles/resolvconf/tasks/main.yml

@@ -0,0 +1,9 @@
+---
+- name: Install resolv.conf
+  template:
+    src: resolv.conf.j2
+    dest: /etc/resolv.conf
+    owner: root
+    group: root
+    mode: u=rw,g=r,o=r
+...

roles/resolvconf/templates/resolv.conf.j2

@@ -0,0 +1,11 @@
+{{ ansible_managed | comment }}
+
+{% for nameserver in resolvconf__nameservers %}
+nameserver {{ nameserver | ipaddr }}
+{% endfor %}
+{% if resolvconf__domain is defined %}
+domain {{ resolvconf__domain }}
+{% endif %}
+{% if resolvconf__search is defined %}
+search {{ resolvconf__search | join(" ") }}
+{% endif %}