Add role hosts

roles/hosts/tasks/main.yml

@@ -0,0 +1,27 @@
+---
+- name: Detect domain name
+  set_fact:
+    domainname: "{{ ansible_dns.domain|default(False) or ansible_dns.search.0|default(False) or ansible_domain|default(False) or 'invalid'}}"
+
+- name: Add name/IP to hosts file
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '^{{ ansible_default_ipv4.address }}'
+    line: '{{ ansible_default_ipv4.address }} {{ ansible_hostname }}.{{ domainname }} {{ ansible_hostname }}'
+    backup: yes
+
+- name: Clean/remove 127.0.1.1
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '^127.0.1.1'
+    state: absent
+    backup: yes
+
+- name: Ensure 127.0.0.1 localhost
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '127.0.0.1'
+    line: '127.0.0.1 localhost localhost.localdomain'
+    insertbefore: BOF
+    backup: yes
+