Added optional aliases handling

README.md

@@ -1,8 +1,8 @@
 hosts
 =====
 
-This Ansible role adds host records to `/etc/hosts`.
-
+This Ansible role adds host records to `/etc/hosts`, including host aliases
+Host aliases are optional.
 
 Role Variables
 --------------
@@ -13,12 +13,14 @@ Role Variables
 Example configuration
 ---------------------
 
-
     save_hosts:
-        - name: example.net
-          ip:   8.8.8.8
-        - name: example.com
-          ip:   8.8.4.4
+    - name: example.net
+      ip:   8.8.8.8
+      aliases:
+      - dns
+      - googledns
+    - name: example.com
+      ip:   8.8.4.4
 
 
 License

tasks/main.yml

@@ -2,6 +2,6 @@
   sudo: true
   lineinfile: >
     dest=/etc/hosts
-    line="{{ item.ip }} {{ item.name }} # {{ item.name | md5 }}"
+    line="{{ item.ip }} {{ item.name }} {{ item.aliases | default('') | join(' ') }} # {{ item.name | md5 }}"
     regexp='{{ item.name | md5 }}$'
   with_items: save_hosts