Specific role for debian (#4)

* Added specific role for Debian using backports repository

* Moved ubuntu to specific file

* Changed ansible_os_family to ansible_distribution for Debian/Ubuntu. Fixed my mistake where setup-Ubuntu.yml was a setup-RedHat copy

tasks/main.yml

@@ -3,5 +3,8 @@
 - include: setup-RedHat.yml
   when: ansible_os_family == 'RedHat'
 
+- include: setup-Ubuntu.yml
+  when: ansible_distribution == 'Ubuntu'
+
 - include: setup-Debian.yml
-  when: ansible_os_family == 'Debian'
+  when: ansible_distribution == 'Debian'

tasks/setup-Debian.yml

@@ -1,9 +1,9 @@
 ---
-- name: Add ansible repository.
-  apt_repository: repo='ppa:ansible/ansible'
+- name: Enable Backports repository
+  apt_repository: repo='deb http://ftp.debian.org/debian {{ansible_distribution_release}}-backports main' state=present filename={{ansible_distribution_release}}_backports
 
 - name: Update apt cache.
   apt: update_cache=yes cache_valid_time=86400
 
 - name: Install Ansible.
-  apt: name=ansible state=installed
+  apt: name=ansible state=installed default_release={{ansible_distribution_release}}-backports

tasks/setup-Ubuntu.yml

@@ -0,0 +1,9 @@
+---
+- name: Add ansible repository.
+  apt_repository: repo='ppa:ansible/ansible'
+
+- name: Update apt cache.
+  apt: update_cache=yes cache_valid_time=86400
+
+- name: Install Ansible.
+  apt: name=ansible state=installed