---
- 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"
  when: ansible_distribution_version < 9

- name: Update apt cache.
  apt: update_cache=yes cache_valid_time=86400

- name: Set the default_release option for older Debian versions.
  set_fact:
    ansible_default_release: "{{ ansible_distribution_release }}-backports"
  when: ansible_distribution_version < 9

- name: Install Ansible.
  apt:
    name: ansible
    state: present
    default_release: "{{ ansible_default_release }}"