duplicity-backup/tasks/main.yml

---
- name: Install required apt packages
  apt:
    name: "{{ item }}"
    update_cache: yes
  with_items:
    - duplicity
    - gnupg
    - lftp
    - python-pip

- name: Install required pip packages
  pip:
    name: "{{ item }}"
    state: latest
  with_items:
    - boto

- name: Get current duplicity-backup version
  shell: "/usr/local/bin/duplicity-backup --version || true"
  check_mode: no
  register: duplicity_backup_version_cmd

- name: Install duplicity-backup wrapper
  get_url:
    url: https://github.com/Luzifer/duplicity-backup/releases/download/v0.8.2/duplicity-backup_linux_amd64
    dest: /usr/local/bin/duplicity-backup
    force: yes
    mode: 0755
  when: duplicity_backup_version not in duplicity_backup_version_cmd.stdout

- name: Deploy duplicity-s3 configuration
  template:
    src: duplicity-backup.yaml.j2
    dest: /etc/duplicity-backup.yaml

- name: Set up cron for backups
  cron:
    name: Duplicity Backup
    special_time: hourly
    job: /usr/local/bin/duplicity-backup -f /etc/duplicity-backup.yaml backup
    user: root
    cron_file: duplicity

- name: Add cronjob to clean logs
  cron:
    name: Cleanup logs
    special_time: daily
    job: /usr/bin/find /var/log/duplicity -type f -mtime +14 -delete
    cron_file: duplicity
    user: root