ansible-role-server/tasks/borgbackup.yml

---
# Server/Borgbackup: Install and Setup Borgbackup Backup Crobjob
# Variables (must be set!):
# - borgbackup_passphrase
# - borgbackup_repo
# - borgbackup_hostname

- name: borgbackup - Install
  include_tasks: "{{ item }}"
  with_first_found:
    - "borgbackup-{{ ansible_distribution }}.{{ ansible_distribution_release }}.yml"
    - "borgbackup-{{ ansible_distribution }}.yml"
    - "borgbackup-{{ (override_os_family is defined) | ternary(override_os_family,ansible_os_family) }}.yml"
  ignore_errors: true
  when:
    - borgbackup_passphrase is defined
    - borgbackup_repo is defined
    - borgbackup_hostname is defined

# copy backup script and enable cronjob
- name: borgbackup - Copy Borgbackup script
  become: yes
  template:
    src: "{{ role_path }}/templates/borgbackup.sh"
    dest: /usr/local/bin/borgbackup.sh
    owner: "{{ ansible_user_id }}"
    group: "{{ ansible_user_id }}"
    mode: 0775
  when:
    - borgbackup_passphrase is defined
    - borgbackup_repo is defined
    - borgbackup_hostname is defined
- name: borgbackup - Run Borgbackup script at 1:00 daily
  become: yes
  cron:
    name: "Create Backup"
    minute: "0"
    hour: "1"
    job: "/usr/local/bin/borgbackup.sh"
  when:
    - borgbackup_passphrase is defined
    - borgbackup_repo is defined
    - borgbackup_hostname is defined

# safeguard, if the host variables were removed
- name: borgbackup - Uninstall
  block:
    - name: borgbackup - Remove Borgbackup script if no borgbackup config
      become: yes
      file:
        path: /usr/local/bin/borgbackup.sh
        state: absent
    - name: borgbackup - Remove Cronjob if no borgbackup config
      become: yes
      cron:
        name: "Create Backup"
        minute: "0"
        hour: "1"
        job: "/usr/local/bin/borgbackup.sh"
        state: absent
  when: (borgbackup_passphrase is not defined) or (borgbackup_repo is not defined) or (borgbackup_hostname is not defined)