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
  when:
    - borgbackup_passphrase is defined
    - borgbackup_repo is defined
    - borgbackup_hostname is defined
  block:
    - name: borgbackup - Install application
      ansible.builtin.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

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

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