ansible_role_restic/tasks/schedule.yml

---
- name: create systemd timer
  block:
    - name: copy systemd timer
      become: true
      ansible.builtin.template:
        src: templates/restic.timer.j2
        dest: "/lib/systemd/system/restic-{{ item.name | replace(' ', '') }}.timer"
        owner: 'root'
        group: 'root'
        mode: '0644'
      no_log: true
      with_items: '{{ restic_backups }}'
      notify: systemctl restart restic.timer
      when:
        - item.name is defined
        - item.scheduled | default(false)

    - name: copy systemd service
      become: true
      ansible.builtin.template:
        src: templates/restic.service.j2
        dest: "/lib/systemd/system/restic-{{ item.name | replace(' ', '') }}.service"
        owner: 'root'
        group: 'root'
        mode: '0644'
      no_log: true
      with_items: '{{ restic_backups }}'
      when:
        - item.name is defined
        - item.scheduled | default(false)

    - name: copy systemd service
      become: true
      ansible.builtin.template:
        src: templates/restic.service.j2
        dest: "/lib/systemd/system/restic-{{ item.name | replace(' ', '') }}.service"
        owner: 'root'
        group: 'root'
        mode: '0644'
      no_log: true
      with_items: '{{ restic_backups }}'
      when:
        - item.name is defined
        - item.scheduled | default(false)

    - name: Enable restic service
      become: true
      ansible.builtin.systemd:
        name: "restic-{{ item.name | replace(' ', '') | string }}.service"
        enabled: true
        daemon_reload: true
      with_items: '{{ restic_backups }}'
      notify: systemctl restart restic.timer
      when:
        - item.name is defined
        - item.scheduled | default(false)

    - name: Enable and start restic timer
      become: true
      ansible.builtin.systemd:
        name: "restic-{{ item.name | replace(' ', '') | string }}.timer"
        enabled: true
        state: started
        daemon_reload: true
      with_items: '{{ restic_backups }}'
      notify: systemctl restart restic.timer
      when:
        - item.name is defined
        - item.scheduled | default(false)

    - name: delete old cronjob entry if available
      ansible.builtin.cron:
        name: "do1jlr.restic backup {{ item.name }}"
        job: "CRON=true {{ restic_script_dir }}/backup-{{ item.name | replace(' ', '') }}.sh"
        minute: '{{ item.schedule_minute | default("*") }}'
        hour: '{{ item.schedule_hour | default("2") }}'
        weekday: '{{ item.schedule_weekday | default("*") }}'
        month: '{{ item.schedule_month | default("*") }}'
        state: absent
        cron_file: '/etc/crontab'
        user: 'root'
      become: true
      no_log: true
      with_items: '{{ restic_backups }}'
      when:
        - item.name is defined
        - item.scheduled | default(false)
  when:
    - ansible_service_mgr == 'systemd'
    - restic_schedule_type == "systemd"
    - restic_create_schedule | bool
  rescue:
    - name: set cronjob intead of systemd
      set_fact:
        restic_force_cron: true

- name: install cronjob instead of systemd
  ansible.builtin.cron:
    name: "do1jlr.restic backup {{ item.name }}"
    job: "CRON=true {{ restic_script_dir }}/backup-{{ item.name | replace(' ', '') }}.sh"
    minute: '{{ item.schedule_minute | default("*") }}'
    hour: '{{ item.schedule_hour | default("2") }}'
    weekday: '{{ item.schedule_weekday | default("*") }}'
    month: '{{ item.schedule_month | default("*") }}'
    state: present
    cron_file: '/etc/crontab'
    user: 'root'
  become: true
  no_log: true
  with_items: '{{ restic_backups }}'
  when:
    - restic_create_schedule
    - item.name is defined
    - item.scheduled | default(false)
    - ansible_service_mgr != 'systemd' or restic_force_cron | default(false)
    - restic_schedule_type == "cronjob" or restic_force_cron | default(false)

- name: make sure no unwanted systemd timer is available
  ansible.builtin.systemd:
    name: "restic-{{ item.name | replace(' ', '') | string }}.timer"
    state: stopped
    enabled: false
  when:
    - restic_create_schedule
    - item.name is defined
    - item.scheduled | default(false)
    - ansible_service_mgr != 'systemd' or restic_force_cron | default(false)
    - restic_schedule_type == "cronjob" or restic_force_cron | default(false)