ansible-edda/playbooks/roles/backups/restic/tasks/main.yml

---
- name: "check if restic is installed"
  ansible.builtin.stat:
    path: "/usr/local/bin/restic"
  register: backups_restic_binary_path

- block:

    - name: "download restic binary"
      ansible.builtin.get_url:
        url: "\
          https://github.com/restic/restic/releases/download/v0.14.0/restic_0.14.0_linux_amd64.bz2"
        dest: "/usr/local/bin/restic.bz2"
        mode: 0644

    - name: "unpack restic binary"
      command: "bunzip2 /usr/local/bin/restic.bz2"

  when:
    not backups_restic_binary_path.stat.exists

- name: "ensure restic is executable"
  ansible.builtin.file:
    path: "/usr/local/bin/restic"
    mode: 0755

- name: "create a cache directory for restic"
  ansible.builtin.file:
    path: "/var/cache/restic"
    state: "directory"
    mode: 0755

- name: "create resic-batch config directory"
  ansible.builtin.file:
    path: "/etc/restic-batch.d"
    state: "directory"
    mode: 0755

- name: "install the restic-batch script"
  ansible.builtin.copy:
    src: "./restic-batch"
    dest: "/usr/local/sbin/restic-batch"
    mode: 0755

- name: "install the restic-batch service"
  ansible.builtin.copy:
    src: "./restic-batch.service"
    dest: "/etc/systemd/system/restic-batch.service"
    mode: 0644
  register: backups_restic_restic_batch_service_file

- name: "install the restic-batch timer"
  ansible.builtin.copy:
    src: "./restic-batch.timer"
    dest: "/etc/systemd/system/restic-batch.timer"
    mode: 0644
  register: backups_restic_restic_batch_timer_file

- name: "systemd daemon reload"
  ansible.builtin.systemd:
    daemon_reload: true
  when:
    backups_restic_restic_batch_service_file.changed or
    backups_restic_restic_batch_timer_file.changed

- name: "enable and start restic-batch service"
  ansible.builtin.systemd:
    name: "restic-batch.timer"
    enabled: true
    state: "started"