add borg backup test

roles/borg/tasks/main.yml

@@ -0,0 +1,39 @@
+- name: Install borg
+  apt:
+    pkg:
+      - borgbackup
+      - borgmatic
+- name: Create borg service directory
+  file:
+    path: "{{ service_dir }}"
+    state: directory
+- name: Copy borg backup configuration
+  copy:
+    src: "{{ role_path }}/files/backup.yml"
+    dest: "{{ service_dir }}/backup.yml"
+- name: Copy public key
+  copy:
+    src: "{{ role_path }}/files/id_ed25519.pub"
+    dest: "{{ service_dir }}/id_ed25519.pub"
+    mode: 0644
+- name: Copy private key
+  copy:
+    src: "{{ role_path }}/files/id_ed25519"
+    dest: "{{ service_dir }}/id_ed25519"
+    mode: 0600
+- name: Copy systemd timer backup service
+  copy:
+    src: "{{ role_path }}/files/backup.service"
+    dest: "/etc/systemd/system/backup.service"
+  register: service
+- name: Copy systemd timer backup timer
+  copy:
+    src: "{{ role_path }}/files/backup.timer"
+    dest: "/etc/systemd/system/backup.timer"
+  register: timer
+- name: Enable systemd timer
+  systemd:
+    name: backup.timer
+    enabled: true
+    state: started
+    daemon_reload: "{{ 'yes' if service.changed or timer.changed else 'no' }}"