restic: role for installing restic client

roles/common/tasks/main.yml

@@ -22,6 +22,9 @@
 
       # Periodic tasks
       - cron
+
+      # General compression tools
+      - bzip2
     state: present
 
 - name: Ensure cron service is enabled

roles/restic/tasks/main.yml

@@ -0,0 +1,27 @@
+---
+- name: Ensure download directory is present
+  ansible.builtin.file:
+    path: "/home/debian/restic-{{ restic_version }}"
+    state: directory
+    mode: '0755'
+
+- name: Ensure compressed binary is downloaded
+  ansible.builtin.get_url:
+    url: "https://github.com/restic/restic/releases/download/v{{ restic_version }}/restic_{{ restic_version }}_linux_arm64.bz2"
+    dest: "/home/debian/restic-{{ restic_version }}/restic-{{ restic_version }}.bz2"
+  register: res
+
+- name: Ensure binary is decompressed
+  ansible.builtin.shell:
+    cmd: "bunzip2 -k /home/debian/restic-{{ restic_version }}/restic-{{ restic_version }}.bz2"
+  when: 'res.changed'
+
+- name: Ensure binary is copied to correct location
+  ansible.builtin.copy:
+    src: "/home/debian/restic-{{ restic_version }}/restic-{{ restic_version }}"
+    remote_src: true
+    dest: '/usr/local/bin/restic'
+    owner: 'root'
+    group: 'root'
+    mode: '0755'
+  when: 'res.changed'