use rsync to push restore archive to remote, avoiding OOM on large backups

roles/app/tasks/restore.yml

@@ -52,18 +52,16 @@
       when: app_restore_source | default('controller') == 'remote' and remote_backups.files | length > 0 and app_restore_archive is not defined
 
     - name: Copy backup from controller to remote if needed
-      ansible.builtin.copy:
+      ansible.posix.synchronize:
         src: "{{ _restore_backup }}"
         dest: "{{ app_dir }}/restore_backup.tar.gz"
-        owner: "{{ app_uid | default(omit) }}"
-        group: "{{ app_gid | default(omit) }}"
-        mode: "{{ app_permission_mode | default('0644') }}"
+        mode: push
       when: app_restore_source | default('controller') == 'controller' and _restore_backup is defined
       register: copied_backup
 
     - name: Set restore path for remote backup
       ansible.builtin.set_fact:
-        _restore_path: "{{ _restore_backup if app_restore_source | default('controller') == 'remote' else copied_backup.dest }}"
+        _restore_path: "{{ _restore_backup if app_restore_source | default('controller') == 'remote' else app_dir + '/restore_backup.tar.gz' }}"
       when: _restore_backup is defined
 
     - name: Stop application for restore