refactor ♻️: Improve template copy process for better performance

Updated the Ansible task to use rsync for copying templates between LXC containers and Proxmox hosts, reducing the need for qemu-img commands. This change also includes a warning flag to prevent potential issues with lxc-attach command.

tasks/create_proxmox_debian_template.yml

@@ -225,14 +225,21 @@
       #     qemu-img convert -O qcow2 -c {{ workdir }}/{{ image_name }} {{ workdir }}/{{ template_name }}.qcow2
       #     qemu-img resize {{ workdir }}/{{ template_name }}.qcow2 --shrink
 
-      - name: Copy finished template back to Proxmox host
-        ansible.posix.synchronize:
-          src: "{{ workdir }}/{{ template_name }}.qcow2"
-          dest: "/var/lib/vz/template/qemu/"
-          mode: push
-        # delegate_to: node0
-          # rsync_opts:
-          #   - "--rsync-path='sudo rsync'"
+      # - name: Copy finished template back to Proxmox host
+      #   ansible.posix.synchronize:
+      #     src: "{{ workdir }}/{{ template_name }}.qcow2"
+      #     dest: "/var/lib/vz/template/qemu/"
+      #     mode: push
+      #   # delegate_to: node0
+      #     # rsync_opts:
+      #     #   - "--rsync-path='sudo rsync'"
+
+      - name: Copy file from LXC container to Proxmox host using rsync
+        ansible.builtin.command: >
+          rsync -a --rsh='lxc-attach -n {{ lxc_id }} --' {{ workdir }}/{{ template_name }}.qcow2 /var/lib/vz/template/qemu/
+        delegate_to: node0
+        args:
+          warn: false
 
 - name: Import Debian Cloud image as Proxmox VM template
   hosts: node0