ci: add ansible task to check if systemd unit file exists

playbook.yml

@@ -14,6 +14,11 @@
         dest: /usr/local/bin/caddy
         mode: "0755"
 
+    - name: Check if systemd unit file exists
+      stat:
+        path: /etc/systemd/system/caddy.service
+      register: systemd_unit_file
+
     - name: Create systemd unit file for Caddy
       copy:
         dest: /etc/systemd/system/caddy.service
@@ -31,7 +36,7 @@
 
           [Install]
           WantedBy=multi-user.target
-      when: not ansible_facts['systemd']['units']['caddy.service']
+      when: not systemd_unit_file.stat.exists
 
     - name: Enable and start Caddy service
       systemd: