Fix playbook check if delegate_to host is accessible

roles/lmn_vpn/tasks/wg_config.yml

@@ -5,7 +5,7 @@
       - wireguard
 
 - name: Check if wg_server is reachable
-  ansible.builtin.command: echo "Test if wg_server is reachable"
+  ansible.builtin.command: echo "reachable"
   delegate_to: wireguard_server
   register: result
   changed_when: false
@@ -17,10 +17,10 @@
       * server not reachable
       * no matching ssh-key
   changed_when: true
-  when: result.unreachable is defined and result.unreachable
+  when: result.stdout is not defined or result.stdout!="reachable"
 
 - name: Configure WG Server
-  when: result.unreachable is not defined or not result.unreachable
+  when: result.stdout is defined and result.stdout=="reachable"
   block:
     - name: Set facts wg_clientname
       ansible.builtin.set_fact: