Show reminder when key generated

tasks/configure.yml

@@ -3,6 +3,7 @@
   shell: umask 077 && wg genkey | tee /etc/wireguard/privatekey | wg pubkey > /etc/wireguard/publickey
   args:
     creates: /etc/wireguard/publickey
+  register: key_generation
   notify:
     - Restart Wireguard service
 
@@ -24,7 +25,6 @@
   set_fact:
     public_key: "{{ public_key_slurp.content | b64decode }}"
 
-
 - name: Ensure Wireguard client is configured
   template:
     src: templates/wireguard_client.conf
@@ -43,6 +43,7 @@
 - name: Show public key reminder
   debug:
     msg: "Remember to add this host '{{ inventory_hostname }}'' public key to the inventory '{{ public_key }}'"
+  when: key_generation.changed
 
 - name: Ensure cron to ping VPN server exists
   cron: