use systemctl instead of service, as systemctl is now massively used..

create-certificat

@@ -16,7 +16,7 @@ ${certbot_bin}  certonly  --domains $1 --renew-by-default --http-01-port 63443 -
 if [ $? -eq 0 ]; then
     echo "$(date +%c) Success ! Now creating ${1}.pem"
     cat /etc/letsencrypt/live/$1/fullchain.pem /etc/letsencrypt/live/$1/privkey.pem > ${haproxy_pem_path}/$1.pem
-    service haproxy reload
+    systemctl reload haproxy
 else
     echo "$(date +%c) Error creating certificate with error code $?, exit script..."
     exit 1

renew-certificates

@@ -22,5 +22,5 @@ done
 
 # At the end, reload haproxy
 echo "$(date +%c) Reload haproxy"
-service haproxy reload
+systemctl reload haproxy