fix: var name

templates/usr/local/bin/nfs_timeout_notification.service.sh.j2

@@ -6,7 +6,7 @@ journalctl -f | while read -r LINE; do
   TIMEOUT=$(echo "${LINE}" | grep "nfs.*timed out");
   if [[ ! -z "${TIMEOUT}" ]]; then
     TIME=$(date +%s);
-    if [[ "${TIME}" -ge "${NO_MAIL_UNTIL}" ]]; then
+    if [[ "${TIME}" -ge "${NO_MAIL_UNTIL_EPOCH}" ]]; then
       NO_MAIL_UNTIL_EPOCH=$((TIME + WAIT_BETWEEN_MAILS_IN_SECONDS));
       echo "NFS timeout detected, sending mail to staff";
       echo "${TIMEOUT}" | /usr/bin/mail -s "NFS timeout detected on $(hostname -f)" {{ vault_nfs_timeout_notification_service.staff_mail }};