eworm-de-routeros-scripts/daily-psk-schedule

#!rsc
# RouterOS script: daily-psk-schedule
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# schedule daily-psk on startup

:local Scheduler [ / system scheduler find where name="daily-psk-schedule" ];

:if ([ / system scheduler get $Scheduler interval ] = 0s) do={
  / system scheduler set interval=15s $Scheduler;
} else={
  :if ([ / tool netwatch get [ find where comment=[ / tool e-mail get address ] ] status ] != "up") do={
    :error "Mail server is not up.";
  }

  :if ([ / system ntp client get status ] != "synchronized") do={
    :error "Time is not yet synchronized from ntp.";
  }

  / system script run daily-psk;

  / system scheduler set interval=0s $Scheduler;
}