routeros-scripts/firmware-upgrade-reboot

#!rsc by RouterOS
# RouterOS script: firmware-upgrade-reboot
# Copyright (c) 2022 Christian Hesse <mail@eworm.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# install firmware upgrade, and reboot
# https://git.eworm.de/cgit/routeros-scripts/about/doc/firmware-upgrade-reboot.md

:local 0 "firmware-upgrade-reboot";
:global GlobalFunctionsReady;
:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }

:global LogPrintExit2;

:local RouterBoard [ / system routerboard get ];
:if ($RouterBoard->"current-firmware" = $RouterBoard->"upgrade-firmware") do={
  $LogPrintExit2 info $0 ("Firmware is already up to date.") true;
}

:if ([ / system routerboard settings get auto-upgrade ] = false) do={
  $LogPrintExit2 info $0 ("Firmware version " . $RouterBoard->"upgrade-firmware" . \
    " is available, upgrading.") false;
  / system routerboard upgrade;
}

:while ([ :len [ / log find where topics=({"system";"info";"critical"}) \
    message="Firmware upgraded successfully, please reboot for changes to take effect!" ] ] = 0) do={
  :delay 1s;
}

:local Uptime [ / system resource get uptime ];
:if ($Uptime < 1m) do={
  :delay $Uptime;
}

$LogPrintExit2 info $0 ("Firmware upgrade successful, rebooting.") false;
/ system reboot;