#
# RouterOS script: check-routeros-update
# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
#
# check for RouterOS update, send notification e-mails

:global "identity";
:global "email-general-to";
:global "email-general-cc";
:global "sent-routeros-update-notification";

:if ([ :len [ / system package find where name="wireless" disabled=no ] ] > 0) do={
  :if ([ / interface wireless cap get enabled ] = true && \
      [ / caps-man manager get enabled ] = false) do={
    :error "System is managed by CAPsMAN, not checking.";
  }
}

/ system package update check-for-updates without-paging;
:local installedversion [ / system package update get installed-version ];
:local latestversion [ / system package update get latest-version ];

:if ($"sent-routeros-update-notification" = $latestversion) do={
  :error ("Already sent the RouterOS update notification for version" . $latestversion . ".");
}

:if ($installedversion != $latestversion) do={
  :local channel [ / system package update get channel ];
  :local model [ / system routerboard get model ];
  :local serialnumber [ / system routerboard get serial-number ];

  / tool e-mail send to=$"email-general-to" cc=$"email-general-cc" \
    subject=("[" . $identity . "] RouterOS update notification") \
    body=("There is a RouterOS update available\n\n" . \
      "Routerboard:   " . $model . "\n" . \
      "Serial number: " . $serialnumber . "\n" . \
      "Hostname:      " . $identity . "\n" . \
      "Channel:       " . $channel . "\n" . \
      "Installed:     " . $installedversion . "\n" . \
      "Available:     " . $latestversion);
  :set "sent-routeros-update-notification" $latestversion;
}