#!rsc by RouterOS # RouterOS script: log-forward # Copyright (c) 2020-2022 Christian Hesse # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md # # forward log messages via notification # https://git.eworm.de/cgit/routeros-scripts/about/doc/log-forward.md :local 0 "log-forward"; :global GlobalFunctionsReady; :while ($GlobalFunctionsReady != true) do={ :delay 500ms; } :global Identity; :global LogForwardFilter; :global LogForwardFilterMessage; :global LogForwardInclude; :global LogForwardIncludeMessage; :global LogForwardLast; :global LogForwardRateLimit; :global NotificationsWithSymbols; :global EscapeForRegEx; :global HexToNum; :global IfThenElse; :global LogPrintExit2; :global QuotedPrintable; :global ScriptLock; :global SendNotification2; :global SymbolForNotification; $ScriptLock $0; :if ([ :typeof $LogForwardRateLimit ] = "nothing") do={ :set LogForwardRateLimit 0; } :if ($LogForwardRateLimit > 30) do={ :set LogForwardRateLimit ($LogForwardRateLimit - 1); $LogPrintExit2 info $0 ("Rate limit in action, not forwarding logs, if any!") true; } :local Count 0; :local Duplicates false; :local Last [ $IfThenElse ([ :len $LogForwardLast ] > 0) [ $HexToNum $LogForwardLast ] -1 ]; :local Messages ""; :local MessageVal; :local MessageDups [ :toarray "" ]; :local LogForwardFilterLogForwarding ("^" . [ $EscapeForRegEx ("Error sending e-mail <" . \ [ $QuotedPrintable ("[" . $Identity . "] " . [ $SymbolForNotification "memo" ] . \ "Log Forwarding") ] . ">:") ]); :foreach Message in=[ /log/find where (!(message="") and !(message~$LogForwardFilterLogForwarding) and \ !(topics~$LogForwardFilter) and !(message~$LogForwardFilterMessage)) or \ topics~$LogForwardInclude or message~$LogForwardIncludeMessage ] do={ :set MessageVal [ /log/get $Message ]; :if ($Last < [ $HexToNum ($MessageVal->".id") ]) do={ :local DupCount ($MessageDups->($MessageVal->"message")); :if ($DupCount < 3) do={ :set Messages ($Messages . "\n" . [ $IfThenElse ($NotificationsWithSymbols = true) (" \E2\97\8F ") ] . \ $MessageVal->"time" . " " . [ :tostr ($MessageVal->"topics") ] . " " . $MessageVal->"message"); } else={ :set Duplicates true; } :set ($MessageDups->($MessageVal->"message")) ($DupCount + 1); :set Count ($Count + 1); } } :if ($Count > 0) do={ $SendNotification2 ({ origin=$0; \ subject=([ $SymbolForNotification "memo" ] . "Log Forwarding"); \ message=("The log on " . $Identity . " contains " . [ $IfThenElse ($Count = 1) \ "this message" ("these " . $Count . " messages") ] . " after " . \ [ /system/resource/get uptime ] . " uptime." . [ $IfThenElse ($Duplicates = true) \ (" Multi-repeated messages have been skipped.") ] . "\n" . $Messages) }); :set LogForwardRateLimit ($LogForwardRateLimit + 10); :set LogForwardLast ($MessageVal->".id"); } else={ :if ($LogForwardRateLimit > 0) do={ :set LogForwardRateLimit ($LogForwardRateLimit - 1); } }