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