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			103 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
#!rsc by RouterOS
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# RouterOS script: log-forward
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# Copyright (c) 2020-2024 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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# requires RouterOS, version=7.12
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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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:global GlobalFunctionsReady;
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:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
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:do {
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  :local ScriptName [ :jobname ];
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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 EitherOr;
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  :global HexToNum;
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  :global IfThenElse;
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  :global LogForwardFilterLogForwarding;
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  :global LogPrint;
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  :global MAX;
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  :global ScriptLock;
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  :global SendNotification2;
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  :global SymbolForNotification;
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  :if ([ $ScriptLock $ScriptName ] = false) do={
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    :error false;
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  }
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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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    $LogPrint info $ScriptName ("Rate limit in action, not forwarding logs, if any!");
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    :error false;
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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 ({});
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  :local LogForwardFilterLogForwardingCached [ $EitherOr [ $LogForwardFilterLogForwarding ] ("\$^") ];
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  :foreach Message in=[ /log/find where (!(message="") and \
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      !(message~$LogForwardFilterLogForwardingCached) 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 $Message ];
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    :local Bullet "information";
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    :if ($Last < [ $HexToNum ($MessageVal->".id") ]) do={
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      :local DupCount ($MessageDups->($MessageVal->"message"));
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      :if ($MessageVal->"topics" ~ "(warning)") do={
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        :set Warning true;
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        :set Bullet "large-orange-circle";
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      }
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      :if ($MessageVal->"topics" ~ "(emergency|alert|critical|error)") do={
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        :set Warning true;
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        :set Bullet "large-red-circle";
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      }
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      :if ($DupCount < 3) do={
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        :set Messages ($Messages . "\n" . [ $SymbolForNotification $Bullet ] . \
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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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    :set LogForwardRateLimit ($LogForwardRateLimit + 10);
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    $SendNotification2 ({ origin=$ScriptName; \
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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) "this message" \
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        ("these " . $Count . " messages") ] . " after " . [ /system/resource/get uptime ] . " uptime." . \
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        [ $IfThenElse ($Duplicates = true) (" Multi-repeated messages have been skipped.") ] . \
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        [ $IfThenElse ($LogForwardRateLimit > 30) ("\nRate limit in action, delaying forwarding.") ] . \
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        "\n" . $Messages) });
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    :set LogForwardLast ($MessageVal->".id");
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  } else={
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    :set LogForwardRateLimit [ $MAX 0 ($LogForwardRateLimit - 1) ];
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  }
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} on-error={ }
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