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https://github.com/eworm-de/routeros-scripts
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Copyright (C) 2013-2020 Christian Hesse <mail@eworm.de> This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. https://www.gnu.org/licenses/#GPL https://www.gnu.org/licenses/gpl.html https://www.gnu.org/licenses/gpl.md
49 lines
1.9 KiB
Text
49 lines
1.9 KiB
Text
#!rsc
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# RouterOS script: netwatch-notify
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# Copyright (c) 2020 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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# monitor netwatch and send notifications
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# https://git.eworm.de/cgit/routeros-scripts/about/doc/netwatch-notify.md
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:global NetwatchNotify;
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:global ParseKeyValueStore;
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:global LogPrintExit;
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:global SendNotification;
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:if ([ :typeof $NetwatchNotify ] = "nothing") do={
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:set NetwatchNotify [ :toarray "" ];
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}
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:foreach Host in=[ / tool netwatch find where comment~"^notify," ] do={
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:local HostVal [ / tool netwatch get $Host ];
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:local HostName ([ $ParseKeyValueStore ($HostVal->"comment") ]->"hostname");
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:local Metric { "count"=0; "notified"=false };
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:if ([ :typeof ($NetwatchNotify->$HostName) ] = "array") do={
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:set $Metric ($NetwatchNotify->$HostName);
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}
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:if ($HostVal->"status" = "up") do={
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$LogPrintExit debug ("Host " . $HostName . " (" . $HostVal->"host" . ") is up.") false;
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:local Count ($Metric->"count");
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:set ($Metric->"count") 0;
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:if ($Metric->"notified" = true) do={
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$SendNotification ("Netwatch Notify: \E2\9C\85 " . $HostName . " up") \
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("Host " . $HostName . " (" . $HostVal->"host" . ") is up since " . $HostVal->"since" . ".\n" . \
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"It was down for " . $Count . " checks.");
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}
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:set ($Metric->"notified") false;
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} else={
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:set ($Metric->"count") ($Metric->"count" + 1);
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$LogPrintExit info ("Host " . $HostName . " (" . $HostVal->"host" . ") is down for " . \
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$Metric->"count" . " checks.") false;
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:if ($Metric->"count" >= 5 && $Metric->"notified" != true) do={
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$SendNotification ("Netwatch Notify: \E2\9D\8C " . $HostName . " down") \
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("Host " . $HostName . " (" . $HostVal->"host" . ") is down since " . $HostVal->"since" . ".");
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:set ($Metric->"notified") true;
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}
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}
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:set ($NetwatchNotify->$HostName) { "count"=($Metric->"count"); "notified"=($Metric->"notified") };
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}
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