routeros-scripts/dhcp-lease-comment.template

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#!rsc by RouterOS
# RouterOS script: dhcp-lease-comment%TEMPL%
# Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# provides: lease-script, assign, order=60
#
# update dhcp-server lease comment with infos from access-list
# https://git.eworm.de/cgit/routeros-scripts/about/doc/dhcp-lease-comment.md
#
# !! This is just a template! Replace '%PATH%' with 'caps-man'
# !! or 'interface wireless'!
:local 0 "dhcp-lease-comment%TEMPL%";
:global GlobalFunctionsReady;
:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
:global LogPrintExit2;
:foreach Lease in=[ / ip dhcp-server lease find where dynamic=yes status=bound ] do={
:local LeaseVal [ / ip dhcp-server lease get $Lease ];
:local NewComment;
:local AccessList ([ / %PATH% access-list find where mac-address=($LeaseVal->"mac-address") ]->0);
:if ([ :len $AccessList ] > 0) do={
:set NewComment [ / %PATH% access-list get $AccessList comment ];
}
:if ([ :len $NewComment ] != 0 && $LeaseVal->"comment" != $NewComment) do={
$LogPrintExit2 info $0 ("Updating comment for DHCP lease " . $LeaseVal->"mac-address" . ": " . $NewComment) false;
/ ip dhcp-server lease set comment=$NewComment $Lease;
}
}