#!rsc by RouterOS
# RouterOS script: dhcp-lease-comment.local
# Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# update dhcp-server lease comment with infos from access-list
# https://git.eworm.de/cgit/routeros-scripts/about/doc/dhcp-lease-comment.md
#
# !! Do not edit this file, it is generated from template!

:local 0 "dhcp-lease-comment.local";
: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 $Lease ];
  :local NewComment;
  :local AccessList ([ / interface wireless access-list find where mac-address=($LeaseVal->"mac-address") ]->0);
  :if ([ :len $AccessList ] > 0) do={
    :set NewComment [ / interface wireless 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;
  }
}