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{ config, lib, pkgs, ... }:
with lib;
let
interfaces = config.services.wakeonlan.interfaces;
ethtool = "${pkgs.ethtool}/sbin/ethtool";
passwordParameter = password : if (password == "") then "" else
"sopass ${password}";
methodParameter = {method, password} :
if method == "magicpacket" then "wol g"
else if method == "password" then "wol s so ${passwordParameter password}"
else throw "Wake-On-Lan method not supported";
line = { interface, method ? "magicpacket", password ? "" }: ''
${ethtool} -s ${interface} ${methodParameter {inherit method password;}}
'';
concatStrings = foldr (x: y: x + y) "";
lines = concatStrings (map (l: line l) interfaces);
in
{
###### interface
options = {
services.wakeonlan.interfaces = mkOption {
default = [ ];
example = [
{
interface = "eth0";
method = "password";
password = "00:11:22:33:44:55";
}
];
description = ''
Interfaces where to enable Wake-On-LAN, and how. Two methods available:
"magicpacket" and "password". The password has the shape of six bytes
in hexadecimal separated by a colon each. For more information,
check the ethtool manual.
'';
};
};
###### implementation
config.powerManagement.powerUpCommands = lines;
}
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