jpporta
cdbad8910c
commit bf4873eb012235b4d82cd79c4f508064ead301ab Author: Joao Porta <jpedro.porta@gmail.com> Date: Fri Jul 17 17:24:26 2026 -0300 wake on lan
72 lines
1.8 KiB
Nix
72 lines
1.8 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.custom.wake-on-lan;
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iface = "enp14s0";
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mac = "d8:43:ae:5a:ae:12";
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wake-jpporta-nixos = pkgs.writeShellScriptBin "wake-jpporta-nixos" ''
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exec ${pkgs.wakeonlan}/bin/wakeonlan -i "''${1:-255.255.255.255}" ${mac}
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'';
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in
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{
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options.custom.wake-on-lan = {
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enable = lib.mkEnableOption "Wake-on-LAN on the wired NIC (magic-packet mode)";
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};
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config = lib.mkIf cfg.enable {
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# Keep `wol g` applied on the NIC after the link is up (boot path).
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systemd.services."wol-${iface}" = {
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description = "Enable Wake-on-LAN (magic packet) on ${iface}";
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wantedBy = [ "multi-user.target" ];
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wants = [
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"network-online.target"
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"NetworkManager.service"
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];
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after = [
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"network-online.target"
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"NetworkManager.service"
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"NetworkManager-wait-online.service"
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];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.ethtool}/bin/ethtool -s ${iface} wol g";
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};
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};
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# Re-apply `wol g` after resume from suspend / hibernate so NetworkManager
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# cannot silently drop the WOL flag on link renegotiation.
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systemd.services."wol-${iface}-resume" = {
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description = "Re-apply Wake-on-LAN (magic packet) on ${iface} after resume";
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wantedBy = [
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"suspend.target"
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"hibernate.target"
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"hybrid-sleep.target"
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];
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after = [
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"systemd-suspend.service"
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"systemd-hibernate.service"
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"systemd-hybrid-sleep.service"
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];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.ethtool}/bin/ethtool -s ${iface} wol g";
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};
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};
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environment.systemPackages = [
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pkgs.ethtool
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pkgs.wakeonlan
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wake-jpporta-nixos
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];
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};
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}
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