Files
Burfeind, Jan-Niklas 9508002438 nixos/pdudaemon: init module
based on the example in share/ in the project repo.
2026-04-22 18:02:35 +02:00

147 lines
3.6 KiB
Nix

{
config,
pkgs,
lib,
...
}:
let
cfg = config.services.pdudaemon;
configFile = pkgs.writeText "pdudaemon.conf" (
lib.generators.toJSON { } {
daemon = {
hostname = cfg.bindAddress;
port = cfg.port;
logging_level = cfg.logLevel;
listener = cfg.listener;
};
pdus = cfg.pdus;
}
);
in
{
meta = {
maintainers = with lib.maintainers; [
aiyion
emantor
];
};
options = {
services.pdudaemon = {
enable = lib.mkEnableOption "PDUDaemon";
package = lib.mkPackageOption pkgs "pdudaemon" { };
bindAddress = lib.mkOption {
default = "0.0.0.0";
type = lib.types.str;
description = "Bind address for the PDUDaemon.";
};
port = lib.mkOption {
default = 16421;
type = lib.types.port;
description = "Port to bind to.";
};
openFirewall = lib.mkOption {
default = false;
type = lib.types.bool;
description = ''
Whether to automatically open the PDUDaemon listen port in the firewall.
'';
};
listener = lib.mkOption {
default = "http";
type = lib.types.enum [
"http"
"tcp"
];
description = "Which kind of listener to provide.";
};
logLevel = lib.mkOption {
default = "error";
type = lib.types.enum [
"debug"
"info"
"warning"
"error"
];
description = "PDUDaemon log level.";
};
pdus = lib.mkOption {
type = with lib.types; attrsOf anything;
default = { };
description = ''
Structural pdus section of PDUDaemon's pdudaemon.conf.
Refer to <https://github.com/pdudaemon/pdudaemon/blob/main/share/pdudaemon.conf>
for more examples.
'';
example = lib.literalExpression ''
{
cbs350-poe-switch = {
driver = "snmpv1";
community = "private";
oid = ".1.3.6.1.2.1.105.1.1.1.3.1.*;
onsetting = 1;
offsetting = 2;
};
energenie = {
driver = "EG-PMS";
device = "aa:bb:cc:xx:yy";
};
local = {
driver = "localcmdline";
};
};
'';
};
};
};
config = lib.mkIf cfg.enable {
networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewall [ cfg.port ];
systemd.services.pdudaemon = {
after = [ "network-online.target" ];
description = "Control and Queueing daemon for PDUs";
serviceConfig = {
ExecStart = "${lib.getExe cfg.package} --conf ${configFile}";
Type = "simple";
DynamicUser = "yes";
StateDirectory = "pdudaemon";
ProtectHome = true;
Restart = "on-failure";
CapabilityBoundingSet = "";
PrivateDevices = true;
ProtectClock = true;
ProtectKernelLogs = true;
ProtectControlGroups = true;
ProtectKernelModules = true;
SystemCallArchitectures = "native";
MemoryDenyWriteExecute = true;
RestrictNamespaces = true;
ProtectHostname = true;
LockPersonality = true;
ProtectKernelTunables = true;
RestrictRealtime = true;
ProtectProc = "invisible";
ProcSubset = "pid";
PrivateUsers = true;
SystemCallFilter = [
"@system-service"
"~@privileged"
"~@resources"
];
};
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ];
};
};
}