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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.meshtasticd;
format = pkgs.formats.yaml { };
configFile = format.generate "config.yaml" cfg.settings;
in
{
options.services.meshtasticd = {
enable = lib.mkEnableOption "Meshtastic daemon";
package = lib.mkPackageOption pkgs "meshtasticd" { };
user = lib.mkOption {
default = "meshtasticd";
description = "User meshtasticd runs as.";
type = lib.types.str;
};
group = lib.mkOption {
default = "meshtasticd";
description = "Group meshtasticd runs as.";
type = lib.types.str;
};
port = lib.mkOption {
type = lib.types.port;
default = 4403;
description = "Port to listen on";
};
settings = lib.mkOption {
type = format.type;
example = lib.literalExpression ''
Lora = {
Module = "auto";
};
Webserver = {
Port = 9443;
RootPath = pkgs.meshtastic-web;
};
General = {
MaxNodes = 200;
MaxMessageQueue = 100;
MACAddressSource = "eth0";
};
'';
description = ''
The Meshtastic configuration file.
An example of configuration can be found at <https://github.com/meshtastic/firmware/blob/develop/bin/config-dist.yaml>
'';
};
dataDir = lib.mkOption {
default = "/var/lib/meshtasticd";
type = lib.types.path;
description = ''
The data directory.
'';
};
};
config = lib.mkIf cfg.enable {
# Creation of the `meshtasticd` privilege user.
users = {
users = lib.mkIf (cfg.user == "meshtasticd") {
meshtasticd = {
home = cfg.dataDir;
description = "meshtasticd-daemon privilege user";
group = cfg.group;
isSystemUser = true;
extraGroups = [
"spi"
"gpio"
];
};
};
groups = lib.mkIf (cfg.group == "meshtasticd") {
meshtasticd = { };
# These groups are required for udev rules to work properly.
spi = { };
gpio = { };
};
};
# The `meshtasticd` package provides udev rules.
services.udev.packages = [
cfg.package
];
# Creation of the `meshtasticd` service.
# Based on the official meshtasticd service file: https://github.com/meshtastic/firmware/blob/develop/bin/meshtasticd.service
systemd.services.meshtasticd = {
description = "Meshtastic Native Daemon";
after = [
"network-online.target"
"network.target"
];
wants = [
"network-online.target"
"network.target"
];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = cfg.user;
Group = cfg.group;
Type = "simple";
StateDirectory = "meshtasticd";
AmbientCapabilities = [
"CAP_NET_BIND_SERVICE"
];
ExecStart = "${lib.getExe cfg.package} --port=${toString cfg.port} --fsdir=${cfg.dataDir} --config=${configFile} --verbose";
Restart = "always";
RestartSec = "3";
};
};
};
}
|
