144 lines
3.3 KiB
Nix
144 lines
3.3 KiB
Nix
{ lib, config, pkgs, satnogsDemoDisplayPkgs, ... }:
|
|
with lib;
|
|
let
|
|
# Shorter name to access final settings a
|
|
# user of hello.nix module HAS ACTUALLY SET.
|
|
# cfg is a typical convention.
|
|
cfg = config.services.satnogsDemoDisplay;
|
|
in
|
|
{
|
|
|
|
options.services.satnogsDemoDisplay = {
|
|
enable = mkEnableOption "satnogs-demo-display service";
|
|
|
|
package = mkOption {
|
|
default = satnogsDemoDisplayPkgs.x86_64-linux.default;
|
|
type = types.package;
|
|
description = "satnogsDemoDisplay packages to use. Needed to fix crosscompilation issues.";
|
|
};
|
|
|
|
user = mkOption {
|
|
type = types.str;
|
|
default = "satnogs-demo";
|
|
description = mdDoc "User to run the desktop environment and display script.";
|
|
};
|
|
|
|
group = mkOption {
|
|
type = types.str;
|
|
default = "satnogs-demo";
|
|
description = mdDoc "Group for the user.";
|
|
};
|
|
|
|
|
|
stateDir = mkOption {
|
|
default = "/var/lib/satnogs-demo-display";
|
|
type = types.str;
|
|
description = mdDoc "Demo display data directory.";
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
environment.systemPackages = with pkgs; [
|
|
cfg.package
|
|
|
|
unclutter
|
|
xorg.xhost
|
|
xorg.xrandr
|
|
feh
|
|
];
|
|
|
|
users.users = mkIf (cfg.user == "satnogs-demo") {
|
|
satnogs-demo = {
|
|
group = cfg.group;
|
|
isNormalUser = true;
|
|
};
|
|
};
|
|
|
|
users.groups = mkIf (cfg.group == "satnogs-demo") {
|
|
satnogs-demo = { };
|
|
};
|
|
|
|
systemd.tmpfiles.rules = [
|
|
"d '${cfg.stateDir}' 0750 ${cfg.user} ${cfg.group} - -"
|
|
];
|
|
|
|
systemd.services.satnogsDemoDisplay = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
description = "satnogsDemoDisplay service";
|
|
serviceConfig = {
|
|
Type = "exec";
|
|
User = cfg.user;
|
|
Group = cfg.group;
|
|
Restart = "always";
|
|
RestartSec = "1s";
|
|
StartLimitIntervalSec = "0";
|
|
WorkingDirectory = cfg.stateDir;
|
|
};
|
|
script = ''
|
|
unlink ./satnogs-logo.png
|
|
ln -s ${cfg.package}/satnogs-logo.png ./
|
|
unlink ./Montserrat-Regular.otf
|
|
ln -s ${cfg.package}/Montserrat-Regular.otf ./
|
|
|
|
while true; do
|
|
${cfg.package}/bin/satnogs-demo-display
|
|
sleep 60
|
|
done
|
|
'';
|
|
};
|
|
|
|
# Some programs need SUID wrappers, can be configured further or are
|
|
# started in user sessions.
|
|
# programs.mtr.enable = true;
|
|
# programs.gnupg.agent = {
|
|
# enable = true;
|
|
# enableSSHSupport = true;
|
|
# };
|
|
|
|
|
|
services.xserver = {
|
|
enable = true;
|
|
|
|
monitorSection = ''
|
|
Option "NODPMS"
|
|
'';
|
|
serverLayoutSection = ''
|
|
Option "BlankTime" "0"
|
|
Option "DPMS" "false"
|
|
'';
|
|
|
|
# Let lightdm handle autologin
|
|
displayManager = {
|
|
autoLogin = {
|
|
user = cfg.user;
|
|
enable = true;
|
|
};
|
|
|
|
lightdm = {
|
|
enable = true;
|
|
};
|
|
|
|
defaultSession = "none+i3";
|
|
};
|
|
|
|
# Start i3 after autologin
|
|
windowManager.i3 = {
|
|
enable = true;
|
|
configFile = ./i3config;
|
|
|
|
extraSessionCommands = ''
|
|
${pkgs.xorg.xhost}/bin/xhost +
|
|
${pkgs.unclutter}/bin/unclutter &
|
|
${pkgs.feh}/bin/feh --reload 30.0 -F ${cfg.stateDir}/waterfall.png &
|
|
'';
|
|
};
|
|
};
|
|
|
|
systemd.services."display-manager".after = [
|
|
"network-online.target"
|
|
"systemd-resolved.service"
|
|
];
|
|
|
|
};
|
|
}
|