stockholm/lass/3modules/realwallpaper.nix

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arg@{ config, lib, pkgs, ... }:
let
inherit (lib)
mkEnableOption
mkOption
types
mkIf
;
lpkgs = import ../5pkgs { inherit pkgs; };
cfg = config.lass.realwallpaper;
out = {
options.lass.realwallpaper = api;
config = mkIf cfg.enable imp;
};
api = {
enable = mkEnableOption "realwallpaper";
workingDir = mkOption {
type = types.str;
default = "/var/realwallpaper/";
};
nightmap = mkOption {
type = types.str;
default = "http://eoimages.gsfc.nasa.gov/images/imagerecords/55000/55167/earth_lights_lrg.jpg";
};
daymap = mkOption {
type = types.str;
default = "http://www.nnvl.noaa.gov/images/globaldata/SnowIceCover_Daily.png";
};
cloudmap = mkOption {
type = types.str;
default = "http://xplanetclouds.com/free/local/clouds_2048.jpg";
};
outFile = mkOption {
type = types.str;
default = "/tmp/wallpaper.png";
};
timerConfig = mkOption {
type = types.unspecified;
default = {
OnCalendar = "*:0/15";
};
};
};
imp = {
systemd.timers.realwallpaper = {
description = "real wallpaper generator timer";
timerConfig = cfg.timerConfig;
};
systemd.services.realwallpaper = {
description = "real wallpaper generator";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
path = with pkgs; [
xplanet
imagemagick
curl
file
];
environment = {
working_dir = cfg.workingDir;
nightmap_url = cfg.nightmap;
daymap_url = cfg.daymap;
cloudmap_url = cfg.cloudmap;
out_file = cfg.outFile;
};
restartIfChanged = true;
serviceConfig = {
Type = "simple";
ExecStart = "${lpkgs.realwallpaper}/realwallpaper.sh";
User = "realwallpaper";
};
};
users.extraUsers.realwallpaper = {
uid = 2009435407; #genid realwallpaper
home = cfg.workingDir;
createHome = true;
};
};
in
out