lass 3: add wallpaper.nix

lass 2 configs: add wallpaper.nix

lass 2: add wallpaper-server.nix

lass: refactor realwallpaper

lass/1systems/cloudkrebs.nix

@@ -14,7 +14,7 @@ in {
     ../2configs/retiolum.nix
     ../2configs/fastpoke-pages.nix
     ../2configs/new-repos.nix
-    ../2configs/privoxy-retiolum.nix
+    ../2configs/realwallpaper.nix
     {
       networking.interfaces.enp2s1.ip4 = [
         {

lass/1systems/echelon.nix

@@ -11,6 +11,7 @@ in {
     ../../tv/2configs/CAC-CentOS-7-64bit.nix
     ../2configs/base.nix
     ../2configs/retiolum.nix
+    ../2configs/realwallpaper.nix
     {
       networking.interfaces.enp2s1.ip4 = [
         {

lass/1systems/mors.nix

@@ -23,7 +23,7 @@
     ../2configs/wordpress.nix
     ../2configs/bitlbee.nix
     ../2configs/firefoxPatched.nix
-    ../2configs/wallpaper.nix
+    ../2configs/realwallpaper.nix
   ];
 
   krebs.build = {

lass/2configs/realwallpaper-server.nix

@@ -0,0 +1,32 @@
+{ config, lib, ... }:
+
+let
+  hostname = config.krebs.build.host.name;
+  inherit (lib)
+    nameValuePair
+  ;
+
+in {
+  imports = [
+    ./realwallpaper.nix
+  ];
+
+  krebs.nginx.servers.wallpaper = {
+    server-names = [
+      hostname
+    ];
+    locations = [
+      (nameValuePair "/wallpaper.png" ''
+        root /tmp/;
+      '')
+    ];
+  };
+
+  krebs.iptables = {
+    tables = {
+      filter.INPUT.rules = [
+        { predicate = "-i retiolum -p tcp --dport 80"; target = "ACCEPT"; }
+      ];
+    };
+  };
+}

lass/2configs/realwallpaper.nix

@@ -0,0 +1,9 @@
+{ config, ... }:
+
+{
+  imports = [
+    ../3modules/realwallpaper.nix
+  ];
+
+  lass.realwallpaper.enable = true;
+}

lass/3modules/default.nix

@@ -3,5 +3,6 @@ _:
 {
   imports = [
     ./xresources.nix
+    ./realwallpaper.nix
   ];
 }

lass/3modules/realwallpaper.nix

@@ -0,0 +1,102 @@
+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
+

lass/5pkgs/default.nix

@@ -13,4 +13,5 @@ rec {
     ublock = callPackage ./firefoxPlugins/ublock.nix {};
     vimperator = callPackage ./firefoxPlugins/vimperator.nix {};
   };
+  realwallpaper = callPackage ./realwallpaper.nix {};
 }

lass/5pkgs/realwallpaper.nix

@@ -0,0 +1,28 @@
+{ stdenv, fetchgit, xplanet, imagemagick, curl, file }:
+
+stdenv.mkDerivation {
+  name = "realwallpaper";
+
+  src = fetchgit {
+    url = https://github.com/Lassulus/realwallpaper;
+    rev = "c2778c3c235fc32edc8115d533a0d0853ab101c5";
+    sha256 = "0yhbjz19zk8sj5dsvccm6skkqq2vardn1yi70qmd5li7qvp17mvs";
+  };
+
+  phases = [
+    "unpackPhase"
+    "installPhase"
+  ];
+
+  buildInputs = [
+    xplanet
+    imagemagick
+    curl
+    file
+  ];
+
+  installPhase = ''
+    mkdir -p $out
+    cp realwallpaper.sh $out/realwallpaper.sh
+  '';
+}