Add localtime package and nixos module

Simple daemon for keeping system timezone up-to-date via geoclue2.

Sadly i3 status needs to be restarted for timezone changes.
This commit is contained in:
Domen Kožar 2017-12-03 11:41:22 +01:00
parent ecd0e11851
commit d64ba1c060
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4 changed files with 85 additions and 0 deletions

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@ -588,6 +588,7 @@
./services/system/cloud-init.nix
./services/system/dbus.nix
./services/system/earlyoom.nix
./services/system/localtime.nix
./services/system/kerberos.nix
./services/system/nscd.nix
./services/system/saslauthd.nix

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@ -0,0 +1,60 @@
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.localtime;
in {
options = {
services.localtime = {
enable = mkOption {
default = false;
description = ''
Enable <literal>localtime</literal>, simple daemon for keeping the system
timezone up-to-date based on the current location. It uses geoclue2 to
determine the current location and systemd-timedated to actually set
the timezone.
'';
};
};
};
config = mkIf cfg.enable {
services.geoclue2.enable = true;
security.polkit.extraConfig = ''
polkit.addRule(function(action, subject) {
if (action.id == "org.freedesktop.timedate1.set-timezone"
&& subject.user == "localtimed") {
return polkit.Result.YES;
}
});
'';
users.users = [{
name = "localtimed";
description = "Taskserver user";
}];
systemd.services.localtime = {
description = "localtime service";
wantedBy = [ "multi-user.target" ];
partOf = [ "geoclue.service "];
serviceConfig = {
Restart = "on-failure";
# TODO: make it work with dbus
#DynamicUser = true;
Nice = 10;
User = "localtimed";
PrivateTmp = "yes";
PrivateDevices = true;
PrivateNetwork = "yes";
NoNewPrivileges = "yes";
ProtectSystem = "strict";
ProtectHome = true;
ExecStart = "${pkgs.localtime}/bin/localtimed";
};
};
};
}

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@ -0,0 +1,22 @@
{ stdenv, go, systemd, polkit, fetchFromGitHub, m4 }:
stdenv.mkDerivation {
name = "localtime-2017-11-07";
src = fetchFromGitHub {
owner = "Stebalien";
repo = "localtime";
rev = "2e7b4317c723406bd75b2a1d640219ab9f8090ce";
sha256 = "04fyna8p7q7skzx9fzmncd6gx7x5pwa9jh8a84hpljlvj0kldfs8";
};
buildInputs = [ go systemd polkit m4 ];
makeFlags = [ "PREFIX=$(out)" ];
meta = {
description = "A daemon for keeping the system timezone up-to-date based on the current location";
homepage = https://github.com/Stebalien/localtime;
platforms = stdenv.lib.platforms.linux;
};
}

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@ -3208,6 +3208,8 @@ with pkgs;
limesurvey = callPackage ../servers/limesurvey { };
localtime = callPackage ../tools/system/localtime { };
logcheck = callPackage ../tools/system/logcheck {
inherit (perlPackages) mimeConstruct;
};