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{ config, lib, ... }:
with lib;
{
options = {
services.timesyncd = {
enable = mkOption {
default = !config.boot.isContainer;
type = types.bool;
description = ''
Enables the systemd NTP client daemon.
'';
};
servers = mkOption {
default = config.networking.timeServers;
description = ''
The set of NTP servers from which to synchronise.
'';
};
};
};
config = mkIf config.services.timesyncd.enable {
systemd.additionalUpstreamSystemUnits = [ "systemd-timesyncd.service" ];
systemd.services.systemd-timesyncd = {
wantedBy = [ "sysinit.target" ];
restartTriggers = [ config.environment.etc."systemd/timesyncd.conf".source ];
};
environment.etc."systemd/timesyncd.conf".text = ''
[Time]
NTP=${concatStringsSep " " config.services.timesyncd.servers}
'';
users.users.systemd-timesync.uid = config.ids.uids.systemd-timesync;
users.groups.systemd-timesync.gid = config.ids.gids.systemd-timesync;
};
}
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