85 lines
2 KiB
Nix
85 lines
2 KiB
Nix
{ pkgs, lib, config, options, ... }:
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with lib;
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let
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cfg = config.services.openntpd;
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package = pkgs.openntpd_nixos;
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configFile = ''
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${concatStringsSep "\n" (map (s: "server ${s}") cfg.servers)}
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${cfg.extraConfig}
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'';
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pidFile = "/run/openntpd.pid";
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in
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{
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###### interface
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options.services.openntpd = {
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enable = mkEnableOption "OpenNTP time synchronization server";
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servers = mkOption {
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default = config.services.ntp.servers;
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defaultText = literalExpression "config.services.ntp.servers";
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type = types.listOf types.str;
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inherit (options.services.ntp.servers) description;
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};
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extraConfig = mkOption {
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type = with types; lines;
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default = "";
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example = ''
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listen on 127.0.0.1
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listen on ::1
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'';
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description = ''
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Additional text appended to <filename>openntpd.conf</filename>.
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'';
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};
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extraOptions = mkOption {
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type = with types; separatedString " ";
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default = "";
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example = "-s";
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description = ''
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Extra options used when launching openntpd.
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'';
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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meta.maintainers = with lib.maintainers; [ thoughtpolice ];
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services.timesyncd.enable = mkForce false;
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# Add ntpctl to the environment for status checking
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environment.systemPackages = [ package ];
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environment.etc."ntpd.conf".text = configFile;
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users.users.ntp = {
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isSystemUser = true;
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group = "ntp";
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description = "OpenNTP daemon user";
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home = "/var/empty";
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};
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users.groups.ntp = {};
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systemd.services.openntpd = {
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description = "OpenNTP Server";
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wantedBy = [ "multi-user.target" ];
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wants = [ "network-online.target" "time-sync.target" ];
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before = [ "time-sync.target" ];
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after = [ "dnsmasq.service" "bind.service" "network-online.target" ];
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serviceConfig = {
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ExecStart = "${package}/sbin/ntpd -p ${pidFile} ${cfg.extraOptions}";
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Type = "forking";
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PIDFile = pidFile;
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};
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};
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};
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}
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