forked from dan/liminix
add first version of ntp module
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e952f55f40
commit
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@ -38,6 +38,7 @@ in rec {
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../modules/firewall
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../modules/hostapd
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../modules/bridge
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../modules/ntp
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];
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rootfsType = "jffs2";
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hostname = "rotuer";
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@ -95,16 +96,10 @@ in rec {
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];
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};
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services.ntp =
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let config = writeText "chrony.conf" ''
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pool pool.ntp.org iburst
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dumpdir /run/chrony
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makestep 1.0 3
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'';
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in longrun {
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name = "ntp";
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run = "${pkgs.chrony}/bin/chronyd -f ${config} -d";
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};
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services.ntp = svc.ntp {
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pools = { "pool.ntp.org" = ["iburst"]; };
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makestep = { threshold = 1.0; limit = 3; };
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};
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services.sshd = longrun {
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name = "sshd";
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@ -0,0 +1,19 @@
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{ lib, pkgs, config, ...}:
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let
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inherit (lib) mkOption types;
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in {
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options = {
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system.service.ntp = mkOption {
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type = types.functionTo types.package;
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};
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};
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config = {
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system.service.ntp = pkgs.callPackage ./service.nix {};
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users.ntp = {
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uid = 52; gid= 52; gecos = "Unprivileged NTP user";
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dir = "/run/ntp";
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shell = "/bin/false";
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};
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# groups.system.usernames = ["ntp"];
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};
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}
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@ -0,0 +1,75 @@
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{
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liminix
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, chrony
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, serviceFns
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, lib
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, writeText
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}:
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let
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inherit (liminix.services) longrun;
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inherit (lib) concatStringsSep mapAttrsToList;
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inherit (liminix.lib) typeChecked;
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inherit (lib) mkOption types;
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serverOpts = types.listOf types.str;
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t = {
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user = mkOption {
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type = types.str;
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default = "ntp";
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};
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servers = mkOption { type = types.attrsOf serverOpts; default = {}; };
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pools = mkOption { type = types.attrsOf serverOpts; default = {}; };
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peers = mkOption { type = types.attrsOf serverOpts; default = {}; };
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makestep = {
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threshold = mkOption { type = types.number; };
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limit = mkOption { type = types.number; };
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};
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allow = mkOption {
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description = "subnets from which NTP clients are allowed to access the server";
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type = types.listOf types.str;
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default = [];
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};
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bindaddress = mkOption {
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type = types.nullOr types.str;
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default = null;
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};
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binddevice = mkOption {
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type = types.nullOr types.str;
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default = null;
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};
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dumpdir = mkOption {
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internal = true;
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type = types.path;
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default = "/run/chrony";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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};
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};
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configFile = p:
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(mapAttrsToList (name: opts: "server ${name} ${concatStringsSep "" opts}")
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p.servers)
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++
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(mapAttrsToList (name: opts: "pool ${name} ${concatStringsSep "" opts}")
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p.pools)
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++
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(mapAttrsToList (name: opts: "peer ${name} ${concatStringsSep "" opts}")
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p.peers)
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++ [ "user #{p.user}" ]
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++ (lib.optional (p.makestep != null) "makestep ${toString p.makestep.threshold} ${toString p.makestep.limit}")
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++ (map (n: "allow ${n}") p.allow)
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++ (lib.optional (p.bindaddress != null) "bindaddress ${p.bindaddress}")
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++ (lib.optional (p.binddevice != null) "binddevice ${p.binddevice}")
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++ (lib.optional (p.dumpdir != null) "dumpdir ${p.dumpdir}")
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++ [p.extraConfig];
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in
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params:
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let
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config = writeText "chrony.conf"
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(concatStringsSep "\n"
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(configFile (typeChecked "" t params)));
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in longrun {
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name = "ntp"; # bad name, needs to be unique
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run = "${chrony}/bin/chronyd -f ${config} -d";
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}
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@ -7,6 +7,7 @@ in rec {
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imports = [
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./modules/tftpboot.nix
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./modules/wlan.nix
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./modules/ntp
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];
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services.loopback = config.hardware.networkInterfaces.lo;
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@ -36,16 +37,9 @@ in rec {
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dependencies = [iface];
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};
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services.ntp =
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let config = writeText "chrony.conf" ''
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pool pool.ntp.org iburst
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dumpdir /run/chrony
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makestep 1.0 3
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'';
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in longrun {
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name = "ntp";
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run = "${pkgs.chrony}/bin/chronyd -f ${config} -d";
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};
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services.ntp = config.system.service.ntp {
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pools = { "pool.ntp.org" = ["iburst"] ; };
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};
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services.default = target {
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name = "default";
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