117 lines
3.2 KiB
Nix
117 lines
3.2 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.services.zeronsd;
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settingsFormat = pkgs.formats.json { };
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in
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{
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options.services.zeronsd.servedNetworks = lib.mkOption {
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default = { };
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example = {
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"a8a2c3c10c1a68de".settings.token = "/var/lib/zeronsd/apitoken";
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};
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description = "ZeroTier Networks to start zeronsd instances for.";
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type = lib.types.attrsOf (
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lib.types.submodule {
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options = {
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package = lib.mkPackageOption pkgs "zeronsd" { };
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settings = lib.mkOption {
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description = "Settings for zeronsd";
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default = { };
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type = lib.types.submodule {
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freeformType = settingsFormat.type;
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options = {
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domain = lib.mkOption {
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default = "home.arpa";
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type = lib.types.singleLineStr;
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description = "Domain under which ZeroTier records will be available.";
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};
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token = lib.mkOption {
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type = lib.types.path;
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description = "Path to a file containing the API Token for ZeroTier Central.";
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};
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log_level = lib.mkOption {
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default = "warn";
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type = lib.types.enum [
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"off"
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"error"
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"warn"
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"info"
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"debug"
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"trace"
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];
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description = "Log Level.";
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};
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wildcard = lib.mkOption {
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default = false;
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type = lib.types.bool;
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description = "Whether to serve a wildcard record for ZeroTier Nodes.";
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};
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};
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};
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};
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};
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}
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);
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};
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config = lib.mkIf (cfg.servedNetworks != { }) {
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assertions = [
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{
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assertion = config.services.zerotierone.enable;
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message = "zeronsd needs a configured zerotier-one";
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}
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];
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systemd.services = lib.mapAttrs' (netname: netcfg: {
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name = "zeronsd-${netname}";
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value = {
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description = "ZeroTier DNS server for Network ${netname}";
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wantedBy = [ "multi-user.target" ];
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after = [
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"network.target"
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"zerotierone.service"
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];
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wants = [ "network-online.target" ];
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serviceConfig =
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let
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configFile = pkgs.writeText "zeronsd.json" (builtins.toJSON netcfg.settings);
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in
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{
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ExecStart = "${netcfg.package}/bin/zeronsd start --config ${configFile} --config-type json ${netname}";
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Restart = "on-failure";
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RestartSec = 2;
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TimeoutStopSec = 5;
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User = "zeronsd";
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Group = "zeronsd";
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AmbientCapabilities = "CAP_NET_BIND_SERVICE";
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};
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};
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}) cfg.servedNetworks;
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systemd.tmpfiles.rules = [
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"a+ /var/lib/zerotier-one - - - - u:zeronsd:x"
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"a+ /var/lib/zerotier-one/authtoken.secret - - - - mask::r,u:zeronsd:r"
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];
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users.users.zeronsd = {
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group = "zeronsd";
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description = "Service user for running zeronsd";
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isSystemUser = true;
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};
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users.groups.zeronsd = { };
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};
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}
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