mirror of
https://github.com/NixOS/nixpkgs.git
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2e751c0772
the conversion procedure is simple: - find all things that look like options, ie calls to either `mkOption` or `lib.mkOption` that take an attrset. remember the attrset as the option - for all options, find a `description` attribute who's value is not a call to `mdDoc` or `lib.mdDoc` - textually convert the entire value of the attribute to MD with a few simple regexes (the set from mdize-module.sh) - if the change produced a change in the manual output, discard - if the change kept the manual unchanged, add some text to the description to make sure we've actually found an option. if the manual changes this time, keep the converted description this procedure converts 80% of nixos options to markdown. around 2000 options remain to be inspected, but most of those fail the "does not change the manual output check": currently the MD conversion process does not faithfully convert docbook tags like <code> and <package>, so any option using such tags will not be converted at all.
158 lines
5.1 KiB
Nix
158 lines
5.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.lokinet;
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dataDir = "/var/lib/lokinet";
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settingsFormat = pkgs.formats.ini { listsAsDuplicateKeys = true; };
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configFile = settingsFormat.generate "lokinet.ini" (lib.filterAttrsRecursive (n: v: v != null) cfg.settings);
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in with lib; {
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options.services.lokinet = {
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enable = mkEnableOption "Lokinet daemon";
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package = mkOption {
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type = types.package;
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default = pkgs.lokinet;
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defaultText = literalExpression "pkgs.lokinet";
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description = lib.mdDoc "Lokinet package to use.";
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};
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useLocally = mkOption {
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type = types.bool;
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default = false;
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example = true;
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description = lib.mdDoc "Whether to use Lokinet locally.";
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};
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settings = mkOption {
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type = with types;
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submodule {
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freeformType = settingsFormat.type;
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options = {
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dns = {
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bind = mkOption {
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type = str;
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default = "127.3.2.1";
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description = lib.mdDoc "Address to bind to for handling DNS requests.";
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};
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upstream = mkOption {
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type = listOf str;
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default = [ "9.9.9.10" ];
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example = [ "1.1.1.1" "8.8.8.8" ];
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description = lib.mdDoc ''
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Upstream resolver(s) to use as fallback for non-loki addresses.
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Multiple values accepted.
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'';
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};
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};
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network = {
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exit = mkOption {
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type = bool;
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default = false;
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description = lib.mdDoc ''
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Whether to act as an exit node. Beware that this
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increases demand on the server and may pose liability concerns.
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Enable at your own risk.
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'';
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};
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exit-node = mkOption {
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type = nullOr (listOf str);
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default = null;
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example = ''
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exit-node = [ "example.loki" ]; # maps all exit traffic to example.loki
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exit-node = [ "example.loki:100.0.0.0/24" ]; # maps 100.0.0.0/24 to example.loki
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'';
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description = ''
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Specify a `.loki` address and an optional ip range to use as an exit broker.
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See <link xlink:href="http://probably.loki/wiki/index.php?title=Exit_Nodes"/> for
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a list of exit nodes.
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'';
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};
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keyfile = mkOption {
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type = nullOr str;
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default = null;
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example = "snappkey.private";
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description = lib.mdDoc ''
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The private key to persist address with. If not specified the address will be ephemeral.
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This keyfile is generated automatically if the specified file doesn't exist.
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'';
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};
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};
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};
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};
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default = { };
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example = literalExpression ''
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{
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dns = {
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bind = "127.3.2.1";
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upstream = [ "1.1.1.1" "8.8.8.8" ];
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};
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network.exit-node = [ "example.loki" "example2.loki" ];
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}
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'';
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description = ''
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Configuration for Lokinet.
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Currently, the best way to view the available settings is by
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generating a config file using `lokinet -g`.
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'';
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};
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};
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config = mkIf cfg.enable {
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networking.resolvconf.extraConfig = mkIf cfg.useLocally ''
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name_servers="${cfg.settings.dns.bind}"
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'';
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systemd.services.lokinet = {
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description = "Lokinet";
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after = [ "network-online.target" "network.target" ];
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wants = [ "network-online.target" "network.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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ln -sf ${cfg.package}/share/bootstrap.signed ${dataDir}
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${pkgs.coreutils}/bin/install -m 600 ${configFile} ${dataDir}/lokinet.ini
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${optionalString (cfg.settings.network.keyfile != null) ''
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${pkgs.crudini}/bin/crudini --set ${dataDir}/lokinet.ini network keyfile "${dataDir}/${cfg.settings.network.keyfile}"
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''}
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'';
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serviceConfig = {
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DynamicUser = true;
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StateDirectory = "lokinet";
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AmbientCapabilities = [ "CAP_NET_ADMIN" "CAP_NET_BIND_SERVICE" ];
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ExecStart = "${cfg.package}/bin/lokinet ${dataDir}/lokinet.ini";
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Restart = "always";
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RestartSec = "5s";
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# hardening
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true;
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PrivateTmp = true;
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PrivateMounts = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectSystem = "strict";
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ReadWritePaths = "/dev/net/tun";
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK" ];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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};
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};
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environment.systemPackages = [ cfg.package ];
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};
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}
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