86 lines
2.4 KiB
Nix
86 lines
2.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.corerad;
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writeTOML = name: x:
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pkgs.runCommandNoCCLocal name {
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passAsFile = ["config"];
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config = builtins.toJSON x;
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buildInputs = [ pkgs.go-toml ];
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} "jsontoml < $configPath > $out";
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in {
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meta.maintainers = with maintainers; [ mdlayher ];
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options.services.corerad = {
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enable = mkEnableOption "CoreRAD IPv6 NDP RA daemon";
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settings = mkOption {
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type = types.uniq types.attrs;
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example = literalExample ''
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{
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interfaces = [
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# eth0 is an upstream interface monitoring for IPv6 router advertisements.
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{
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name = "eth0";
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monitor = true;
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}
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# eth1 is a downstream interface advertising IPv6 prefixes for SLAAC.
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{
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name = "eth1";
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advertise = true;
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prefix = [{ prefix = "::/64"; }];
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}
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];
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# Optionally enable Prometheus metrics.
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debug = {
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address = "localhost:9430";
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prometheus = true;
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};
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}
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'';
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description = ''
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Configuration for CoreRAD, see <link xlink:href="https://github.com/mdlayher/corerad/blob/master/internal/config/default.toml"/>
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for supported values. Ignored if configFile is set.
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'';
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};
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configFile = mkOption {
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type = types.path;
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example = literalExample "\"\${pkgs.corerad}/etc/corerad/corerad.toml\"";
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description = "Path to CoreRAD TOML configuration file.";
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};
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package = mkOption {
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default = pkgs.corerad;
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defaultText = literalExample "pkgs.corerad";
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type = types.package;
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description = "CoreRAD package to use.";
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};
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};
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config = mkIf cfg.enable {
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# Prefer the config file over settings if both are set.
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services.corerad.configFile = mkDefault (writeTOML "corerad.toml" cfg.settings);
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systemd.services.corerad = {
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description = "CoreRAD IPv6 NDP RA daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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LimitNPROC = 512;
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LimitNOFILE = 1048576;
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CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_RAW";
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AmbientCapabilities = "CAP_NET_ADMIN CAP_NET_RAW";
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NoNewPrivileges = true;
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DynamicUser = true;
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ExecStart = "${getBin cfg.package}/bin/corerad -c=${cfg.configFile}";
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Restart = "on-failure";
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};
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};
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};
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}
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