61 lines
2.6 KiB
Nix
61 lines
2.6 KiB
Nix
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{ lib
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, config
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, pkgs
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, utils
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, ... }:
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let
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cfg = config.router;
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in {
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config = lib.mkIf cfg.enable {
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systemd.services = lib.mapAttrs' (interface: icfg: let
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cfg = icfg.ipv6.corerad;
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escapedInterface = utils.escapeSystemdPath interface;
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settingsFormat = pkgs.formats.toml {};
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configFile = if cfg.configFile != null then cfg.configFile else settingsFormat.generate "corerad-${escapedInterface}.toml" ({
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interfaces = [
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(rec {
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name = interface;
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monitor = false;
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advertise = true;
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managed = icfg.ipv6.kea.enable && builtins.any (x: lib.hasInfix ":" x.address) icfg.ipv6.addresses;
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other_config = managed && cfg.interfaceSettings.managed or true;
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prefix = map ({ address, prefixLength, coreradSettings, ... }: {
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prefix = "${address}/${toString prefixLength}";
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autonomous = !(other_config && cfg.interfaceSettings.other_config or true);
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} // coreradSettings) icfg.ipv6.addresses;
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route = builtins.concatLists (map ({ address, prefixLength, gateways, ... }: map (gateway: {
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prefix = "${if builtins.isString gateway then gateway else gateway.address}/${toString (if gateway.prefixLength or null != null then gateway.prefixLength else prefixLength)}";
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} // (gateway.coreradSettings or { })) gateways) icfg.ipv6.addresses);
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rdnss = builtins.concatLists (map ({ dns, ... }: map (dns: {
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servers = if builtins.isString dns then dns else dns.address;
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} // (dns.coreradSettings or { })) dns) icfg.ipv6.addresses);
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} // cfg.interfaceSettings)
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];
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} // cfg.settings);
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package = pkgs.corerad;
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in {
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name = "corerad-${escapedInterface}";
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value = lib.mkIf icfg.ipv6.corerad.enable {
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description = "CoreRAD IPv6 NDP RA daemon (${interface})";
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after = [ "network.target" "sys-subsystem-net-devices-${escapedInterface}.device" ];
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bindsTo = [ "sys-subsystem-net-devices-${escapedInterface}.device" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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LimitNPROC = 512;
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LimitNOFILE = 1048576;
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CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_RAW";
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AmbientCapabilities = "CAP_NET_ADMIN CAP_NET_RAW";
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NoNewPrivileges = true;
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DynamicUser = true;
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Type = "notify";
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NotifyAccess = "main";
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ExecStart = "${lib.getBin package}/bin/corerad -c=${configFile}";
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Restart = "on-failure";
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RestartKillSignal = "SIGHUP";
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};
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};
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}) cfg.interfaces;
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};
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}
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