148 lines
3.7 KiB
Nix
148 lines
3.7 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.flap-alerted;
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settingsArgs = lib.pipe cfg.settings [
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(lib.mapAttrsToList (
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name: value:
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if value == null || value == false then
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[ ]
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else if value == true then
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[ "-${name}" ]
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else
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[
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"-${name}"
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(toString value)
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]
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))
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lib.concatLists
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];
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in
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{
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meta.maintainers = with lib.maintainers; [ defelo ];
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options.services.flap-alerted = {
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enable = lib.mkEnableOption "FlapAlerted";
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package = lib.mkPackageOption pkgs "flap-alerted" { };
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environmentFiles = lib.mkOption {
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type = lib.types.listOf lib.types.path;
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default = [ ];
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example = [ "/run/secrets/flap-alerted.env" ];
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description = ''
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Files to load environment variables from.
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This is useful to avoid putting secrets into the nix store.
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See <https://github.com/Kioubit/FlapAlerted> for a list of options.
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'';
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};
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extraArgs = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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description = ''
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Extra command line arguments to pass to FlapAlerted.
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See <https://github.com/Kioubit/FlapAlerted> for a list of options.
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'';
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default = [ ];
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};
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settings = lib.mkOption {
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description = ''
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Configuration of FlapAlerted.
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See <https://github.com/Kioubit/FlapAlerted> for a list of options.
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'';
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default = { };
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type = lib.types.submodule {
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freeformType = lib.types.attrsOf (
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lib.types.nullOr (
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lib.types.oneOf [
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lib.types.str
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lib.types.int
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lib.types.bool
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]
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)
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);
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options = {
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asn = lib.mkOption {
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type = lib.types.ints.u32;
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description = "Your ASN number";
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};
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bgpListenAddress = lib.mkOption {
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type = lib.types.str;
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description = "Address to listen on for incoming BGP connections";
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default = ":1790";
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};
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debug = lib.mkOption {
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type = lib.types.bool;
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description = "Enable debug mode (produces a lot of output)";
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default = false;
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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.enable {
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systemd.services.flap-alerted = {
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wantedBy = [ "multi-user.target" ];
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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User = "flap-alerted";
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Group = "flap-alerted";
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DynamicUser = true;
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EnvironmentFile = cfg.environmentFiles;
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ExecStart = lib.escapeShellArgs ([ (lib.getExe cfg.package) ] ++ settingsArgs ++ cfg.extraArgs);
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# Hardening
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AmbientCapabilities = "";
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CapabilityBoundingSet = [ "" ];
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DevicePolicy = "closed";
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true;
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PrivateDevices = true;
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PrivateTmp = true;
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PrivateUsers = true;
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ProcSubset = "pid";
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ProtectClock = 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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ProtectProc = "invisible";
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ProtectSystem = "strict";
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RemoveIPC = true;
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RestrictAddressFamilies = [ "AF_INET AF_INET6" ];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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"~@privileged"
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"~@resources"
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];
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UMask = "0077";
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};
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};
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};
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}
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