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259d112c05
Gonic accesses external services (e.g. Listenbrainz or last.FM) for scrobbling, but it was previously not allowed to read `/etc/resolv.conf`. This had the effect that, unless a local resolver was configured on the system, any connection attempt would fail due to DNS resolution being unavailable.
91 lines
2.8 KiB
Nix
91 lines
2.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.gonic;
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settingsFormat = pkgs.formats.keyValue {
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mkKeyValue = lib.generators.mkKeyValueDefault { } " ";
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listsAsDuplicateKeys = true;
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};
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in
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{
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options = {
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services.gonic = {
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enable = mkEnableOption (lib.mdDoc "Gonic music server");
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settings = mkOption rec {
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type = settingsFormat.type;
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apply = recursiveUpdate default;
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default = {
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listen-addr = "127.0.0.1:4747";
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cache-path = "/var/cache/gonic";
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tls-cert = null;
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tls-key = null;
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};
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example = {
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music-path = [ "/mnt/music" ];
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podcast-path = "/mnt/podcasts";
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};
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description = lib.mdDoc ''
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Configuration for Gonic, see <https://github.com/sentriz/gonic#configuration-options> for supported values.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.gonic = {
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description = "Gonic Media Server";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart =
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let
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# these values are null by default but should not appear in the final config
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filteredSettings = filterAttrs (n: v: !((n == "tls-cert" || n == "tls-key") && v == null)) cfg.settings;
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in
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"${pkgs.gonic}/bin/gonic -config-path ${settingsFormat.generate "gonic" filteredSettings}";
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DynamicUser = true;
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StateDirectory = "gonic";
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CacheDirectory = "gonic";
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WorkingDirectory = "/var/lib/gonic";
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RuntimeDirectory = "gonic";
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RootDirectory = "/run/gonic";
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ReadWritePaths = "";
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BindReadOnlyPaths = [
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# gonic can access scrobbling services
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"-/etc/resolv.conf"
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"-/etc/ssl/certs/ca-certificates.crt"
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builtins.storeDir
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cfg.settings.podcast-path
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] ++ cfg.settings.music-path
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++ lib.optional (cfg.settings.tls-cert != null) cfg.settings.tls-cert
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++ lib.optional (cfg.settings.tls-key != null) cfg.settings.tls-key;
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CapabilityBoundingSet = "";
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
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RestrictNamespaces = true;
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PrivateDevices = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [ "@system-service" "~@privileged" ];
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RestrictRealtime = true;
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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UMask = "0066";
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ProtectHostname = true;
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};
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};
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};
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meta.maintainers = [ maintainers.autrimpo ];
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}
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