helm/modules/navidrome.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.navidrome;
configFile = "/etc/navidrome/settings.json";
dataFolder = "/var/lib/navidrome";
in {
options = {
services.navidrome = {
enable = mkEnableOption "Navidrome music server and streamer";
settings = lib.mkOption {
type = with types; attrsOf (oneOf [ int str ]);
default = {};
example = literalExample ''
{
LogLevel = "INFO";
BaseURL = "/music";
ScanInterval = "10s";
TranscodingCacheSize = "15MB";
MusicFolder = "/data/music";
};
'';
description = ''
Configuration for Navidrome, see <link xlink:href="https://www.navidrome.org/docs/usage/configuration-options/"/> for supported values.
'';
};
user = mkOption {
type = types.str;
default = "navidrome";
description = "User account under which Navidrome runs.";
};
group = mkOption {
type = types.str;
default = "navidrome";
description = "Group account under which Navidrome runs.";
};
};
};
config = mkIf cfg.enable {
environment.etc."navidrome/settings.json".text = builtins.toJSON cfg.settings;
services.navidrome.settings = {
DataFolder = dataFolder;
ConfigFile = configFile;
};
systemd.services.navidrome = {
description = "Navidrome Music Server and Streamer compatible with Subsonic/Airsonic";
after = [ "remote-fs.target" "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = {
ND_CONFIGFILE = configFile;
};
serviceConfig = {
ExecStart = "${pkgs.navidrome}/bin/navidrome";
WorkingDirectory = dataFolder;
TimeoutStopSec = "20";
KillMode = "process";
Restart = "on-failure";
User = cfg.user;
Group = cfg.group;
DevicePolicy = "closed";
NoNewPrivileges= " yes";
PrivateTmp = "yes";
PrivateUsers = "yes";
ProtectControlGroups = "yes";
ProtectKernelModules = "yes";
ProtectKernelTunables = "yes";
RestrictAddressFamilies = "AF_UNIX AF_INET AF_INET6";
RestrictNamespaces = "yes";
RestrictRealtime = "yes";
SystemCallFilter = "~@clock @debug @module @mount @obsolete @privileged @reboot @setuid @swap";
ReadWritePaths = dataFolder;
StateDirectory = baseNameOf dataFolder;
};
};
users.users = optionalAttrs (cfg.user == "navidrome") ({
navidrome = {
description = "Navidrome service user";
name = cfg.user;
group = cfg.group;
isSystemUser = true;
};
});
users.groups = optionalAttrs (cfg.group == "navidrome") ({
navidrome = {};
});
};
}