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|
{
pkgs,
config,
lib,
...
}:
let
cfg = config.services.bitmagnet;
inherit (lib)
mkEnableOption
mkIf
mkOption
mkPackageOption
optional
;
inherit (lib.types)
nullOr
bool
port
str
submodule
;
inherit (lib.generators) toYAML;
freeformType = (pkgs.formats.yaml { }).type;
in
{
options.services.bitmagnet = {
enable = mkEnableOption "Bitmagnet service";
useLocalPostgresDB = mkOption {
description = "Use a local postgresql database, create user and database";
type = bool;
default = true;
};
settings = mkOption {
description = "Bitmagnet configuration (https://bitmagnet.io/setup/configuration.html).";
default = { };
type = submodule {
inherit freeformType;
options = {
http_server = mkOption {
default = { };
description = "HTTP server settings";
type = submodule {
inherit freeformType;
options = {
local_address = mkOption {
type = str;
default = ":3333";
description = "HTTP server listen address";
};
};
};
};
dht_server = mkOption {
default = { };
description = "DHT server settings";
type = submodule {
inherit freeformType;
options = {
port = mkOption {
type = port;
default = 3334;
description = "DHT listen port";
};
};
};
};
postgres = mkOption {
default = { };
description = "PostgreSQL database configuration";
type = submodule {
inherit freeformType;
options = {
host = mkOption {
type = str;
default = "";
description = "Address, hostname or Unix socket path of the database server";
};
name = mkOption {
type = str;
default = "bitmagnet";
description = "Database name to connect to";
};
user = mkOption {
type = str;
default = "";
description = "User to connect as";
};
password = mkOption {
type = str;
default = "";
description = "Password for database user";
};
};
};
};
tmdb = mkOption {
default = { };
description = "TMDB api settings";
type = submodule {
inherit freeformType;
options = {
api_key = mkOption {
type = nullOr str;
default = null;
description = "TMDB api key, to avoid api limits. Leave null to use the default shared key.";
};
};
};
};
};
};
};
package = mkPackageOption pkgs "bitmagnet" { };
user = mkOption {
description = "User running bitmagnet";
type = str;
default = "bitmagnet";
};
group = mkOption {
description = "Group of user running bitmagnet";
type = str;
default = "bitmagnet";
};
openFirewall = mkOption {
description = "Open DHT ports in firewall";
type = bool;
default = false;
};
};
config = mkIf cfg.enable {
environment.etc."xdg/bitmagnet/config.yml" = {
text = toYAML { } cfg.settings;
mode = "0440";
user = cfg.user;
group = cfg.group;
};
systemd.services.bitmagnet = {
enable = true;
wantedBy = [ "multi-user.target" ];
after = [
"network.target"
]
++ optional cfg.useLocalPostgresDB "postgresql.target";
requires = optional cfg.useLocalPostgresDB "postgresql.target";
restartTriggers = [ config.environment.etc."xdg/bitmagnet/config.yml".source ];
serviceConfig = {
Type = "simple";
DynamicUser = true;
User = cfg.user;
Group = cfg.group;
ExecStart = "${cfg.package}/bin/bitmagnet worker run --all";
Restart = "on-failure";
WorkingDirectory = "/var/lib/bitmagnet";
StateDirectory = "bitmagnet";
BindReadOnlyPaths = [ "/etc/xdg/bitmagnet/config.yml" ];
# Sandboxing (sorted by occurrence in https://www.freedesktop.org/software/systemd/man/systemd.exec.html)
ProtectSystem = "strict";
ProtectHome = true;
PrivateTmp = true;
PrivateDevices = true;
ProtectHostname = true;
ProtectClock = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectKernelLogs = true;
ProtectControlGroups = true;
RestrictAddressFamilies = [
"AF_UNIX"
"AF_INET"
"AF_INET6"
];
RestrictNamespaces = true;
LockPersonality = true;
MemoryDenyWriteExecute = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
RemoveIPC = true;
PrivateMounts = true;
};
};
users.users = mkIf (cfg.user == "bitmagnet") {
bitmagnet = {
group = cfg.group;
isSystemUser = true;
};
};
users.groups = mkIf (cfg.group == "bitmagnet") { bitmagnet = { }; };
networking.firewall = mkIf cfg.openFirewall {
allowedTCPPorts = [ cfg.settings.dht_server.port ];
allowedUDPPorts = [ cfg.settings.dht_server.port ];
};
services.postgresql = mkIf cfg.useLocalPostgresDB {
enable = true;
ensureDatabases = [
cfg.settings.postgres.name
(if (cfg.settings.postgres.user == "") then cfg.user else cfg.settings.postgres.user)
];
ensureUsers = [
{
name = if (cfg.settings.postgres.user == "") then cfg.user else cfg.settings.postgres.user;
ensureDBOwnership = true;
}
];
};
};
meta.maintainers = with lib.maintainers; [ gileri ];
}
|
