···
+
{ config, lib, pkgs, ... }:
+
cfg = config.services.aria2;
+
homeDir = "/var/lib/aria2";
+
settingsDir = "${homeDir}";
+
sessionFile = "${homeDir}/aria2.session";
+
downloadDir = "${homeDir}/Downloads";
+
rangesToStringList = map (x: builtins.toString x.from +"-"+ builtins.toString x.to);
+
settingsFile = pkgs.writeText "aria2.conf"
+
listen-port=${concatStringsSep "," (rangesToStringList cfg.listenPortRange)}
+
rpc-listen-port=${toString cfg.rpcListenPort}
+
rpc-secret=${cfg.rpcSecret}
+
Whether or not to enable the headless Aria2 daemon service.
+
Aria2 daemon can be controlled via the RPC interface using
+
one of many WebUI (http://localhost:6800/ by default).
+
Targets are downloaded to ${downloadDir} by default and are
+
accessible to users in the "aria2" group.
+
Open the ports in the firewall. Defaults are:
+
- UDP 6881-6999 for transfers
+
downloadDir = mkOption {
+
default = "${downloadDir}";
+
Directory to store downloaded files.
+
listenPortRange = mkOption {
+
type = types.listOf types.attrs;
+
default = [ { from = 6881; to = 6999; } ];
+
Set UDP listening port range used by DHT(IPv4, IPv6) and UDP tracker.
+
rpcListenPort = mkOption {
+
description = "Specify a port number for JSON-RPC/XML-RPC server to listen to. Possible Values: 1024-65535";
+
Set RPC secret authorization token.
+
Read https://aria2.github.io/manual/en/html/aria2c.html#rpc-auth to know how this option value is used.
+
extraArguments = mkOption {
+
example = "--rpc-secret=12345 --enable-rpc --rpc-listen-all";
+
Additional arguments to be passed to Aria2.
+
config = mkIf cfg.enable {
+
# Need to open ports for proper functioning
+
networking.firewall = mkIf cfg.openPorts {
+
allowedUDPPortRanges = config.services.aria2.listenPortRange;
+
allowedTCPPorts = [ config.services.aria2.rpcListenPort ];
+
users.extraUsers.aria2 = {
+
uid = config.ids.uids.aria2;
+
description = "aria2 user";
+
users.extraGroups.aria2.gid = config.ids.gids.aria2;
+
systemd.services.aria2 = {
+
description = "aria2 Service";
+
after = [ "local-fs.target" "network.target" ];
+
wantedBy = [ "multi-user.target" ];
+
mkdir -m 0770 -p "${homeDir}"
+
chown aria2:aria2 "${homeDir}"
+
if [[ ! -d "${config.services.aria2.downloadDir}" ]]
+
mkdir -m 0770 -p "${config.services.aria2.downloadDir}"
+
chown aria2:aria2 "${config.services.aria2.downloadDir}"
+
if [[ ! -e "${sessionFile}" ]]
+
chown aria2:aria2 "${sessionFile}"
+
cp -f "${settingsFile}" "${settingsDir}/aria2.conf"
+
ExecStart = "${pkgs.aria2}/bin/aria2c --enable-rpc --conf-path=${settingsDir}/aria2.conf ${config.services.aria2.extraArguments} --save-session=${sessionFile}";
+
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+
PermissionsStartOnly = true;