nixpkgs/nixos/modules/services/misc/nzbget.nix

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{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.nzbget;
nzbget = pkgs.nzbget;
in
{
options = {
services.nzbget = {
enable = mkEnableOption "NZBGet";
package = mkOption {
type = types.package;
default = pkgs.nzbget;
defaultText = "pkgs.nzbget";
description = "The NZBGet package to use";
};
user = mkOption {
type = types.str;
default = "nzbget";
description = "User account under which NZBGet runs";
};
group = mkOption {
type = types.str;
default = "nzbget";
description = "Group under which NZBGet runs";
};
};
};
config = mkIf cfg.enable {
systemd.services.nzbget = {
description = "NZBGet Daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
path = with pkgs; [
unrar
p7zip
];
preStart = ''
test -d /var/lib/nzbget || {
echo "Creating nzbget state directoy in /var/lib/"
mkdir -p /var/lib/nzbget
}
test -f /var/lib/nzbget/nzbget.conf || {
echo "nzbget.conf not found. Copying default config to /var/lib/nzbget/nzbget.conf"
cp ${cfg.package}/share/nzbget/nzbget.conf /var/lib/nzbget/nzbget.conf
echo "Setting file mode of nzbget.conf to 0700 (needs to be written and contains plaintext credentials)"
chmod 0700 /var/lib/nzbget/nzbget.conf
echo "Setting temporary \$MAINDIR variable in default config required in order to allow nzbget to complete initial start"
echo "Remember to change this to a proper value once NZBGet startup has been completed"
sed -i -e 's/MainDir=.*/MainDir=\/tmp/g' /var/lib/nzbget/nzbget.conf
}
echo "Ensuring proper ownership of /var/lib/nzbget (${cfg.user}:${cfg.group})."
chown -R ${cfg.user}:${cfg.group} /var/lib/nzbget
'';
serviceConfig = {
Type = "forking";
User = cfg.user;
Group = cfg.group;
PermissionsStartOnly = "true";
ExecStart = "${cfg.package}/bin/nzbget --daemon --configfile /var/lib/nzbget/nzbget.conf";
Restart = "on-failure";
};
};
users.extraUsers = mkIf (cfg.user == "nzbget") {
nzbget = {
group = cfg.group;
uid = config.ids.uids.nzbget;
};
};
users.extraGroups = mkIf (cfg.group == "nzbget") {
nzbget = {
gid = config.ids.gids.nzbget;
};
};
};
}