lnbits/nix/modules/lnbits-service.nix
2022-07-08 11:06:26 +01:00

107 lines
2.6 KiB
Nix

{ config, pkgs, lib, ... }:
let
defaultUser = "lnbits";
cfg = config.services.lnbits;
inherit (lib) mkOption mkIf types optionalAttrs;
in
{
options = {
services.lnbits = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Whether to enable the lnbits service
'';
};
openFirewall = mkOption {
type = types.bool;
default = false;
description = ''
Whether to open the ports used by lnbits in the firewall for the server
'';
};
package = mkOption {
type = types.package;
default = pkgs.lnbits;
description = ''
The lnbits package to use.
'';
};
stateDir = mkOption {
type = types.path;
default = "/var/lib/lnbits";
description = ''
The lnbits state directory which LNBITS_DATA_FOLDER will be set to
'';
};
host = mkOption {
type = types.str;
default = "127.0.0.1";
description = ''
The host to bind to
'';
};
port = mkOption {
type = types.port;
default = 8231;
description = ''
The port to run on
'';
};
user = mkOption {
type = types.str;
default = "lnbits";
description = "user to run lnbits as";
};
group = mkOption {
type = types.str;
default = "lnbits";
description = "group to run lnbits as";
};
};
};
config = mkIf cfg.enable {
users.users = optionalAttrs (cfg.user == defaultUser) {
${defaultUser} = {
isSystemUser = true;
group = defaultUser;
};
};
users.groups = optionalAttrs (cfg.group == defaultUser) {
${defaultUser} = { };
};
systemd.tmpfiles.rules = [
"d ${cfg.stateDir} 0700 ${cfg.user} ${cfg.group} - -"
];
systemd.services.lnbits = {
enable = true;
description = "lnbits";
wantedBy = [ "multi-user.target" ];
after = [ "network-online.target" ];
environment = {
LNBITS_DATA_FOLDER = "${cfg.stateDir}";
};
serviceConfig = {
User = cfg.user;
Group = cfg.group;
WorkingDirectory = "${cfg.package.src}";
StateDirectory = "${cfg.stateDir}";
ExecStart = "${lib.getExe cfg.package} --port ${toString cfg.port} --host ${cfg.host}";
Restart = "always";
PrivateTmp = true;
};
};
networking.firewall = mkIf cfg.openFirewall {
allowedTCPPorts = [ cfg.port ];
};
};
}