nix-bitcoin/modules/nanopos.nix
2019-01-02 15:17:57 +00:00

84 lines
1.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.nanopos;
defaultItemsFile = pkgs.writeText "items.yaml" ''
tea:
price: 0.02 # denominated in the currency specified by --currency
title: Green Tea # title is optional, defaults to the key
coffee:
price: 1
bamba:
price: 3
beer:
price: 7
hat:
price: 15
tshirt:
price: 25
'';
in {
options.services.nanopos = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, the nanopos service will be installed.
'';
};
port = mkOption {
type = types.ints.u16;
default = 9116;
description = ''
"The port on which to listen for connections.";
'';
};
itemsFile = mkOption {
type = types.path;
default = defaultItemsFile;
description = ''
"The items file (see nanopos README).";
'';
};
};
config = mkIf cfg.enable {
users.users.nanopos =
{
description = "nanopos User";
group = "nanopos";
extraGroups = [ "keys" ];
};
users.groups.nanopos = {
name = "nanopos";
};
systemd.services.nanopos = {
description = "Run nanopos";
wantedBy = [ "multi-user.target" ];
requires = [ "lightning-charge.service" ];
after = [ "lightning-charge.service" ];
serviceConfig = {
EnvironmentFile = "/secrets/lightning-charge-api-token-for-nanopos";
ExecStart = "${pkgs.nanopos.package}/bin/nanopos -y ${cfg.itemsFile} -p ${toString cfg.port} --show-bolt11";
User = "nanopos";
Restart = "on-failure";
RestartSec = "10s";
PrivateTmp = "true";
ProtectSystem = "full";
NoNewPrivileges = "true";
PrivateDevices = "true";
};
};
};
}