dynamodb.module.nix

# Copyright © Brrr Authors
#
# Licensed under AGPLv3-only. See README for year and details.

# Dynamodb module for NixOS.  No frills just local ephemeral host.

{ lib, pkgs, config, ... }: {
  options.services.dynamodb = {
    enable = lib.mkEnableOption "dynamodb";
    openFirewall = lib.mkOption {
      type = lib.types.bool;
      default = false;
    };
  };
  config = let
    cfg = config.services.dynamodb;
  in lib.mkIf cfg.enable {
    systemd.services.dynamodb = {
      after = [ "network.target" ];
      wantedBy = [ "multi-user.target" ];
      script = ''
        exec ${lib.getExe pkgs.dynamodb-local} -dbPath /var/lib/dynamodb
      '';
      serviceConfig = {
        Type = "simple";
        User = "dynamodb";
        Group = "dynamodb";
      };
    };
    users.users.dynamodb = {
      group = "dynamodb";
      home = "/var/lib/dynamodb";
      useDefaultShell = true;
      isSystemUser = true;
      createHome = true;
    };
    users.groups.dynamodb = {};
    networking.firewall.allowedTCPPorts = lib.optionals cfg.openFirewall [ 8000 ];
  };
}