logical.nix

with import <nixpkgs/lib>;

let
  
  app = pkgs.callPackage ./default.nix {};

in {

  network.description = "whup";

} // listToAttrs (map (n: nameValuePair "agent${toString n}" (
  { pkgs, ... }:
    let app = pkgs.callPackage ./default.nix {};
    in {

    networking.firewall.enable = false;
    
    systemd.services.wallet = {
      enable = true;
      wantedBy = ["multi-user.target"];
      
      description = "Agent";
      after = [ "network-online.target" ];
      script=''
        ${app}/bin/app.py
      '';
    };

    services.openssh.enable = true;
  }
)) (range 1 10))

virtual.nix

with import <nixpkgs/lib>;

listToAttrs (map (n: nameValuePair "agent${toString n}" {

  deployment.targetEnv = "virtualbox";
  deployment.virtualbox.headless = true;
  
}) (range 1 10))