lib: build-timestamp: hostname: hostOpts:

with lib;
let
  pkgs-for = system: import nixpkgs {
    inherit system;
    config = {
      allowUnfree = true;
      permittedInsecurePackages = [
        "openssh-with-gssapi-8.4p1"
      ];
      overlays = [
        (import (fudo-pkgs + /overlay.nix))
        (import (fudo-nixos + /lib/overlay.nix))
      ];
    };
  };

in fudo-nixos.nixosConfigurations.${hostname} {

} // mapAttrs (hostname: hostOpts: let
  pkgs = pkgs-for hostOpts.arch;
  host-ip = networks.${hostOpts.domain}.hosts.${hostname}.ipv4-address;
in fudo-nixos.nixosConfigurations.${hostname} // {

  config = {
    nixpkgs.pkgs = pkgs;

    imports = [
      (host-config hostname)
    ];

    instance = { inherit hostname; };

    deployment.targetHost = host-ip;
  };
}) deployment-hosts