{ lib, ... }:
let
  inherit (lib.my) net;
  inherit (lib.my.c) pubDomain;
  inherit (lib.my.c.home) domain prefixes vips hiMTU;
in
{
  nixos.systems.cellar = {
    system = "x86_64-linux";
    nixpkgs = "mine";

    assignments = {
      hi = {
        inherit domain;
        mtu = hiMTU;
        ipv4 = {
          address = net.cidr.host 80 prefixes.hi.v4;
          mask = 22;
          gateway = vips.hi.v4;
        };
        ipv6 = {
          iid = "::4:1";
          address = net.cidr.host (65536*4+1) prefixes.hi.v6;
        };
      };
    };

    configuration = { lib, pkgs, modulesPath, config, assignments, allAssignments, ... }:
      let
        inherit (lib) mkMerge;
        inherit (lib.my) networkdAssignment;
      in
      {
        imports = [
          "${modulesPath}/profiles/qemu-guest.nix"
          ./spdk.nix
        ];

        config = mkMerge [
          {
            boot = {
              kernelParams = [ "console=ttyS0,115200n8" "intel_iommu=on" ];
            };

            fileSystems = {
              "/boot" = {
                device = "/dev/disk/by-partuuid/f7562ee6-34c1-4e94-8ae7-c6e71794d563";
                fsType = "vfat";
              };
              "/nix" = {
                device = "/dev/disk/by-uuid/f31f6abd-0832-4014-a761-f3c3126d5739";
                fsType = "ext4";
              };
              "/persist" = {
                device = "/dev/disk/by-uuid/620364e3-3a30-4704-be80-8593516e7482";
                fsType = "ext4";
                neededForBoot = true;
              };
            };

            networking = { inherit domain; };

            environment.systemPackages = with pkgs; [
              pciutils
              partclone
            ];

            services = {
              netdata.enable = true;
            };

            systemd.network = {
              links = {
                "10-lan-hi" = {
                  matchConfig.PermanentMACAddress = "52:54:00:cc:3e:70";
                  linkConfig.Name = "lan-hi";
                };
              };

              networks = {
                "80-lan-hi" = networkdAssignment "lan-hi" assignments.hi;
              };
            };

            my = {
              secrets.key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDcklmJp8xVRddNDU1DruKV+Ipim3Jtl6nE1oCWmpmZH";
              server.enable = true;
              deploy.node.hostname = "192.168.68.80";

              firewall = {
                tcp.allowed = [ 19999 ];
              };
            };
          }
        ];
      };
  };
}