{ config, nodes, ... }:
let
  ssh-keys = import ../../common/ssh-keys.nix;
in
  [
    {
      hostName = "build01.aarch64.lix.systems";
      maxJobs = 2;
      protocol = "ssh-ng";
      sshKey = config.age.secrets.buildbot-remote-builder-key.path;
      sshUser = "nix";
      systems = [ "aarch64-linux" ];
      publicHostKey = ssh-keys.machines.build01-aarch64-lix;
      supportedFeatures = nodes.build01-aarch64-lix.config.nix.settings.system-features;
    }
    {
      hostName = "build02.aarch64.lix.systems";
      maxJobs = 4;
      protocol = "ssh-ng";
      sshKey = config.age.secrets.buildbot-remote-builder-key.path;
      sshUser = "nix";
      systems = [ "aarch64-linux" ];
      publicHostKey = ssh-keys.machines.build02-aarch64-lix;
      # TODO: use build02 features.
      supportedFeatures = nodes.build01-aarch64-lix.config.nix.settings.system-features;
    }
    {
      hostName = "build01.aarch64-darwin.lix.systems";
      maxJobs = 2;
      protocol = "ssh-ng";
      sshKey = config.age.secrets.buildbot-remote-builder-key.path;
      sshUser = "m1";
      systems = [ "aarch64-darwin" "x86_64-darwin" ];
      publicHostKey = ssh-keys.machines.build01-aarch64-darwin-lix;
      supportedFeatures = [ "big-parallel" ];
    }
    # a.k.a. https://git.newtype.fr/newtype/newtype-org-configurations/src/branch/main/docs/epyc.md
    {
      hostName = "epyc.infra.newtype.fr";
      # at 256G this could run 64 builds but the machine is shared
      # (and historically we used no more than 16 concurrent jobs)
      maxJobs = 16;
      protocol = "ssh-ng";
      sshKey = config.age.secrets.buildbot-remote-builder-key.path;
      sshUser = "nix";
      systems = [ "x86_64-linux" "i686-linux" ];
      publicHostKey = ssh-keys.machines.epyc-newtype-fr;
      supportedFeatures = [ "benchmark" "big-parallel" "nixos-test" "kvm" ];
    }
  ]