infra/services/baremetal-builder/assignments.nix

# This file contains information on which builder(s) are providing how many
# job slots and providing which nix features
let
  genBuilders = { offset ? 0, count, f }: builtins.genList (x: rec { name = "builder-${toString (offset + x)}"; value = f name; }) count;
in builtins.listToAttrs (
  # The first 8 builders are general purpose hydra builders
  genBuilders { count = 8; f = name: {
    cores = 8;
    max-jobs = 8;
    supported-features = [ "kvm" "nixos-test" ];
    required-features = [ ];
  }; }
  ++
  # The last 2 builders are exclusively for big-parallel
  genBuilders { offset = 8; count = 2; f = name: {
    cores = 20;
    max-jobs = 1;
    supported-features = [ "kvm" "nixos-test" "big-parallel" ];
    required-features = [ "big-parallel" ];
  }; }
  ++
  # These are not currently used for hydra
  genBuilders { offset = 10; count = 1; f = name: {
    cores = 8;
    max-jobs = 8;
    supported-features = [ "kvm" "nixos-test" "big-parallel" ];
    required-features = [ ];
  }; }
)