depot/third_party/nixpkgs/pkgs/applications/virtualization/firecracker/default.nix

{ fetchurl, stdenv }:

let
  version = "0.21.1";

  suffix = {
    x86_64-linux  = "x86_64";
    aarch64-linux = "aarch64";
  }."${stdenv.hostPlatform.system}" or (throw "Unsupported system: ${stdenv.hostPlatform.system}");

  baseurl = "https://github.com/firecracker-microvm/firecracker/releases/download";
  fetchbin = name: sha256: fetchurl {
    url    = "${baseurl}/v${version}/${name}-v${version}-${suffix}";
    sha256 = sha256."${stdenv.hostPlatform.system}";
  };

  firecracker-bin = fetchbin "firecracker" {
    x86_64-linux = "0g4fja3bz1fsyz8vj99199yblkn46ygf33ldwd1ssw8f957vbwnb";
    aarch64-linux = "1qyppcxnh7f42fs4px5rvkk6lza57h2sq9naskvqn5zy4vsvq89s";
  };

  jailer-bin = fetchbin "jailer" {
    x86_64-linux = "0x89pfmqci9d3i9fi9b9zm94yr2v7pq7kp3drlb952jkdfj0njyk";
    aarch64-linux = "03fx9sk88jm23wqm8fraqd1ccfhbqvc310mkfv1f5p2ykhq2ahrk";
  };

in
stdenv.mkDerivation {
  pname = "firecracker";
  inherit version;
  srcs = [ firecracker-bin jailer-bin ];

  unpackPhase    = ":";
  configurePhase = ":";

  buildPhase     = ''
    cp ${firecracker-bin} firecracker
    cp ${jailer-bin}      jailer
    chmod +x firecracker jailer
  '';

  doCheck = true;
  checkPhase = ''
    ./firecracker --version
    ./jailer --version
  '';

  installPhase = ''
    mkdir -p $out/bin
    install -D firecracker $out/bin/firecracker
    install -D jailer      $out/bin/jailer
  '';

  meta = with stdenv.lib; {
    description = "Secure, fast, minimal micro-container virtualization";
    homepage    = "http://firecracker-microvm.io";
    license     = licenses.asl20;
    platforms   = [ "x86_64-linux" "aarch64-linux" ];
    maintainers = with maintainers; [ thoughtpolice ];
  };
}