Function main

src/local/main.cpp:66–115

int main(int argc, char **argv)
{
  GOOGLE_PROTOBUF_VERIFY_VERSION;

  // TODO(benh): Inherit from both slave::Flags and master::Flags in
  // order to pass those flags on to the master. Alternatively, add a
  // way to load flags and ignore unknowns in order to load
  // master::flags, then slave::Flags, then local::Flags.
  Flags flags;

  flags.setUsageMessage(
      "Usage: " + Path(argv[0]).basename() + " [...]\n\n" +
      "Launches an in-memory cluster within a single process.");

  // Load flags from environment and command line but allow unknown
  // flags since we might have some master/slave flags as well.
  Try<flags::Warnings> load = flags.load("MESOS_", argc, argv, true);

  if (flags.help) {
    cout << flags.usage() << endl;
    return EXIT_SUCCESS;
  }

  if (load.isError()) {
    cerr << flags.usage(load.error()) << endl;
    return EXIT_FAILURE;
  }

  logging::initialize(argv[0], false, flags);

  // Log any flag warnings (after logging is initialized).
  foreach (const flags::Warning& warning, load->warnings) {
    LOG(WARNING) << warning.message;
  }

  // Initialize libprocess.
  os::setenv("LIBPROCESS_PORT", stringify(flags.port));

  if (flags.ip.isSome()) {
    os::setenv("LIBPROCESS_IP", flags.ip.get());
  }

  process::initialize("master");

  spawn(new VersionProcess(), true);

  process::wait(local::launch(flags));

  return EXIT_SUCCESS;
}