Function getContainerStatus

src/slave/containerizer/mesos/paths.cpp:125–156

Result<int> getContainerStatus(
    const string& runtimeDir,
    const ContainerID& containerId)
{
  const string path = path::join(
      getRuntimePath(runtimeDir, containerId),
      STATUS_FILE);

  if (!os::exists(path)) {
    return None();
  }

  Try<string> read = os::read(path);
  if (read.isError()) {
    return Error("Unable to read status for container '" +
                 containerId.value() + "' from checkpoint file '" +
                 path + "': " + read.error());
  }

  if (read.get() != "") {
    Try<int> containerStatus = numify<int>(read.get());
    if (containerStatus.isError()) {
      return Error("Unable to read status for container '" +
                   containerId.value() + "' as integer from '" +
                   path + "': " + read.error());
    }

    return containerStatus.get();
  }

  return None();
}


#ifndef __WINDOWS__