Function createResourceProviderDirectory

src/slave/paths.cpp:938–977

string createResourceProviderDirectory(
    const string& rootDir,
    const SlaveID& slaveId,
    const string& resourceProviderType,
    const string& resourceProviderName,
    const ResourceProviderID& resourceProviderId)
{
  const string directory = getResourceProviderPath(
      rootDir,
      slaveId,
      resourceProviderType,
      resourceProviderName,
      resourceProviderId);

  Try<Nothing> mkdir = os::mkdir(directory);

  CHECK_SOME(mkdir)
    << "Failed to create resource provider directory '" << directory << "'";

  // Remove the previous "latest" symlink.
  const string latest = getLatestResourceProviderPath(
      rootDir,
      slaveId,
      resourceProviderType,
      resourceProviderName);

  if (os::exists(latest)) {
    CHECK_SOME(os::rm(latest))
      << "Failed to remove latest symlink '" << latest << "'";
  }

  // Symlink the new resource provider directory to "latest".
  Try<Nothing> symlink = ::fs::symlink(directory, latest);

  CHECK_SOME(symlink)
    << "Failed to symlink directory '" << directory
    << "' to '" << latest << "'";

  return directory;
}

} // namespace paths {
} // namespace slave {