Function ErrorToStatus

cpp/src/arrow/filesystem/s3_internal.h:169–199

// (e.g. "When completing multipart upload to bucket 'xxx', key 'xxx': ...")
template <typename ErrorType>
Status ErrorToStatus(const std::string& prefix, const std::string& operation,
                     const Aws::Client::AWSError<ErrorType>& error,
                     const std::optional<std::string>& region = std::nullopt) {
  // XXX Handle fine-grained error types
  // See
  // https://sdk.amazonaws.com/cpp/api/LATEST/namespace_aws_1_1_s3.html#ae3f82f8132b619b6e91c88a9f1bde371
  auto error_type = static_cast<Aws::S3::S3Errors>(error.GetErrorType());
  std::stringstream ss;
  ss << S3ErrorToString(error_type);
  if (error_type == Aws::S3::S3Errors::UNKNOWN) {
    ss << " (HTTP status " << static_cast<int>(error.GetResponseCode()) << ")";
  }

  // Possibly an error due to wrong region configuration from client and bucket.
  std::optional<std::string> wrong_region_msg = std::nullopt;
  if (region.has_value()) {
    const auto maybe_region = BucketRegionFromError(error);
    if (maybe_region.has_value() && maybe_region.value() != region.value()) {
      wrong_region_msg = " Looks like the configured region is '" + region.value() +
                         "' while the bucket is located in '" + maybe_region.value() +
                         "'.";
    }
  }

  auto request_id = error.GetRequestId();
  auto request_str = request_id.empty() ? "" : (" (Request ID: " + request_id + ")");

  return Status::IOError(prefix, "AWS Error ", ss.str(), " during ", operation,
                         " operation: ", error.GetMessage(), request_str,
                         wrong_region_msg.value_or(""));
}

template <typename ErrorType, typename... Args>
Status ErrorToStatus(const std::tuple<Args&...>& prefix, const std::string& operation,