Method acknowledgeOperationStatus

src/resource_provider/storage/provider.cpp:1507–1544

void StorageLocalResourceProviderProcess::acknowledgeOperationStatus(
    const Event::AcknowledgeOperationStatus& acknowledge)
{
  CHECK_EQ(READY, state);

  Try<id::UUID> operationUuid =
    id::UUID::fromBytes(acknowledge.operation_uuid().value());

  CHECK_SOME(operationUuid);

  Try<id::UUID> statusUuid =
    id::UUID::fromBytes(acknowledge.status_uuid().value());

  CHECK_SOME(statusUuid);

  auto err = [](const id::UUID& uuid, const string& message) {
    LOG(ERROR)
      << "Failed to acknowledge status update for operation (uuid: " << uuid
      << "): " << message;
  };

  // NOTE: It is possible that an incoming acknowledgement races with an
  // outgoing retry of status update, and then a duplicated
  // acknowledgement will be received. In this case, the following call
  // will fail, so we just leave an error log.
  statusUpdateManager.acknowledgement(operationUuid.get(), statusUuid.get())
    .then(defer(self(), [=](bool continuation) {
      if (!continuation) {
        operations.erase(operationUuid.get());
        checkpointResourceProviderState();
        garbageCollectOperationPath(operationUuid.get());
      }

      return Nothing();
    }))
    .onFailed(std::bind(err, operationUuid.get(), lambda::_1))
    .onDiscarded(std::bind(err, operationUuid.get(), "future discarded"));
}


void StorageLocalResourceProviderProcess::reconcileOperations(