code: func (m *metadata) InstanceType(ctx context.Context, name types.NodeName) (string, error) {
  	instanceType, err := m.get(metadataTypeInstanceType)
  	if err != nil {
  		return "", fmt.Errorf("could not get instance type: %v", err)
  	}
  
  	return instanceType, nil
  }
docs: // InstanceType returns the type of the specified instance.