docs: def _handle_salt_host_resource(resource):
      '''
      Handles salt_host resources.
      See https://github.com/dmacvicar/terraform-provider-salt
  
      Returns roster attributes for the resource or None
      '''
      ret = {}
      attrs = resource.get('primary', {}).get('attributes', {})
      ret[MINION_ID] = attrs.get(MINION_ID)
      valid_attrs = set(attrs.keys()).intersection(TF_ROSTER_ATTRS.keys())
      for attr in valid_attrs:
          ret[attr] = _cast_output_to_type(attrs.get(attr), TF_ROSTER_ATTRS.get(attr))
      return ret