text: from oslo_log import log as logging
  
  LOG = logging.getLogger(__name__)
  
  ATTR_NOT_SPECIFIED = object()
  UUID_LEN = 36
  NAME_MAX_LEN = 255
  INPUT_MAX_LEN = 1024
  TENANT_ID_MAX_LEN = 36
  IP_LEN = 15
  TYPE_LEN = 20
  STATUS_LEN = 2
  TTL_LEN = 10
  TYPES_LEN = 15
  FIVE_LEN = 5
  TEN_LEN = 10
  SIXTYFOUR_LEN = 64
  