#!/usr/bin/env python
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#     http://www.apache.org/licenses/LICENSE-2.0
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import os

from django.utils.translation import ugettext_lazy as _t

from desktop.lib.conf import Config, validate_thrift_transport


HBASE_CLUSTERS = Config(
  key="hbase_clusters",
  default="(Cluster|localhost:9090)",
  help=_t("Comma-separated list of HBase Thrift servers for clusters in the format of '(name|host:port)'. Use full hostname with security."),
  type=str)

TRUNCATE_LIMIT = Config(
  key="truncate_limit",
  default="500",
  help=_t("Hard limit of rows or columns per row fetched before truncating."),
  type=int)

THRIFT_TRANSPORT = Config(
  key="thrift_transport",
  default="buffered",
  help=_t("'buffered' is the default of the HBase Thrift Server and supports security. " +
       "'framed' can be used to chunk up responses, " +
       "which is useful when used in conjunction with the nonblocking server in Thrift."),
  type=str
)

HBASE_CONF_DIR = Config(
  key='hbase_conf_dir',
  help=_t('HBase configuration directory, where hbase-site.xml is located.'),
  default=os.environ.get("HBASE_CONF_DIR", '/etc/hbase/conf')
)



def config_validator(user):
  res = []

  res.extend(validate_thrift_transport(THRIFT_TRANSPORT))

  return res
