#!/usr/bin/env python
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#     http://www.apache.org/licenses/LICENSE-2.0
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from django.utils.translation import ugettext as _, ugettext_lazy as _t

from desktop.lib.conf import Config, validate_path


SPARK_MASTER = Config(
  key="spark_master",
  help=_t("Address of the Spark master, e.g spark://localhost:7077. If empty use the current configuration. "
          "Can be overriden in the script too."),
  default=""
)

SPARK_HOME = Config(
  key="spark_home",
  help=_t("Local path to Spark Home on all the nodes of the cluster."),
  default="/usr/lib/spark"
)


def config_validator(user):
  res = []

  res.extend(validate_path(SPARK_HOME, is_dir=True))

  return res
