org.yupana.spark.SparkConfUtils.scala Maven / Gradle / Ivy

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/*
 * Copyright 2019 Rusexpertiza LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.yupana.spark

import org.apache.hadoop.mapred.JobConf
import org.apache.hadoop.security.UserGroupInformation
import org.apache.spark.SparkConf

object SparkConfUtils {
  def removeSparkPrefix(sparkConf: SparkConf): Unit = {
    sparkConf.setAll(sparkConf.getAll.map {
      case (k, v) =>
        if (k.startsWith("spark.")) k.substring(6) -> v else k -> v
    })
  }

  def addCredentials(conf: JobConf): Unit = {
    val jobCreds = conf.getCredentials
    jobCreds.mergeAll(UserGroupInformation.getCurrentUser.getCredentials)
  }
}