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[SPARK-24292][SQL] Proxy user cannot connect to HiveMetastore in loca… #21343

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LantaoJin wants to merge 4 commits into from
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[SPARK-24292][SQL] Proxy user cannot connect to HiveMetastore in loca… #21343

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c5f5886
[SPARK-24292][SQL] Proxy user cannot connect to HiveMetastore in loca…
LantaoJin May 16, 2018
a56ab47
revert SparkSubmit.scala
LantaoJin May 17, 2018
0043905
Revert previous commit and fix via obtaining Delegation Token to cred…
LantaoJin May 17, 2018
0621a3a
add missing import
LantaoJin May 17, 2018
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14 changes: 14 additions & 0 deletions ...hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLEnv.scala
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Expand Up @@ -19,7 +19,11 @@ package org.apache.spark.sql.hive.thriftserver

import java.io.PrintStream

import org.apache.hadoop.security.UserGroupInformation

import org.apache.spark.{SparkConf, SparkContext}
import org.apache.spark.deploy.SparkHadoopUtil
import org.apache.spark.deploy.security.HadoopDelegationTokenManager
import org.apache.spark.internal.Logging
import org.apache.spark.sql.{SparkSession, SQLContext}
import org.apache.spark.sql.hive.{HiveExternalCatalog, HiveUtils}
Expand Down Expand Up @@ -49,6 +53,16 @@ private[hive] object SparkSQLEnv extends Logging {
sparkContext = sparkSession.sparkContext
sqlContext = sparkSession.sqlContext

val currentUser = UserGroupInformation.getCurrentUser
if (SparkHadoopUtil.get.isProxyUser(currentUser)) {
logInfo("Add credentials from token for proxy user")
val hadoopConf = SparkHadoopUtil.get.newConfiguration(sparkConf)
val credentials = currentUser.getCredentials
val tokenManager = new HadoopDelegationTokenManager(sparkConf, hadoopConf)
tokenManager.obtainDelegationTobtainDelegationTokensokens(hadoopConf, credentials)
currentUser.addCredentails(credentials)
}

val metadataHive = sparkSession
.sharedState.externalCatalog.unwrapped.asInstanceOf[HiveExternalCatalog].client
metadataHive.setOut(new PrintStream(System.out, true, "UTF-8"))
Expand Down