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[SPARK-21890] Credentials not being passed to add the tokens #19103

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[SPARK-21890] Credentials not being passed to add the tokens #19103

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6 changes: 2 additions & 4 deletions ...arn/src/main/scala/org/apache/spark/deploy/yarn/security/HadoopFSCredentialProvider.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -45,12 +45,11 @@ private[security] class HadoopFSCredentialProvider
sparkConf: SparkConf,
creds: Credentials): Option[Long] = {
// NameNode to access, used to get tokens from different FileSystems
val tmpCreds = new Credentials()
val tokenRenewer = getTokenRenewer(hadoopConf)
hadoopFSsToAccess(hadoopConf, sparkConf).foreach { dst =>
val dstFs = dst.getFileSystem(hadoopConf)
logInfo("getting token for: " + dst)
dstFs.addDelegationTokens(tokenRenewer, tmpCreds)
dstFs.addDelegationTokens(tokenRenewer, creds)
}

// Get the token renewal interval if it is not set. It will only be called once.
Expand All @@ -60,7 +59,7 @@ private[security] class HadoopFSCredentialProvider

// Get the time of next renewal.
val nextRenewalDate = tokenRenewalInterval.flatMap { interval =>
val nextRenewalDates = tmpCreds.getAllTokens.asScala
val nextRenewalDates = creds.getAllTokens.asScala
.filter(_.decodeIdentifier().isInstanceOf[AbstractDelegationTokenIdentifier])
.map { t =>
val identifier = t.decodeIdentifier().asInstanceOf[AbstractDelegationTokenIdentifier]
Expand All @@ -69,7 +68,6 @@ private[security] class HadoopFSCredentialProvider
if (nextRenewalDates.isEmpty) None else Some(nextRenewalDates.min)
}

creds.addAll(tmpCreds)
nextRenewalDate
}

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