Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/16432#discussion_r95537856
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/security/HadoopFSCredentialProvider.scala
---
@@ -17,37 +17,39 @@
package org.apache.spark.deploy.yarn.security
-import java.io.{ByteArrayInputStream, DataInputStream}
-
import scala.collection.JavaConverters._
+import scala.util.Try
import org.apache.hadoop.conf.Configuration
import org.apache.hadoop.fs.{FileSystem, Path}
-import
org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier
import org.apache.hadoop.mapred.Master
import org.apache.hadoop.security.Credentials
+import
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
import org.apache.spark.{SparkConf, SparkException}
import org.apache.spark.deploy.yarn.config._
import org.apache.spark.internal.Logging
import org.apache.spark.internal.config._
-private[security] class HDFSCredentialProvider extends
ServiceCredentialProvider with Logging {
+private[security] class HadoopFSCredentialProvider
+ extends ServiceCredentialProvider with Logging {
// Token renewal interval, this value will be set in the first call,
- // if None means no token renewer specified, so cannot get token renewal
interval.
+ // if None means no token renewer specified or no token can be renewed,
+ // so cannot get token renewal interval.
private var tokenRenewalInterval: Option[Long] = null
- override val serviceName: String = "hdfs"
+ override val serviceName: String = "hadoopfs"
override def obtainCredentials(
hadoopConf: Configuration,
sparkConf: SparkConf,
creds: Credentials): Option[Long] = {
// NameNode to access, used to get tokens from different FileSystems
+ val tmpCreds = new Credentials()
nnsToAccess(hadoopConf, sparkConf).foreach { dst =>
val dstFs = dst.getFileSystem(hadoopConf)
- logInfo("getting token for namenode: " + dst)
- dstFs.addDelegationTokens(getTokenRenewer(hadoopConf), creds)
+ logInfo("getting token for: " + dst)
+ dstFs.addDelegationTokens(getTokenRenewer(hadoopConf), tmpCreds)
--- End diff --
Done, thanks for your comment.
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