Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5307#discussion_r27931210
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
@@ -534,12 +538,51 @@ private[spark] class Client(
// send the acl settings into YARN to control who has access via YARN
interfaces
val securityManager = new SecurityManager(sparkConf)
amContainer.setApplicationACLs(YarnSparkHadoopUtil.getApplicationAclsForYarn(securityManager))
+ val isEncryptedShuffle = if (sparkConf != null) {
+ sparkConf.getBoolean("spark.encrypted.shuffle", false)
+ } else {
+ false
+ }
+ if (isEncryptedShuffle) {
+ setSparkShuffleTokens(credentials, amContainer)
+ // amContainer.setEnvironment() set the LD_LIBRARY_PATH like
"xxx.so" here
+ }
setupSecurityToken(amContainer)
UserGroupInformation.getCurrentUser().addCredentials(credentials)
amContainer
}
+ def
setSparkShuffleTokens(credentials:Credentials,amContainer:ContainerLaunchContext){
+ if (TokenCache.getShuffleSecretKey(credentials) == null) {
+ var keyGen: KeyGenerator = null
+ try {
+ val SHUFFLE_KEY_LENGTH: Int = 64
+ var keyLen: Int = if
(sparkConf.getBoolean(SPARK_ENCRYPTED_INTERMEDIATE_DATA,
+ DEFAULT_SPARK_ENCRYPTED_INTERMEDIATE_DATA) == true) {
+ sparkConf.getInt(SPARK_ENCRYPTED_INTERMEDIATE_DATA_KEY_SIZE_BITS,
+ DEFAULT_SPARK_ENCRYPTED_INTERMEDIATE_DATA_KEY_SIZE_BITS)
+ }
+ else {
+ SHUFFLE_KEY_LENGTH
+ }
+ val SHUFFLE_KEYGEN_ALGORITHM = "HmacSHA1"
+ keyGen = KeyGenerator.getInstance(SHUFFLE_KEYGEN_ALGORITHM)
+ keyGen.init(keyLen)
+ }
+ catch {
+ case e: NoSuchAlgorithmException => println("Error generating
shuffle secret key")
--- End diff --
Another case of broken error handling.
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