viirya commented on a change in pull request #31761:
URL: https://github.com/apache/spark/pull/31761#discussion_r588969225
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File path:
core/src/main/scala/org/apache/spark/deploy/security/HadoopFSDelegationTokenProvider.scala
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@@ -99,11 +100,24 @@ private[deploy] class HadoopFSDelegationTokenProvider
private def fetchDelegationTokens(
renewer: String,
filesystems: Set[FileSystem],
- creds: Credentials): Credentials = {
+ creds: Credentials,
+ hadoopConf: Configuration,
+ sparkConf: SparkConf): Credentials = {
+
+ // The filesystems excluded from token renewal
+ val fsToExclude = sparkConf.get(KERBEROS_FILESYSTEM_RENEWAL_EXCLUDE)
+ .map(new Path(_).getFileSystem(hadoopConf).getUri.getHost)
+ .toSet
filesystems.foreach { fs =>
- logInfo(s"getting token for: $fs with renewer $renewer")
- fs.addDelegationTokens(renewer, creds)
+ if (fsToExclude.contains(fs.getUri.getHost)) {
Review comment:
No, we can accept hosts directly. It doesn't matter here. Either URL or
host can achieve the same result we want.
It takes file system URLs because I let it to be consistent with other
configs like `KERBEROS_FILESYSTEMS_TO_ACCESS`.
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