sunchao commented on a change in pull request #31761:
URL: https://github.com/apache/spark/pull/31761#discussion_r589606273
##########
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 hosts on which the file systems to be excluded from token renewal
+ val fsToExclude = sparkConf.get(KERBEROS_FILESYSTEM_RENEWAL_EXCLUDE)
+ .map(new Path(_).getFileSystem(hadoopConf).getUri.getHost)
Review comment:
nit: we don't have to get file system here, maybe just
```scala
map(new Path(_).toUri.getHost)
```
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