[jira] [Updated] (KAFKA-7677) Client login with already existing JVM subject

["Gabor Somogyi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-7677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabor Somogyi updated KAFKA-7677:
---------------------------------
    Affects Version/s: 2.2.0

> Client login with already existing JVM subject
> ----------------------------------------------
>
>                 Key: KAFKA-7677
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7677
>             Project: Kafka
>          Issue Type: New Feature
>    Affects Versions: 2.2.0
>            Reporter: Gabor Somogyi
>            Priority: Major
>
> If JVM is already logged in to KDC and has a Subject + TGT in it's security context it can be used by clients and not logging in again. Example code:
> {code:java}
> org.apache.hadoop.security.UserGroupInformation.getCurrentUser().doAs(
>   new java.security.PrivilegedExceptionAction[Unit] { 
>     override def run(): Unit = {
>     val subject = javax.security.auth.Subject.getSubject(java.security.AccessController.getContext())
>     val adminClient = AdminClient.create...
>   }
> )
> {code}



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