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https://issues.apache.org/jira/browse/HDFS-6986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14121043#comment-14121043
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Zhe Zhang commented on HDFS-6986:
---------------------------------

[~tucu00] To test the new {{addDelegationTokens}} method, it seems we need to 
setup a mini KMS server in {{TestEncryptionZones}}, following similar steps as 
in {{TestKMS}}. If that's the case I guess we should make relevant methods in 
{{TestKMS}} public utility methods? Such as {{runServer}}. Does it sound right?

> DistributedFileSystem must get delegation tokens from configured KeyProvider
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-6986
>                 URL: https://issues.apache.org/jira/browse/HDFS-6986
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Alejandro Abdelnur
>            Assignee: Zhe Zhang
>         Attachments: HDFS-6986.patch
>
>
> {{KeyProvider}} via {{KeyProviderDelegationTokenExtension}} provides 
> delegation tokens. {{DistributedFileSystem}} should augment the HDFS 
> delegation tokens with the keyprovider ones so tasks can interact with 
> keyprovider when it is a client/server impl (KMS).



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