[jira] [Updated] (HDFS-12359) Re-encryption should operate with minimum KMS ACL requirements.

["Xiao Chen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-12359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Chen updated HDFS-12359:
-----------------------------
    Attachment: HDFS-12359.01.patch

Attach a patch for the fix:
- can (and should) simply drain the client cache without having to send a {{invalidateCache}} to the server. {{invalidateCache}} is the responsibility for key rolling.
- after cache is drained, generate a new edek, and use the version of that. This eliminates the need for {{getCurrentKey}}

> Re-encryption should operate with minimum KMS ACL requirements.
> ---------------------------------------------------------------
>
>                 Key: HDFS-12359
>                 URL: https://issues.apache.org/jira/browse/HDFS-12359
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: encryption
>    Affects Versions: 3.0.0-beta1
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HDFS-12359.01.patch
>
>
> This was caught from KMS acl testing.
> HDFS-10899 gets the current key versions from KMS directly, which requires {{READ}} acls.
> It also calls invalidateCache, which requires {{MANAGEMENT}} acls.
> We should fix re-encryption to not require additional ACLs than original encryption.



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