[jira] [Updated] (HDFS-6516) Implement List Encryption Zones

["Charles Lamb (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-6516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Charles Lamb updated HDFS-6516:
-------------------------------

    Attachment: HDFS-6516.001.patch

The .001 patch makes the list of encryption zones persistent. To achieve this, when the edit log is loaded, if an OP_SET_XATTRS is seen, we check to see if it's the special xattr which indicates that this is an encryption zone root. If it is, then we add the directory to the FSNamesystem's list of all encryption zones.

Image load time is slightly different. Since we maintain the list of encryption zones using the pathname, we need the complete pathname of the directory. But that may not be available since the image is still being loaded. If the INode being loaded is an encryption zone root, then we stash that INode away and go back to it at the end of image loading. At that point we get the full pathname and add the encryption zone to the list of all of them.

> Implement List Encryption Zones
> -------------------------------
>
>                 Key: HDFS-6516
>                 URL: https://issues.apache.org/jira/browse/HDFS-6516
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Charles Lamb
>            Assignee: Charles Lamb
>         Attachments: HDFS-6516.001.patch
>
>
> The list Encryption Zones command (CLI) and backend implementation (FSNamesystem) needs to be implemented. As part of this, the tests in TestEncryptionZonesAPI should be updated to use that to validate the results of the various CreateEZ and DeleteEZ tests.



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