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https://issues.apache.org/jira/browse/HDFS-6826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378924#comment-14378924
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Jitendra Nath Pandey commented on HDFS-6826:
--------------------------------------------
I have committed this to trunk, branch-2 and branch-2.7. Thanks to [~asuresh]
for driving this to completion through several iterations on the patch, and
thanks to [~tucu00] for initial versions of the patch.
> Plugin interface to enable delegation of HDFS authorization assertions
> ----------------------------------------------------------------------
>
> Key: HDFS-6826
> URL: https://issues.apache.org/jira/browse/HDFS-6826
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: security
> Affects Versions: 2.4.1
> Reporter: Alejandro Abdelnur
> Assignee: Arun Suresh
> Attachments: HDFS-6826-idea.patch, HDFS-6826-idea2.patch,
> HDFS-6826-permchecker.patch, HDFS-6826.10.patch, HDFS-6826.11.patch,
> HDFS-6826.12.patch, HDFS-6826.13.patch, HDFS-6826.14.patch,
> HDFS-6826.15.patch, HDFS-6826.16.patch, HDFS-6826v3.patch, HDFS-6826v4.patch,
> HDFS-6826v5.patch, HDFS-6826v6.patch, HDFS-6826v7.1.patch,
> HDFS-6826v7.2.patch, HDFS-6826v7.3.patch, HDFS-6826v7.4.patch,
> HDFS-6826v7.5.patch, HDFS-6826v7.6.patch, HDFS-6826v7.patch,
> HDFS-6826v8.patch, HDFS-6826v9.patch,
> HDFSPluggableAuthorizationProposal-v2.pdf,
> HDFSPluggableAuthorizationProposal.pdf
>
>
> When Hbase data, HiveMetaStore data or Search data is accessed via services
> (Hbase region servers, HiveServer2, Impala, Solr) the services can enforce
> permissions on corresponding entities (databases, tables, views, columns,
> search collections, documents). It is desirable, when the data is accessed
> directly by users accessing the underlying data files (i.e. from a MapReduce
> job), that the permission of the data files map to the permissions of the
> corresponding data entity (i.e. table, column family or search collection).
> To enable this we need to have the necessary hooks in place in the NameNode
> to delegate authorization to an external system that can map HDFS
> files/directories to data entities and resolve their permissions based on the
> data entities permissions.
> I’ll be posting a design proposal in the next few days.
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