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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6826) Plugin interface to enable delegation of HDFS authorization assertions
Date Wed, 06 Aug 2014 03:14:11 GMT
Alejandro Abdelnur created HDFS-6826:

             Summary: 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: Alejandro Abdelnur

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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