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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6826) Plugin interface to enable delegation of HDFS authorization assertions
Date Thu, 28 Aug 2014 21:04:10 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alejandro Abdelnur updated HDFS-6826:
-------------------------------------

    Attachment: HDFS-6826v7.6.patch

Uploading v7.6, which is based on v7.4 (based on Jitendra's preference).

This patch adds the {{isClientOp()}} method to the provider which indicates if the current
invocation is done as part of a client FS operation or as part of a NameNode operation (fs
image save, fs edit log, etc). I've had to create an interceptor for the {{ClientProtocol}}.

The testcases do positive and negative testing for this.

This addresses my action item #1 from my discussion with @daryn.

> 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
>         Attachments: HDFS-6826-idea.patch, HDFS-6826-idea2.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, 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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