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From "Dapeng Sun (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SENTRY-498) Sentry integration with Hive authorization framework V2
Date Fri, 06 Nov 2015 05:31:27 GMT

     [ https://issues.apache.org/jira/browse/SENTRY-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dapeng Sun updated SENTRY-498:
------------------------------
    Attachment: SENTRY-498.009-hive_plugin_v2.patch

> Sentry integration with Hive authorization framework V2 
> --------------------------------------------------------
>
>                 Key: SENTRY-498
>                 URL: https://issues.apache.org/jira/browse/SENTRY-498
>             Project: Sentry
>          Issue Type: New Feature
>    Affects Versions: hive_plugin_v2
>            Reporter: Xiaomeng Huang
>            Assignee: Dapeng Sun
>              Labels: roadmap
>             Fix For: hive_plugin_v2
>
>         Attachments: SENTRY-498.003.patch, SENTRY-498.004-hive_plugin_v2.patch, SENTRY-498.005-hive_plugin_v2.patch,
SENTRY-498.007-hive_plugin_v2.patch, SENTRY-498.008-hive_plugin_v2.patch, SENTRY-498.009-hive_plugin_v2.patch
>
>
> Currently Sentry grant/revoke privileges via hook DDLTask, and do authorization via HiveSemanticAnalyzerHook.
Now hive has a pluggable authorization framework via exposing some interfaces HiveAccessController
and HiveAuthorizationValidator. HiveAccessController is used to grant/revoke roles and privileges.
HiveAuthorizationValidator is used to do fine-grained authorization. 
> Advantages to use this framework to grant/revoke privileges and do authorization:
> - This framework is very convenient to use by external authorization system. 
> - Using this framework will be better accepted by community.
> - We don't need to take efforts to add so many hooks. 
> - Some hooks has limitations. e.g. For column level security, we can't get accessed cloumns
from query via HiveSemanticAnalyzerHook, so I extend the readEntity to put accessed columns
into it(HIVE-7730). But if we use this framework, we don't need to extend the readEntity,
we can just get accessed columns from ColumnAccessInfo directly. 
> I will not remove the old sentry authorization framework, I will just add a new authorizationV2
via implement Hive authorization framework. If all the e2e tests passed, we can mark the old
authorization deprecated.



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