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From "Madhan Neethiraj (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (RANGER-768) Hive Metastore Plugin
Date Fri, 08 Jan 2016 05:21:39 GMT

    [ https://issues.apache.org/jira/browse/RANGER-768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15088727#comment-15088727
] 

Madhan Neethiraj commented on RANGER-768:
-----------------------------------------

bq. 2.2.3	Range HDFS Privilege Changes as Result of Hive Metadata Changes
bq. There will be a new String member introduced in the “configs” list of the Hive’s
servicedef json file, named “storageServiceName” that will specify the HDFS service name
whose HDFS entries under a Hive table will have access policies added/deleted according to
the existence of the Hive table’s objects of data.  The default value of null will disable
the sync of the HDFS privilege sync due to Hive metadata changes. The setting of this member
will be through GUI and RESTful API. 
This is a nice approach. Please note that service configuration is not sent to the plugins
from Ranger Admin (when the plugins download policies). Perhaps a new attribute {{Map<String,
String> serviceConfigs}} can be added to {{ServicePolicies}} class to send selected service
configurations to plugins.

> Hive Metastore Plugin
> ---------------------
>
>                 Key: RANGER-768
>                 URL: https://issues.apache.org/jira/browse/RANGER-768
>             Project: Ranger
>          Issue Type: New Feature
>          Components: admin, plugins
>            Reporter: Yan
>         Attachments: Design Proposal for Hive Metastore Plugin of Ranger.docx, Design
Proposal for Hive Metastore Plugin of Ranger.docx
>
>
> Currently there is no Ranger processing of Hive table meta store events that could result
in privilege modifications. One example is that when a table is renamed by a Hive Server 2
client (the "beeline"), no proper privilege adjustments in Ranger are made to allow/deny previously
allowed/denied users the same privileges as before. In addition, more advanced features, such
as granting/denying similar accesses to Hive's HDFS data to users that have (or do not have)
privileges in the Hive, would require that detailed metadata of the Hive table, the storage
info to be specific, be available to Ranger in order to make the corresponding HDFS  data
accessible to the Hive users directly.
> This plugin will depend upon the existing Ranger Hive plugin, so it shares the same "service"
name as the associated Ranger Hive service deployed, and it will be "co-enabled" with the
existing Ranger Hive plugin.
> Design doc will come soon.



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