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https://issues.apache.org/jira/browse/HDFS-6826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103108#comment-14103108
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Jing Zhao commented on HDFS-6826:
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bq. The plugin should have 2 additional methods createSnapshot() and
deleteSnapshot(), this would make the plugin participate in the snapshot
lifecycle and allow the plugin to implement snapshot logic if desired (it
doesn't have to do it).
Can you provide more details about this? Currently in HDFS snapshots can only
be created/deleted on snapshottable directories. I'm not sure how to let the
authorization plugin participate in the snapshot lifecycle.
> 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,
> 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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