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Posted to yarn-issues@hadoop.apache.org by "Naganarasimha G R (JIRA)" <ji...@apache.org> on 2016/05/01 03:27:13 UTC
[jira] [Commented] (YARN-3401) [Security] users should not be able
to create a generic TimelineEntity and associate arbitrary type
[ https://issues.apache.org/jira/browse/YARN-3401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265568#comment-15265568 ]
Naganarasimha G R commented on YARN-3401:
-----------------------------------------
We need to review back again the approaches taken in MAPREDUCE-6424 and MAPREDUCE-6688, Some approaches which i can think of are :
# expose REST API's to push configs and metrics separately for the app
# During *registration* of AM, AM can push some configurations to RM and RM can update ApplicationEntity with the configurations and during AM *unregister* with RM, AM can send the metrics at the job/app level.
> [Security] users should not be able to create a generic TimelineEntity and associate arbitrary type
> ---------------------------------------------------------------------------------------------------
>
> Key: YARN-3401
> URL: https://issues.apache.org/jira/browse/YARN-3401
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Sangjin Lee
> Assignee: Naganarasimha G R
>
> IIUC it is possible for users to create a generic TimelineEntity and set an arbitrary entity type. For example, for a YARN app, the right entity API is ApplicationEntity. However, today nothing stops users from instantiating a base TimelineEntity class and set the application type on it. This presents a problem in handling these YARN system entities in the storage layer for example.
> We need to ensure that the API allows only the right type of the class to be created for a given entity type.
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