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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7605) Implement doAs for Api Service REST API
Date Tue, 09 Jan 2018 02:12:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317550#comment-16317550

Eric Yang commented on YARN-7605:

Patch failed due to revert of YARN-7540.  Please commit YARN-7540 so this patch can be applied.
 Thank you.

> Implement doAs for Api Service REST API
> ---------------------------------------
>                 Key: YARN-7605
>                 URL: https://issues.apache.org/jira/browse/YARN-7605
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: yarn-native-services
>         Attachments: YARN-7605.001.patch, YARN-7605.004.patch, YARN-7605.005.patch, YARN-7605.006.patch,
YARN-7605.007.patch, YARN-7605.008.patch, YARN-7605.009.patch, YARN-7605.010.patch, YARN-7605.011.patch,
YARN-7605.012.patch, YARN-7605.013.patch, YARN-7605.014.patch
> In YARN-7540, all client entry points for API service is centralized to use REST API
instead of having direct file system and resource manager rpc calls.  This change helped to
centralize yarn metadata to be owned by yarn user instead of crawling through every user's
home directory to find metadata.  The next step is to make sure "doAs" calls work properly
for API Service.  The metadata is stored by YARN user, but the actual workload still need
to be performed as end users, hence API service must authenticate end user kerberos credential,
and perform doAs call when requesting containers via ServiceClient.

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