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https://issues.apache.org/jira/browse/YARN-7605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296071#comment-16296071
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Eric Yang commented on YARN-7605:
---------------------------------
The unit test failure for hadoop-common is broken by HADOOP-10054. Resource
Manager unit test failure is tracked by YARN-7507, YARN-7559. Both failures
are not related to this patch.
> 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
>
>
> 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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