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https://issues.apache.org/jira/browse/YARN-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16689844#comment-16689844
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Billie Rinaldi commented on YARN-8778:
--------------------------------------

Thanks for the patch, [~eyang]! I was able to use the yarn container -shell 
<containerId> command to shell into a container in a nonsecure cluster after 
applying patch 7 + YARN-8838.004.patch. I see that patch 7 starts work in 
ApplicationCLI to allow different ShellContainerCommand types, but this does 
not appear to be fully functional yet. Are you planning to complete this in 
another ticket, or are there changes missing from this patch? Also, I believe 
the ApplicationCLI changes will require changes to TestYarnCLI, which checks 
the usage for the yarn commands.

> Add Command Line interface to invoke interactive docker shell
> -------------------------------------------------------------
>
>                 Key: YARN-8778
>                 URL: https://issues.apache.org/jira/browse/YARN-8778
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Zian Chen
>            Assignee: Eric Yang
>            Priority: Major
>              Labels: Docker
>         Attachments: YARN-8778.001.patch, YARN-8778.002.patch, 
> YARN-8778.003.patch, YARN-8778.004.patch, YARN-8778.005.patch, 
> YARN-8778.006.patch, YARN-8778.007.patch
>
>
> CLI will be the mandatory interface we are providing for a user to use 
> interactive docker shell feature. We will need to create a new class 
> “InteractiveDockerShellCLI” to read command line into the servlet and pass 
> all the way down to docker executor.



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