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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7654) Support ENTRY_POINT for docker container
Date Thu, 10 May 2018 14:14:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16470427#comment-16470427
] 

Jason Lowe commented on YARN-7654:
----------------------------------

bq. The patch writes .env file in the same nmPrivate directory as .cmd file. It doesn't write
to /tmp.

Yes sorry, I misread that code.  It's using the same directory, so we're good there.


> Support ENTRY_POINT for docker container
> ----------------------------------------
>
>                 Key: YARN-7654
>                 URL: https://issues.apache.org/jira/browse/YARN-7654
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>    Affects Versions: 3.1.0
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>            Priority: Blocker
>              Labels: Docker
>         Attachments: YARN-7654.001.patch, YARN-7654.002.patch, YARN-7654.003.patch, YARN-7654.004.patch,
YARN-7654.005.patch, YARN-7654.006.patch, YARN-7654.007.patch, YARN-7654.008.patch, YARN-7654.009.patch,
YARN-7654.010.patch, YARN-7654.011.patch, YARN-7654.012.patch, YARN-7654.013.patch, YARN-7654.014.patch,
YARN-7654.015.patch, YARN-7654.016.patch, YARN-7654.017.patch, YARN-7654.018.patch, YARN-7654.019.patch,
YARN-7654.020.patch, YARN-7654.021.patch
>
>
> Docker image may have ENTRY_POINT predefined, but this is not supported in the current
implementation.  It would be nice if we can detect existence of {{launch_command}} and base
on this variable launch docker container in different ways:
> h3. Launch command exists
> {code}
> docker run [image]:[version]
> docker exec [container_id] [launch_command]
> {code}
> h3. Use ENTRY_POINT
> {code}
> docker run [image]:[version]
> {code}



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