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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6060) Linux container executor fails to run container on directories mounted as noexec
Date Fri, 06 Jan 2017 18:36:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-6060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15805250#comment-15805250
] 

Daniel Templeton commented on YARN-6060:
----------------------------------------

[~miklos.szegedi@cloudera.com], thanks for the patch.  As a veteran of software with broader
platform support, the idea of execing "bash" gives me the willies.  First, it allows path
manipulation to replace bash with something nefarious.  Second, it assumes the shell is bash.
 Off the top of my head, I think our container launch scripts do require bash, but hard-coding
it bugs me.  Especially if you get to including a full path.

> Linux container executor fails to run container on directories mounted as noexec
> --------------------------------------------------------------------------------
>
>                 Key: YARN-6060
>                 URL: https://issues.apache.org/jira/browse/YARN-6060
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager, yarn
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>         Attachments: YARN-6060.000.patch
>
>
> If node manager directories are mounted as noexec, LCE fails with the following error:
> Launching container...
> Couldn't execute the container launch file /tmp/hadoop-<user>/nm-local-dir/usercache/<user>/appcache/application_1483656052575_0001/container_1483656052575_0001_02_000001/launch_container.sh
- Permission denied



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