[jira] [Commented] (YARN-4595) Add support for configurable read-only mounts

["Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-4595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15199998#comment-15199998 ] 

Vinod Kumar Vavilapalli commented on YARN-4595:
-----------------------------------------------

Can this also be the general solution for accessing all (or read-only files/dirs) of distributed-cache files inside a docker container? If so, this will enable us to mix and match artifacts inside the image and outside the image.

> Add support for configurable read-only mounts
> ---------------------------------------------
>
>                 Key: YARN-4595
>                 URL: https://issues.apache.org/jira/browse/YARN-4595
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Billie Rinaldi
>            Assignee: Billie Rinaldi
>         Attachments: YARN-4595.1.patch, YARN-4595.2.patch
>
>
> Mounting files or directories from the host is one way of passing configuration and other information into a docker container.  We could allow the user to set a list of mounts in the environment of ContainerLaunchContext (e.g. /dir1:/targetdir1,/dir2:/targetdir2).  These would be mounted read-only to the specified target locations.



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