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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-7197) Add support for a volume blacklist for docker containers
Date Tue, 07 Nov 2017 19:01:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-7197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang reassigned YARN-7197:
-------------------------------

    Assignee:     (was: Eric Yang)

> Add support for a volume blacklist for docker containers
> --------------------------------------------------------
>
>                 Key: YARN-7197
>                 URL: https://issues.apache.org/jira/browse/YARN-7197
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Shane Kumpf
>         Attachments: YARN-7197.001.patch, YARN-7197.002.patch, YARN-7197.003.patch, YARN-7197.004.patch,
YARN-7197.005.patch
>
>
> Docker supports bind mounting host directories into containers. Work is underway to allow
admins to configure a whilelist of volume mounts. While this is a much needed and useful feature,
it opens the door for misconfiguration that may lead to users being able to compromise or
crash the system. 
> One example would be allowing users to mount /run from a host running systemd, and then
running systemd in that container, rendering the host mostly unusable.
> This issue is to add support for a default blacklist. The default blacklist would be
where we put files and directories that if mounted into a container, are likely to have negative
consequences. Users are encouraged not to remove items from the default blacklist, but may
do so if necessary.



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