[jira] [Updated] (YARN-7197) Add support for a volume blacklist for docker containers

["Eric Yang (JIRA)" <ji...@apache.org>]

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

Eric Yang updated YARN-7197:
----------------------------
    Attachment:     (was: YARN-7197.003.patch)

> 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
>            Assignee: Eric Yang
>            Priority: Major
>         Attachments: YARN-7197.001.patch, YARN-7197.002.patch, YARN-7197.003.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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