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Posted to yarn-issues@hadoop.apache.org by "Eric Badger (JIRA)" <ji...@apache.org> on 2018/07/11 21:47:00 UTC
[jira] [Resolved] (YARN-7197) Add support for a volume blacklist
for docker containers
[ https://issues.apache.org/jira/browse/YARN-7197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Badger resolved YARN-7197.
-------------------------------
Resolution: Won't Fix
There are currently no plans to attempt to implement this feature. Feel free to re-open if you would like to work on this
> 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
> Priority: Major
> Labels: Docker
> 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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