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https://issues.apache.org/jira/browse/YARN-5534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15647920#comment-15647920
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Varun Vasudev commented on YARN-5534:
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[~luhuichun] - can you please address the issues in the Jenkins report -
1) Please add some unit tests for the patch
2) Please address the failing unit test
Thanks!
> Allow whitelisted volume mounts
> --------------------------------
>
> Key: YARN-5534
> URL: https://issues.apache.org/jira/browse/YARN-5534
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: luhuichun
> Assignee: luhuichun
> Attachments: YARN-5534.001.patch
>
>
> Introduction
> 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. This has
> been resolved in YARN-4595
> 2.Problem Definition
> Bug mounting arbitrary volumes into a Docker container can be a security risk.
> 3.Possible solutions
> one approach to provide safe mounts is to allow the cluster administrator to
> configure a set of parent directories as white list mounting directories.
> Add a property named yarn.nodemanager.volume-mounts.white-list, when
> container executor do mount checking, only the allowed directories or
> sub-directories can be mounted.
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