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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7516) Security check for trusted docker image
Date Tue, 06 Feb 2018 22:55:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354681#comment-16354681

Eric Yang commented on YARN-7516:

The failed test case (TestContainerManager) is not related to this JIRA, and not reproducible
on trunk code.

> Security check for trusted docker image
> ---------------------------------------
>                 Key: YARN-7516
>                 URL: https://issues.apache.org/jira/browse/YARN-7516
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>            Priority: Major
>         Attachments: YARN-7516.001.patch, YARN-7516.002.patch, YARN-7516.003.patch, YARN-7516.004.patch,
YARN-7516.005.patch, YARN-7516.006.patch, YARN-7516.007.patch, YARN-7516.008.patch, YARN-7516.009.patch,
YARN-7516.010.patch, YARN-7516.011.patch, YARN-7516.012.patch, YARN-7516.013.patch, YARN-7516.014.patch,
YARN-7516.015.patch, YARN-7516.016.patch, YARN-7516.017.patch, YARN-7516.018.patch
> Hadoop YARN Services can support using private docker registry image or docker image
from docker hub.  In current implementation, Hadoop security is enforced through username
and group membership, and enforce uid:gid consistency in docker container and distributed
file system.  There is cloud use case for having ability to run untrusted docker image on
the same cluster for testing.  
> The basic requirement for untrusted container is to ensure all kernel and root privileges
are dropped, and there is no interaction with distributed file system to avoid contamination.
 We can probably enforce detection of untrusted docker image by checking the following:
> # If docker image is from public docker hub repository, the container is automatically
flagged as insecure, and disk volume mount are disabled automatically, and drop all kernel
> # If docker image is from private repository in docker hub, and there is a white list
to allow the private repository, disk volume mount is allowed, kernel capabilities follows
the allowed list.
> # If docker image is from private trusted registry with image name like "private.registry.local:5000/centos",
and white list allows this private trusted repository.  Disk volume mount is allowed, kernel
capabilities follows the allowed list.

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