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https://issues.apache.org/jira/browse/YARN-7516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16331367#comment-16331367
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Eric Yang commented on YARN-7516:
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YARN will attempt to bind mount node manager local directory for app cache,
file cache, and user cache directories into docker container in the current
implementation. In patch 009, it will report \{{INVAID_DOCKER_*_MOUNT}}
message which disallowed all untrusted docker image to run. Patch 10 will
allow untrusted image to run, but it will omit any app cache, file cache, and
user cache directories to be mounted. [~ebadger] [~billie.rinaldi] Could you
review patch 10? Thanks
> Security check for untrusted 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
>
>
> 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 capabilities.
> # 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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