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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8927) Support trust top-level image like "centos" when "library" is configured in "docker.trusted.registries"
Date Thu, 14 Feb 2019 01:46:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16767790#comment-16767790
] 

Eric Yang commented on YARN-8927:
---------------------------------

[~ebadger] I think it's still admin mistake because the repository name can be preconfigured
to a host in local domain which would have no chance to contact docker hub even if a repository
is later setup to try to impersonate.  YARN's trusted registry acl can avoid untrusted docker
hub repository.  The discussion is digressing.  I agree that adding the local image white
list can tighten security further for images without '/' characters or used.  This jira can't
solve docker run pulling remote image when image is absent or remote image name is identical
to local image name.  [~csingh] is solving the docker image localization issues in YARN-9228.
 It may help to solve precheck of image existence in her story instead.

> Support trust top-level image like "centos" when "library" is configured in "docker.trusted.registries"
> -------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-8927
>                 URL: https://issues.apache.org/jira/browse/YARN-8927
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Zhankun Tang
>            Assignee: Zhankun Tang
>            Priority: Major
>              Labels: Docker
>         Attachments: YARN-8927-trunk.001.patch, YARN-8927-trunk.002.patch
>
>
> There are some missing cases that we need to catch when handling "docker.trusted.registries".
> The container-executor.cfg configuration is as follows:
> {code:java}
> docker.trusted.registries=tangzhankun,ubuntu,centos{code}
> It works if run DistrubutedShell with "tangzhankun/tensorflow"
> {code:java}
> "yarn ... -shell_env YARN_CONTAINER_RUNTIME_TYPE=docker -shell_env YARN_CONTAINER_RUNTIME_DOCKER_IMAGE=tangzhankun/tensorflow
> {code}
> But run a DistrubutedShell job with "centos", "centos[:tagName]", "ubuntu" and "ubuntu[:tagName]"
fails:
> The error message is like:
> {code:java}
> "image: centos is not trusted"
> {code}
> We need better handling the above cases.



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