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https://issues.apache.org/jira/browse/YARN-8927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16755512#comment-16755512
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Eric Yang commented on YARN-8927:
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[~tangzhankun] YARN-8955 is to skip docker pull, if the image already exist
locally. Patch 002 implies that all local images are trusted as long as the
image name does not have '/' character. On the surface, this is likely to be
true. Admin privileges is required to run docker tag command to convert any
image into a local image. I am unsure if another ACL is required to explicitly
trust specific local images only. [~ebadger], you had some feedback before,
and I like to revalidate if that requirement still necessary or the current
implementation is good enough without hinders usability?
> 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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