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https://issues.apache.org/jira/browse/YARN-4266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Badger updated YARN-4266:
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Labels: Docker (was: )
> Allow users to enter containers as UID:GID pair instead of by username
> ----------------------------------------------------------------------
>
> Key: YARN-4266
> URL: https://issues.apache.org/jira/browse/YARN-4266
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Sidharta Seethana
> Assignee: luhuichun
> Priority: Major
> Labels: Docker
> Fix For: 2.9.0, 3.0.0-beta1
>
> Attachments: YARN-4266-branch-2.8.001.patch, YARN-4266.001.patch,
> YARN-4266.001.patch, YARN-4266.002.patch, YARN-4266.003.patch,
> YARN-4266.004.patch, YARN-4266.005.patch, YARN-4266.006.patch,
> YARN-4266_Allow_whitelisted_users_to_disable_user_re-mapping.pdf,
> YARN-4266_Allow_whitelisted_users_to_disable_user_re-mapping_v2.pdf,
> YARN-4266_Allow_whitelisted_users_to_disable_user_re-mapping_v3.pdf
>
>
> Docker provides a mechanism (the --user switch) that enables us to specify
> the user the container processes should run as. We use this mechanism today
> when launching docker containers . In non-secure mode, we run the docker
> container based on
> `yarn.nodemanager.linux-container-executor.nonsecure-mode.local-user` and in
> secure mode, as the submitting user. However, this mechanism breaks down with
> a large number of 'pre-created' images which don't necessarily have the users
> available within the image. Examples of such images include shared images
> that need to be used by multiple users. We need a way in which we can allow a
> pre-defined set of users to run containers based on existing images, without
> using the --user switch. There are some implications of disabling this user
> squashing that we'll need to work through : log aggregation, artifact
> deletion etc.,
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