Eric Yang created YARN-7430:
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Summary: User and Group mapping are incorrect in docker container
Key: YARN-7430
URL: https://issues.apache.org/jira/browse/YARN-7430
Project: Hadoop YARN
Issue Type: Bug
Components: security, yarn
Reporter: Eric Yang
Priority: Critical
In YARN-4266, the recommendation was to use -u [uid]:[gid] numeric values to
enforce user and group for the running user. In YARN-6623, this translated to
--user=test --group-add=group1. The code no longer enforce group correctly for
launched process.
In addition, the implementation in YARN-6623 requires the user and group
information to exist in container to translate username and group to uid/gid.
For users on LDAP, there is no good way to populate container with user and
group information.
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