[jira] [Commented] (MESOS-4757) Mesos containerizer should get uid/gids before pivot_root.

["Gilbert Song (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-4757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15298975#comment-15298975 ] 

Gilbert Song commented on MESOS-4757:
-------------------------------------

[~idownes], Kevin proposed a solution for host user -> container user around two months ago via mailing list. Could you take a look at it to see whether it may break your cases? Thanks! :)

https://docs.google.com/document/d/1ENNJKyPrqqm8OsYV8-dDoHTiRmqtuVbcdzNWj1nURsQ/edit#heading=h.j9cu8f69ljik

> Mesos containerizer should get uid/gids before pivot_root.
> ----------------------------------------------------------
>
>                 Key: MESOS-4757
>                 URL: https://issues.apache.org/jira/browse/MESOS-4757
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Jie Yu
>            Assignee: Jie Yu
>
> Currently, we call os::su(user) after pivot_root. This is problematic because /etc/passwd and /etc/group might be missing in container's root filesystem. We should instead, get the uid/gids before pivot_root, and call setuid/setgroups after pivot_root.



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