[jira] [Updated] (MESOS-6540) Pass the forked pid from `containerizer launch` to the agent and checkpoint it.

["Adam B (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-6540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adam B updated MESOS-6540:
--------------------------
    Target Version/s:   (was: 1.2.0)

> Pass the forked pid from `containerizer launch` to the agent and checkpoint it.
> -------------------------------------------------------------------------------
>
>                 Key: MESOS-6540
>                 URL: https://issues.apache.org/jira/browse/MESOS-6540
>             Project: Mesos
>          Issue Type: Task
>            Reporter: Kevin Klues
>            Assignee: Kevin Klues
>              Labels: debugging, mesosphere
>
> Right now the agent only knows about the pid of the "init" process forked by {{launcher->fork()}}. However, in order to properly enter the namespaces of a task for a nested container, we actually need the pid of the process that gets launched by the {{containerizer launch}} binary.
> Using this pid, isolators can properly enter the namespaces of the actual *task* or *executor* launched by the {{containerizer launch}} binary instead of just the namespaces of the "init" process (which may be different).
> In order to do this properly, we should pull the "init" process out of the container and update 



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