[jira] [Assigned] (MESOS-9541) Transition agent operations to some "lost" state when the agent is removed.

["Greg Mann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-9541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Greg Mann reassigned MESOS-9541:
--------------------------------

    Assignee: Greg Mann

> Transition agent operations to some "lost" state when the agent is removed.
> ---------------------------------------------------------------------------
>
>                 Key: MESOS-9541
>                 URL: https://issues.apache.org/jira/browse/MESOS-9541
>             Project: Mesos
>          Issue Type: Improvement
>    Affects Versions: 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1, 1.7.0, 1.7.1
>            Reporter: Chun-Hung Hsiao
>            Assignee: Greg Mann
>            Priority: Major
>              Labels: foundations, mesosphere
>
> MESOS-8782 and MESOS-8783 transition operations to {{OPERATION_GONE_BY_OPERATOR}} or {{OPERATION_UNREACHABLE}} when their agents are marked as gone or unreachable respectively. However, there are other cases where agents can be "removed" and forgot by the master:
> 1) When an agent tries to register with a new ID from the same IP:
> https://github.com/apache/mesos/blob/f130544bdb8a9849096ee2cb35ebcbc7d8a326d8/src/master/master.cpp#L6836-L6849
> 2) When an agent requests to unregister:
> https://github.com/apache/mesos/blob/f130544bdb8a9849096ee2cb35ebcbc7d8a326d8/src/master/master.cpp#L7817-L7840
> In these tasks, the master explicitly sends {{TASK_LOST}} for task status updates (this also means that [this documentation|https://github.com/apache/mesos/blob/f130544bdb8a9849096ee2cb35ebcbc7d8a326d8/include/mesos/mesos.proto#L2287-L2288] is wrong), but does nothing for operations. We should design proper operation status transitions for these cases.



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