Chun-Hung Hsiao created MESOS-9541:
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Summary: 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: 1.7.1, 1.7.0, 1.6.1, 1.6.0, 1.5.2, 1.5.1, 1.5.0
Reporter: Chun-Hung Hsiao
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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