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From Joseph Wu <>
Subject Re: Review Request 70996: Implemented master endpoints for agent draining.
Date Mon, 15 Jul 2019 23:30:25 GMT

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(Updated July 15, 2019, 4:30 p.m.)

Review request for mesos, Benjamin Bannier, Benjamin Mahler, Greg Mann, and Vinod Kone.


Guarded against marking an agent gone while drying to mark it for draining.

Bugs: MESOS-9814

Repository: mesos


This fleshes out three master calls:

The master now stores a mapping of agent draining or deactivation
information.  When an agent reconnects, this information is checked
before informing the allocator about the agent.

This commit leaves out certain aspects of each endpoint's validation,
such as checking if draining agents are not in maintenance schedules.

The DRAIN_AGENT call is not completely implemented here, because the
transition from DRAINING to DRAINED will be added in a separate commit.

Diffs (updated)

  src/master/http.cpp cd0f40cb7b966d6620e3fb49d4c08807185c9101 
  src/master/master.hpp e8def83fe9bcee19772df9a9764852bc694c5247 
  src/master/master.cpp 5247377c2e7e92b9843dd4c9d28f92ba679ad742 




TODO: At this point, there isn't anything exposed by the master which can be used to check
the results of these APIs.


Joseph Wu

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