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From Mesos ReviewBot <revi...@mesos.apache.org>
Subject Re: Review Request 54803: Fixed `SlaveTests` to pass when `HAS_AUTHENTICATION` is undefined.
Date Sat, 17 Dec 2016 00:20:40 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/54803/#review159531
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Patch looks great!

Reviews applied: [54803]

Passed command: export OS='ubuntu:14.04' BUILDTOOL='autotools' COMPILER='gcc' CONFIGURATION='--verbose'
ENVIRONMENT='GLOG_v=1 MESOS_VERBOSE=1'; ./support/docker_build.sh

- Mesos ReviewBot


On Dec. 16, 2016, 7:23 p.m., Alex Clemmer wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/54803/
> -----------------------------------------------------------
> 
> (Updated Dec. 16, 2016, 7:23 p.m.)
> 
> 
> Review request for mesos, Adam B, Andrew Schwartzmeyer, Daniel Pravat, Greg Mann, John
Kordich, Joseph Wu, and Vinod Kone.
> 
> 
> Bugs: MESOS-6803
>     https://issues.apache.org/jira/browse/MESOS-6803
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Currently, when `HAS_AUTHENTICATION` is undefined, the Agent will
> use `delay` to schedule a random time in the future to register with the
> Master, to avoid the thundering herd problem after a Master failover.
> The authentication codepath, in contrast, schedules the registration
> immediately.
> 
> In tests where we have `Clock::pause`'d when we are supposed to be
> registering the slave, the authention codepath will succeeed, while
> no-authentication codepath will hang forever.
> 
> A much more detailed analysis of this situation exists in MESOS-6803.
> 
> This commit will resolve this issue for `slave_tests.cpp` by changing
> the tests to not use `Clock::pause` when we are waiting for Agent
> registration.
> 
> 
> Diffs
> -----
> 
>   src/tests/slave_tests.cpp fc6b56c074c71b827a9ee522cd715c0d15ecc7e3 
> 
> Diff: https://reviews.apache.org/r/54803/diff/
> 
> 
> Testing
> -------
> 
> Added `delay` to the call to `authenticate` in `Slave::detected`, ran tests to find failing
tests in `SlaveTest.*`, then fixed, then ran again.
> 
> 
> Thanks,
> 
> Alex Clemmer
> 
>


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