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From "Mesos ReviewBot" <revi...@mesos.apache.org>
Subject Re: Review Request 36061: Slave exits gracefully on DNS lookup failure.
Date Wed, 01 Jul 2015 05:39:20 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/36061/#review90008
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Patch looks great!

Reviews applied: [36061]

All tests passed.

- Mesos ReviewBot


On July 1, 2015, 12:32 a.m., Marco Massenzio wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/36061/
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> 
> (Updated July 1, 2015, 12:32 a.m.)
> 
> 
> Review request for mesos, Adam B and Joris Van Remoortere.
> 
> 
> Bugs: MESOS-2962
>     https://issues.apache.org/jira/browse/MESOS-2962
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Jira: MESOS-2962
> 
> Slave fails with Abort stacktrace when DNS cannot resolve hostname
> 
> If the DNS cannot resolve the hostname for a slave node, we correctly return an Error
object, but we then fail with a segfault.
> 
> This code adds a more user-friendly message and exits normally (with an `EXIT_FAILURE`
code).
> For example, forcing `net::getIp()` to always return an Error, now causes the slave to
exit like this:
> ```
> $ ./bin/mesos-slave.sh --master=10.10.1.121:5405
> WARNING: Logging before InitGoogleLogging() is written to STDERR
> E0630 11:31:45.777465 1944417024 process.cpp:899] Could not obtain the IP address for
stratos.local; the DNS service may not be able to resolve it: >>> Marco was here!!!
> 
> $ echo $?
> 1
> ```
> 
> 
> Diffs
> -----
> 
>   3rdparty/libprocess/src/process.cpp d99947c1598c43c47c88ef3e8038081855f0d1dc 
> 
> Diff: https://reviews.apache.org/r/36061/diff/
> 
> 
> Testing
> -------
> 
> make check
> and manual failing the DNS
> 
> 
> Thanks,
> 
> Marco Massenzio
> 
>


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