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From Mesos Reviewbot <revi...@mesos.apache.org>
Subject Re: Review Request 63035: Made `getMountNamespaceTarget` more reliable by ignoring exited childs.
Date Tue, 17 Oct 2017 16:57:42 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/63035/#review188328
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Patch looks great!

Reviews applied: [63074, 63035]

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

- Mesos Reviewbot


On Oct. 17, 2017, 1:45 p.m., Andrei Budnik wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/63035/
> -----------------------------------------------------------
> 
> (Updated Oct. 17, 2017, 1:45 p.m.)
> 
> 
> Review request for mesos, Alexander Rukletsov, Jie Yu, and Kevin Klues.
> 
> 
> Bugs: MESOS-7504
>     https://issues.apache.org/jira/browse/MESOS-7504
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> To launch a nested container it might be necessarry to enter parent's
> mnt namespace. `getMountNamespaceTarget()` is used for doing that.
> 
> Previously, `getMountNamespaceTarget` returned a failure when a
> parent's child or grandchild process exited after enumerating child
> processes and before getting mnt namespace for the process. Mesos
> containerizer launches pre-exec hooks that might exit when calling
> `getMountNamespaceTarget` during a subsequent launch of a
> nested container. This commit makes `getMountNamespaceTarget` tolerant
> to blinking child processes.
> 
> 
> Diffs
> -----
> 
>   src/slave/containerizer/mesos/utils.cpp ec6d6c79b0f93cabe880cd697094c20e999af4d1 
> 
> 
> Diff: https://reviews.apache.org/r/63035/diff/2/
> 
> 
> Testing
> -------
> 
> make check
> ./src/mesos-tests --gtest_filter=NestedMesosContainerizerTest.ROOT_CGROUPS_DestroyDebugContainerOnRecover
--gtest_break_on_failure --gtest_repeat=100
> internal CI
> 
> 
> Thanks,
> 
> Andrei Budnik
> 
>


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