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From Jie Yu <yujie....@gmail.com>
Subject Re: Review Request 57884: Ensure that host /etc/* files are mounted RDONLY by the CNI Isolator.
Date Mon, 27 Mar 2017 17:19:21 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/57884/#review170196
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src/slave/containerizer/mesos/isolators/network/cni/cni.cpp
Line 1910 (original), 1910 (patched)
<https://reviews.apache.org/r/57884/#comment242977>

    Are you sure this works? I remembered that for read only bind mount, you need to do a
bind mount and a remount with read only flag.
    https://lwn.net/Articles/281157/
    
    That probably means we should add a unit test for this. Take a look at CniIsolatorTest.ROOT_OverrideHostname
which will give you some idea how to adding a unit test for this.


- Jie Yu


On March 23, 2017, 5:11 p.m., Silas Snider wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/57884/
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> 
> (Updated March 23, 2017, 5:11 p.m.)
> 
> 
> Review request for mesos and Jie Yu.
> 
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> Bugs: MESOS-7268
>     https://issues.apache.org/jira/browse/MESOS-7268
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> Repository: mesos
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> Description
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> Ensure that host /etc/* files are mounted RDONLY by the CNI Isolator.
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> 
> Diffs
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>   src/slave/containerizer/mesos/isolators/network/cni/cni.cpp 6e95315b70a5d9d3b4b21c4cf235b0a483760190

> 
> 
> Diff: https://reviews.apache.org/r/57884/diff/1/
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> 
> Testing
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> 
> Thanks,
> 
> Silas Snider
> 
>


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