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Fix it, then Ship it!




Sorry for being late on this review. Overall looks good to me. Some style nits.


src/launcher/executor.cpp (lines 236 - 244)
<https://reviews.apache.org/r/42278/#comment175668>

    Can you add some comments here explaining why we need to do MS_REC bind 
mount and why we need to do the unmountAll?



src/slave/slave.cpp (line 3491)
<https://reviews.apache.org/r/42278/#comment176513>

    Please use path::absolute here.



src/launcher/executor.cpp (lines 236 - 237)
<https://reviews.apache.org/r/42278/#comment178270>

    Can you combine this with umountAll below:
    ```
    Try<Nothing> umountAll = fs::unmountAll(path:join(
        sandbox,
        COMMAND_EXECUTOR_ROOTFS_CONTAINER_PATH));
    ```
    
    Also, add some comments about why we need to do the umount here. It'll be 
very valuable for readers as the logics here is pretty subtle.



src/slave/slave.cpp (line 3558)
<https://reviews.apache.org/r/42278/#comment178271>

    container->volumes_size()



src/slave/slave.cpp (lines 3561 - 3564)
<https://reviews.apache.org/r/42278/#comment178272>

    ```
    volume->set_container_path(path::join(
        COMMAND_EXECUTOR_ROOTFS_CONTAINER_PATH,
        volume->container_path()));
    ```



src/tests/containerizer/filesystem_isolator_tests.cpp (line 376)
<https://reviews.apache.org/r/42278/#comment178281>

    I would also mention Command Executor in the test name.



src/tests/containerizer/filesystem_isolator_tests.cpp (line 420)
<https://reviews.apache.org/r/42278/#comment178279>

    It's better to add a comment here explaining the mapping:
    ```
    host_path: dir1, container_path: /tmp
    host_path: dir2, container_path: relative_dir
    ```



src/tests/containerizer/filesystem_isolator_tests.cpp (line 422)
<https://reviews.apache.org/r/42278/#comment178274>

    Nits, I would introduce a blank line above this line here.



src/tests/containerizer/filesystem_isolator_tests.cpp (line 424)
<https://reviews.apache.org/r/42278/#comment178273>

    Nits, I would introduce a blank line above this line here.



src/tests/containerizer/filesystem_isolator_tests.cpp (lines 438 - 443)
<https://reviews.apache.org/r/42278/#comment178277>

    I would use createVolumeFromHostPath here.



src/tests/containerizer/filesystem_isolator_tests.cpp (line 439)
<https://reviews.apache.org/r/42278/#comment178276>

    Add a blank line above this.



src/tests/containerizer/filesystem_isolator_tests.cpp (lines 444 - 447)
<https://reviews.apache.org/r/42278/#comment178278>

    Ditto.



src/tests/containerizer/filesystem_isolator_tests.cpp (line 473)
<https://reviews.apache.org/r/42278/#comment178282>

    I would also mention Command Executor in test name.



src/tests/containerizer/filesystem_isolator_tests.cpp (lines 547 - 555)
<https://reviews.apache.org/r/42278/#comment178283>

    Why two offers? Can you perform CREATE and LAUNCH in the same acceptOffer 
cycle?



src/tests/containerizer/filesystem_isolator_tests.cpp (lines 564 - 567)
<https://reviews.apache.org/r/42278/#comment178284>

    Ditto on using createVolumeFromHostPath



src/tests/containerizer/filesystem_isolator_tests.cpp (line 580)
<https://reviews.apache.org/r/42278/#comment178285>

    Remove this?


- Jie Yu


On Jan. 26, 2016, 6:37 a.m., Timothy Chen wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/42278/
> -----------------------------------------------------------
> 
> (Updated Jan. 26, 2016, 6:37 a.m.)
> 
> 
> Review request for mesos, Gilbert Song, Jie Yu, and Jojy Varghese.
> 
> 
> Bugs: MESOS-4285
>     https://issues.apache.org/jira/browse/MESOS-4285
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Fixed volume paths for command tasks with image.
> 
> 
> Diffs
> -----
> 
>   src/launcher/executor.cpp 356d311fdf97b2c4663c60e13ede7cdb71a264c7 
>   src/slave/slave.cpp 1f4c8368feb0ce19963577582ce745acfb21aa9f 
>   src/tests/containerizer/filesystem_isolator_tests.cpp 
> 496275a73601664b51155ef1373d8d46b9069613 
> 
> Diff: https://reviews.apache.org/r/42278/diff/
> 
> 
> Testing
> -------
> 
> make check
> 
> 
> Thanks,
> 
> Timothy Chen
> 
>

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