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From "Pierre Cheynier (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-7007) filesystem/shared and --default_container_info broken since 1.1
Date Fri, 05 May 2017 14:31:04 GMT

    [ https://issues.apache.org/jira/browse/MESOS-7007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998408#comment-15998408
] 

Pierre Cheynier commented on MESOS-7007:
----------------------------------------

I cherry-picked that on 1.2.0 (solved a few conflicts), I confirm that it works well !
Many thanks !

> filesystem/shared and --default_container_info broken since 1.1
> ---------------------------------------------------------------
>
>                 Key: MESOS-7007
>                 URL: https://issues.apache.org/jira/browse/MESOS-7007
>             Project: Mesos
>          Issue Type: Bug
>          Components: agent
>    Affects Versions: 1.1.0
>            Reporter: Pierre Cheynier
>            Assignee: Chun-Hung Hsiao
>
> I face this issue, that prevent me to upgrade to 1.1.0 (and the change was consequently
introduced in this version):
> I'm using default_container_info to mount a /tmp volume in the container's mount namespace
from its current sandbox, meaning that each container have a dedicated /tmp, thanks to the
{{filesystem/shared}} isolator.
> I noticed through our automation pipeline that integration tests were failing and found
that this is because /tmp (the one from the host!) contents is trashed each time a container
is created.
> Here is my setup: 
> * {{--isolation='cgroups/cpu,cgroups/mem,namespaces/pid,*disk/du,filesystem/shared,filesystem/linux*,docker/runtime'}}
> * {{--default_container_info='\{"type":"MESOS","volumes":\[\{"host_path":"tmp","container_path":"/tmp","mode":"RW"\}\]\}'}}
> I discovered this issue in the early days of 1.1 (end of Nov, spoke with someone on Slack),
but had unfortunately no time to dig into the symptoms a bit more.
> I found nothing interesting even using GLOGv=3.
> Maybe it's a bad usage of isolators that trigger this issue ? If it's the case, then
at least a documentation update should be done.
> Let me know if more information is needed.



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