[jira] [Assigned] (MESOS-5381) Network portmapping isolator disable IPv6 failed

["Sha Zhengju (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-5381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sha Zhengju reassigned MESOS-5381:
----------------------------------

    Assignee: Sha Zhengju

> Network portmapping isolator disable IPv6 failed
> ------------------------------------------------
>
>                 Key: MESOS-5381
>                 URL: https://issues.apache.org/jira/browse/MESOS-5381
>             Project: Mesos
>          Issue Type: Bug
>          Components: isolation
>         Environment: CentOS7
>            Reporter: Sha Zhengju
>            Assignee: Sha Zhengju
>
> We observed this error in our environment:
> 1.  enable --isolation=network/port_mapping for mesos 0.28.0 on CentOS7.2 with kernel version:  3.10.0-327.10.1.el7.x86_64
> 2. create simple application on marathon framework with commands such as "echo hello"
> 3. mesos executor failed with error logs in sandbox stderr file:
> {quote}
> + mount --make-rslave /var/run/netns
> + echo 1
> sh: line 3: /proc/sys/net/ipv6/conf/all/disable_ipv6: No such file or directory Failed to execute a preparation shell command
> {quote}
> The reason is that we should do some ipv6 check in isolators/network/port_mapping.cpp:PortMappingIsolatorProcess::scripts(), if ipv6 module is not loaded while kernel booting(such as in CentOS7/RHEL7), we don't need to disable ipv6 anymore. 



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