[jira] [Assigned] (MESOS-9125) Port mapper CNI plugin might fail with "Resource temporarily unavailable"

["Greg Mann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-9125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Greg Mann reassigned MESOS-9125:
--------------------------------

    Assignee: Greg Mann

> Port mapper CNI plugin might fail with "Resource temporarily unavailable"
> -------------------------------------------------------------------------
>
>                 Key: MESOS-9125
>                 URL: https://issues.apache.org/jira/browse/MESOS-9125
>             Project: Mesos
>          Issue Type: Bug
>          Components: network
>    Affects Versions: 1.4.1, 1.5.1, 1.6.1
>            Reporter: Jie Yu
>            Assignee: Greg Mann
>            Priority: Major
>
> https://github.com/apache/mesos/blob/master/src/slave/containerizer/mesos/isolators/network/cni/plugins/port_mapper/port_mapper.cpp#L345
> Looks like we're missing a `-w` for the iptable command. This will lead to issues like
> {noformat}
> The CNI plugin '/opt/mesosphere/active/mesos/libexec/mesos/mesos-cni-port-mapper' failed to attach container a710dc89-7b22-493b-b8bb-fb80a99d5321 to CNI network 'mesos-bridge': stdout='{"cniVersion":"0.3.0","code":103,"msg":"Failed to add DNAT rule with tag: Resource temporarily unavailable"}
> {noformat}
> This becomes more likely if there are many concurrent launches of Mesos contianers that uses port mapper on the box.



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