[jira] [Updated] (MESOS-4643) PortMappingIsolatorTest fail when no namespaces are set.

["Benjamin Bannier (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-4643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Bannier updated MESOS-4643:
------------------------------------
    Priority: Major  (was: Minor)

> PortMappingIsolatorTest fail when no namespaces are set.
> --------------------------------------------------------
>
>                 Key: MESOS-4643
>                 URL: https://issues.apache.org/jira/browse/MESOS-4643
>             Project: Mesos
>          Issue Type: Bug
>         Environment: Linux Kernel 3.19.0-49-generic,
> libnl-3.2.27
>            Reporter: Till Toenshoff
>
> Currently our network isolator tests fail with the following output on a Ubuntu 14.04 VM.
> {noformat}
> [02:10:15][Step 8/8] [ RUN      ] PortMappingIsolatorTest.ROOT_NC_ContainerToContainerTCP
> [02:10:15][Step 8/8] ../../src/tests/containerizer/port_mapping_tests.cpp:164: Failure
> [02:10:15][Step 8/8] entries: Failed to opendir '/var/run/netns': No such file or directory
> [02:10:15][Step 8/8] ../../src/tests/containerizer/port_mapping_tests.cpp:164: Failure
> [02:10:15][Step 8/8] entries: Failed to opendir '/var/run/netns': No such file or directory
> [02:10:15][Step 8/8] [  FAILED  ] PortMappingIsolatorTest.ROOT_NC_ContainerToContainerTCP (4 ms)
> {noformat}
> The machine has no network namespaces set, hence {{/var/run/netns}} does not exist. 
> We should help users understanding this prerequisite or maybe even get these things in a fixture.



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