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From "Bruce Merry (JIRA)" <>
Subject [jira] [Created] (MESOS-7156) Docker containerizer ignores capability requests
Date Wed, 22 Feb 2017 10:14:44 GMT
Bruce Merry created MESOS-7156:

             Summary: Docker containerizer ignores capability requests
                 Key: MESOS-7156
             Project: Mesos
          Issue Type: Bug
          Components: containerization, documentation
    Affects Versions: 1.1.0
         Environment: Ubuntu 16.04
            Reporter: Bruce Merry
            Priority: Minor

I'm trying to set a capability (SYS_NICE) by populating the linux_info.capability_info.capabilities
field in a ContainerInfo, while using the Docker containerizer. I was expecting this to turn
into a `--cap-add` argument passed to Docker, but in fact nothing happens. I also grepped
the source of Mesos HEAD and there doesn't seem to be any code to pass --cap-add.

Maybe this is intended, but I couldn't find anything to indicate this in the documentation
or in mesos.proto, and the placement of linux_info in ContainerInfo rather than in MesosInfo
led me to expect that it would be supported independently of the containerizer.

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