Re: [atomic-devel] Shared mounts in Atomic Host

[Daniel J Walsh <dwalsh redhat com>]

Should not need this since --privileged

On 03/16/2016 10:51 AM, Charlie Drage wrote:
> --cap-add SYS_ADMIN ?
>
> On 03/16, Dusty Mabe wrote:
> > I am using the updates-testing f23 atomic host that has docker 1.10. I
> > want to have a shared mount between the host and a docker container.
> >
> > I'm trying to do it but I keep getting an error
> >
> > ```
> > [vagrant vanilla-f23atomic ~]$ rpm -q docker
> > docker-1.10.2-6.git0f5ac89.fc23.x86_64
> > [vagrant vanilla-f23atomic ~]$ sudo atomic host status
> >    TIMESTAMP (UTC)         VERSION   ID             OSNAME            REFSPEC
> > * 2016-03-12 16:53:31     23.87     53e922e968     fedora-atomic     fedora-atomic:fedora-atomic/f23/x86_64/testing/docker-host
> >    2016-03-16 00:49:16     23.84     b428a17d6f     fedora-atomic     fedora-atomic:fedora-atomic/f23/x86_64/docker-host
> > [vagrant vanilla-f23atomic ~]$ sudo mount --make-shared /
You might want to do --make-rshared, if /tmp is a different mount point.
> >                                                                                                         
> > [vagrant vanilla-f23atomic ~]$ sudo docker run -it --privileged --rm -v /tmp/sharedfolder:/tmp/sharedfolder:shared sshfs /bin/bash
> > docker: Error response from daemon: Cannot start container 7e99752dd8f2812a7d7acaa58594504be936b6f37aa77b6521a7098450343837: Path /tmp/sharedfolder is mounted on /sysroot but it is not a shared mount..
> > ```
> >
> > I think this should work because this commit is in docker 1.10:
> > https://github.com/docker/docker/pull/17034/commits
> >
> > Am I doing something wrong?
> >
> > Dusty