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List:       lxc-users
Subject:    Re: [lxc-users] State of using docker in LXD
From:       Simos Xenitellis <simos.lists () googlemail ! com>
Date:       2017-11-01 16:50:24
Message-ID: CAPtVWc7Y0H0NW5ayMxLgHh75m_te8JN20yW7HRiWNdZHXPw-0w () mail ! gmail ! com
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I got it running without doing something very special,
according to https://blog.simos.info/how-to-run-docker-in-a-lxd-container/

There is the issue with the storage driver, being vfs.
What storage backend do you have for your LXD installation?

Simos

On Fri, Oct 27, 2017 at 3:25 PM, Björn Fischer
<bf@cebitec.uni-bielefeld.de> wrote:
> Hi there,
>
> while being successful with the patched Ubuntu 16.04 docker.io package I
> am not able to run the latest edge version of docker (17.10.0-ce, build
> f4ffd25) in an LXD (2.18) container:
>
> root@optimal-flounder:~# docker  --version
> Docker version 17.10.0-ce, build f4ffd25
> root@optimal-flounder:~# docker run  hello-world
> container_linux.go:295: starting container process caused
> "process_linux.go:399: container init caused \"rootfs_linux.go:57:
> mounting \\\"proc\\\" to rootfs
> \\\"/var/lib/docker/vfs/dir/23c1046e684604b6d120c0fd1fa7e3526e134a7927631efab9ab4dc3d7456f6d\\\"
> at \\\"/proc\\\" caused \\\"permission denied\\\"\""
> docker: Error response from daemon: oci runtime error:
> container_linux.go:295: starting container process caused
> "process_linux.go:399: container init caused \"rootfs_linux.go:57:
> mounting \\\"proc\\\" to rootfs
> \\\"/var/lib/docker/vfs/dir/23c1046e684604b6d120c0fd1fa7e3526e134a7927631efab9ab4dc3d7456f6d\\\"
> at \\\"/proc\\\" caused \\\"permission denied\\\"\"".
> ERRO[0000] error waiting for container: context canceled
>
> Is this a new issue or are these patches still missing?
> https://github.com/moby/moby/pulls?q=is%3Apr+hallyn
> https://github.com/opencontainers/runc/pulls?q=is%3Apr+hallyn
>
> It seems that the mount.Root patch was never merged although the pull
> request was closed.
>
> Are there plans to maintain the possibility of running docker inside an
> LXD container as a feature? Or is this just a proof of concept for
> docker 1.12? Any idea how upstream developers see this?
>
> Personally I think it is a killer feature to use LXD for docker
> deployment instead of VMs. It would be a pity if docker on LXD turns out
> as a nine day wonder.
>
> Cheers,
>
> Björn
> _______________________________________________
> lxc-users mailing list
> lxc-users@lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users
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