[Starlingx-discuss] docker instance cannot boot (no boot device)

Dejan Muhamedagic dejan.muhamedagic at tttech-industrial.com
Thu Feb 6 14:44:30 UTC 2020


Hi Yong,

On Thu, 2020-02-06 at 09:46 +0800, Yong Hu wrote:
> Hi Dejan,
> Were you trying to run docker application inside a VM instance which
> is
> managed by OpenStack?

No. I just tried to launch a docker instance.

Are docker instances supposed to run within a VM instance?
> I don't quite understand what your use case was, could you articulate
> a
> bit more?

I just wanted to create an instance from the image of type docker.
There is nothing really special that I tried to do. I looked around for
some documentation on how Openstack deploys docker, but couldn't find
any information that could help.

Thanks,

Dejan

>
> regards,
> Yong
>
> On 2020/2/4 11:10 PM, Dejan Muhamedagic wrote:
> > Hi,
> >
> > I created in openstack an image of the docker type. When an
> > instance of
> > that image starts, the console shows the SeaBIOS version followed
> > by
> > ipxe and the last message is "No bootable device": it looks like as
> > if
> > openstack is trying to create a VM instead of a container.
> > openstack
> > shows the "container_format" of the image as "docker".
> >
> > The same docker image runs fine on the same controller host when
> > started by hand (docker load, followed by docker run).
> >
> > I couldn't find anything in the logs.
> >
> > What am I missing? Should a docker image be created in some special
> > way?
> >
> > Thanks,
> >
> > Dejan
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