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Re: Debian Wheezy images for OpenStack in HP cloud






On Wed, Jan 8, 2014 at 10:38 AM, Thomas Goirand <zigo@debian.org> wrote:
>
> On 01/08/2014 04:55 PM, Juerg Haefliger wrote:
> > Hi Thomas,
> >
> >>
> >> Hi,
> >>
> >> I have uploaded an up-to-date Wheezy image using the
> >> build-openstack-images package currently available in Wheezy. Here's the
> >> IDs:
> >>
> >> region-a.geo-1:
> >> 4f3a6b69-dd27-4ad1-8307-def66c436f8c
> >>
> >> region-b.geo-1:
> >> 9c86049c-06cf-4f96-ba46-1eba57cc65ff
> >>
> >> These images have the public flag, so they are available for everyone.
> >> They are up-to-date regarding security updates.
> >
> > Very cool! Thanks for doing this.
> >
> > I noticed that /dev/vdb doesn't get mounted automatically.
>
> Is there by default a /dev/vdb in the HP cloud? Why this? The fstab that
> I create doesn't have any reference to vdb at all...

The vdb entry is added by cloud-init. Cloud-init pulls the the relevant information from the metadata service:

$ debian@juergh-b0e61e83:~$ curl 169.254.169.254/2009-04-04/meta-data/block-device-mapping/ephemeral0
/dev/vdb


> > This is due
> > to the 'nobootwait' mount option in /etc/fstab which Debian doesn't
> > understand (it's an Ubuntu extension). You need to add the following
> > line to /etc/cloud/cloud.cfg:
> > mount_default_fields: [~, ~, 'auto', 'defaults,nofail', '0', '2']
>
> Will that be enough, even without "fixing" the fstab?

Yes. It's all cloud-init magic.

...Juerg


> > Also, you should set some additional image properties using 'glance
> > image-update <image ID> --property <key>=<val>':
> > - architecture=x86_64 (I'm actually surprised that the image boots
> > without this. The scheduler uses this property to find a node that
> > supports the image's architecture. I guess there's a sane default...)
> >
> > And the following are required if you want users of the management
> > console (manage.hpcloud.com <http://manage.hpcloud.com>) to be able to
> > use the image:
> > - com.hp__1__bootable_volume=true
> > - com.hp__1__image_lifecycle=active
> > - com.hp__1__image_type=disk
> > - com.hp__1__os_distro=debian
>
> Will do that (after you explain me this vdb stuff...).
>
> > You might also want to consider to protect the image (glance
> > image-update <ID> --is-protected=true) so that it can't be deleted
> > accidentally. Although I trust you not to do that :-)
> >
> > Best
> > ...Juerg
>
> Ok, will probably add the flag then. thanks!
>
> Thomas
>

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