[ec2-beta] ec2 & upgrade testing

[Robbie Williamson]

Great work, Michael!  I'm copying the ec2-beta list, as people on it will be
interested and can also help you, if needed. ;)

-Robbie

On 01/16/2009 08:56 AM, Michael Vogt wrote:
> Hi,
> 
> I worked on the ec2 upgrade testing stuff today and yesterday and I
> have a working prototype now in the lp:~mvo/update-manager/ec2
> branch. It can test upgrades in a ec2 instance in a similar fashion as
> the current kvm backend. I created the base images with vmbuilder
> (from my lp:~mvo/vmbuilder/mvo branch that contains some fixes against
> trunk/).
> 
> I did a successful automatic/unattended-upgrade for the server and the
> ubuntu-desktop profile. But my code is still prototypish and needs
> some cleanup love.
> 
> One pretty anoying limiation currently seems to be that the size of a
> image (a AMI) seems to be limited to 10Gb [1]. That is not enough for a
> full blown upgrade test that includes most packages in main (it is
> sufficient for our various default installs).
> 
> Its a good addition to the kvm based backend but its still useful to
> keep the kvm one around. Its nice to be able to boot a kvm upgraded
> image and login to test stuff manually (or verify upgrade bugs).
> 
> There is still a lot of room for improvements in the ec2 backend. I
> just use a single base AMI right now for everything, this should be
> changed so that each base image becomes its own ami. I also don't make
> any use of the ec2-volumes yet (but I'm not quite sure yet if they are
> useful for my use-case). I'm still learning how everything fits
> together :) 
> 
> Cheers,
>  Michael
> 
> 
> 
> [1] http://developer.amazonwebservices.com/connect/entry.jspa?externalID=1145 
> (question: "When I try to bundle my AMI, it fails. Why?")


-- 
Robbie Williamson                     		    robbie at ubuntu.com
Ubuntu Foundations Team Manager             robbiew[irc.freenode.net]
http://wiki.ubuntu.com/FoundationsTeam

"You can't be lucky all the time, but you can be smart everyday"
 -Mos Def

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Confidence is knowing no one else is better than you." -Me ;)