[Labs-l] Ubuntu 14.04 Trusty image now available (mostly)

[Matthew Walker]

Godsend! *high five* Thank you + the rest of operations for your work on
this.

~Matt Walker
Wikimedia Foundation
Fundraising Technology Team


On Wed, May 21, 2014 at 9:37 AM, Andrew Bogott <abogott at wikimedia.org>wrote:

>
> I've just removed the "(testing)" from the labs Trusty image.  That image
> should now be safe and reliable for most uses.  If you don't care about
> Ruby, Rails, or Puppet, then feel free to dive in! Otherwise, read on...
>
> Puppet:
>
>     At the moment, default Trusty VMs run the same version of Puppet as
> the old Precise images.  So, no surprises there.  In some cases puppet
> classes that work just fine on Precise may malfunction due to mismatched
> Trusty package versions.  I haven't seen a lot of those cases so far, but
> it's something to be wary of.
>
> Role::Puppet::Self:
>
>     At the moment this doesn't work on Trusty at all.  Trusty wants to
> install puppet master version 3, which causes a great dependency cascade
> which ultimately threatens to uninstall the puppet client and break
> everything.  We're working on a couple of possible solutions to this, but
> in the meantime you should just avoid using Trusty as a puppetmaster or a
> puppet test box.
>
> Ruby, Rails, etc:
>
>     Our default Trusty VMs come standard with Ruby installed.  It is,
> however, a forwarded-ported version that is /not/ standard for Trusty.
>  That means that if you install anything that depends on Ruby then apt will
> try to upgrade your Ruby version which will break a bunch of things,
> including puppet, and probably result in the box being unusable.  So...
> when installing packages keep an eye out for such warnings.
>
>     In not all that long (a month or so, perhaps?) we'll be upgrading all
> of our infrastructure to puppet 3, in which case all of these
> version-conflict issues should be neatly resolved.  At that point I'll also
> switch Trusty over to the default base image; until then I still regard
> Precise as the safe choice.
>
>
>     If you encounter any difficulties with this image outside of the
> above, I'd like to hear about them!  Please respond to this thread with
> details.
>
> -Andrew
>
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