LXC OS Updates

[Ian Booth]

> I can certainly agree that
> the current logic of "do we run apt-get update" and "do we run apt-get
> upgrade" can get moved into environment level configuration, and then have
> specific defaults for Local that is different from other providers.
> Note that we also have cases like this if people are using "lxc" on other
> clouds, because we've moved to using the same template+cloning for all
> clouds. I'm pretty we don't need enough knobs to say "apt-get upgrade on
> virtual machines, but not in the LXCs deployed inside of those machines".
>

Yes, the intent is to provide two general configuration options for controlling
whether to run (in Ubuntu terms) apt-get update/upgrade. These would apply to
*all* machines created for an environment, whether container or not. For local
provider, as you say, we would consider using different defaults.