Partially phased updates on release media

[Brian Murray]

On Fri, May 21, 2021 at 05:25:22PM -0700, Steve Langasek wrote:
> On Wed, May 19, 2021 at 03:59:06PM -0700, Brian Murray wrote:
> > The release team was recently discussing the possibility of point
> > release media containing updates which are not fully phased and how this
> > creates a difference between upgraded systems and freshly installed
> > ones[1]. Looking at the packages which are not currently phasing[2] I've
> > discovered that the 16.04.7 installation iso contains
> > unity-control-center 15.04.0+16.04.20171130-0ubuntu1 and the 18.04.5 iso
> > contains nautilus 1:3.26.4-0~ubuntu18.04.5. To ensure that both types of
> > systems are the same I think we should fully phase these two packages.
> 
> > Additionally, a step should be added to the point release process to nag
> > the uploader of a package which has stopped phasing to investigate the
> > reasons for the stoppage well before (2 weeks?) the point release.  If
> > the package is still not fully phased in time for the point release then
> > the release team should make a decision about fully phasing it or
> > reverting to the previous version of the package.
> 
> > Provided there are not any objections I'll update the point release
> > process and ask some AA to fully phase those two packages.
> 
> > [1] Something I've heard Steve say should not happen.
> > [2] https://people.canonical.com/~ubuntu-archive/phased-updates.html
> 
> Given that these packages have been included in the point release media and
> all users have been getting them installed for months on new installs
> regardless of the phasing, I am a strong +1 for fully phasing them in the
> archive to get the behavior in sync.

I'm unable to use change-override to set the phased update percentage
for a package so would appreciate it if an archive admin could run the
following commands.

./change-override -s xenial-updates -S -z100  unity-control-center

./change-override -s bionic-updates -S -z100  nautilus

Thanks!
--
Brian Murray