[Bug 1503150] Re: Minimize installed packages from -proposed

[Launchpad Bug Tracker]

This bug was fixed in the package autopkgtest - 3.18

---
autopkgtest (3.18) unstable; urgency=medium

  Behaviour changes/improvements:
  * adt-virt-lxc: Drop --eatmydata option. Conceptually this isn't specific to
the LXC runner, it should always be used for package installation (when
available) with all runners, but never for tests.
  * setup-commands/cloud-vm-setup, tools/adt-setup-vm: Install and use
eatmydata.
  * Use eatmydata for --apt-upgrade and installing test dependencies, if
available.
  * ssh-setup/nova: Provide custom implementation of "wait-reboot" using "nova
reboot --poll". This works more reliably on some clouds.
  * ssh-setup/nova: Call "nova boot" with --debug to better be able to
diagnose failures.
  * Extend --apt-pocket=POCKET option to accept an additional
"=pkgname1,src:srcname1,..." package list. An entry "src:srcname" expands
to all binary packages built by that source. If given, set up apt pinning
to use only those packages from POCKET, so that package updates in that
pocket can be tested independently from each other for better isolation.
(LP: #1503150)
  * Add ssh-setup/maas: Acquire and Deploy a machine via MAAS to use as an
autopkgtest testbed. It assumes that MaaS is already set up, machines are
commissioned to it, and you added your ssh key to it.

  Bug fixes:
  * ssh-setup/nova: Drop "Warning: PoC", we've been using this in production
for a long time.
  * tools/adt-setup-vm: Check if we already have a configuration for the
specific network interface that we are configuring, not just any
interface.
  * tools/adt-buildvm-ubuntu-cloud: Counter-hack the Ubuntu livecd-rootfs
workaround for LP #1510345 by creating a configuration for ens3 and
removing the one for eth0.

 -- Martin Pitt   Wed, 11 Nov 2015 10:11:48 +0100

** Changed in: autopkgtest (Ubuntu)
   Status: Fix Committed => Fix Released

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Title:
  Minimize installed packages from -proposed

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Launchpad Bug Tracker]

** Branch linked: lp:~ubuntu-release/britney/britney2-ubuntu

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Title:
  Minimize installed packages from -proposed

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

I (locally) ran this for a few packages in current xenial-proposed,
found/fixed one more bug, and this looks good now.

britney change to request one test per trigger:
http://bazaar.launchpad.net/~ubuntu-
release/britney/britney2-ubuntu/revision/525

autopkgtest-cloud worker change to select triggering package from
-proposed and use the rest from -release: https://git.launchpad.net
/~ubuntu-release/+git/autopkgtest-cloud/commit/?id=f4fa3badf7a

** Changed in: britney
   Status: Fix Committed => Fix Released

** Changed in: auto-package-testing
   Status: Triaged => Fix Released

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Title:
  Minimize installed packages from -proposed

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

I locally did the britney change, but I won't push/roll this out on a
Friday evening.

** Changed in: britney
   Status: In Progress => Fix Committed

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Title:
  Minimize installed packages from -proposed

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

autopkgtest now has a series of commits which implement and test --apt-
pocket=proposed=binpkg1,src:srcpkg2,... .

** Changed in: autopkgtest (Ubuntu)
   Status: In Progress => Fix Committed

** Changed in: britney
   Status: Confirmed => In Progress

** Changed in: britney
 Assignee: (unassigned) => Martin Pitt (pitti)

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Title:
  Minimize installed packages from -proposed

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Re: [Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

Steve Langasek [2015-10-13 18:27 -]:
> Perhaps in this case we should fall back to installing with no pins, at
> least as a first approximation?

Unless mvo has a clever idea, I guess that's what we'll do then.

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Title:
  Minimize installed packages from -proposed

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

Changes to autopkgtest:
 - Extend --apt-pocket= to also accept 
--apt-pocket==binary1,binary2,src:src1,... 
   This would add the additional apt sources as usual, but additionally create 
an /etc/apt/prefererences.d/01autopkgtest like in comment #1. all "src:src1" 
entries are expanded to all binary packages of src1 in .
 - An integration test for this requires some work: Add functionality to create 
a set of fake debs, then create a fake -release and -proposed archive (with 
apt-ftparchive), and test various combinations.

Changes to autopkgtest-cloud:
 - Replace "--apt-pocket=proposed" with comma separated params['triggers'], 
prefixed with src:
 - If no test triggers are given (which happens with manual test requests that 
don't specify a trigger and thus should apply to and run against all -proposed 
package), continue to use "--apt-pocket=proposed" as before.

Changes to britney:
 - No changes are necessary for installing only the -proposed packages for the 
trigger for requesting an individual test run.
 - Request individual test runs for every trigger, instead of just one test run 
for all triggers. This is what we already do for kernels, but now we need to do 
that for all packages as a test of p for a trigger t1 does not apply to a 
different trigger t2 any more. (NB that this will cause a lot of additional 
test runs, particularly in scenarios like "new KDE version mass upload")

** Also affects: autopkgtest (Ubuntu)
   Importance: Undecided
   Status: New

** Also affects: britney
   Importance: Undecided
   Status: New

** Changed in: britney
   Status: New => Confirmed

** Changed in: autopkgtest (Ubuntu)
   Status: New => Triaged

** Changed in: britney
   Importance: Undecided => Wishlist

** Changed in: autopkgtest (Ubuntu)
   Importance: Undecided => Wishlist

** Changed in: autopkgtest (Ubuntu)
 Assignee: (unassigned) => Martin Pitt (pitti)

** Changed in: autopkgtest (Ubuntu)
   Status: Triaged => In Progress

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Title:
  Minimize installed packages from -proposed

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

@Steve: I just tried this on current wily-proposed with
http://people.canonical.com/~ubuntu-archive/proposed-
migration/update_excuses.html#obconf :

 /etc/apt/preferences.d/01autopkgtest 
Package: obconf
Pin: release a=wily-proposed
Pin-Priority: 900

Package: *
Pin: release a=wily
Pin-Priority: 900

Package: *
Pin: release a=wily-proposed
Pin-Priority: 100


# apt-get install -s obconf
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 obconf : Depends: libobrender32 (>= 3.6.0) but it is not going to be installed
  Depends: libobt2 (>= 3.6.0) but 3.5.2-8 is to be installed
  Recommends: openbox but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

It seems it's not considering its dependencies from -proposed, but tries
to install everything else from wily? Only if I bump the priority in the
third clause from 100 to 900 it works again (but then of course installs
all deps from -proposed).

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Martin Pitt]

What does work is to not specify "obconf" itself, but its dependencies,
i. e. the binaries of "openbox".

  Package: openbox libobt2 libobrender29 openbox-dev gnome-panel-control
openbox-gnome-session openbox-kde-session

This is actually the main use case that we want for autopkgtest -- i. e.
we update a dependency, we run a package (from -release, as much as
possible) against the new dependency in -proposed.

However, the use case in comment #5 also must work -- e. g. right now we
have obconf itself in -proposed so we must be able to test that in
isolation as well. In this case it should take obconf (pinned
explicitly) plus the openbox deps (as necessary for resolving
dependencies) from -proposed.

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[Bug 1503150] Re: Minimize installed packages from -proposed

[Steve Langasek]

The issue here is that libobrender32 is a new library in wily-proposed,
but libobt2 is an existing library in wily and libobrender32 needs the
newer version of the library from wily-proposed.  That falls under the
'caveat' in my analysis.

Perhaps in this case we should fall back to installing with no pins, at
least as a first approximation?

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  Minimize installed packages from -proposed

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