[openstack-dev] [neutron][stable] proactive backporting
Miguel Angel Ajo
mangelajo at redhat.com
Mon Oct 19 10:17:47 UTC 2015
I thought that may be, some of the work Ihar is proposing, could be
Like, for example, checking if bug fixes are backportable as-is to the
branches, and if they pass testing.
If that's the case, the bot could automatically automatically add the
bug to the list, or
flag it with some sort of specific flag, so, we humans could verify it
does make sense
to backport such bug, and if it actually meets the "backportable"
Kuvaja, Erno wrote:
>> -----Original Message-----
>> From: Ihar Hrachyshka [mailto:ihrachys at redhat.com]
>> Sent: Friday, October 16, 2015 1:34 PM
>> To: OpenStack Development Mailing List (not for usage questions)
>> Subject: [openstack-dev] [neutron][stable] proactive backporting
>> Hi all,
>> I’d like to introduce a new initiative around stable branches for neutron
>> official projects (neutron, neutron-*aas, python-neutronclient) that is
>> intended to straighten our backporting process and make us more proactive
>> in fixing bugs in stable branches. ‘Proactive' meaning: don’t wait until a
>> known bug hits a user that consumes stable branches, but backport fixes in
>> advance quickly after they hit master.
>> The idea is simple: every Fri I walk thru the new commits merged into master
>> since last check; produce lists of bugs that are mentioned in Related-
>> Bug/Closes-Bug; paste them into:
>> Then I click thru the bug report links to determine whether it’s worth a
>> backport and briefly classify them. If I have cycles, I also request backports
>> where it’s easy (== a mere 'Cherry-Pick to' button click).
>> After that, those interested in maintaining neutron stable branches can take
>> those bugs one by one and handle them, which means: checking where it
>> really applies for backport; creating backport reviews (solving conflicts,
>> making tests pass). After it’s up for review for all branches affected and
>> applicable, the bug is removed from the list.
>> I started on that path two weeks ago, doing initial swipe thru all commits
>> starting from stable/liberty spin off. If enough participants join the process,
>> we may think of going back into git history to backport interesting fixes from
>> stable/liberty into stable/kilo.
>> Don’t hesitate to ask about details of the process, and happy backporting,
> This looks like neat way to do it. In Glance we're doing constantly proactive backporting and I have been nominating bugs for series' and approving backports for a while now. We prefer not to have user coming to us and telling that they hit to bug in "stable" we had known already for ages, just didn't bother to backport the fix. It has worked out really well and people are learning to propose these without me needing to read every single commit message.
> Good luck, has worked great for us!
> - Erno
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