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Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
Behind the scenesHow we produce OpenStack
Thierry CarrezRelease Manager, OpenStack
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
OpenStack is large & growing
130+ git repositories1.8+ MLOC
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
OpenStack is painful
Difficult to deployDifficult to testDifficult to keep up with the changes
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
OpenStack is open innovation
Anyone can propose a changeLots of different companiesLots of different countries/culturesNo traditional management structure
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL?
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
5 Principles
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
1Not tested Not working→Not automatically tested Not tested→
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
2Code reviewsNobody gets a free pass
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
3Gate-centric developmentI, for one, welcome our new robotic overlords
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
4Time-based releasesHow I stopped worrying and embraced the coordination benefits
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
5Automate all the things...especially the boring tasks
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
Processes
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
6 m
onth
s
Design Summit, 4 days to discuss next release goals
PTLs define release goals
Milestones every 6 weeks
Last milestone, no more features (Feature Freeze)
RC1, creation of the release branch Final release
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
Design Write Code
Code review
Milestone Final
release Tests Gate Design
review Tests
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
Your git branch
master git branch
github
git.o.o
tarballs.o.o
review.o.o
developer
reviewers
infrastructurePEP8
HackingUnit tests
Integration tests
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
Challenges
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
NumbersOn a typical week day
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
1000Patchsets proposed
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
7500Gerrit comments and votes
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
16000Test runs, most spinning complete clouds
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
250Changes merged into OpenStack code
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
Thank you !
Coordination and Leadership challenges in producing OpenStack
Thierry Carrez (@tcarrez)Release management PTL
[email protected]://fnords.wordpress.com@tcarrez on
ttx on
picture credits Chaos by Daniela Hartman (https://www.flickr.com/photos/29487767@N02/4255026872) Coordination by Doug88888 (https://www.flickr.com/photos/doug88888/4687906267) Boring tasks by Alex Eylar (https://www.flickr.com/photos/hoyvinmayvin/5166095952) Congestion by Joiseyshowaa (https://www.flickr.com/photos/joiseyshowaa/7454479488) Rare issues by University of Liverpool HLS (https://www.flickr.com/photos/liverpoolhls/10740309163) Community focus by Thierry Carrez Watercooler by Eric Domont (https://www.flickr.com/photos/edomond/5348007434) Tension by J.D. Hancock (https://www.flickr.com/photos/jdhancock/7186117659)
