(and vice-versa) better makes python how …...plugin patterns pbr packaging automation...
TRANSCRIPT
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HOW OPENSTACK MAKES PYTHON BETTER(and vice-versa)
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Hello!I AM DOUG HELLMANN
Red HatTechnical Committee memberPSF Fellow@doughellmann on Twitterdhellmann on Freenode
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Hello!I AM THIERRY CARREZ
OpenStack Foundation staffTechnical Committee chairPSF Fellow@tcarrez on Twitterttx on Freenode
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1.OPENSTACK
A community-led project
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Electedteam leadershipProject teams select their own leaders every release cycle.
INDEPENDENT GOVERNANCE
Electedoversight boardOverall project leadership elected by the contributors every year.
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OUR BASE PRINCIPLES:THE FOUR OPENS
Open source
Open development
Opendesign
Open community
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THE BIG TENT
OpenStack is made of people
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2.WHAT PYTHON BRINGS TO OPENSTACK
Ease of Use & Inclusive Community
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WHY OPENSTACK CHOSE PYTHON
○ Distro integration○ Easy to read○ Easy to learn○ Easy to patch○ Ops familiarity
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WHY OPENSTACK KEPT PYTHON
○ Integration language○ PyPI ecosystem○ Easy to read○ Easy to learn○ Inclusive community
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3.WHAT OPENSTACK BRINGS TO PYTHON
Funding, Contributors, & Quality
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EXPERIENCE SOUGHT
○ Cloud / sysadmin / devops○ Technologies like storage or networking○ Python
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OPENSTACK & PYTHON JOBS
trends for jobs containing python, openstack, openstack python, storage, network, and virtualization from indeed.com
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SUPPLY & DEMAND
trends of salary index for python and openstack jobs from indeed.com
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EMPLOYER INDEPENDENCE
○ Community Member○ Reputation-based Influence○ Job Mobility
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INFLUX OF PYTHON DEVELOPERS
○ Converted from “Enterprise” languages○ Growing excited about Open Source○ Joining the Python Community
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QUALITY
Detecting regressions before anyone else
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23 000
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23 000
Number of test runs in OpenStackon a typical work day
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PYMEMCACHE 1.3.0
○ Released (Friday) July 24, 2015○ Moved exceptions around in backward-
incompatible ways○ Bug spotted and reported July 26, 2015○ Pymemcache 1.3.2 released July 26, 2015
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KAZOO 2.1
○ Released May 11, 2015○ Deadlock when acquiring a lock that is
already acquired○ Bug reported May 12, 2015
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NETADDR 0.7.16
○ Released August 30, 2015○ Failing on validating a previously valid
MAC address○ Bug reported August 31, 2015○ Netaddr 0.7.17 released August 31, 2015
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CONTRIBUTIONS
Direct and indirect
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LIBRARIES WE MADE
cliffCLI framework
stevedoreplugin patterns
pbrpackaging automation
debtcollectordeprecation manager
futuristadditions to futures
automatonstate machine library
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TOOLS WE MADE
jjbJenkins Job Builder
zuulCI gate management
renorelease notes in git
banditsecurity linter
gabbideclarative HTTP tests
gerttyconsole-based gerrit UI
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UPSTREAM CONTRIBUTIONS
Packaging
packaging, pip, setuptools, wheel
Web
Pecan, requests, WebOb, Werkzeug
Testing
fixtures, testtools, testrepository, tox
Database
Alembic, python-memcache, Pandas, redis-py, SQLAlchemy
Interpreters
CPython, PyPy, Jython
Other
Dogpile, eventlet, iso8601, Mako, pykerberos, retrying, six
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ADOPTED LIBRARIES
○ pylockfile○ mox3○ WSME○ sqlachemy-migrate
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4.CONCLUSION
How do we improve the symbiosis?
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ADOPT GATING
Taste before you commit
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FOLLOW SEMVER
Major.Minor.Patch
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ONCE IT’S OUT,IT’S OUT
Remembereventlet 0.18.1
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DON’T RELEASE ON A FRIDAY
You might interfere with someone’s idea of a good week-end
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CONTRIBUTE UPSTREAM
More fixes, more features.
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DECOMPOSE / REFACTOR
Make more reusable components.
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HIGHLIGHTOUR WORK
Write more documentation for the tools we’ve already built.
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SHARE OUR EXPERIENCE
Talk about the patterns we’ve adopted, and our experience solving complex problems.
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Other OpenStack Community Members at EuroPython 2016
○ Victoria Martinez De La Cruz - Build your first OpenStack application with OpenStack PythonSDK
○ Victor Stinner - FAT Python: a new static optimizer for Python 3.6
○ David Flanders - OpenStack Cloud Native Deployment for Application Developers
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THANKS!Any questions?
You can find us at:@doughellmann [email protected]@tcarrez [email protected]
Presentation template by SlidesCarnivalCook kid CC-BY-2.0 by SalTheColourGeek @ https://www.flickr.com/photos/92735078@N03/15949256429Fire buckets CC-BY-2.0 by Steve Greer @ https://www.flickr.com/photos/steviegreer/2919157836Lego Cup Mix CC-BY-2.0 by Jonathan Stewart @ https://www.flickr.com/photos/51804380@N07/5039810904Lightbulb CC-BY-2.0 by Richard Rutter @ https://www.flickr.com/photos/clagnut/2865788674Stream CC-BY-SA-2.0 by Shashank Bhat @ https://www.flickr.com/photos/shashankbhat/12861715603Owl CC-BY 2.0 by Dirk Van de Velde @ https://www.flickr.com/photos/23975018@N04/3675503072
Credits:
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