HOW OPENSTACK MAKES PYTHON BETTER (and vice-versa) Hello! I AM - - PowerPoint PPT Presentation

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HOW OPENSTACK MAKES PYTHON BETTER (and vice-versa) Hello! I AM - - PowerPoint PPT Presentation

Mar 18, 2023 184 likes •589 views

HOW OPENSTACK MAKES PYTHON BETTER (and vice-versa) Hello! I AM DOUG HELLMANN Red Hat Technical Committee member PSF Fellow @doughellmann on Twitter dhellmann on Freenode Hello! I AM THIERRY CARREZ OpenStack Foundation staff Technical

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HOW OPENSTACK MAKES PYTHON BETTER (and vice-versa)

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Hello!

I AM DOUG HELLMANN

Red Hat Technical Committee member PSF Fellow @doughellmann on Twitter dhellmann on Freenode

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Hello!

I AM THIERRY CARREZ

OpenStack Foundation staff Technical Committee chair PSF Fellow @tcarrez on Twitter ttx on Freenode

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1. OPENSTACK

A community-led project

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Elected team leadership Project teams select their own leaders every release cycle.

INDEPENDENT GOVERNANCE

Elected

  • versight board

Overall project leadership elected by the contributors every year.

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OUR BASE PRINCIPLES: THE FOUR OPENS

Open source Open development Open design 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 OpenStack

  • n 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

cliff CLI framework stevedore plugin patterns pbr packaging automation debtcollector deprecation manager futurist additions to futures automaton state machine library

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TOOLS WE MADE

jjb Jenkins Job Builder zuul CI gate management reno release notes in git bandit security linter gabbi declarative HTTP tests gertty console-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

Remember eventlet 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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HIGHLIGHT OUR 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

  • ptimizer 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 doug@doughellmann.com @tcarrez thierry@openstack.org

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