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Open Source Systems Administration
OpenStack Infrastructure Team
Our job is to make sure the OpenStack developers can do their job.
- Code review + Continuous Integration
- How we use it for Systems Administration
OpenStack Code Review (and CI) Challenges
- Lots of individual projects
- All projects must work together
- Changes should never break the master
- Code should be syntactically clean
- Testing should be completely automated
What we're using
- Launchpad
- Git
- Gerrit
- Zuul*
- Jenkins (with jenkins-job-builder*, devstack-gate*)
* Started by the OpenStack Infrastructure team
What we use it for
- All core OpenStack projects
- StackForge projects
- Documentation
- Systems Administration!
What we do (redux)
- Continuous Integration systems
- Cacti
- Logstash
- IRC Bots
- Etherpad
- Paste
- Planet
- Puppet Dashboard
- Mailing Lists
- Various smaller web services
- Wiki
Everything we do is in public
- Anyone on the internet can look at our changes
- Anyone can sign up for a code review account
- Anyone can write code reviews
What Systems Adminstrators Check
- flake8 (pep 8 and pyflakes)
- puppet parser validate
- puppet-lint
Peer Review
- Multiple eyes on changes prior to merging
- Good infrastructure for developing new solutions (particularly for a distributed team)
- No special process to go through for commit access
- Trains us to be collaborative by default
Automated deployment!
- Change gets checked in
- ...Either puppet master gets updated and applies change
- ...Or vcsrepo module in puppet pulls in latest version of project
Can you really manage via git commits?
- Cacti to keep an eye on server usage
- Puppet dashboard so you can watch your changes get applied (or not!)
- Thorough, specific documentation at http://ci.openstack.org
Limitations
- Sometimes you just need to log into a server
- More difficult for complicated migrations, upgrades
- Passwords need to be more privately managed
Questions
Contact
Openstack CI Resources
