What's In This Cookbook?

or, How do I know what I’m eating?

An Ignite that touches on Opscode Chef's Cookbooks, and an attempt to help describe a Cookbook Versioning Policy (CVP).

Transcript

1. What’s In This Cookbook? or, How do I know what I’m eating? Thursday, June 6, 13
2. Mike Fiedler Operations Datadog.com Twitter: @mikefiedler GitHub: @miketheman Ops School Chef-Community Roller Derby Ref Skydiver ©Alex Erde Thursday, June 6, 13
3. It starts with... • good intentions • roll your own code • open source a solution • desire to release goodness frequently Thursday, June 6, 13
4. a running list Flickr: Ben Garney Thursday, June 6, 13
5. Crap. What’s the diff? Thursday, June 6, 13
6. So many cookbooks! Flickr: ex.libris Thursday, June 6, 13
7. Bring on Versions! RHEL 6.0 2010-11-09 RHEL 6.1 2011-05-19 RHEL 6.2 2011-12-06 RHEL 6.3 2012-06-20 RHEL 6.4 2013-02-21 Flickr: Alan Dayley Thursday, June 6, 13
8. Enter SemVer.org Thursday, June 6, 13
9. X.Y.Z apache 2.2.0 2.2.23 2.4.3 postgresql 9.0.13 9.1 9.1.9 9.2.4 python 2.6.6 2.6.8 2.7.5 Thursday, June 6, 13
10. But for cookbooks? Flickr: toholio Thursday, June 6, 13
11. Enter CVP Cookbook Versioning Policy: Sane Versioning for Chef Cookbooks http://chef-community.github.io/cvp/ Mad props to Kevin Christen! Thursday, June 6, 13
12. Public API • External interfaces • Names other recipes may be using • Libraries, Providers & Resources • Templates used via Providers Thursday, June 6, 13
13. Major Versions • Breaking changes • Removing previously deprecated functionality Thursday, June 6, 13
14. Minor Versions • Adding non-breaking features • New recipe, resource, provider • New attribute w/default value • Relaxing constraints Thursday, June 6, 13
15. Patch Versions • Fixing something broken • Typos Thursday, June 6, 13
16. In conclusion... Flickr: Geoffrey Gilmour-Taylor Thursday, June 6, 13
17. Mike’s Version Theory • Don’t break stuff • Don’t surprise others • Breaking something? Be LOUD! • Use similar practices for internal code Thursday, June 6, 13
18. KEEP IT HOT http://foodfightshow.org/ Thursday, June 6, 13
19. Speak to me about: Chef DevOps OpsSchool Automation Wine Skydiving Roller Derby #HugOps Thursday, June 6, 13
20. Yes, we’re hiring. http://jobs.datadoghq.com/ Thursday, June 6, 13