The Five Stages of Chef Grief: My First 6 months with Chef, and Getting Around the Pitfalls
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By Jeff Carapetyan, delivered at DevOpsDays Austin 2014
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The Five Stages of Chef Grief: My First 6 months with Chef, and Getting Around the Pitfalls
- 1. The 5 Stages of Chef Grief My First 6 months with Chef, and Getting Around the Pitfalls
- 2. About me • Graduated from Trinity University • Did technical recruiting before DevOps • Craft Beer Lover • Futurama Quoter
- 3. Problem Statement • Learn chef
- 4. Problem Statement • Learn Chef • Put all our infrastructure as code
- 5. Problem Statement • Learn Chef • Put all of Our infrastructure as code • Create a configurable, reusable Hadoop cookbook
- 6. Problem Statement • Learn Chef • transition all of our infrastructure as code • Create a configurable, reusable Hadoop Cookbook • Can you do it in two weeks?
- 8. Denial: About Chef Chef Denial • It will be a no-brainer installation • I will master it in a week • documentation is easy to look up • it is always faster than manual or scripts • I will only have to learn Ruby
- 10. Easy Installation? • How do I google it? • Multiple tutorials • All very specific to what they are doing
- 11. Gem Errors • Gem Version conflicts • Incomplete installation • Have to have Rubygems installed
- 12. Solution: Omnibus • Versions for every distribution • Easy to follow • Installs everything you need to set up Chef
- 13. Outlining Chef • You want to data bag me where? • Role vs. cookbook, vs. environment vs. Chef-Repo • Why so many attributes? • Chef-solo vs. client vs. Enterprise vs. server • .pem issues
- 14. Logically • I am not a smart man • It’s all my fault • I am not cut out for DevOps
- 15. Chef is hard • different way of doing things • involves learning a lot about a certain product • requires unlearning and changing of patterns • You will stumble, and you will fall
- 16. use learn chef • Listen to Nathan Harvey (he’s a pretty cool guy) • https://learnchef.opscode.com/ • FOLLOW THE TUTORIALS BEFORE TRYING ANYTHING!!!
- 17. Bonus: Chef office hours • Every thursday (12:00-2:00 Pacific) • Designed to answer beginner questions • Primarily one on one
- 18. Bargaining and a little depression
- 19. Rule: What is the minimum I can do? • Minimum cookbooks that I have to write • Minimum programming I have to learn • Minimum manual scripting I have to do
- 20. Community cookbooks: expectation • community.opscode.com • over 100 cookbooks for basics (java, nagios, Hadoop) • Written so they can be all-inclusive • Should be a no-brainer
- 21. Community Cookbooks: reality • try to be all inclusive, end up as spaghetti code • often only make sense if you are an advanced user • highly opinionated • are often out of date, buggy, or even deprecated
- 22. Write my own cookbooks: expectation • It’s my code, it should be easy to follow • still won’t have to learn much Ruby • should be easy to pick up all the pieces of Chef now
- 23. Write my own Cookbooks: the reality • the 10x issue of all-inclusive • Still having to learn ruby/ a lot of chef • I was still doing manual steps
- 24. The solution • write single-use cookbooks • do it however it works • Don’t stress
- 25. Avoid what you don’t need until you are ready • no data bags • no wrappers • No LWRP’s • no plugins
- 26. I am DevOpsing so hard right now • Replaced scripts with actual code! • Some attributes • minimal roles • Getting more Ruby every day
- 28. Plugins • Developed by the community • There are a lot of them. A lot • Not easy to decide. • Don’t solve all of your problems
- 29. Solution • There kind of isn’t one • adopt as needed • listen to the community • Don’t write your own
- 30. Testing • okay, how do I test • 15 different testing suites • 4 different ways to run tests • Adds a lot of time to my workflow
- 31. Solution: Chef DK • Contains all the pieces of the chef • includes testing harness (test-kitchen) and plugins • installs pieces for unit, integration testing • it is officially chef-sponsored
- 32. Continuously Evolving • dramatically transformed in just 6 months • energetic, enthusiastic community • Huge things are coming in the future • chef 12 • chef supermarket • evolution of chefdk
- 33. Acceptance/Awesome!get raise make money buy khakis
- 34. in just 3 points • Chef is hard, and that’s okay • Don’t make it too hard and go to learn chef, take time • This is an evolving product
- 35. -DevOps Borat “To make error is Human, to propagate error to all server in automatic way is DevOps”