A DevOps Success Story

Experience report of a successful DevOps transformation in a small company in Zürich/Switzerland. DevOps Enthusiast Meetup Zürich, 2017-04-04.

Transcript

1. A DevOps Success Story @matiasfrndz DevOps Enthusiast Meetup Zürich – 2017-04-04
2. Matías E. Fernández @matiasfrndz https://matiasfrndz.ch
3. The Purpose
 of a Business
4. value pay business customer
5. The Three Ways
 of DevOps
6. Dev Ops business customer
7. Dev Ops Flow Feedback Continual 
 Learning & Experimentation
8. Experience Report
9. The Company • Hosting provider based in Switzerland • Specialised in highly available and scalable platforms • Approx. 1’500 servers in 3 data centres • Approx. 16’000 checks/metrics collected every 5 min. • Powering revenue of CHF 2 billion per year • 24/7 operations with on-call rotation
10. 2011 – The Beginning • Approx. 10 people in 1 team • Wide range of customer segments (B2B, B2C) • No documented processes • No defined service portfolio
12. Getting Into the Flow Dev Ops
13. Scrum vs. Kanban
14. Choosing the Right Team • Find innovators and early adopters • Build critical mass & silent majority • Identify holdouts
15. – Ron van Kemenade, CIO of ING “Leading change requires courage, especially in corporate environments where people are scared and fight you. But if you start small, you really have nothing to fear. Any leader needs to be brave enough to allocate teams to some calculated risk-taking.”
16. Our First Deployment Pipeline
17. Configuration as Code
18. Service Oriented Architecture (SOA)
19. The Strangler Pattern https://continuousdelivery.com/implementing/architecture/
20. Team Retrospectives
21. Day-to-Day Business
 versus
 Project Work
22. –The DevOps Handbook “Improvement of daily work is more important than daily work itself.”
23. Increasing Focus
 by introducing a
 Service Portfolio
24. Enabling Feedback Dev Ops
25. Our First
 Telemetry Pipeline dashing.io Nagios
 +
 check_mk Wow!
26. Git Branching Model • Trunk based Development • Feature branches • Pull requests
27. Improved Feedback Loop Dev Ops Nagios + check_mk
28. DevDays
 with Customers
29. Hypothesis Driven Development • We Believe that increasing the size of hotel images on the booking page • Will Result in improved customer engagement and conversion • We Will Have Confidence To Proceed When we see a 5% increase in customers who review hotel images who then proceed to book in forty-eight hours.
30. Lean Startup
 and the Scientific Method Build Measure Learn Idea Requirement Hypothesis Data Product Experiment allows collecting
 the required data required to prove the hypothesis a.k.a. empirical evidence
31. The Hypothesis 
 Validation Engine Dev Ops ✓ ✘ ✓ new: validated:
32. Establishing a 
 Culture of Learning Dev Ops
33. Blameless Postmortems
34. High Trust
 Enables Experimentation and Risk Taking
35. Core Development Principles • Consistency • Explicitness over Implicitness • The Boy Scout Rule • Don’t Repeat Yourself (DRY) • Zero Waste • You Ain’t Gonna Need It (YAGNI)
36. Convert Local Discoveries
 into Global Improvements
37. • Drinking coffee together • Brown-bag sessions • Mandatory trainings • Video recordings • DevDays • Public conferences and meetups
38. ChatOps
39. Main Successes • New hires were able to work on tickets and deploy to production on their second working day • New features were implemented and deployed to production within days • New servers (physical and virtual) where deployed within 10 minutes • Successful ISO 9001 certification
40. Start Your DevOps Journey Today!
41. –Apple, Inc. television commercial from 1997 “Because the people who are crazy enough to think they can change the world, are the ones who do.”
42. https://devopsdays.ch/