DevOps Higher Maturity Levels

2. Ben kimim?
Derya SEZEN
DevOps Consultant @kloia.com
Mentor @ctomentoring.com
@derya_sezen
deryasezen.com

3. Biz kimiz?
DevOps & Micro Services Consultancy/Training
12 Consultants (UK+TR)
@kloia_com
Blog: blog.kloia.com
* EventAPIS CQRS Event Sourcing Framework
kloia.co.uk kloia.com

4. http://devopsdays.istanbul

5. DevOps Maturity Meter

6. Trunk-based Development

7. Trunk-based Development
● No branching on version control
● All develop on trunk, inc. bug fixes
● No Code freeze
● No Merge
● “Anti gitflow”

8. Continuous Deployment

11. Behaviour Driven Development

12. Behaviour Driven Development

13. Behaviour Driven Development
Gherkin

14. Behaviour Driven Development
Gherkin
GIVEN i navigate to http://useinsider.com/event/pioneers-of-tech/
WHEN i click “Hemen Kaydol”
AND i enter “Adınız”
AND i hit “Kaydol”
THEN i will receive “Lütfen gerekli alanları doldurun”

15. Deploy ≠ Release

16. No rollbacks, always rollforward

17. “Everything-as-code”
● Analysis
● Documentation
○ Swagger
○ Automated
● Infrastructure
○ Router-switch
○ Firewall
○ OS
● Database schema
● Datafeed
● Deployment Pipeline
● ....

18. Pets vs Cattles
● Given names
● Unique
● Care
● When ill, nursed
● Given numbers
● Identical (almost)
● Livestock
● When ill, replaced

19. Pets vs Cattles
● Naming: No instance name (Automated), Service Naming
● Care: No ssh/remote desktop
● ill: Reprovision

20. Immutable deployment
● Not Blue-Green
● Don’t touch to the working environment
● Configuration Drift / History → long uptime is not welcome → Redeploy

21. Autonomic Computing/Infrastructure
IBM, 2002
1. Basic Level
2. Management Level
3. Predictive Level
4. Adaptive Level
5. Fully Automated Level

22. Platform Teams & Business Teams

23. Platform Teams & Business Teams
Classic approach:
● Dev-Test(Developers)
● Staging-Prod(Ops)

24. Platform Teams & Business Teams

25. Business Teams Platform Teams
Focus on software delivery Focus on platform services exploitation
Develop, run and maintain the application using
platform services
All app environment are production, they have internal
Dev-Test Platform environments
Responsible for production maintenance Responsible for exploitation of the platform services
Business Teams are customers
“Internal Cloud Service Provider” though on-premises
or Cloud Brokerage

26. Derya Sezen
@derya_sezen