ITEM 2017 - Open Air IT Conference, Dnipro, Ukraine

1. DevOps:
How to sleep well
when your service is
in production.
Author: Iryna Kulakova
ITEM-2017

2. Agenda
 What is DevOps?
 DevOps Practices
 Value for your product
 Customer feedback loop
 Value for Engineers
 Combined engineering
 Practical recommendations

3. What is DevOps?
DevOps is the combination of cultural philosophies,
practices, and tools that increases an organization’s ability
to deliver applications and services at high speed.

4. DevOps Practices
 Agile software development
 Continuous integration
 Continuous delivery pipelines
 Automated and continuous testing
 Proactive monitoring
 Communication and collaboration
 Microservices

5. Value for your product?
 Speed
 Rapid Delivery
 High availability
 Security
 Scale

6. Customers feedback loop

7. Value for Engineers
 Reduces inefficiencies and saves time
 Visibility of Production Health
 Decreases risk for human mistake
 Incident detection/escalation
 Faster resolving of production incidents

8. Combined engineering
 Require involvement of engineers
in all aspects of project life
(development, testing, operations)
 Require deep knowledge of own system
and partners flows
 Emphasizes values such as
ownership and accountability
Development
OperationsTesting

9. Practical recommendations: Do not invent a
Wheel use existing tooling

10. Practical recommendations:
Automated tests
Unittests
Component tests
Integration test Performance tests
Acceptance tests
Stress tests
Usability tests

11. Practical recommendations:
Automated tests
Unittests
Component tests
Integration test Performance tests
Acceptance tests
Stress tests
Usability tests

12. Practical recommendations:
Monitoring
 Passive monitoring
 Active monitoring
 Health check runners
 Health status
 Latency measurement

13. Practical recommendations:
Incident management
 Define Incident’ severities
 Always have rollback plane
 Treat every change as Deployment
 Prefer rollback, not roll forward
 Troubleshooting guide
 Root cause analyze and follow up tasks

14. Sample of Severities

15. Useful links
 https://devops.com/
 https://puppet.com/
 https://www.chef.io/ccss/#devops-workshops
 https://azure.microsoft.com/en-us/try/devops/?v=17.23h
 https://aws.amazon.com/devops/what-is-devops/
 https://aws.amazon.com/devops/partner-solutions/

16. ????