Presentation at Agile Tour Riga 2012 conference

1. Agile Operations
or
How to sleep
better at night
Raimonds Simanovskis

2. @rsim
github.com/rsim
Raimonds Simanovskis

3. The easiest Business Intelligence tool on the Web

5. Before Agile...
Customer Developer Tester

6. Agile Cross-Functional Team
Analyze
Design
Code
Test

7. Development vs Operations
Agile
SysAdmins
Support

8. DevOps
Customer
Support Developer
SysAdmin Tester
DBA

9. How to apply
Agile values
and practices
to Operations?

10. Agile Values
Individuals and Processes
over
interactions and tools
Working Comprehensive
over
production system documentation
Customer SLA
over
collaboration negotiation
Responding to Following
over
change a plan

11. Infrastructure
as code

12. Typical system
administration

13. Typical system
administration
App1
Pkg2
Pkg1 DB
OS
Installation Development
instructions server
App1
App1 Pkg2 Pkg3
Pkg2 Pkg3 DB
Pkg1
Pkg1 DB
OS
OS1 OS2
Production Test
ser vers server

14. Typical system
administration
App1
Pkg2
Pkg1 DB
OS
Installation Development
instructions server
App1
server
Pkg2 Pkg3
Test
Pkg1 DB
OS1 OS2
Production
ser vers

15. Automate
infrastructure build
Version
control
system

16. Automate
infrastructure build
Development
sand-box
Test server
Version
control
system Production
servers

17. Local sand-box tools
Vagrant + VirtualBox

18. Infrastructure
provisioning and
configuration tools
Sprinkle

19. Continuous
deployment

20. From development
to production
Development Operations Production

21. From development
to production
Development Operations Production

22. From development
to production
Development Operations Production

23. Fear of change

24. From Big Releases
to small deployments
Faster feedback
Problems localized faster
Reduces risk
Reduces overhead

25. Getting started
Continuous integration
Automated deployment
Real-time alerts
Root cause analysis

26. Good practices
Zero-downtime deployments
Feature flags
Gradual rollouts
A/B split testing

27. Monitoring and
self-healing

28. What to monitor?
Everything
CPU Memory is fine!
Disk Network

29. Start with
end-user experience
HTTP
Remote Is it alive?
user Time to respond? Our
One-time failure or server
frequent failures?

30. Real user monitoring

31. Preventive error log analysis

32. What to do when
something is wrong?
Application 1
Monitoring Application 2
application
Database
Operating system

33. What to do when
something is wrong?
Application 1
Monitoring Application 2
application
Database
Operating system
Alert

34. What to do when
something is wrong?
Application 1
Monitoring Application 2
application
Database
Operating system
Alert

35. What to do when
something is wrong?
a rt ! Application 1
Re s t
Monitoring Application 2
application
Database
Operating system

36. Fault tolerant systems
Design for failure
Fail fast
Collect failure data
Restore to known state

37. Monitoring tools

38. Managing infrastructure
with code is fun!
Pkg2
Pkg1 DB
App1 OS