Immutable Servers & Image Bakery

Immutable Servers/Infrastructure and Deploying Apps with Bakery Model

Transcript

1. Immutable Servers & Image Bakery
2. Mehmet Ali Aydın DevOps Engineer @maayd_in
3. DevOps & Microservices Consultancy We consult you move towards Containerization, Automated Provisioning, Deployment/Release Automation, Test Automation, Performance Tuning and moving to Cloud …
4. Server Operations Server A Server A Server A
5. Server Operations Server B Server B Server C Server C Server C Server E Server E Server E Server F Server F Server A Server A Server A Server D Server D Server B Server D Server F
6. Server Operations
7. Operations at Scale?
8. Car Insurance - Replacement Over Repair
9. Operational Risks rm -rf *
10. Maintenance Time of one Machine • Get informed with alarms: ~ 2 minutes • Investigate error logs and find the problem: ~ 5 minutes • Solve the problem: 3 minutes • Total Time: ~ 10 minutes Maintenance Time of 10 Machines • 7 + (3 x n) minutes • Total Time: ~ 37 minutes Maintenance Time
12. Replacement Time of one Machine • Get informed with alarms: ~ 2 minutes • Initialization of a new machine: ~ 2 minutes • Application boot up and health checks: ~ 1 minute • Total time: ~ 5 minutes Replacement Time of 10 Machine • 3 + 2 minutes • Total time: ~ 5 minutes Replacement Time
13. Replacement over Maintenance
14. SLA level of 99.99 % uptime/availability gives following periods of potential downtime/unavailability: • Monthly: 4m 23.0s • Yearly: 52m 35.7s SLA level of 99.999 % uptime/availability gives following periods of potential downtime/unavailability: • Monthly: 26.3s • Yearly: 5m 15.6s High Availability & Uptime
15. • Server #1 : $> node --version $> v6.9.0 • Server #2 : $> node --version $> v6.9.2 • Server #3 : $> node --version $> v6.9.4 Snowflake Servers
16. The Bakery Model
17. Image ref: http://www.3ders.org/articles/20150220-stuffhub-teams-with-candymaker-to-create-custom-lollipops-with-help-of-3d-printing.html The Bakery Model
18. • Binaries • Packages • Machine Images Artifacts
19. Image Bakery Temporary Instance For Bakery Image Bakery Image Repository Base Image Baked Image
20. Rolling Updates Image Repository Baked Image v2 App Instance v1 App Instance v1 App Instance v2 App Instance v2 App Instance v1 App Instance v2 App Instance v2 App Instance v1
21. Featured Implementers
22. Human Body Metaphor
23. Human Body Metaphor
24. Image Repository
25. Storage
26. Configuration Management
27. Secret Management
28. Log Management
29. Testing and Security
30. Docker & Docker Compose
31. Ansible & Vagrant & Packer
32. Demo https://github.com/maaydin/immutable-servers-demo
33. Happy Baking :) Happy Baking :)