Symfony2 killed me!

From monolithic to microservices at Blablacar.
Talk given at sfPot Nantes #1

Transcript

1. Symfony2 killed me! Olivier Dolbeau sfPot Nantes #1
2. @odolbeau Web Architect Olivier Dolbeau
6. From monolithic to microservices.
7. Front Admin API Workers Monolithic application
8. “It does everything, even coffee” Every developer ever
9. So big!
10. 406 187 NLOC There are “only” 268 041 NLOC for symfony/symfony
11. 29 582 Commits There are “only” 15 506 commits for symfony/symfony There are “only” 10 228 commits for joyent/node There are “only” 9 266 commits for twbs/bootstrap There are 44 809 commits for rails/rails (but it’s ruby… #troll)
12. ~ 75 contributors There are 1 193 contributors for symfony/symfony
13. 3 536 tests There are 17 593 tests for symfony/symfony
14. 20 minutes to run them all 28 minutes for symfony/symfony… #fake
17. Cons • Conflicts • Time consuming • Maintenance • Learning curve • Side effects
18. “With minor change comes major bugs” Myself based on its personal experience.
19. Objectifs Our technical objectives at Blablacar
20. Exponential growth 20 million members in April 2015
21. countries NEW IN 2015 India Mexico Hungary Romania Serbia Croatia 19
22. BlaBlaCar is deploying multiple datacenters.
23. We need to localize our data.
24. MICRO-SERVICES
25. Micro-services Users, ratings, notifications, moderation...
26. Overview
27. Overview
28. NO API!
29. Enter the gateway...
30. • It’s code. • It use DDD. • Everyone love it! • It’s very well organized. • There’s a lot of (very) strict rules. • It separate business logic & data access. • It’s a vendor! It’s easy to use everywhere!
31. Global organisation
32. How to: Get a rating
33. Business
35. Request
36. Usage
37. Usage
38. Usage
39. Usage
40. Usage
41. Response
42. Handler
43. Global organisation
44. Data
45. • Cache ready • backend agnostic
46. • Cache ready • backend agnostic Encapsulation FTW!
47. D BALStorage
48. RedisStorage
49. Gateway • Flexible • Usable everywhere • Very strict • Easy to test • Deployed when needed • Used for all new projects
50. V3 Previous ecosystem
51. Gateway V3 W W W W W C W C C C W Current ecosystem W • 90 workers • 40 commands
52. V3 W W W W W C W C C C W Future ecosystem? W Gateway Gateway Gateway
53. V3 W W W W W C W C C C W Future ecosystem? W B B B B B B D D D