AWS DevDay 2020 - C-8: レジェンドシステムをEC2からKubernetesに置き換える戦い #AWSDevDay

Transcript

1. © 2020, Amazon Web Services, Inc. or its affiliates. All

   rights reserved. In Partnership with C-8: ϨδΣϯυγεςϜΛEC2͔Β Kubernetesʹஔ͖׵͑Δઓ͍ ඌ࡚ ߞଟ Chatworkגࣜձࣾ

2. ొஃऀ঺հ 2 ▸ Kouta Ozaki @k_kinzal k-kinzal ▸ Chatwork, YAML

   Engineer

3. Chatworkͱ͸ 3 ޮ཰తʹ৘ใڞ༗Ͱ͖Δ άϧʔϓνϟοτ ࢓ࣄͷݟ͑ΔԽ͕Ͱ͖Δ λεΫ؅ཧ ݟམͱ͕͠ͳ͘ͳΔ ϑΝΠϧڞ༗ ͍ͭͰ΋ձ͕ٞͰ͖Δ ϏσΦ/Ի੠௨࿩

4. Chatwork͸೔ຊ࠷େڃͷϏδωενϟοταʔϏε 4 3݄ ϦϦʔε 28.5ສࣾ
 ಥഁʂ 20ສࣾ
 ಥഁʂ ಋೖࣾ਺28.5ສࣾΛಥഁʂ
 (2020೥09݄຤೔࣌఺)

   10ສࣾ
 ಥഁʂ

5. 01 ϨδΣϯυγεςϜͱ͸

6. ϨδΣϯυγεςϜͱ͸ 6 ChatworkΛࢧ͑ଓ͚ͨPHPͷڊେͳϞϊϦε

7. 02 Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔

8. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 8 100 PR / month ʢ2017೥࣌఺ʣ

9. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 9 5~10% rollback ʢ2017೥࣌఺ʣ

10. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 10

11. VERIFY FIX IDENTIFY Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 11 DETECT MTTR MTTI MTTD

12. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 12

13. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 13

14. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 14

15. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 15 https://blog-ja.chatwork.com/2017/06/chatworkaws-dev-day.html

16. Chatwork͸ͳͥEKS΁ͷஔ͖׵͑Λܾஅͨ͠ͷ͔ 16 1.ঢ়ଶΛ࣋ͨͳ͍ 2.ߴ଎ͳೖΕସ͑

17. 03 EC2͔ΒEKS΁ͷҠߦઓུ

18. 18 ? Golden AMI ϨδΣϯυγεςϜͷ࢓༷Խ

19. ϨδΣϯυγεςϜͷ࢓༷Խ 19 Golden AMI PHP-FPM NGINX ... Serverspec Infrataster

20. ϨδΣϯυγεςϜͷ࢓༷Խ 20 New AMI ... ... ... Old AMI Ansible

    Serverspec ... ... ... Packer

21. EC2͔ΒEKS΁ͷ੾Γସ͑ํ๏ 21

22. EKSͷΞοϓάϨʔυઓུ 22

23. 04 EKS্ʹߏஙͨ͠ΞϓϦέʔγϣϯͷߏ੒

24. EKS্ʹߏஙͨ͠ΞϓϦέʔγϣϯͷߏ੒ 24

25. EKS্ʹߏஙͨ͠ΞϓϦέʔγϣϯͷϦϦʔεϑϩʔ 25

26. 05 Ҡߦʹͱ΋ͳ͏ChatworkͷαʔϏεఀࢭࣄྫ

27. 5%ϦϦʔεࣄ݅ 27 Weight: 5 Weight: 5 = 50%!?

28. 400k rpmͷ߈๷ 28

29. 400k rpmͷ߈๷ 29

30. DNSͷ໰͍߹ΘͤΤϥʔ 30

31. DNSͷ໰͍߹ΘͤΤϥʔ 31

32. ALB Ingress ControllerͱAPI Call Limitͷઓ͍ 32

33. 06 ·ͱΊ

34. ·ͱΊ 1. ϨδΣϯυ͸ίπίπటष͘΍Δ͔͠ͳ͍ 2. ίπίπ΍Εͳ͚Ε͹ࢮ͵ 34

35. ಇ͘Λ΋ͬͱָ͘͠ɺ૑଄తʹ