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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
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Kouta Ozaki
October 20, 2020
Programming
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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
#AWSDevDay
Kouta Ozaki
October 20, 2020
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Transcript
© 2020, Amazon Web Services, Inc. or its affiliates. All
rights reserved. In Partnership with C-8: ϨδΣϯυγεςϜΛEC2͔Β Kubernetesʹஔ͖͑Δઓ͍ ඌ࡚ ߞଟ Chatworkגࣜձࣾ
ొஃऀհ 2 ▸ Kouta Ozaki @k_kinzal k-kinzal ▸ Chatwork, YAML
Engineer
Chatworkͱ 3 ޮతʹใڞ༗Ͱ͖Δ άϧʔϓνϟοτ ࣄͷݟ͑ΔԽ͕Ͱ͖Δ λεΫཧ ݟམͱ͕͠ͳ͘ͳΔ ϑΝΠϧڞ༗ ͍ͭͰձ͕ٞͰ͖Δ ϏσΦ/Ի௨
Chatworkຊ࠷େڃͷϏδωενϟοταʔϏε 4 3݄ ϦϦʔε 28.5ສࣾ ಥഁʂ 20ສࣾ ಥഁʂ ಋೖࣾ28.5ສࣾΛಥഁʂ (202009݄࣌)
10ສࣾ ಥഁʂ
01 ϨδΣϯυγεςϜͱ
ϨδΣϯυγεςϜͱ 6 ChatworkΛࢧ͑ଓ͚ͨPHPͷڊେͳϞϊϦε
02 ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 8 100 PR / month ʢ2017࣌ʣ
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 9 5~10% rollback ʢ2017࣌ʣ
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 10
VERIFY FIX IDENTIFY ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 11 DETECT MTTR MTTI MTTD
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 12
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 13
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 14
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 15 https://blog-ja.chatwork.com/2017/06/chatworkaws-dev-day.html
ChatworkͳͥEKSͷஔ͖͑Λܾஅͨ͠ͷ͔ 16 1.ঢ়ଶΛ࣋ͨͳ͍ 2.ߴͳೖΕସ͑
03 EC2͔ΒEKSͷҠߦઓུ
18 ? Golden AMI ϨδΣϯυγεςϜͷ༷Խ
ϨδΣϯυγεςϜͷ༷Խ 19 Golden AMI PHP-FPM NGINX ... Serverspec Infrataster
ϨδΣϯυγεςϜͷ༷Խ 20 New AMI ... ... ... Old AMI Ansible
Serverspec ... ... ... Packer
EC2͔ΒEKSͷΓସ͑ํ๏ 21
EKSͷΞοϓάϨʔυઓུ 22
04 EKS্ʹߏஙͨ͠ΞϓϦέʔγϣϯͷߏ
EKS্ʹߏஙͨ͠ΞϓϦέʔγϣϯͷߏ 24
EKS্ʹߏஙͨ͠ΞϓϦέʔγϣϯͷϦϦʔεϑϩʔ 25
05 Ҡߦʹͱͳ͏ChatworkͷαʔϏεఀࢭࣄྫ
5%ϦϦʔεࣄ݅ 27 Weight: 5 Weight: 5 = 50%!?
400k rpmͷ߈ 28
400k rpmͷ߈ 29
DNSͷ͍߹ΘͤΤϥʔ 30
DNSͷ͍߹ΘͤΤϥʔ 31
ALB Ingress ControllerͱAPI Call Limitͷઓ͍ 32
06 ·ͱΊ
·ͱΊ 1. ϨδΣϯυίπίπటष͘Δ͔͠ͳ͍ 2. ίπίπΕͳ͚Εࢮ͵ 34
ಇ͘Λͬͱָ͘͠ɺతʹ