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GunosyでのMicroservicesの現状とGoの使いどころ
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y_matsuwitter
March 11, 2015
Programming
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GunosyでのMicroservicesの現状とGoの使いどころ
Gunosy.go#11での発表資料
y_matsuwitter
March 11, 2015
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Transcript
GunosyͰͷ Microservisesͷݱঢ়ͱ Goͷ͍Ͳ͜Ζ @y_matsuwitter
ࣗݾհ • ։ൃຊ෦ࣥߦһࡶ༻ • iOS, Android, Infrastructure, Web • Golangڭ
• ਖ਼࠲ • ࠷ۙؾʹͳΔͷ: MQTT
࠷ۙίʔυॻ͚ͯ·ͤΜ…
ࠓͷ • GunosyͰӡ༻͍ͯ͠ΔMicroservicesͷ • ͦͷதͰGoΛͲ͏͍ͬͯΔ͔
Microservices = খ͞ͳαʔϏεͷΈ߹Θͤ
What is microservices? • <=> Monolithic • దͳنͷϏδωευϝΠϯ͝ͱʹ෦αʔϏεΛׂ • ΞϓϦέʔγϣϯଆ͔Β֤छAPIΛݺͼग़͢
• αʔϏεʹ߹Θٕͤͨज़બఆΛ࣮ࢪ • SOAͷম͖͠
Why microservices? • Ϗδωεʹ߹ΘͤͨνʔϜͷׂɾฤ • খ͞ͳαʔϏεʹΑΔଐਓੑͷرബԽ • Ϗδωεཁٻʹର͢ΔॊೈͳରԠ • ͍Βͳ͍ͷΛࣺͯΒΕΔ
ϞϊϦγοΫͳγεςϜͰɺϏδωε͕͢Δʹै͍վम ίετ͕૿Ճ͍ͯ͘͠
ࣄྫ: Soundcloud • طଘͷϞϊϦγοΫ͕͋ͬͨ • ϦϑΝΫλϦϯάͷஈ֊ͰαʔϏεΛੳ • ϏδωευϝΠϯ͝ͱʹMicroserviceΛߏங • FinagleϕʔεͷRPCͰେྔͷJVM্ͷΞϓϦΛ݁߹
• ͦͷ্Ͱ༷ʑͳݴޠΛӡ༻ ࢀߟ: Building Products at SoundCloud
MicroservicesͷதͰੜ ͖ΔGo
ͳͥGoͳͷ͔ • ֎෦ґଘͷͳ͍όΠφϦ • ܰྔ͔ͭϋΠύϑΥʔϚϯε • ڞ௨ϥΠϒϥϦΓग़ָ͕͠
GunosyͰͷ
None
• άϊγʔͱ͍͏୯ҰͷχϡʔεΞϓϦ • ෦ϏδωευϝΠϯ͝ͱʹׂ • PlatformߏʹΑΓ෦ͷϏδωευϝΠϯຖ݄̎ͭ΄Ͳ ૿͍͑ͯΔ
None
ࣾMicroserviceͷߏཁૉ • API༻HTTPαʔό • όονॲཧܥαʔό • ཧը໘ • Πϯϑϥߏɾཧπʔϧ
None
APIαʔό • ༻ҙ͞ΕͨσʔλΛదͳυϝΠϯϩδοΫʹͯฦ٫ • େͷAPI͕Golang
APIαʔόɺ͍ͬͯΔͷ • Kami ... WebFramework • mogi ... SQL stub
ϞσϧͳͲΛڞ༗ύοέʔδʹΓग़͠ɺ͍·Θ͢
ύοέʔδߏ • ϏδωευϝΠϯ͝ͱʹ1ϦϙδτϦ • ෦ߋʹࡉ͔͚ͨ͘υϝΠϯ͝ͱʹύοέʔδΛΔ example-service-1 ├── domain-1 ├── domain-2
├── main.go └── routes.go common-package ├── domain-1 ├── domain-2 └── main.go
None
όονॲཧ • ࣌ʹେྔͷσʔλΛɺAPIར༻KPIूܭͷͨΊʹར༻ • ෳαʔόͰͷฒྻॲཧ͕ඞཁͳ໘ଟʑ
όονॲཧ w/ Go • Goฐࣾͷόονॲཧʹࠓͷͱ͜Ζ΄΅ར༻͞Εͣ • େPython • ෳαʔόʹ·͕ͨΔͷPython +
Celery • APIͱͷڞ௨ॲཧ͕͋Γɺ1ΠϯελϯεͰࡁΉॲཧͷΈGo • ʢCacheσʔλͷੜͳͲʣ
None
ཧը໘ • σʔλεΩʔϚʹԠͯ͡ॊೈʹϑΥʔϜɾϦετΛੜɺॲ ཧ • ༷ʑͳόονॲཧΛΩοΫ͢Δ
ཧը໘ w/ Golang • ݴޠͷੑ࣭Ώ͑ɺॊೈͳϑΥʔϜੜɾӡ༻ʹ͍ͨπʔϧ গͳ͍ • ࣾͷཧܥDjango͔Rails͕ओ • APIܦ༝ͰGoAPIΛؒతʹར༻͢Δ͜ͱ͕ଟ͍
• νϟοτͷॲཧͳͲ
None
Πϯϑϥཧܥ • ֤छΞϓϦέʔγϣϯͷσϓϩΠ • ϞχλϦϯά
Πϯϑϥ w/ Go • ཧܥπʔϧͰGoͷͷଟ͍ • GoΛॻ͘͜ͱগͳ͍ • શମͷߏཧOpsworksͰ࣮ࢪ
σϓϩΠ w/ Go • go build͠ɺOpsworksʹΑΓඞཁͳϑΝΠϧ܈ΛS3ܦ༝Ͱ Β·͘ • CapistranoͷΓํʹ͍ۙσϓϩΠϑϩʔ /path/to/service
├── shared │ ├── logs │ ├── tmp │ └── config ├── 20150306085540 │ ├── bin │ ├── public │ └── etc... ├── 20150306090324 └── current -> /path/to/service/releases/20150306090324
·ͱΊ • ϏδωευϝΠϯ͝ͱʹҰͭͷαʔϏε܈Λ࡞ • GoʹͯύϑΥʔϚϯεΛ֬อͭͭ͠υϝΠϯؒɾϨΠϠʔؒ Ͱ࿈ܞ • ݱঢ়ͰαʔϏεͷՃʹ༨༟͕ग़ͯ͘Δఔʹ
Go + MicroservicesͰ αΫαΫαʔϏε֦େ
Future works... • gRPCͷར༻ʹΑΔαʔόؒ݁߹ • ΠϕϯτۦಈܕMicroservices(Reactive Microservices) • ৽͍͠هࣄ͕Ճ͞Εͨ =>
֤αʔϏε͝ͱʹউखʹඞཁ ͳॲཧ։࢝