マイクロサービス・アーキテクチャと共存する Ruby on Rails のアーキテクチャ的拡張 - その事例と可能性 / Kaigi on Rails 2021

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©2021 Wantedly, Inc. ൃදͷૂ͍ "CTUSBDUΑΓ lۙ೥ɺίϯςφٕज़΍Ϋϥ΢υαʔϏεͷൃలʹΑͬͯɺඞͣ͠΋୯ҰͷϓϩάϥϛϯάݴޠͷΈͰγεςϜΛ ߏ੒͠ͳ͍έʔε΋૿͖͑ͯ·ͨ͠ɻࢲͨͪͷαʔϏεʹ͓͍ͯ΋ɺػցֶशٕज़ͳͲͷಋೖͷඞཁ͔Βɺ೥લ ͔Β3VCZҎ֎ͷݴޠͱڞଘ͍ͯ͘͠ܗͰɺNJDSPTFSWJDFTͷΞʔΩςΫνϟɾελΠϧΛஈ֊తʹಋೖ͖ͯ͠ ·ͨ͠ɻ ͜ͷऔΓ૊ΈͷதͰɺ3VCZPO3BJMTࣗମͷΞʔΩςΫνϟ΋ݟ௚͕͠ඞཁʹͳΓ·ͨ͠ɻྫ͑͹ɺ௨৴ʹ H31$Λ࠾༻͢Δ৔߹ɺ)551Λલఏͱͨ͠3BDLͷ࢓૊Έʹ͸৐Δ͜ͱ͕Ͱ͖ͣɺ͕ͨͬͯ͠ίϯτϩʔϥʔ ૚΋࠶ఆٛ͢Δඞཁ͕͋Γ·͢ɻ΄͔ʹ΋"1*εΩʔϚͷಋೖɺ"1*Ϩεϙϯεͷܕ෇͖ͷ૊Έཱͯɺ "DUJWF3FDPSEʹґଘ͠ͳ͍σʔλͷόονϩʔσΟϯάػߏͷಋೖͳͲΛߦ͍ͬͯ·͢ɻ ࠓճͷൃදͰ͸ɺ͜ΕΒͷܦݧΛ౿·͑ͯ୯Ұͷ౷߹γεςϜͱͯ͠ઃܭ͞Εͨ3VCZPO3BJMTΛ1PMZHMPUͳ NJDSPTFSWJDFTʹద߹͍ͤͯ͘͞ʹ͋ͨͬͯɺͲ͏͍ͬͨ՝୊͕Ұൠతʹ͋ΓɺͦΕΛࢲͨͪͷαʔϏεʹ͓͍ ͯ͸ͲͷΑ͏ʹղܾͨ͠ͷ͔Λ͓࿩͠͠·͢ɻಉ͡՝୊Λ͍࣋ͬͯΔํ͸΋ͪΖΜͷ͜ͱɺΞʔΩςΫνϟ֦ுʹ ରͯ͠։͔Ε͍ͯΔͱ͍͏3BJMTͷར఺Λݟ௚͢ػձͱͳΓɺࠓޙͷൃలՄೳੑͷٞ࿦ʹͭͳ͕Ε͹޾͍Ͱ͢ɻz

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© 2021 Wantedly, Inc. HOW ʛ ϓϩμΫτ։ൃ / ςΫϊϩδʔ / ਓ Applications System Data iOS Platform Web Platform Android Platform Infrastructure: Wantedly Design System Infrastructure : Kubernetes System Cluster • Argo Workflo w generate Gatewa y • GraphQ L Data Warehouse Infrastructure: BigQuery ΞʔΩςΫνϟͱओཁٕज़ • Primary Data   src: System • Log Data  src: System, Applications Raw Data • Protocol Buffers over gRP C • Protocol Buffers over Cloud Pub / Sub Online Communication Offline Communication [Language] TypeScript, Swift, Kotlin [Framework] React, ReactorKit [Language] Ruby, Go, Python [Datastore] Postgres, Redis, Elasticsearch [Machine Leaning] scikit, LightGBM [Observability] Istio, Datadog, NewRelic [Language] SQL [Data Inspector] Looker [Data Collector] fluentd ※ The Ruby logo by Yukihiro Matsumoto (2005) / CC BY-SA 2.5 ※ The Go gopher was designed by Rene French / CC BY 3.0 #Components < 10 #Components < 100 ࠓ೔ͷ͓࿩ ˞ෳ਺ͷ"QQMJDBUJPOʹಉ͡ػೳΛఏڙ͢ΔͨΊɺ   υϝΠϯϩδοΫ͸4ZTUFNʹू໿͠"1*Խ

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©2021 Wantedly, Inc. 1. microservices ͸͋͘·ͰΞʔΩςΫνϟɾελΠϧͳͷͰ࢖͍ํ͸৭ʑ 2. ग़དྷΔΑ͏ʹͳΔ͜ͱ͸ଟ͍͕ɺશͯΛ௚ͪʹ΍Βͳ͚Ε͹͍͚ͳ͍Θ͚Ͱ͸ͳ͍ 3. ಘΒΕΔརӹͱίετͷόϥϯεΛݟͳ͕Β΍͍ͬͯΔ ͲΜͳNJDSPTFSWJDFTΛ΍͍ͬͯΔ͔ ϓϩάϥϛϯάݴޠʜ1PMZHMPU w 1ZUIPOػցֶशɾਪનશൠ w 3VCZίΞͳυϝΠϯͷ΄ͱΜͲʢϞϊϦεˍ৽نυϝΠϯʣ w (P੹຿͕໌֬ɺ҆ఆੑ΍ϋΠύϑΥʔϚϯε͕ٻΊΒΕΔ΋ͷ̈ ϞϊϦεͷ෼ׂʜඅ༻ରޮՌ͕ߴ͍ɾඞཁʹͳͬͨՕॴ͚ͩ νʔϜͱͷରԠʜ݁Ռͱͯ͠ରԠ͢Δ͜ͱ͸͋Δ ̈8BOUFEMZʹ͓͚Δ(Pಋೖʹ·ͭΘΔٕज़എܠ ϙΠϯτ 30ݸ͘Β͍

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©2021 Wantedly, Inc. 8FCʜ8PSME8JEF8FCͷུশΠϯλʔϯωοτ 5IF*OUFSOFU 8PSME8JEF8FCʜ৘ใγεςϜ͕ू·ͬͨɺΦʔϓϯͳ෼ࢄγεςϜ w ͞·͟·ͳΫϥΠΞϯτɺαʔόʔͳͲ͕ࢀՃͨ͠Γɺ཭୤ͨ͠Γͯ͠ઈ͑ͣมԽ͍ͯ͠Δ w ಈతͳΞʔΩςΫνϟ 3&45ʜΑΓʮྑ͍ʯ8FCͷͨΊͷΞʔΩςΫνϟɾελΠϧ w lݸʑͷz৘ใγεςϜΛ͜͏ઃܭ͢Δͱɺlશମͱͯ͠zՁ஋͕૿͍͑ͯ͘͸ͣɺͱ͍͏ࢹ఺̈ 8FCͷ޲͔͍ͬͯΔ՝୊ 8FCͷߏ଄Λͦͷ··Ұͭͷ৘ใγεςϜΛ࡞ΔͨΊʹ࢖͑ΔͷͰ͸💡 github.com wikipedia.com ̈3F fl FDUJPOTPOUIF3&45BSDIJUFDUVSBMTUZMFBOEQSJODJQMFEEFTJHOPGUIFNPEFSOXFCBSDIJUFDUVSF

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©2021 Wantedly, Inc. 8FC৘ใγεςϜΛ࡞ΔͨΊͷ౷߹ϑϨʔϜϫʔΫ w 8FC৘ใγεςϜͷྫɿHJUIVCDPN 3&45ΞʔΩςΫνϟɾελΠϧͷӨڹΛڧ͘ड͚͍ͯΔ w 8FCશମͷՁ஋ʹ޲͍͍ͯΔ ➡︎ 3BJMTGPSNJDSPTFSWJDFT w NJDSPTFSWJDFTͱ3&458FCͷߟ͑ํ͸͍ۙ w υϝΠϯͰ෼ׂ͢ΔɺܰྔͳϓϩτίϧΛ࢖༻͢Δʜ̈ w 3BJMTͰNJDSPTFSWJDFTΛ࢝ΊΔ৔߹ɺຆͲͷ΋ͷΛͦͷ··స༻͢Δ͜ͱ͕Ͱ͖Δ w ϦΫΤετɾϨεϙϯεϞσϧɺ+40/ɺϦιʔεࢦ޲ɺɾɾɾ 3BJMTͷ޲͔͍ͬͯΔ՝୊ ̈5IF3BJMT%PDUSJOF ̈.JDSPTFSWJDFT NBSUJOGPXMFSDPN github.com wikipedia.com

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©2021 Wantedly, Inc. ૉ๿ͳస༻όʔδϣϯ͸ɺͦΕͳΓʹ্ख͘ಈ͍ͯ͘ΕΔ w ˞3BJMT͕͍࣋ͬͯΔ΋ͷΛNJDSPTFSWJDFTʹͦͷ··࣋ͪࠐΉ͜ͱΛɺͱΓ͋͑ͣ͜͜Ͱ͸ʮૉ๿ͳస༻όʔδϣϯʯͱݺͼ·͢ w ߏ଄ͱͯ͠͸େ͖͘ҧΘͳ͍ͨΊɺ8FC͕ಈ͍͍ͯͨͷͱಉ͡ݪཧͰಈ͔ͤΔɻ ߏ଄͸ࣅ͍ͯΔ͕ɺ໨త΍੍໿৚݅͸ҟͳΔ w ୯Ұͷ૊৫WT͋ΒΏΔ૊৫ w ΦʔϓϯWTΫϩʔζυ w ར༻͢Διϑτ΢ΣΞɾϞδϡʔϧͷίϯτϩʔϧՄೳੑ w ʜ ͪΐͬͱཱͪࢭ·ͬͯߟ͑Δ ➡︎ ͜ͷมԽʹରԠ͢Δʮ࠷దԽόʔδϣϯʯΛߟ͑Δ͜ͱ͕Ͱ͖Δ

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©2021 Wantedly, Inc. εΩʔϚఆٛݴޠ݉ɾγϦΞϥΠθʔγϣϯɾϑΥʔϚοτ σʔλܕΛʮϝοηʔδʯͱ͍͏୯ҐͰهड़ w ϓϩάϥϚʔͳΒ୭Ͱ΋͙͢ʹಡΈॻ͖Ͱ͖ΔΑ͏ͳ୯७ͳߏจΛ͍࣋ͬͯΔ ඵͰΘ͔Δ1SPUPDPM#VGGFST ※ Protobuf ͸࢓༷ͱͯ͠ JSON ΁ͷϚοϐϯά΋ఆٛ͞Ε͍ͯΔͨΊɺ  εΩʔϚͷهड़Λ Protobuf Ͱߦ͍ɺ࣮ࡍʹ΍ΓͱΓ͢ΔγϦΞϥΠ θʔγϣϯɾϑΥʔϚοτ͸ JSONɺͱ͍͏͜ͱ΋Մೳɻ

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©2021 Wantedly, Inc. NJDSPTFSWJDFTʹ͢Δͱɺ΍ΓͱΓͷ਺͕૿͑ͯϨΠςϯγʔ͕૿େ͕ͪ͠ ࣗ෼ͨͪͷγεςϜͰ͋Ε͹ιϑτ΢ΣΞϞδϡʔϧΛ౷Ұ͢Δ͜ͱ͕Ͱ͖Δ 8FCͷͪΐͬͱઌऔΓΛ͢Δ͜ͱ͕Ͱ͖Δ w )551Λར༻͢Δ w )551ΛσʔλసૹϨΠϠʔͱͯ͠׆༻ͨ͠ɺH31$Λར༻͢Δ ࠶ߟɿ௨৴ϓϩτίϧ ※ gRPC ͸ HTTP2 ͷʮϦΫΤετͷଟॏԽʯʮTCPηογϣϯͷࣗಈ࠶઀ଓʯ ͳͲΛ׆༻͓ͯ͠Γɺޮ཰తͳ௨৴͕Ͱ͖Δ

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©2021 Wantedly, Inc. ϦΫΤετɾϨεϙϯεϞσϧ͸ҙ֎ͱ੍໿͕ଟ͍ NJDSPTFSWJDFTͰ͸Ͳ͔͜Ͱ଍ᐫʹͳΔ w ͍ͭ଍ᐫʹͳΔ͔͸ཁٻ΍ಛੑʹΑΔʢҊ֎ઌͩͬͨΓ͢Δʣ w ͨͩ͠ɺ଍ᐫʹͳͬͨͱ͖ʹద੾ͳ൑அΛ͢ΔͨΊʹ͸ɺݶքΛೝ͓ࣝͯ͘͠ඞཁ͕͋Δɻ ผͷํࣜΛซ༻ɿʮඇಉظϝοηʔδϯάʯϞσϧ w Ϩεϙϯε͸ͦ΋ͦ΋ͳ͍ʢඞཁͳΒίʔϧόοΫΛୟ͘ʣ w ௚ͪʹϝοηʔδ͕ॲཧ͞ΕΔ͜ͱ΋ظ଴͠ͳ͍ʢ௨ৗ͸ʣ w ྫ͑͹(PPHMF$MPVE1VC4VCʹ1SPUPCVGϝοηʔδΛ٧ΊͯૹΔ ࠶ߟɿϦΫΤετɾϨεϙϯεϞσϧ

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©2021 Wantedly, Inc. 0OFTIPU w ͢΂ͯͷϦΫΤετ͸ɺͭͷϨεϙϯε͔͠ੜ੒Ͱ͖·ͤΜɻͦͷϨεϙϯεϝοηʔδ͕ Τϥʔʢ·ͨ͸ฆࣦʣʹͳͬͨ৔߹ɺճ෮ϓϩτίϧ͸͋Γ·ͤΜɻ 0OFUPPOF w ͢΂ͯͷϦΫΤετ͸ɺͭͷΫϥΠΞϯτ͔Βͭͷαʔόʔ΁ͱਐΈ·͢ɻҰ౓ʹෳ਺ͷά ϧʔϓʹϧʔςΟϯά͢ΔͷͰ͸ͳ͘ɺϓϩΩγͷνΣʔϯ͕ͦΕͧΕʹ౉͠·͢ɻ 0OFXBZ w ͢΂ͯͷϦΫΤετ͸ΫϥΠΞϯτʹΑͬͯ։࢝͞Εͳ͚Ε͹ͳΒͣɺ͢΂ͯͷϨεϙϯε͸ ௚ͪʹੜ੒͞Εͳ͚Ε͹ͳΒͳ͍ͨΊɺαʔόʔ͸ඇಉظͷ௨஌ΛૹΔ͜ͱ͕Ͱ͖·ͤΜɻ ࢀߟɿϦΫΤετɾϨεϙϯεϞσϧͷࡾͭͷݶք̈ 3PZ'JFMEJOHΒʹΑΔݟղ ̈3F fl FDUJPOTPOUIF3&45BSDIJUFDUVSBMTUZMFBOEQSJODJQMFEEFTJHOPGUIFNPEFSOXFCBSDIJUFDUVSF

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©2021 Wantedly, Inc. ໰୊ɿʮૉ๿ͳస༻όʔδϣϯʯͱʮ࠷దԽόʔδϣϯʯͷΪϟοϓ ղܾɿσϑΥϧτͷ.7$ΞʔΩςΫνϟΛద੾ʹΞοϓσʔτ͢Δ w 1SPUPDPM#V ff FSTͷಋೖ4DIFNB w 1C4FSJBMJ[FSͷಋೖ7JFX w H31$4FSWJDFͷಋೖ$POUSPMMFS w H31$*OUFSDFQUPSͷಋೖ.JEEMFXBSF w $PNQVUFE.PEFMͷಋೖ.PEFM w 1VC4VCϝοηʔδϯάͷಋೖ"TZODISPOZ ΍Γ͍ͨ͜ͱ ☑ API εΩʔϚͷಋೖ ☑ ϦΫΤετɾϨεϙϯεϞσϧͷ௨৴ϓϩτίϧͷมߋ ☑ ඇಉظϝοηʔδϯάϞσϧͷ௥Ճ

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©2021 Wantedly, Inc. "1*ఆٛΛू໿ͨ͠ϦϙδτϦΛ༻ҙ͍ͯ͠Δɻͦ͜ʹϚʔδ͍ͯ͘͠ɻ "1*ఆ͔ٛΒ֤ϝοηʔδʹରԠ͢ΔΫϥεΛੜ੒ͯ͠HFNͱͯ͠഑৴ $POUSPMMFSͷதͰ͜ΕΒͷΫϥεΛ࢖ͬͯϨεϙϯεΛ૊ΈཱͯΔ 1SPUPDPM#VGGFSTͷಋೖ 4DIFNB Ruby ͰͷϝοηʔδΦϒδΣΫτͷ૊Έཱͯ Protocol Buffers ʹΑΔఆٛ 💡 ίϝϯτॻ͘ͷେࣄ

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©2021 Wantedly, Inc. γϦΞϥΠβʔͷಋೖ w ໨తɿυϝΠϯʹ͋ΔϞσϧͷϦιʔεදݱΛฦ͢͜ͱ w ख๏ɿϞσϧΛϦιʔεදݱʹγϦΞϥΠζ͢ΔએݴతͳϞδϡʔϧΛఆٛ͢Δ 1C4FSJBMJ[FSͷಋೖ 7JFX XBOUFEMZQCTFSJBMJ[FS 1SPUPCVGͷϝοηʔδΫϥεΛࢦఆ ϥϯλΠϜͰܕ͕֬ఆ͢Δ ͖ͬ͞ͷ৑௕ͳίʔυ͕ফͤΔ ΋Ζ΋ΖͷόϦσʔγϣϯ͕ՄೳʹͳΔ ʢ͍ͣΕ੩తղੳ΋Ͱ͖Δ͔΋ͳ͊ʜ💭ʣ

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©2021 Wantedly, Inc. σϑΥϧτͷ3VCZH31$αʔόʔ࣮૷Λར༻ w HSQDTFSWFSHFNىಈίϚϯυɺϩʔυॲཧͳͲ w ىಈɿbundle exec grpc-server w ΞϓϦέʔγϣϯίʔυɿapp/grpc_services "DUJPO$POUSPMMFS͔ΒH31$4FSWJDF΁ͷஔ͖׵͑ $POUSPMMFS XBOUFEMZHSQD@TFSWFS

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©2021 Wantedly, Inc. XBOUFEMZSFMPBEFS@JOUFSDFQUPS 3BJMT͸)551αʔόʔΛந৅Խͨ͠3BDLΠϯλʔϑΣΠεͰಈ͍͍ͯΔ w 3BDLͷ࢓૊ΈͷதͰ.JEEMFXBSFͱݺ͹ΕΔϞδϡʔϧ܈͕͞·͟·ͳػೳΛఏڙ͍ͯ͠Δ w ➡︎ H31$ʹ͢Δͱɺ3BDL.JEEMFXBSF͕શ෦࢖͑ͳ͘ͳΔ H31$*OUFSDFQUPSͱ͍͏ࣅͨΑ͏ͳ࢓૊Έ͕ଘࡏ͢Δ w ଍Γͳ͍΋ͷ͸࡞Δɻ w ؂ࢹɾϞχλϦϯάɿ w HSQD@OFXSFMJD@JOUFSDFQUPSʜαʔόʔ؂ࢹπʔϧ΁σʔλΛૹΔ w HSQD@PQFODFOTVT@JOUFSDFQUPSʜ෼ࢄτϨʔγϯάͷͨΊͷσʔλΛૹΔ w HSQD@BDDFTT@MPHHJOH@JOUFSDFQUPSʜΞΫηεϩάΛͱΔ w ։ൃମݧɿ w SFMPBEFS@JOUFSDFQUPSʜϑΝΠϧΛมߋ͢ΔͱϦϩʔυ͞ΕΔ 3BDL.JEEMFXBSF͔ΒH31$*OUFSDFQUPS΁ͷஔ͖׵͑ .JEEMFXBSF XBOUFEMZHSQD@BDDFTT@MPHHJOH@JOUFSDFQUPS XBOUFEMZHSQD@PQFODFOTVT@JOUFSDFQUPS XBOUFEMZHSQD@OFXSFMJD@JOUFSDFQUPS ActiveSupport::Reloader Λར༻ Rails.application.config.filter_parameters Λࢀর ActiveSupport::ParameterFilter Λར༻

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©2021 Wantedly, Inc. XBOUFEMZDPNQVUFE@NPEFM ิҨɿ"DUJWF3FPDSEͷ෦෼తͳஔ͖׵͑ Ϟσϧʹ૬౰͢Δ෦෼ʹى͜ΔมԽ w ϨεϙϯεͰฦ͢Ϟσϧ͕"DUJWF3FDPSEҎ֎ʹɺଞͷNJDSPTFSWJDFͷσʔλͰ͋Γ͏Δ w "DUJWF3FDPSE͸ɺσʔλιʔεϞσϧఆٛͷରԠؔ܎Λ҉ʹԾఆ͢Δ͜ͱͰɺ   όονϩʔσΟϯάΛ୯७Խ͍ͯ͠ΔʢΊͬͪΌศརʣ ➡︎ ͜ΕΒͷؔ৺Λ෼཭ͨ͠Ϟσϧఆٛͷ࢓ํ͕͋ΔͱҰ෦Ͱ͸ศར w ʢ-5̈Ͱ঺հ͞Εͨʣ$PNQVUFE.PEFM͸͜ͷΑ͏ͳ༻్Ͱ࢖͑Δɻ .PEFM ̈DPNQVUFE@NPEFMͷ঺հ

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©2021 Wantedly, Inc. 3BJMT͓Αͼ8FCͷ޲͔͍ͬͯΔ՝୊Λ֬ೝ͠ɺ   NJDSPTFSWJDFTͱڞଘ͢Δ্ͰͷҰൠతͳ໰୊Λ͍͔ͭ͘ڍ͛ͨ ֤໰୊ʹରͯ͠ɺ͜ΕΛղܾ͢ΔΞʔΩςΫνϟͱίʔυΛఏࣔͨ͠ શମͱͯ͠ɺ3BJMTΛదԠྖҬͷมԽʹԠͯ͡ΞοϓσʔτͰ͖ͨ   ➡︎ 3BJMTͷڧΈͱطଘͷࢿ࢈ΛNJDSPTFSWJDFTͷதͰ׆͔ͯ͠ɺ   ɹγεςϜશମͱͯ͠ਐԽΛ͍͚ͯ͠ΔΑ͏ͳϦΞʔΩςΫςΟϯάʹͳͬͨ ΍ͬͨ͜ͱ

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