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Microservices Architectureに取り組んでみえたこと
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yoshiyoshifujii
June 24, 2017
Design
3
4.2k
Microservices Architectureに取り組んでみえたこと
KANJAVA PARTY 2017
https://kanjava.connpass.com/event/56152/
yoshiyoshifujii
June 24, 2017
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Transcript
.JDSPTFSWJDFT"SDIJUFDUVSFʹ औΓΜͰΈ͑ͨ͜ͱ 4BU !ZPTIJZPTIJGVKJJ
ؔδϟόͷΈͳ͞Μ͜Μʹͪ w:PTIJUBLB'VKJJ !ZPTIJZPTIJGVKJJ w4PGUXBSF&OHJOFFS w4DBMB+BWB1ZUIPO 5ZQFTDSJQU w4DBMBؔ4VNNJU4UB⒎
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ି͠ग़͠Ͱ͖Δ෦ w ηϛφʔϗʔϧ ໊ w ձٞࣨ ໊͔Β໊ w
ΧϑΣεϖʔε ໊ w ϏΞόογϡͳͲͷ࠙ձ։࠵ՄೳͰ͢ʂ
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ຊ
wࠓ͓͢Δ͜ͱ wࢲ͕࠷ۙɺ.JDSPTFSWJDFTʹऔΓΜͰ͔ͬͨ͜ͱ w.JDSPTFSWJDFT"SDIJUFDUVSF w%%% w"HJMF4DSVN%FW0QT w41"3&45GVM4FSWFSMFTT"SDIJUFDUVSF w͠ͳ͍͜ͱ wͦΕͧΕͷਂ͍આ໌
.JDSPTFSWJDFTΛ ͓͞Β͍͓͖ͯ͠·͠ΐ͏
.JDSPTFSWJDFTͭͷಛ αʔϏεΛ௨ͨ͡ίϯϙʔωϯ τԽ ϏδωεߦೳྗʹؔΘΓ ৫͕ཧ͞ΕΔ͜ͱ ϓϩδΣΫτͰͳ͘ϓϩμΫ τ
ݡ͍ TNBSU ΤϯυϙΠϯτͱ ࢄ౷࣏ ࢄσʔλཧ ΠϯϑϥࣗಈԽ োͷͨΊͷઃܭ ਐԽతͳઃܭ ླ༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔ/P ܦ#1,JOEMF൛
ෳαʔϏεͰߏ w ͭͷΞϓϦέʔγϣϯΛΑΓখ͞ ͳ୯ҐͷʮαʔϏεʯͷΈ߹Θ ͤͰߏ͢Δख๏ w ͦΕͧΕͷαʔϏεݸผͷϓϩ ηεͰಈ࡞ w "1*Λ௨ͯ͡)551ͳͲͷඪ४తͳ
ϓϩτίϧͰ࿈ܞ ླ༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ܦ#1,JOEMF൛
αʔϏε͝ͱͷϥΠϑαΠΫϧ wϞϊϦγοΫ Ұຕؠ ͩͱӨڹ ௐࠪʹ͕͔͔࣌ؒΔ wӨڹൣғαʔϏε෦ʹด͡ Δ w࣮ࡍɺͦΜͳ୯७Ͱͳ͍ wαʔϏεͷׂ͕ॏཁͰɺ͍͔ ʹӨڹൣғΛαʔϏε෦ʹཹ
ΊΔ͔ ླ༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ܦ#1,JOEMF൛
ૄ݁߹ͳαʔϏε࿈ܞ wૄ݁߹ͷදʮΩϡʔʯΛ ༻͍ͨ࿈ܞ wαʔϏεಉ͕࢜࿈ܞͤͣ ʹࡁΉ wαʔϏεͷμϯλΠϜΛ ؾʹ͠ͳͯ͘ྑ͍ w࿈ܞઌαʔϏεͷੑೳྼԽ ླ༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢܦ#1/FYU*$5બॻʣ
,JOEMFͷҐஔਤ ܦ#1,JOEMF൛
σʔλϕʔεαʔϏε͝ͱʹ wैདྷγεςϜɺͭͷΞ ϓϦʹͭͷσʔλϕʔε wσʔλϕʔεڞ༗ੑೳ ͕ʹ wࢄσʔλϕʔε߹ ੑ͕ʹ ླ༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ
ܦ#1,JOEMF൛
αʔϏεߏཧ wαʔόʔߏஙखଓ͖Λ ίʔυԽ w%PDLFS wΫϥυಛ༗ͷ͠͞ ླ༤հ$MPVE'JSTU"SDIJUFDUVSFઃܭΨΠυʢܦ#1/FYU*$5બॻʣ ,JOEMFͷҐஔਤ ܦ#1,JOEMF൛
ࠓͷ͋͐͡Μͩ wαʔϏεͷίϯϙʔωϯτԽ w৫ӡӦ wٕज़తͳબ
ࠓͷ͋͐͡Μͩ wαʔϏεͷίϯϙʔωϯτԽ w৫ӡӦ wٕज़తͳબ
υϝΠϯۦಈઃܭ wୈ෦ઓུతઃܭ ୈষϞσϧͷ߹ੑ Λҡ࣋͢Δ wڥք͚ͮΒΕͨίϯςΩ ετΛѲ͢Δ wγεςϜ͕ѻ͏υϝΠϯ Λཧղ͠దʹڥքΛઃ ܭ͢Δ &SJD&WBOTυϝΠϯۦಈઃܭʢᠳӭࣾʣ
1ਤ ᠳӭࣾ
υϝΠϯۦಈઃܭ w࠷ॳ͔ͬΒᘳΛࢦ͞ͳ͍ wίΞυϝΠϯʹண͢Δ w͋ͳͨͷγεςϜͷίΞͲ͜Ͱ͔͢ʁ
ϢϏΩλεݴޠ w%PNBJO&YQBSUͱͷର wϞϊɾίτΛൈ͖ग़͢ wϢϏΩλεݴޠͱͯ͠ه͢Δ
ܧଓతͳ౷߹ wҰͰऴΘΒͳ͍ wίʔυͷ'#Λ׆͔͢ wސ٬ͷ'#Λ׆͔͢
ίϯςΩετϚοϓΛඳ͘ wγεςϜʹ͍ͭͯίϛϡχέʔγϣϯ͢Δͱ͖ʹ ඞͣͦʹஔ͍ͯ֬ೝ͢Δ wίϯςΩετؒͷґଘੑଟॏΛ໌֬ʹ͢Δ
ґଘͷύλʔϯ wڞ༗Χʔωϧ wސ٬ڞ༗ऀͷ։ൃνʔϜ w͍ΘΏΔQVCTVC w͍ͬΆ͏͕ఆ͍ٛͯͬ͠Ά͏͕ड͚ͱΔ wૄ݁߹Ͱྑ͍
ґଘͷύλʔϯ wҰํతͰͳ͘ཁΛग़͍͍ͯ͠ wίϯςΩετؒͰѻ͏ݴޠ͕ҟͳͬͨͱͯ͠ɺ ίϛϡχέʔγϣϯͷϑΥʔϚοτΛผ్ఆٛ͢Δ w$+BWB w1ZUIPO4DBMB wϑΥʔϚοτΛ4XBHHFSͰݻఆ
ґଘͷύλʔϯ wॱԠऀ wެ։ϗεταʔϏε wผʑͷಓ wίϯςΩετͷதͰผͷϢϏΩλεݴޠΛఆٛͯ͠ྑ͍ wϞσϧߏಉ͡Ͱͳͯ͘ྑ͍ w͏ͪͷίϯςΩετͰ͜͏ݺΜͰΔ͚ͲͶɻ ͦͬͪͰԿͯݺΜͰΔͷ͔ΒΜ͚Ͳ
ґଘͷύλʔϯ wഊࢭ wϨΨγʔͳϞσϧΛͲ͏ͯ͠͏ͱ͖ wΠέͯͳ໊͍শΛϢϏΩλεݴޠʹม͢Δ wچདྷόʔδϣϯΛ࣋ͬͯΔίϯςΩετͰ༗ޮ
ࠓͷ͋͐͡Μͩ wαʔϏεͷίϯϙʔωϯτԽ w৫ӡӦ wٕज़తͳબ
"HJMF wϓϩδΣΫτͰߟ͑ͣϓϩμΫτͰߟ͑Δ wઓུΛऔΔ wਐԽΛલఏͱͨ͠࠷దԽ wʮ͍·͜ΕͰྑ͍ʯͬͱ͍ͬͨஅ
εΫϥϜ wΧϯόϯͱͷ͔͚͋Θͤ wνʔϜຖͷਐḿΛݟ͑Δ Խ w/FYVTΨΠυ wେنεΫϥϜ։ൃͷ֎ ࠎ֨
νʔϜͷͭ͘Γ͔ͨ wίϯςΩετϚοϓʹै͏ wίϯςΩετͷཻόϥόϥ wνʔϜϏϧσΟϯάʹɺ.BOBHFNFOUͷ πʔϧ͕͑Δ
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νʔϜʹΑͬͯ߹͍ʹ͕ࠩͰΔ wνʔϜΛൺֱͯ͠จ۟ΛݴΘͳ͍ wѻ͏ίϯςΩετ͕ҧ͏ͷͰҟͳͬͯવ wνʔϜੜ w৺ཧత҆શੑɺͪΐͬͱͨ͜͠ͱͰࣦͳΘΕΔ
%FW0QT wνʔϜͷ͕伴 w͍͖ͳΓͰ͖ͳ͍ w$%$*ڥΛ͑Δ w+FOLJOT wDPODPVSTFDJ
%FW0QT wϒϥϯνӡ༻νʔϜʹͤΔ wNBTUFSʹQVTI㱺νʔϜςετڥͷߏங wUBHΛΔ㱺νʔϜؒ݁߹ςετڥͷߏங wνʔϜؒ݁߹ςετڥͰͷςετ%POF㱺 1SPEVDUJPOڥߏங
%FW0QT w7BMVF4USFBN.BQQJOH wՁΛಧ͚Δ·Ͱͷఔ wৗʹϑϩʔΛચ࿅͢Δ wεϓϦϯτΛ;Γ͔͑Γચ࿅͠%FW0QTʹۙ͘
$POXBZͷ๏ଇ wγεςϜͷߏɺͦͷγεςϜΛઃܭ͢Δ৫ͷߏʹ ࣅΔ wνʔϜͷϝϯόʔ͕ߟ͑ͯઃܭ͢ΔΜ͔ͩΒͦΓΌͦʔͩ wٯʹڧ੍͠ͳ͍ੈք͕େࣄ w֎͔ΒઃܭΛڧཁ͢Δͱɺ৫͕มΘΔ w͍͍໘ѱ͍໘
ࠓͷ͋͐͡Μͩ wαʔϏεͷίϯϙʔωϯτԽ w৫ӡӦ wٕज़తͳબ
41" w4JOHMF1BHF"QQMJDBUJPO w.JDSPTFSWJDFTͰߏ͞ΕΔγεςϜͷϑϩϯτΤϯυ ʹ࠷ద w41"ͷϞδϡʔϧɺίϯςΩετΛԣஅͯͭ͠ʹͳΔ w༷ʑͳίϯςΩετ͕ࠞͬͨͭ͡ͷϞδϡʔϧ wNFSHFͱDPOqJDUආ͚ΒΕͳ͍
3&45GVM wݪଇ౿ऻ͢Δ͕ɺݫີʹ͠ͳ͍ w4XBHHFSͰ"1*Λެ։ wνʔϜؒͷձɺ4XBHHFSΛ༻͍Δ
4FSWFSMFTT"SDIJUFDUVSF w4DBMB.BUTVSJ w4FSWFSMFTT "SDIJUFDUVSFΛ 4DBMBͰͬͯΈͨ Λ͠·ͨ͠
Amazon API Gateway client AWS Lambda Amazon S3 Amazon DynamoDB
Amazon Kinesis AWS Lambda AWS Lambda Amazon Elasticsearch Service Context + Token Principal + Policy Policy is cached Denied 403 Allowed Auth function Consumers function System diagrams
4FSWFSMFTT"SDIJUFDUVSF w͍Ͳ͜ΖΛબͿ wίϯςΩετΛ·Δ͝ͱ4FSWFSMFTTʹ͢Δ͜ͱԽ w3%#ͷ߹ɺDPOOFDUJPO͕ރׇ w71$ىಈʹͳΓɺ&/* &MBTUJD/FUXPSL *OUFSGBDF ͷ࡞ʹඵ
4FSWFSMFTT"SDIJUFDUVSF w%%%ͱͷ૬ੑ͍͍ w4DBMBͱͷ૬ੑ͍͍ wTCUͷNVMUJQSPKFDUΛ׆༻ͯ͠KBSͷαΠζΛඞ ཁ࠷খݶʹ
4FSWFSMFTT"SDIJUFDUVSF wϨΠϠʔͷґଘϞσϧ w4FSWFSMFTT"SDIJUFDUVSF ɺWFOEPSMPDLJOલఏͷΞ ʔΩςΫνϟ w%%%ͱΈ߹Θͤͯ࡞Δ͜ͱ ͕Ͱ͖ΕɺίΞͳϏδωε ϩδοΫ͕ϩοΫΠϯ͞Εͳ ͍
"QQMJDBUJPO *OGSBTUSVDUVSF %PNBJO "1* WFOEPSMPDLJO
4FSWFSMFTT"SDIJUFDUVSF wϕετͳ8FC"QQMJDBUJPOͷߏஙύλʔϯΛମݧ ֶͯ͠Δ wଞͷ8FC"QQMJDBUJPOΛߏஙɾઃܭ͢Δࡍʹɺ ʮ͋Ε ͋ͬͪͩͱͰ͖ͯΔΑ ʯͱϑΟʔυόο ΫͰ͖Δ
%BUB4UPSBHFͷબ wϢʔεέʔεʹԠͯ͡ %BUB4UPSBHFΛબ ͢Δ w$PNNBOEͱ2VFSZͰ ҟͳΔετϨʔδબ Մೳ 4 LFZWBMVF %ZOBNP
%# ٯҾ͖͕ඞཁ Ұཡऔಘ 3%# 3FMBUJPOBMNPEFM͕ ඞཁ &MBTUJD 4FBSDI ߴͳશจݕࡧ͕ඞ ཁ
ඇಉظϝοηʔδϯάύλʔϯ wϢʔεέʔεʹԠͯ͡ϝοη ʔδϯάͷύλʔϯ͕͋Δ w,BGLBΛಋೖ͢ΔͱɺͥΜ Ϳ͜Ε͍͚ͬͯΔ͔ wͱ͍͑ɺίετ͕େʹ ͳΔ͔͠Εͳ͍ wۜͷؙͳ͍ ରൺ
αʔϏε උߟ 424 / ,JOFTJT ੍͋Γ "QBDIF ,BGLB ηϧϑϚω δϝϯτ
$234 ॻ͖ࠐΈ ಡΈࠐΈ σʔλͷ߹ੑͷҡ࣋ σʔλͷݕࡧͱநग़ͷޮԽ ΞτϛοΫͳߋ৽τϥϯβΫγϣϯ ಋग़ ߹ܭͳͲ ͷࢉग़
όʔδϣϯཧ ָ؍తฒߦੑ੍ޚ ָ؍తϩοΫ ෳͷϏϡʔͷఏڙ ॻ͖ࠐΈݖݶͷཧ ߦϨϕϧɺྻϨϕϧͷݖݶཧ $234ͱΠϕϯτιʔγϯάͷ༻๏ɺ·ͨʮ$36%ʹԿ͔Ͱʁʯ IUUQQPTUEDDVTJOHDRSTXJUIFWFOUTPVSDJOH
$234 w$PNNBOEʹɺ%PNBJOϩδοΫΛ w2VFSZɺݖݶऔಘΛߟྀ͠ɺݕࡧੑೳʹ༏Εͨऔಘϩ δοΫΛ w&WFOU4PVSDJOHͱͷ૬ੑ͕ྑ͍ wج൫ͷߏஙɺͦΕͳΓͷίετ͕͔͔Δ w෦తʹ࠾༻͠ɺঃʑʹ֦େ͍ͯ͘͠ͷ͕ྑ͍
IUUQXXXPVBS[ZDPNBGFXNZUITBCPVUDRST
ڞ௨ॲཧͷ෦Խ w.BWFOͰKBSΛڞ༗ w4DBMBͷTCUศར w+BWBͱ͔ͦͷଞͱൺֱͨ͠Θ͚͡Όͳ͍ wNVMUJQSPKFDU wґଘͷํੑΛཧ͍͢͠ wEFQFOET0O wMJCSBSZ%FQFOEFODJFT
ϦΞΫςΟϒએݴ wଈԠੑ 3FTQPOTJWF wোੑ 3FTJMJFOU wྗੑ &MBTUJD
wϝοηʔδۦಈ .FTTBHF%SJWFO
ଈԠੑ wγεςϜՄೳͳݶΓ͢Έ͔ʹԠ͢Δ w͕ૉૣ͘ݕग़͞ΕޮՌతʹରॲͰ͖Δ wਝͰ͔ͭҰ؏ͨ͠Ԡ࣌ؒΛఏڙ͢Δ͜ͱʹओ ؟Λஔ͘
োੑ wγεςϜোʹ໘ͯ͠ଈԠੑΛอͪଓ͚Δ wোੑΛ࣋ͨͳ͍γεςϜো͕ى͖Δͱଈ ԠੑΛࣦ͏ wোੑɺϨϓϦέʔγϣϯɺ෧͡ࠐΊɺִɺ ͦͯ͠ҕৡʹΑ࣮ͬͯݱ
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