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AppSync를 활용한 리얼타임 서버리스 아키텍쳐
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Taewoo Kim
February 13, 2020
Programming
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4.5k
AppSync를 활용한 리얼타임 서버리스 아키텍쳐
제21차 AWSKRUG 서버리스 소모임에서 발표한 내용입니다.
Taewoo Kim
February 13, 2020
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Transcript
ӣక AppSync ܳ ഝਊೠ ܻఋ ࢲߡܻझ ইఃఫ
ߊ ࣗѐ • Solutions Architect, Classmethod (ੌࠄ) • Front-end, Back-end,
Android, iOS, Machine Learning, Computer Vision, etc • ୭Ӕ 1֙р AWS ࠙ঠীࢲ ޙࢿਸ ऺӝਤ೧ Ҋҵ࠙ై • Serverless on AWS, ؊ աইоࢲ Builder on AWS ܳ ೱೞݴ ழܻযܳ ऺח • য়ט ੑפ!!!! AWSKRUG ٜ࠙җ ݆݆ ҮܨೞҊ रणפ!!!!ƃƃ https://dev.classmethod.jp/author/kim-taewoo/ ೠҴয & ੌࠄয ӝࣿ࠶۽Ӓ
ࢲߡܻझ ইఃఫ ౠী ೧ рױ غযࠇद
ࢲߡܻझ ইఃఫ ౠ • ҙܻೡ ࢲߡо হ (NoOps) • ਃೡ
ٸ݃ ਃೠ ࠗ࠙݅ ਃೠ ݅ఀ ࢎਊೡ ࣻ • ஹೊ ܻࣗझח Lambda ( Fargate) • Lambda ҃ ਵ۽ connection ਸ ਬೡ ࣻ হ
Ӓۢ ࢲߡܻझ ইఃఫ۽ח ܻఋ ӝמ ޅ ݅٘աਃ?
ٜ݅ ࣻ ભ!
How? API Gateway ীࢲ ਢࣗ ਗ API Gateway websocket
How? PubSub ழ֏࣌ ӝ߈ ࣛܖ࣌ ইפ݅ PubSub ࣛܖ࣌ب (ੌױ) оמ
It’s possible, but … • ۿূ٘৬ ߔূ٘ р ాनਸ ਤೠ
Data structure ܳ ೧ঠೞҊ • োೞ݅ ؘఠܳ Ҋ ߉ਸ ٸ Validation ب ਃೞҊ • োೞ݅ ߔূ٘৬ ۿূ٘ নஏীࢲ ѐߊ ܖযઉঠೞҊ • ౠ ߔূ٘ ஏ ֢۱ (࢚) ݆ ٜযцפ High Availability .. Reliability .. Scalability ..
AppSync ܳ ࢎਊೞݶ ݽٚѪ рױ೧פ!!
AWS AppSync • Strong typing ਵ۽ ੋ೧ Validation ٘ (Ѣ)
ࢤۚ оמ (GraphQL ౠ) • ܻఋ ాनਸ ਤ೧ࢲ ߔূ٘ীࢲ ೧ঠೡ Ѫ Subscription ਸ झః݃ী ࢶ೧ فח Ѫ ߆ী হ • ۿূ٘ ஏীࢲח AppSync SDK ա Amplify ܳ ࢎਊೞݶ рױ Subscription оמ
ܻఋ ؘఠ ాनਸ ਤೠ AppSync ইఃఫ
AppSync ܻఋ ইఃఫ Micro services Subscription Data Streaming Mutation Trigger
݃۽ ࢲ࠺झ Stream ਵ۽ࠗఠ Lambda ܻѢ Subscription Micro services Subscription
Data Streaming Mutation Trigger AppSync ܻఋ ইఃఫ ࠗ࠙ য়ט ߊ ೨ब
ࢲߡܻझ झܻ߁ ইఃఫ
DynamoDB Streams → Lambda
DynamoDB Streams → Lambda • ഋੋ ࢲߡܻझ ؘఠ झܻ߁ ಁఢ
ೞա • Eventual Consistency Event-driven processing ١ਸ ܻೞӝী • ScalableɾReliableɾCost Effective • ߽۳بо ݒ ֫ সী ೧ࢲח पदрࢿਸ ࠁೞ ঋਵ۽ Kinesis DS о જ
RDS → DMS → Kinesis → Lambda
RDS → DMS → Kinesis → Lambda • RDS ܳ
ࢎਊೠ ҃ীب झܻ߁ ܻо оמೣ • Kinesis Data Streams ח ࢥ٘ܳ ஶ܀ ೡ ࣻ যঠ ೣ • Kinesis Data Streams ীࢲ Ҷ Lambda ۽ ো҅ೡ ਃח হ • Ӓ۞ա ࠄ ߊ ݾ (AppSync ো҅) ਸ ਤೠ ਊب۽ח Lambda ۽ ࠙ • DB (MySQL, PostgreSQL ١) ਵ۽ ࠗఠ Lambda ܳ प೯दఃח ߑߨب ઓ
ӝఋ ߮ ࣗझ
• SQS ীࢲ Lambda ۽ ো҅غח ಁఢ • Kinesis ীࢲ
Lambda ۽ ো҅غח ಁఢ • API Gateway ীࢲ Lambda ۽ ো҅غח ಁఢ • CloudWatch Alarms ীࢲ Lambda ۽ ো҅غח ಁఢ • CloudWatch Events ীࢲ Lambda ۽ ো҅غח ಁఢ • Ӓ ৻ীب ޖࣻ ݆ ӝఋ ߮ ࣗझ
Lambda ۽ ؘఠܳ ߉ই৳ਵݶ рױೞભ!
Lambda → AppSync
ؘݽ ۽ં ইఃఫ
ؘݽ ইఃఫ Microservice DynamoDB Subscription द۽ ࢎਊೡ AppSyncਊ DB Mutation
DynamoDB Streams
Microservice • API Gateway → Lambda → DynamoDB ҳࢿ •
о ݆ ॳח ࢲߡܻझ ইఃఫ API ߔূ٘ ಁఢ • рױೠ ੑ۱ ಬਸ ܻೞח ࢲ࠺झܳ ۽ ٜয ؘݽ٘ ࢿ
AWS AppSync • AppSync ҳ୷दীח Serverless Framework ܳ ୶ୌ •
Subscription ܳ झః݃ী ୶оೞח Ѫ݅ਵ۽ ۄ ஏীࢲ Subscription оמ ( ߔূ٘ সߊࢤ X ) • ਃೠ ӝמ Mutation җ Subscription ࡺ݅, Query ܳ झః݃ী ١۾ೞ ঋਵݶ GraphQL झః݃ ী۞о غ۽ рױೠ ௪ܻ ೞաܳ ୶о೧ঠೣ (getOrder ࢿ) • Mutation ೞӝ ਤ೧ࢲ DynamoDB ܳ ؘఠ ࣗझ۽ࢲ ࢤࢿೞҊ, TTL (Time-To-Live) ܳ ࢸೠ. (expiresAt ܳ AWSTimestamp ఋੑਵ۽ ࢶೠ)
DynamoDB Streams → Lambda • DynamoDB Streams ח ୭ 24
दр ؘఠ ࠁઓ, ؘఠ ߸҃ ࣽߣ ࠁૐоמೠ ࢲ࠺झ • Ӓ۞ա ܻఋ ࢲ࠺झীࢲח ୭ 24दр ؘఠ ࠁઓ ߹ о হӟ פ. • ߽۳بܳ ֫۰ݶ ߓ ࢎૉܳ ઑೞݶ ؽ
Lambda → AppSync • पࢲ࠺झਊਵ۽ ܾܻૉػ AppSync Client SDK ח
javascript ߡ ࡺ (Amplify ܳ ӂ) • AppSync Client SDK ܳ Lambda ࢚ীࢲ زदఃӝ ਤ೧ࢲח ݻо • ismorphic-fetch ܳ ನ ೧ঠೣ • disableOffline ܳ true ۽ ߸҃೧ঠೣ
DEMO TIMEʂ
None
٘ܳ ೠߣ ಝࠅөਃ https://github.com/twkiiim/serverless-tutorials/tree/master/realtime-stream-with-appsync
AppSync Subscription ী ೞৈ
AppSync WebSockets MQTT over WebSockets WebSockets (NEW) Payload Size 128Kb
240Kb CloudWatch Metrics X O Selection Set Filtering X O Enhanced Connection Rates X O Enhanced Broadcast Rates X O https://aws.amazon.com/jp/blogs/mobile/appsync-realtime/
re:Invent 2019 Builders Fair ীࢲ ࣗѐػ Smart Chair
42
AppSync ী ೧ ؊ ঌҊ रݶ?
AppSync ҙ۲ ࠶۽Ӓ • AWS ੑޙ ࠶۽Ӓ – AppSync ಞ
(ೠҴয) https://dev.classmethod.jp/cloud/aws/aws-appsync-re-introduction-2019-korean-ver/
AppSync ҙ۲ ࠶۽Ӓ • [AppSync ѐ֛ܻ] AWS AppSync ߂ Resolver
Mapping Template ী ೧ ѐ֛ਸ ܻ೧ࠇद! https://dev.classmethod.jp/cloud/appsync-resolver-vtl-tutorial-ko/
AppSync ҙ۲ ࠶۽Ӓ • [AWS AppSync] ΤοδσόΠεͷσʔλΛ AWS IoTܦ༝Ͱऔಘͯ͠GraphQLΛߋ৽ͯ͠Έ·ͨ͠ɻ https://dev.classmethod.jp/cloud/aws-appsync-with-awsiot/
AppSync ҙ۲ ࠶۽Ӓ • [AWS AppSync] ΤοδσόΠεͷσʔλΛ AWS IoTܦ༝Ͱऔಘͯ͠GraphQLΛߋ৽ͯ͠Έ·ͨ͠ɻ https://dev.classmethod.jp/cloud/aws-appsync-with-awsiot/
AppSync ۽ ۠Ѫب غ ঋਸө?
State Management by AppSync • ࢲߡܻझ ইఃఫ ಁఢীࢲח Rich Client
ܳ ೱ • Ӓ۞ա ۿূ٘ ٘ ࠂبо աѱ ૐоೞחѪ જ ঋ • ۿূ٘ ٘ ࠂب ࢚ࠗ࠙ী ӝৈೞח State Management • State Management ܳ بੑೞӝ ਤೠ ٘ ࠂبܳ AppSync Subscription ী ઓ ೧ࢲ ೧Ѿೡ ࣻب ঋਸө? • ֎ਕ ࣘب/উࢿ ١ী ઓࢿ ࢤӣ. • Ӓ۞ա 5G दীח ޙઁח হ ঋਸө?
State Management by AppSync • ࢲߡܻझ ইఃఫ ಁఢীࢲח Rich Client
ܳ ೱ • Ӓ۞ա ۿূ٘ ٘ ࠂبо աѱ ૐоೞחѪ જ ঋ • ۿূ٘ ٘ ࠂب ࢚ࠗ࠙ী ӝৈೞח State Management • State Management ܳ بੑೞӝ ਤೠ ٘ ࠂبܳ AppSync Subscription ী ઓ ೧ࢲ ೧Ѿೡ ࣻب ঋਸө? • ֎ਕ ࣘب/উࢿ ١ী ઓࢿ ࢤӣ. • Ӓ۞ա 5G दীח ޙઁח হ ঋਸө? Let’s discuss together!
хࢎפ