サーバレスアーキテクチャはじめの一歩

https://jawsugosaka.doorkeeper.jp/events/59431

Transcript

1. ςЄϝϹφίЄκϓμώϰ ΅ͮΗ΄Ӟ䴿 JAWS-UGՂ᮷ ̿SERVERLESSᐦ ӗςЄϝϹφͽίϤϷΨ֢͹ͼΕΞ͜ӗ̀ 2017/04/22 Ӿઊ ଛလ 1
2. ᛔ૩奧Օ • Ӿઊ ଛလ • μ϶φϮϊϐϖ AWSԪ䮣᮱ ϊϷϲЄτϴ ЀίЄκϓμϕ • AWSΨڥአͭ͵αЀϢ϶΄戔懯/䯤塈/π ЀςϸϓΰЀν • GitHub: knakayama • 奺䵉 • ηЀϤϹςЄϝ΄晁አ3ଙ • AWS 1ଙ 2
3. ίυδЀύ 1. Serverless͢扖氂΁΀Ρᙧว 2. Serverless;΅֜͡ 3. Serverless΄ڥᅩ 4. ServerlessΨඪ͞ΡϑЄϸ 5. ᐒտ΅ኚͥ΀͚ 6. Δ;Η 7. ݇ᘍϷЀμ 3
4. ဳ఺ᅩ • ๜φ϶αϖ΅匍䦒ᅩ΄ఘ䁭Ψڹ൉΁ͭͼ͚Δͯ • Serverlessኴᵈ΄ίϐϤϔЄϕ΅෱͚΄ͽڥአͯΡ檭΅๋ෛ΄ ఘ䁭Ψ݇ᆙͯΡͩ; • AWSզक़΄扖(GCP;͡Azure;͡OpenWhisk;͡)΅Ꭳ憎͢΀͚ ΄ͽۆ䙄 4
5. 1. Serverless͢扖氂΁΀Ρᙧว 5
6. τЀϤϸ΀Web DBίЄκϓμώϰ Ψᘍ͞ͼΕΡ 6
8. τЀϤϸ΀䯤౮ • ELBͽϝϐμεЀϖ΄EC2΁ϕ϶Ϣΰϐ μၞͯ • EC2ͽRDSίμψφ • RDS΁ϔЄόכਂ 8
9. EC2Ψڥአͭ͵䁰ݳ΄抓氂 • ෭̸΄晁አ • 哶憙 • ϊϢϕγδί΄ίϐϤϔЄϕ • ᚈ୧௔䌏䖕 9
10. OSզӤ΄Ϲαϱ΅ڥአᘏ㯎ͽᓕቘ ͯΡ஠ᥝ͘͢Ρ 10
11. ͽͣΡ΀ΟΚΠ͵ͥ΀͚ 11
12. ΀Ͳ晁አ͢஠ᥝ΁΀Ρ΄͡ • ϳЄσ΁㭅㮔Ψ੺ͧΡ͵Η΁ςЄϠφΨ֢Ρ • ςЄϠφΨ֢Ρ͵Η΁πЄϖΨ䨗ͥ • πЄϖΨ㵕ͯ͡͵Η΁ςЄϝ͢஠ᥝ΁΀Ρ • ςЄϝ͢ྋଉ΁㵕֢ͭ姆ͧΡ͵Η΁晁አ͢஠ᥝ΁΀Ρ 12
13. Θ͹;ςЄϠφ(πЄϖ)΁ ᵞӾͭ͵͚ 13
14. ͩͩΔͽ΄Δ;Η • 晁አ΅ͽͣΡ΀ΟΚΠ͵ͥ΀͚ • ๜๶΄ፓጱ΅ςЄϠφΨ֢͹ͼϳЄσ΁㭅㮔Ψ൉׀ͯΡͩ; • ͳ΄͵Η΁ςЄϠφ(πЄϖ)΄Ε΁ᵞӾͭ͵͚ • Serverless͢ጭ䁰ͯΡᙧว΁΅͚ͩ͜͹͵Ԫఘ͘͢Ρ 14
15. 2. Serverless;΅֜͡ 15
16. Serverless;΅֜͡ • Ӟᛱጱ΁΅Function as a Service(FaaS)ΨӾஞ;ͭ͵ίЄκϓμώϰ • AWSͽ΅Lambda • ͵Ͷ̵ͭLambdaͯΟֵΥ΀͚ίЄκϓμώϰΨͩ͜޷Ό䁰ݳΘ͘Ρ (Lambdaless) • ͩ΄旽΅ۆ;䨀ซ • αϦЀϕϖϷϣЀ;͚͜ᇙ䖀͘͢Ρ • ֜Ο͡΄αϦЀϕΨॶ䱛;ͭͼϡόρ϶φαϐώጱ΁ݱ圵㳌ቘ͢䋚ᤈͫ΢Ρ 16
17. Lambda • πЄϖΨ䋚ᤈͽͣΡπЀϡϲЄϓΰЀνςЄϠφ • ςЄϝΚϤϺψφΨ樄咲ᘏ㯎ͽᓕቘͯΡ஠ᥝ͢΀͚ • Ϸμεφϕ/䋚ᤈ䦒樌΁䖕ͮ͵䕪ᰁ抓ᰂګ • ਞ͚ • 僻ාڥአ䩵Θ꧌䋚 • EC2΄䁰ݳ๋֗1䦒樌㶨֖ͽ抓ᰂ • 匍䦒ᅩͽلୗςϪЄϕͭͼ͚Ρ᥺承΅Node.js/Python/Java/C# • ͵Ͷͭ㳨΄᥺承Θ䋚ᤈݢᚆ 17
18. αϦЀϕϖϷϣЀҘ 18
19. S3 Event Notification • S3΁咲ኞͭ͵αϦЀϕ(Put/Delete΀Ϳ) Ψॶ䱛΁ݱ圵㳌ቘΨ䋚ᤈͽͣΡ՛奲Ε 1. ᓕቘᘏ͢ίϐϤϺЄϖአϝξϐϕ΁ኮ ؟ΨPut 2. S3 Event NotificationͽLambda᩸㵕 3. Lambdaͽኮ؟Ψےૡ̵ͭᤒᐏአϝξϐ ϕ΁Put 4. ϳЄσ΅CloudFront奺ኧͽኮ؟Ψᤒᐏ 19
20. SNS Notification • SNSϕϡϐμ奺ኧͽLambda᩸㵕ݢᚆ 1. ͚ͭͣ㮔Ψ᩻晃ͭ͵΄ͽCloudWatch Alarm咲ᅉ 2. CloudWatch Alarm΄ίμτϴЀͽSNS ϕϡϐμ΁᭗Ꭳ 3. ϕϡϐμΨςϣφμ϶αϣͭͼ͚Ρ LambdaΨ䋚ᤈ 4. Lambda͡ΟSlack΁᭗Ꭳ 20
21. Kinesis Firehose • Kinesis Firehose΄φϕϷЄϭॶ䱛ͽ Lambda᩸㵕ݢᚆ 1. ϤϺϔϲЄς͡ΟKinesis Firehose΁φ ϕϷЄϭϔЄόಭف 2. φϕϷЄϭϔЄό͢ಭفͫ΢Ρ; Lambda᩸͢㵕ͫ΢ͼETL㳌ቘ䋚ෞ 3. ๋奰ጱ΁ےૡͫ΢͵ϔЄόΨS3΁Put 21
22. 3. Serverless΄ڥᅩ 22
23. ضᑕ΄㾩ΨServerless΀ఽͮ΁ ᗝͣ䟵͞ͼΕΡ 23
25. Serverless΀ίЄκϓμώϰ • CloudFrontͽϞφϦЄφϸЄϓΰЀν • Ϟφ΁䖕ͮͼS3͡API Gateway΁ϕ϶ Ϣΰϐμၞͯ • S3΄WebϨφϓΰЀνͽUIᤒᐏ • API Gateway΄IntegrationͽLambda᩸㵕 • Lambda͡ΟDynamoDB΁put_item/ get_item • ϔЄόφϕί;ͭͼDynamoDB • Lambda on VPC + RDSͽΘOK 25
26. Serverless΄ڥᅩ • ϫϚЄυϖςЄϠφΨӾஞ;ͭ͵ίЄκϓμώϰ΀΄ͽ晁አᶎΨAWS΁͠Δ͡ͱͽ ͣΡ • ςЄϠφ(πЄϖ)΄樄咲΁ϷϊЄφΨᵞӾͽͣΡ • ᛔᆐ;听奾ݳ(ϫαμϺςЄϠφ)΀ίЄκϓμώϰ΁΀Ρ • 1ͺ΄Lambdaͽقͼ΄㳌ቘΨ䋚ෞͯΡ΄΅匍䋚ጱͮΙ΀͚΄ͽ̵ᛔᆐ;晒ڔ΀ᔉ ଶͽړ櫝ͭͼ͚ͥ • Ӟᛱጱ΁EC2ΨӾஞ;ͭ͵ίЄκϓμώϰΞΠΘπφϕΨಪ͞Ο΢Ρ • Lambda͢ϷμεφϕϦЄφ΄抓ᰂ֛ᔮ΀΄͢य़͚ͣ 26
27. 4. ServerlessΨඪ͞ΡϑЄϸ 27
28. ServerlessίЄκϓμώϰ΄抓氂 • LambdaΨ㵕֢ͫͱΡ΄΅఺क़;ᶎׯ͚ͥͫ • ϫϚυϮЀϕπЀϊЄϸͽፗളπЄϖ䨗ͥ • ϺЄθϸͽπЄϖ䨗ͥ → Zip΁ࢴΗΡ → ίϐϤϺЄϖͯΡ • LambdaӞ㮆Ͷͧͽਠ奾ͯΡΞ͜΀䯤౮΅ΑΒ΀͚ • 愢හ΄AWSϷϊЄφΨڥአͯΡ΄͢୮͵Πڹ • ϓφϕΨͭ͵͚ • ϳϘϐϕϓφϕ • ϺЄθϸ厏हͽ΄ϓφϕ • ͩ΄旽ΨӤಋͥΚ͹ͼͥ΢Ρ՛奲Ε͢Α͚ͭ 28
29. ϢϹЄϭϼЄμ 29
30. ϢϹЄϭϼЄμ • ϔϤϺαϮЀϕϞϐξЄυ֢౮ϤϺψφ΄墋ᔰ۸ • ServerlessίЄκϓμώϰق֛΄πЄϖ۸ • CloudFormation • Terraform • πЄϖ۸΁ΞΡڥᅩ • ٚ匍௔ • Git/GitHub/PR洑㵕樄咲 • CI/CDΨڥአͭ͵ϔϤϺαϞαϤ϶αЀ۸ 30
31. դᤒጱ΀ϢϹЄϭϼЄμ Serverless Framework AWS Serverless Application Model(AWS SAM) Apex 䋚ᤰ Node.js ᎣΟΩ(Java?) Go ϫϸώμ϶γϖ Yes No No OSS Yes No Yes AWSϷϊЄφ΄֢౮ොဩ CloudFormation(Ӟ᮱ᶋ䌏䖕) CloudFormation Terraform CLI΄ํ僻 Yes(sls) No(AWS CLI?) Yes(apex) ͳ΄՜ Ϥ϶ναЀ΁ΞΡ䝭䔴 ϺЄθϸ䋚ᤈ΄ςϪЄϕ ग़䱛ᚆ ڥአᘏग़͚Ҙ AWS挘愚 Swagger & ChangeSetςϪЄϕ 㷗ੂ΁᥺͜;ϢϹЄϭϼЄμ ͽ΅΀ͥϯϔϸ HookςϪЄϕ Go᥺承΄ςϪЄϕܹ͚Ҙ Dry-runςϪЄϕ τЀϤϸ 31
32. ϓφϕϑЄϸ 32
33. ϳϘϐϕϓφϕ • Lambda΅क़᮱͡ΟჁͫ΢͵ϔЄόΨ㳌ቘͯΡ樛හ;഍͞Ρͩ;ΘͽͣΡ • AWS΄䁰ݳLambda΁Ⴡͫ΢ΡϔЄό΅㶨΀ΡJSON • ෬ਂϓφϕϯυϲЄϸΨֵ͹͵ϳϘϐϕϓφϕ͢ݢᚆ • ᇙਧ΄JSONΨჁͯ → 奾ຎ͢๗இͭ͵Θ΄͡嘦扯 • Node.js΄chai;͡ΞֵͥΥ΢ͼΡ͹Γ͚ • http://qiita.com/horike37/items/15bf675f973d30bb1f5c • PythonͶ͹͵Οpytest • https://librabuch.jp/blog/2016/07/aws-lambda-environment/ 33
34. ϺЄθϸ厏हͽ΄ϓφϕ • ϓφϕΨͯΡ΄΁AWS厏हΨ͚ͷ͚ͷአ఺ͯΡ΄΅ᶎׯ • ϺЄθϸͽAWS;ݶᒵ΄䱛ᚆΨͯΡΘ΄Κ̵ϯϐμᔮ΄ϑЄϸΨڥአͯΡ ϑЄϸ ༷ᥝ Serverless Framework lambda-local Lambda΄فڊێΨϺЄθϸͽٚ匍ݢᚆ DynamoDB Local DynamoDB;ݶᒵ΄䱛ᚆΨϺЄθϸͽٚ匍ݢᚆ AWS挘愚 mhart/kinesalite Kinesis΄فڊێΨϺЄθϸͽٚ匍ݢᚆ spulec/moto AWSςЄϠφ΄فڊێΨϺЄθϸͽٚ匍ݢᚆ atlassian/localstack 愢හ΄ϺЄθϸ䋚ᤈᔮςЄϠφΨΔ;Η͵ϢϸφόϐμϑЄϸ 34
35. 5. ᐒտ΅ኚͥ΀͚ 35
36. ᐒտ΅ኚͥ΀͚ • Lambda΁΅ͳ΢΀Π΁ګ夹͘͢Ρ • ๋य़䋚ᤈ䦒樌5ړ • ๋य़φϕϹЄυ512MB(/tmp) • ෬ਂ΄ದ悬;ϫϐώͭ΀͚䁰ݳΘ͘Ρ • Ruby on Rails;͡ • قͼ΄EC2Ψᗝͣ䟵͞ΡΘ΄ͽ΅΀͚ • 䁰ݳ΁Ξ͹ͼπЀϓϗ(ECS)ςЄϠφΘ䭥懵ͯΡ • 晒๭晒ಅͽڥአͯΡͩ; 36
37. Serverless͢ϜϫΠΚ͚ͯϳЄφξЄφ • ϷίϸόαϭϢήαϸ㳌ቘ • S3΄Event NotificationͽLambda᩸㵕 → ኮ؟㳌ቘ • ϷίϸόαϭφϕϷЄϭ㳌ቘ • Kinesis → LambdaͽETL → S3ΚDynamoDB • APIϝϐμεЀϖ • API Gateway;΄Integration → Lambda → ϔЄόφϕί • SNSϕϡϐμ;΄昧൭ • AWSςЄϠφ樌΄Ϝϣ;΀ΡSNSϕϡϐμ → Lambda᩸㵕 → ձ఺΄㳌ቘ https://www.slideshare.net/keisuke69/aws-lambda-amazon-api-gateway-deep-dive 37
38. 6. Δ;Η 38
39. Δ;Η • AWSΨڥአͯΡ΀ΟServerlessίЄκϓμώϰΨֵ͹ͼΕΞ͜ • 僻ቘ΁ίЄκϓμώϰق֛ΨServerless۸ͭͯͤ΀͚ • ᥝկጱ΁櫞ͭͳ͜ͽ͘΢Άᔰፗ΁EC2/ECSΨ䭥懵ͯΡ • ΔͰ΅φϯЄϸφόЄϕ͡ΟতΗΡ 39
40. ͠ΥΠ 40
41. 7. ݇ᘍϷЀμ 41
42. Serverless;΅֜͡ • https://rebuild.fm/160/ • https://martinfowler.com/articles/serverless.html • http://dev.classmethod.jp/cloud/aws/serverless- meetup-20160802/ 42
43. Serverless΀ίЄκϓμώϰ • https://speakerdeck.com/ikait/serverless-architecture-supports- nikkeis-paper-viewer 43
44. ServerlessΨඪ͞ΡϑЄϸ • https://github.com/serverless/serverless • https://github.com/awslabs/serverless-application-model • https://github.com/apex/apex • https://speakerdeck.com/horike37/serverless-framework- workshop • https://medium.com/vandium-software/unit-testing-aws- lambda-functions-in-node-js-7ad6c8f5000 44
45. ᐒտ΅ኚͥ΀͚ • http://docs.aws.amazon.com/lambda/latest/dg/limits.html • https://www.slideshare.net/keisuke69/aws-lambda-amazon-api- gateway-deep-dive 45