AWS Lambda Swift Runtime

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1. AWS Lambda Swi, Run0me @giginet

2. @giginet • Cookpad Inc. ϞόΠϧج൫ • εϚϒϥͷ࣋ͪΩϟϥ • ϤογʔɺΞΠεΫϥΠϚʔɺσΟσΟʔίϯά

3. re:Inventߦ͖ͬͯͨ

4. re:Invent • Amazonओ࠵ͷAWS։ൃऀ޲͚ΧϯϑΝϨϯε • 11/26 ~ 11/30 @ Las Vegas

   • ࢀՃऀ50000ਓ • ڊେϗςϧ5ݸ͙Β͍࢖͏
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7. AWSͷओͳϞόΠϧ޲͚αʔϏε • Pinpoint: FCMΈ͍ͨͳ΍ͭ • Device Farm: Firebase TestLabΈ͍ͨͳ΍ͭ •

   AppSync • DynamoDBͱ͔LambdaͷGraphQLΠϯλʔϑΣΠεఏڙ͢Δ ΍ͭ • Mobile Hub: ͳΜ͔͍Ζ͍ΖͰ͖Δ΍ͭ

8. ࠓ೥ൃද͞ΕͨϞόΠϧαʔϏε

9. ແ

10. AWS Lambda • APIୟ͘ͱϫϯγϣοτͰεΫϦϓτ͕࣮ߦ • αʔόʔϨεΞϓϦέʔγϣϯ͕ߏஙͰ͖Δ • ཁ͸AWS൛Firebase CloudFunc6onΈ͍ͨͳ΍ͭ

11. AWS Lambda Custom Run1me • ࠓ·ͰPython΍JavaScriptͳͲɺҰ෦ͷݴޠͷΈΛαϙʔτ͠ ͍ͯͨ • AWS LambdaͰ೚ҙͷݴޠͰॻ͍ͨίʔυΛ࣮ߦͰ͖ΔΑ͏ʹ

    ͳͬͨ

12. COBOL͕ಈ͘

13. AWS Lambda Run-me for Swi4 • COBOL͕ಈ͘ͳΒSwi)΋ಈͩ͘Ζ͏ͱࡶʹ࡞ͬͨ • h+ps:/ /github.com/giginet/aws-lambda-swi)-run?me

14. AWS Lambda Run-meͷ࣮૷ • C++/RustͷϦϑΝϨϯε࣮૷͕͋ͬͨͷͰࢀߟʹͨ͠ • h*ps:/ /github.com/awslabs/aws-lambda-cpp • h*ps:/

    /github.com/awslabs/aws-lambda-rust-run;me

15. Lambda Run*me࢓૊Έ • AWS Lambdaͷఏڙ͢ΔREST APIΛεΫϦϓτ͔Βpolling • ࣮ߦͰ͖Δஈ֊ʹͳͬͨΒPayloadͱ͔͕ฦͬͯ͘ΔͷͰϢʔ βʔͷॻ͍ͨϋϯυϥͰॲཧ •

    ੒ޭɺࣦഊ࣌ʹAPIୟ͍ͯLambdaଆʹ௨஌

16. import Foundation import AWSLambdaRuntime struct User: Decodable { let firstName:

    String } enum GreetingError: String, LambdaError { var message: String { switch self { case .invalidPayload: return "Payload is invalid" } } case invalidPayload } run { context -> Result<GreetingError> in guard let data = context.payload, let user = try? JSONDecoder().decode(User.self, from: data) else { return .failure(error: .invalidPayload) } let payload = try! JSONSerialization.data(withJSONObject: ["message": "Hello \(user.firstName)"]) return .success(payload: payload, contentType: "application/json") }

17. $ aws lambda invoke --function-name hello-swift --payload '{"username": "giginyan"}' output.txt

    Hello giginyan

18. ࣮ߦόΠφϦͷ࡞੒ • Amazon Linux্Ͱಈ͘Swi/όΠφϦΛ࡞੒ͯ͠AWSʹΞοϓ ϩʔυ͢Δ • docker-swi/ͰUbuntu޲͚ʹϏϧυͨ͠όΠφϦͰ΋ಈ࡞ͨ͠ ͷͰDockerͰϏϧυ͢Δ

19. • -static-stdlibͷίϯύΠϥϑϥάΛ౉͢͜ͱͰϫϯόΠφ ϦʹͰ͖Δ $ swift build --configuration release -Xswiftc -static-stdlib

20. • libdispatch͕Sta-c LinkͰ͖ͳͯ͘ࢮ͵ Compile Swift Module 'Example' (1 sources) Linking

    ./.build/x86_64-unknown-linux/debug/Example /usr/bin/ld.gold: error: cannot find -ldispatch
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23. • docker-swi,Λforkͯ͠ɺ࠷৽ͷToolchainΛؚΜͩDockerίϯ ςφͰϏϧυ͢ΔΑ͏ʹͯ͠Έͨ • ͕ɺͦΕͰ΋͏·͘ߦ͔ͳͯ͘ϋϚͬͨʢ๨Εͨʣ $ swift build -c release

    -Xswiftc -static-stdlib $ /usr/bin/swift-build: error while loading shared libraries: libBlocksRuntime.so.0: cannot open shared object file: No such file or directory

24. ݱঢ় • ࿦ཧͰ͖͍ͯΔ͕·ͩͰ͖͍ͯͳ͍ • 2ि͙ؒΒ͍લʹ੎͍Ͱ༗څΛऔͬͯ࡞͕ͬͨɺͦͷޙεϚ ϒϥ͕ग़ͯਐḿ͕ऴΘͬͨ

25. ղܾࡦ 1. LinuxͰಈ͘ϫϯόΠφϦΛੜ੒Ͱ͖ΔΑ͏ʹapple/swi/ͰରԠ 2. AWS Lambda Layer࢖͏ • ඪ४ϥΠϒϥϦΛϨΠϠʔଆʹ࣋ͬͯDynamic LinkͰղܾ

26. AWS Lambda Layer

27. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠