Rustとtonicで始める gRPC入門(GENIEE Edit)

base: https://speakerdeck.com/tinykitten/rusttotonicdeshi-meru-grpczai-ru-men

Transcript

1. Rustͱ tonicͰ࢝ΊΔ gRPCೖ໳ Advanced guide for development gRPC service with Rust and tonic. My
2. TinyKitten Freelance frontend engineer I 💖 OSS & Cat🐈 Born in Gunma🐴 Live in Tokyo🗼
3. Tsubasa SEKIGUCHI ౎಺Λڌ఺ͱ͢Δ܈അݝલڮࢢੜ·ΕͷϑϦʔϥϯεͷ
   ϑϩϯτΤϯυΤϯδχΞɻ
   ͖ͬͨΜͱݺ͹Ε͍ͯ·͢ɻ
4. ೥ͿΓʹ໊ࢗͷσβΠϯΛߋ৽͠·ͨ͠ɻ͝ڵຯ͋Ε͹͓౉͠͠·͢ɻ
5. TrainLCD ೔ຊશࠃͷమಓ࿏ઢͰ࢖͑Δ ৽ײ֮ͷφϏήʔγϣϯΞϓϦͰ͢ɻ
6. Smart StackରԠ
   ۙ೔഑৴༧ఆ ˞ը૾͸։ൃதͷ΋ͷͰ͢ɻ
7. TrainLCDͷݪܕதͷݪܕͷΞϓϦʹؔͯ͠ͷηογϣϯΛͨ͠ࡍͷ഑৴͕YouTubeʹ͋Γ·͢
8. ࠓճͷLTͰ࿩͞ͳ͍ൣғ ϋϯζΦϯͰ͖ΔϨϕϧͷ࣮૷ͷ࿩
   ͔Μ΂Μ͍ͯͩ͘͠͞
   README.mdʹॻ͍ͯ͋Δఔ౓ͷ஌ࣝ
   5෼Ͱ͸͕࣌ؒ଍Γ·ͤΜ
   JSͷόϯυϧαΠζͰ͸ͳ͘ମॏΛݮΒ͢ํ๏
   ૫ͤΔͨΊͷ͕࣌ؒͳ͍Ͱ͢
   ਅ໷தʹ΍Δؾ͕ग़Δݱ৅ʹ͍ͭͯ
   ͜ͷεϥΠυ͸େମ࢓ࣄ͕ऴΘͬͯՋʹͳͬͨ໷தʹ࡞ͬͯ·͢
9. Introduction جૅ஌ࣝ
10. gRPCͱ͸ʁ GoogleࣾͷߟҊͨ͠RPCϓϩτίϧ
    RPC͸Remote Procedure Call(ԕִखଓ͖ݺͼग़͠ ͷུͰ͢
    gRPC͸ࣗࣾϚΠΫϩαʔϏεؒͰͷ಺੡γεςϜʮStubbyʯ͕લ਎
    IDL͔Β༷ʑͳݴޠͷίʔυ͕ੜ੒Ͱ͖Δ
    ΋ͪΖΜJavaScript΋ՄೳͰ͢
    gRPC-webͰWebϒϥ΢β͔ΒgRPCαʔόʔΛୟ͚Δ
    8FCϒϥ΢βͰͷ࢖༻Ͱ͸੍ݶ͕͋Δ
    
    αʔόʔͱͷʮ௚઀ʯ௨৴͸Ͱ͖ͳ͍ʢجຊతʹ&OWPZ౳ͷϓϩΩγͷ༻ҙ͕ඞཁʣ
     Bi-directional streaming(C/SؒͰ೚ҙͷλΠϛϯάͰ௨৴͕Ͱ͖Δ)ʹରԠ͍ͯ͠ͳ͍
11. ࠓճͷϓϩμΫγϣϯͳ୊ࡐ TrainLCD
    ʮ೔ຊશࠃͷమಓ࿏ઢͰ࢖͑Δ৽ײ֮φϏήʔγϣϯΞϓϦʯ TrainLCDͱ͍͏ΞϓϦΛझຯͰ࡞͍ͬͯ·͢ɻ ͜ͷΞϓϦ͸ओཁ౎ࢢͷτϨΠϯϏδϣϯΛ࠶ݱͨ͠ΞϓϦͰɺ
    GPSΛ࢖ͬͨφϏήʔγϣϯΞϓϦͱͯ͠΋࢖͑·͢ɻ
    ศརͳػೳͱͯ͠Ӻ౸ண௨஌΍εϚʔτ΢ΥονରԠɺ
    iOS/iPadOSͷLive Activitiesʹ΋ରԠ͍ͯ͠·͢ɻ
12. ࠓճͷϓϩμΫγϣϯͳ୊ࡐ TrainLCDΞϓϦͷAPI࣮૷ʮStationAPIʯ
    TrainLCDΞϓϦͷAPIαʔόʔͷStationAPI͕͋Γɺ
 ͜ͷStationAPIΛ୊ࡐͱͯ͠஌ݟΛڞ༗͠·͢ɻ
 ͳ͓ɺStationAPI͸਺ϲ݄લʹNestJSΛ࢖ͬͨGraphQLαʔόʔͱͯ͠Քಇ͍ͤͯͯ͞ɺ
 NestJSͱApollo Server(GraphQL)ͷελοΫΛRust+tonic(gRPC)ʹҠߦ͠·ͨ͠ɻ
13. ࠓճ঺հ͢ΔελοΫ
14. Rustͱ͸ ݴΘͣͱ஌Εͨϓϩάϥϛϯάݴޠ
    CݴޠɺC++ʹ୅ΘΔγεςϜϓϩάϥϛϯάݴޠΛ໨ࢦ͍ͯ͠Δ
    GCͳΜͯ΋ͷ͸ͳ͍
    GCͳ͠ͰͷϝϞϦ҆શੑΛอূ͍ͯ͠Δ
    ($ͷΑ͏ͳػߏ͕ඞཁͳ৔໘Ͱ͸εϚʔτϙΠϯλΛ࢖༻Մೳ
    AtomicͳArcɺͦ͏Ͱ͸ͳ͍Rc͕͋Δ
    WebAssemblyʹͩͬͯ࢖͑·͢
    ֶशίετߴΊ
    आ༻ɺϥΠϑλΠϜͱࠓ·Ͱͳ͔ͬͨ֓೦͕͋Δ͕ɺ
    ͦΕΒ͕ϝϞϦ҆શΛୡ੒͍ͤͯ͞Δ
15. tonicͱ͸ RustͷgRPC࣮૷
    3VTUͰ࢖͑ΔϋΠύϑΥʔϚϯεͰOSSɺ൚༻తͳgRPCϑϨʔϜϫʔΫ
    ϋΠύϑΥʔϚϯεʹϑΥʔΧε
    ଞʹ΋૬ޓӡ༻ੑ͕͋ΓॊೈͳϥΠϒϥϦͱᨳ͍ͬͯΔ
    ࢖͍ํʹΑͬͯ͸֎෦ϓϩΩγෆཁ
    grpc-webͷαʔόʔͱͯ͠࢖͍͍ͨ৔߹͸ɺtonic-web crate͕͋Γ·͢
    tonic-web crateΛ࢖͏͜ͱͰɺϑϨʔϜϫʔΫଆͰHTTP/1.1Λ஻ΕΔΑ͏ʹͳΓ·͢
    ͭ·ΓɺEnvoy౳ͷ֎෦ϓϩΩγ͕ෆཁʹͳΓ·͢
16. Motivation ͳͥ΍Δͷ͔
17. StationAPIϑϧεΫϥονͷϞνϕʔγϣϯ
    (1/3) NestJSΛ࢖͍ͬͯ·ͨ͠
    NestJSͰGraphQLϞδϡʔϧΛ࢖ͬͯGraphQLͷAPIΛ࣮૷͍ͯ͠·ͨ͠ɻ
    NestJSࣗମ͸ѱ͘͸ͳ͔ͬͨͰ͢ɻΉ͠Ζਖ਼ࣾһ࣌୅ʹ࢖͍ͬͯͨ
    Angularͱߏ଄͕ࣅ͍ͯͯϊελϧδʔʹਁΕ·ͨ͠ શવؔ܎ͳ͍ ɻ
    N+1໰୊ʹͿͪ౰ͨΔ
    ΋ͪΖΜɺNestJSͰղܾෆՄೳͳ໰୊Ͱ͸ͳ͍ͷͰ͕͢ɻ
    ۙࠒTrainLCDΞϓϦͷϢʔβʔ΋૿͖͑ͯͯɺͲ͏ͤൈຊతʹॻ͖׵͑ΔͳΒ
    NestJSʹ᩾ር͢ΔΑΓ΋͏ͪΐͬͱݎ࿚Ͱߴ଎ͳ"1*Λ࡞Γ͔ͨͬͨͷͰ͢ɻ
18. ͜͜ͰRustʹനӋͷ໼ཱ͕ͭ
    աڈʹͪΐͬͱ͚ͩRustͷษڧΛ͍ͯͯ͠ɺݴޠͷઃܭ͕RustͷॳֶϓϩάϥϚʹݫ͍͕͠ɺ
    ҆৺ͯ͠ಈ͔ͤΔ্ʹNode.jsΑΓߴ଎ɾ௿ϝϞϦϑοτϓϦϯτͳAPIΛ࡞ΕΔͷͰɺ
    ࠓճͷϑϧεΫϥον͸RustͰߦ͏લఏͱͳΓ·ͨ͠ɻ
    Ͳ͏ͤͳΒgRPC΋ࢼͯ͠ΈΑ͏
    gRPCࣗମ͸ҎલΑΓ஌͍ͬͯͯ࠾༻͢Δ͔ܰ͘໎͍·͕ͨ͠ɺैདྷͷGraphQL APIͷ՝୊ͱͯ͠
    ʮΞϓϦͷૢ࡞ճͰඞཁͳσʔλ͕ଟͯ͘ΫΤϦ͕ංେԽɺϨεϙϯεσʔλ͕͑͛ͭͳ͍αΠζʹͳΔʯ
    ͱ͍͏ͷ΋͋Γͦ΋ͦ΋ΞϓϦͷઃܭࣗମ͕ؒҧ͍ͬͯΔؾ΋͠ͳ͘͸ͳ͍Ͱ͕͢ɺ
    εϚϗ޲͚ΞϓϦͰͷ௨৴༰ྔ͕ଟ͍ͷ͸େ͖ͳ՝୊Ͱͨ͠ɻ StationAPIϑϧεΫϥονͷϞνϕʔγϣϯ
    (2/3)
19. gRPCͷϖΠϩʔυ͸όΠφϦ
    όΠφϦͰ΍ΓऔΓ͢ΔͷͰɺઌ΄Ͳઆ໌ͨ͠ʮϨεϙϯεσʔλͷංେԽʯʹ͸ޮՌతͦ͏Ͱ͢ΑͶɻ
    ChromeͷDevToolsͰ͸όΠφϦͷͨΊ֬ೝ͕͠ΜͲ͔ͬͨΓ͠·͢ɻ
    Protocol Bu ff ersͰλΠϓηʔϑ
    ͪ͜Β͸REST APIͱͷൺֱͰ͕͢ɺ
    gRPC APIͱ௨৴͢Δ࣌ʹඞͣProtocol Bu ff ersͷεΩʔϚఆٛΛ࢖༻͢ΔͷͰ
    ௨৴͢Δલ͔ΒϦΫΤετͱϨεϙϯεͷܕ͕Θ͔Βͳ͍ɺͱ͍͏͜ͱ͸ͳ͘ͳΔ͸ͣͰ͢ɻ
    ཁ͢ΔʹREST APIͰ͍͏Swagger͕࠷ॳ͔Β࢖͑Δͱ͍ͬͨΠϝʔδͰ͢ɻ StationAPIϑϧεΫϥονͷϞνϕʔγϣϯ
    (3/3)
20. Implement & Run By Example StationAPIͷ஌ݟΛݩʹ࣮૷ͯ͠࢖ͬͯΈΔ
21.  Protocol Bu ff ersͰεΩʔϚఆٛΛߦ͏
     RustͰ࣮૷
     AWSʹσϓϩΠ
     PostmanͰୟ͍ͯΈΔ
     ΞϓϦʹͭͳ͗͜Ή ͬ͟ͱ΍ͬͨ͜ͱ
22. RustΛ࢖ͬͨ։ൃͷ஌ݟ
    σʔλϕʔεฤ ORM͸ԿΛ࢖ͬͨʁ
    ਖ਼֬ʹ͸ORMͰ͸ͳ͍Ͱ͕͢ɺsqlxΛ࢖༻͠·ͨ͠ɻ
    Ϣʔεέʔεతʹ͸SQL͚࣮ͩߦͰ͖Ε͹े෼ͰɺORMͩͱΦʔόʔεϖοΫɻ
    query!ͷΑ͏ͳϚΫϩΛ࢖͏ͱίϯύΠϧ࣌ʹΫΤϦΛνΣοΫͰ͖·͢ɻ
    ϚΫϩҎ֎͸ଞݴޠͷORMͱ͔ʹରͯ͠໌Β͔ʹҧ͏ͱ͜Ζ͸ͳ͍ͱࢥ͍·͢ɻ
    ΄͔ʹ΋ɺRustʹ͸dieselͱ͍͏ORM͕͋Γ·͕͢ɺ
    ͜Ε͕σϑΝΫτελϯμʔυʁ
23. gRPC APIΛσϓϩΠ ελοΫʹ͍ͭͯ
    StationAPI͸AWSʹ৐͔ͬͬͯ·͢ɻ࢖͍ͬͯΔαʔϏε͸
    - Elastic Container Service(ECS)
 - Elastic Container Registry(ECR)
 - Elastic Load Balancing(ELB)
 
 ΄͔ʹ΋GCPͷج൫΋࢖͍ͬͯ·͢
 - Text-to-Speech AI
    
    Firebase
 - Firestore/Storage/Messaging/Authentication/Functions
24. ·ͱΊ Rust͸͍͍ͧ
    Rust͸҆શͰߴ଎ͳγεςϜϓϩάϥϛϯάݴޠͰ͢
    ࠷ॳͷֶशίετ͸ߴ͍Ͱ͕͢ɺҰ౓Ͱ΋৮ͬͯΈΔՁ஋͸
    զʑWebۀքͷਓؒͩͱͯ͠΋͋Γ·͢
    AWS΋͍͍ͧ
    આ໌΋໺฻Ͱ͢Ͷ
    TrainLCDΞϓϦΛ͝᩾ርʹ
    ൱ఆతͳઌೖ؍Λ͍࣋ͬͯͨਓͰ΋ɺ࢖ͬͯΈΕ͹
    ʮੜ׆ʹ͔ܽͤͳ͍ʯ໘ന͍ΞϓϦͱධՁͯ͠΋Β͍͑ͯ·͢
25. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
    Thank you for listening! My 2024.10.08 Tsubasa SEKIGUCHI