Jets ~ Rubyで始めるServerless生活 ~

AWSのLambda上でRubyを使ってサーバレスアプリを作成・運用することが出来るフレームワーク「Jets」の紹介です。

Transcript

1. Jets
   ~ RubyͰ࢝ΊΔServerlessੜ׆ ~
   2019/11/28
   SonicGarden Tech
   גࣜձࣾιχοΫΨʔσϯ ԕ౻ େհ / @ruzia
   

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2. ࣗݾ঺հ
   ‣ԕ౻ େհ / @ruzia
   ‣גࣜձࣾ SonicGarden
   ‣ΠϯϑϥपΓͱ͔େن໛
   ͱ͔ߴෛՙͱ͔େ޷͖
   ‣ϩʔυόΠΫ΋ϋϚΓத
   ‣σεɾετָ͍͠Ͷʂ
   

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3. ຊ೔ͷ͓୊໨΍Β
   ‣RubyͱServerlessɺ૬ੑ͍͍Αʂ
   ‣30෼͔͠ͳ͍ͷͰɺ޿͘ઙ͘࿩͢Α
   ‣ϑΟʔυόοΫ͸ͦͷ৔Ͱ߹͍ͷखΛ
   

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4. Q
   ͱ͜ΖͰΈͳ͞Μ
   Serverlessͯ͠·͔͢ʁ
   

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5. Serverlessͱ͸ʁ
   ‣αʔόͷߏஙɾӡ༻͕ඞཁͳ͍
   ‣՝ۚ͸αʔόͷىಈ࣌ؒͰ͸ͳ͘ɺ

   ϓϩάϥϜͷ࣮ߦ࣌ؒʹରͯ͠ߦΘΕΔ
   ‣ϓϩάϥϜͷ࣮ߦ؀ڥ͸ϑϧϚωʔδυ
   

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6. ͱ͸͍͑ɾɾɾ
   

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7. αʔόͷ؅ཧ͔Β͸
   ։์͞Ε͚ͨͲɾɾɾ
   

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8. Q
   ίʔυͱAWSͷϦιʔε
   ؅ཧΊΜͲ͏͡Όͳ͍ʁ
   Lambda
   ΍Β
   API
   Gateway΍Β
   Cloud
   Watch Event΍Β
   

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9. ServerlessͰಈ͔͢ίʔυ΋ɺ
   ߏ੒؅ཧ΋ɺશ෦·Δͬͱ
   γϯϓϧʹ؅ཧ͍ͨ͠ΑͶʂ
   

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10. ʘͦΜͳ͋ͳͨʹʗ
    

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11. Ruby on Jets
    

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12. Q
    Jetsͬͯͳʹʁ
    

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13. A
    “The Ruby Serverless
    Framework”
    

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14. RubyͰServerlessΛ
    ָʹѻ͏ͨΊʹ࡞ΒΕͨ
    ϑϨʔϜϫʔΫ
    

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15. ͋Γ͕ͪͳߏ੒Λ
    ʮָʹɺγʔϜϨεʹʯ
    ѻ͏͜ͱ͕Ͱ͖Δ
    

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16. API
    Gateway
    Lambda
    Data Store
    S3
    CloudWatch
    Event
    

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17. Jetsͷૉఢͳͱ͜Ζ
    ‣هड़͢Δίʔυ͕γϯϓϧ
    ‣֤छAWSͷαʔϏεͱͷ࿈ܞָ͕ͪΜ
    ‣AWSͷ֤छϦιʔε͸ࣗಈ؅ཧ
    

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18. Controllers
    

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19. class PostsController < ApplicationController
    def index
    # renders Lambda Proxy structure compatible with
    # API Gateway
    render json: {hello: "world", action: "index"}
    end
    def show
    # params available
    id = params[:id]
    # puts goes to the lambda logs
    puts event # raw lambda event available
    render json: {action: "show", id: id}
    end
    …
    end
    

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20. Routes
    

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21. Jets.application.routes.draw do
    get "posts", to: "posts#index"
    get “posts/new", to: "posts#new"
    get “posts/:id", to: "posts#show"
    post "posts", to: "posts#create"
    get "posts/:id/edit", to: "posts#edit"
    put "posts", to: "posts#update"
    delete “posts", to: "posts#delete"
    # expands to the RESTful routes above
    resources :posts
    # GET, POST, PUT, etc request all work
    any "posts/hot", to: “posts#hot”
    …
    end
    

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22. Jobs
    

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23. class HardJob < ApplicationJob
    rate "10 hours" # every 10 hours
    def dig
    puts "done digging"
    end
    cron "0 */12 * * ? *" # every 12 hours
    def lift
    puts "done lifting"
    end
    …
    end
    

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24. ΊͬͪΌγϯϓϧ͡Ό
    ͳ͍Ͱ͔͢ʁ
    

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25. Jetsͷૉఢͳͱ͜Ζ
    ‣هड़͢Δίʔυ͕γϯϓϧ
    ‣֤छAWSͷαʔϏεͱͷ࿈ܞָ͕ͪΜ
    ‣AWSͷ֤छϦιʔε͸ࣗಈ؅ཧ
    

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26. ྫ͑͹IoT Eventsͱ
    ࿈ܞ͍ͤͨ͞৔߹
    

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27. class ThermostatJob < ApplicationJob
    iot_event "SELECT * FROM 'my/topic'"
    def measure
    puts "event #{JSON.dump(event)}"
    end
    …
    end
    

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28. ྫ͑͹Kinesisͱ
    ࿈ܞ͍ͤͨ͞৔߹
    

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29. class DataJob < ApplicationJob
    kinesis_event "my-stream"
    def file
    puts "event #{JSON.dump(event)}"
    puts "kinesis_data #{JSON.dump(kinesis_data)}"
    end
    …
    end
    

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30. ΊͬͪΌγϯϓϧ͡Ό
    ͳ͍Ͱ͔͢ʁ (2ճ໨
    

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31. ΄͔ʹ΋৭ʑ࿈ܞͰ͖Δ
    ‣CloudWatch Log Events
    ‣DynamoDB Events
    ‣S3 Events
    ‣SNS Events
    ‣SQS Events
    

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32. Jetsͷૉఢͳͱ͜Ζ
    ‣هड़͢Δίʔυ͕γϯϓϧ
    ‣֤छAWSͷαʔϏεͱͷ࿈ܞָ͕ͪΜ
    ‣AWSͷ֤छϦιʔε͸ࣗಈ؅ཧ
    

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33. Q
    ίʔυ͸γϯϓϧͰ΋
    σϓϩΠ·Ͱ͕໘౗ͩͬͨΓ
    ͢ΔΜͰ͠ΐʁ
    

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34. A
    ʘຐ๏ͷίϚϯυʗ
    jets deploy
    

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35. $ jets deploy
    Deploying to Lambda demo-dev environment...
    => Copying current project directory to temporary build area: /tmp/
    jets/demo/app_root
    => Setting up a vendored copy of ruby.
    => Replacing compiled gems with AWS Lambda Linux compiled versions.
    Deploying CloudFormation stack with jets app!
    Uploading /tmp/jets/demo/code/code-7169d0ac.zip (88.8 MB) to S3
    Time to upload code to s3: 1s
    02:08:20AM UPDATE_IN_PROGRESS AWS::CloudFormation::Stack demo-dev
    User Initiated
    ...
    02:08:48AM CREATE_IN_PROGRESS AWS::CloudFormation::Stack
    PostsController
    02:10:03AM UPDATE_COMPLETE AWS::CloudFormation::Stack demo-dev
    Stack success status: UPDATE_COMPLETE
    Time took for stack deployment: 1m 46s.
    Prewarming application...
    API Gateway Endpoint: https://xxxxxxxxxx.execute-api.us-
    west-2.amazonaws.com/dev/
    

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36. ίʔυ͸ඞཁͳ෺Λ
    ·ͱΊͯLambdaʹ
    Ξοϓϩʔυͯ͘͠ΕΔ
    

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37. CloudFormationͷ
    ςϯϓϨʔτΛੜ੒ͯ͠
    ֤छϦιʔεΛ࡞ͬͯ͘ΕΔ
    

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38. API Gateway͔Β
    Lambdaͷܨ͗͜Έ΋
    ࣗಈͰ΍ͬͯ͘ΕΔ
    

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39. αϯϓϧͰݟͤͨ
    ίʔυͩͱҎԼͷΑ͏ͳ
    Ϧιʔε͕ࣗಈੜ੒͞ΕΔ
    

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40. Controller͸
    Functionʹ
    

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41. class PostsController < ApplicationController
    def index
    # renders Lambda Proxy structure compatible with
    # API Gateway
    render json: {hello: "world", action: "index"}
    end
    def show
    # params available
    id = params[:id]
    # puts goes to the lambda logs
    puts event # raw lambda event available
    render json: {action: "show", id: id}
    end
    …
    end
    

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42. View Slide

43. Route͸
    API Gatewayʹ
    

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44. Jets.application.routes.draw do
    get "posts", to: "posts#index"
    get “posts/new", to: "posts#new"
    get “posts/:id", to: "posts#show"
    post "posts", to: "posts#create"
    get "posts/:id/edit", to: "posts#edit"
    put "posts", to: "posts#update"
    delete “posts", to: "posts#delete"
    …
    end
    

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46. Job͸CloudWatch
    EventͳͲʹ
    

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47. class HardJob < ApplicationJob
    rate "10 hours" # every 10 hours
    def dig
    puts "done digging"
    end
    …
    end
    

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49. ΍Γ͍ͨॲཧΛॻ͚͹
    Jets͕ࣗಈͰϦιʔεΛ
    ؅ཧͯ͘͠ΕΔ
    

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50. զʑ͕͢Δ͜ͱ͸
    ͨͩίʔυΛॻ͍ͯ
    σϓϩΠ͢Δ͚ͩ
    

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51. ߏ੒ͱίʔυ͕
    ៉ྷʹରԠͯ͠Δ͔Β
    ͱͯ΋ݟ௨͕͠ྑ͍
    

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52. ΋ͪΖΜLambdaͷ
    ϝϞϦ༰ྔͷࢦఆͱ͔΋
    Ͱ͖ΔΑ
    

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53. JetsΛ࢖͏͜ͱͰ
    ServerlessͷϦιʔε؅ཧ
    ͔Β΋։์͞ΕΔ
    

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54. ·ͱΊ
    

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55. ࠓ೔࿩ͨ͜͠ͱ
    ‣Serverlessͱ͸
    ‣Jetsͱ͸Կ͔
    ‣JetsͰͷServerlessΞϓϦͷ࡞Γํ
    ‣JetsΛ࢖͏ͱԿ͕خ͍͠ͷ͔
    

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56. ͓·͚
    

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57. Jetsͷ࡞ऀ͸
    αϙʔτ΋खް͍
    

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58. haml͍ͬͯ͏ͷ
    ࢖͍͍ͨͰ͢
    

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59. ࢖͑ΔΑ͏ʹ
    ͨ͠Αʂ
    

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60. ฦ৴΋ૣ͍͠ஸॏͩ͠
    ײܹ͔͠͠ͳ͍
    

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61. ͥͻօ͞Μ΋JetsΛ
    ࢖ͬͯServerlessͷ
    ੈքΛָ͠΋͏ʂ
    

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62. Jets͕ؾʹͳͬͨํ͸
    ͥͻҎԼͷURLΛʂ
    https://rubyonjets.com
    API
    Ϟʔυͱ͔
    IAM
    पΓͱ͔
    ϑΝΠϧͷ
    Ξοϓϩʔυͱ͔
    

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63. ͝ਗ਼ௌ͋Γ͕ͱ͏
    ͍͟͝·ͨ͠ʂ
    

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