Jets ~Rubyで始めるServerless生活~

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Jets ~ RubyͰ࢝ΊΔServerlessੜ׆ ~ 2019/08/17 JAWS-UG Okayama 2019

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ࣗݾ঺հ ‣ԕ౻ େհ / @ruzia ‣౦ژ͔Β༡ͼʹ͖·ͨ͠ ‣גࣜձࣾ SonicGarden ‣ΠϯϑϥपΓͱ͔େن໛ ͱ͔ߴෛՙͱ͔େ޷͖ ‣ϩʔυόΠΫ΋ϋϚΓத

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ೲ඼ͷͳ͍डୗ։ൃ Ϗδωεͷ੒௕Λࢧ͑Διϑτ΢ΣΞΛ ֹ݄ఆֹͷސ໰ελΠϧͰఏڙ એ ఻ ͩ Α ʂ

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ιϑτ΢ΣΞ։ൃ๊͕͍͑ͯΔ՝୊ ‣ϢʔβχʔζʹԠͯ͡ɺܧଓతʹόʔδϣϯ  Ξοϓ͍ͨ͠ ‣౤ࢿ͸খ࢝͘͞Ίͯɺࣄۀن໛ʹԠͯ͡  ֦େ͍͖͍ͯͨ͠ ‣ۀ຿ͷվળʹ͋Θͤͯɺܧଓతʹόʔδϣϯ  Ξοϓ͍ͨ͠ Ϗδωεͷ՝୊

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ιϑτ΢ΣΞ։ൃ๊͕͍͑ͯΔ՝୊ ‣಺੡ɿΤϯδχΞͷ࠾༻ɺ૊৫ͮ͘Γɺ  ڭҭධՁ͕೉͍͠ ‣֎஫ɿ֎ʹཔΉʹ͸  ʮԿΛ࡞Δͷ͔ʹཁ݅ఆٛʯ͕೉͍͠ ͜Ε·Ͱͷ໰୊ ࠾༻ɾҰׅൃ஫Ͱͳ͍खஈ͸ʁ

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ʮೲ඼ͷͳ͍डୗ։ൃʯαʔϏε֓ཁ ʮֹ݄ఆֹʯͰֹۚͷݟੵΓ͸͋Γ·ͤΜ Ͱ͖ΔൣғͰʮ։ൃͱӡ༻ʯ͕ͣͬͱଓ͖·͢ หޢ࢜΍੫ཧ࢜ͷΑ͏ͳʮސ໰ʯͷΑ͏Ͱ͋Γɺ ·ΔͰʮ༏लͳνʔϜʯ͕͍ΔΑ͏ͳ΋ͷͰ͢ ͨͩ͠ɺಇ࣌ؒ͘Ͱ͸ͳ͘ʮ੒ՌʯͰܖ໿͠·͢

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ʮೲ඼ͷͳ͍डୗ։ൃʯαʔϏε֓ཁ ֹ݄ఆֹʴ੒Ռܖ໿ʹ  ೲ඼ͷͳ͍डୗ։ൃ

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TV Ͱ ͨ Α ʂ

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https://www.sonicgarden.jp Ұॹʹಇ͖͍ͨํ΋  ืूதͰ͢ʂ

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ຊ೔ͷ͓୊໨΍Β ‣RubyͱServerlessɺ૬ੑ͍͍Αʂ ‣30෼͔͠ͳ͍ͷͰɺ޿͘ઙ͘࿩͢Α ‣ϑΟʔυόοΫ͸ #jawsug #jawsoka ·Ͱ

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Q ͱ͜ΖͰΈͳ͞Μ Serverlessͯ͠·͔͢ʁ

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Serverlessͱ͸ʁ ‣αʔόͷߏஙɾӡ༻͕ඞཁͳ͍ ‣՝ۚ͸αʔόͷىಈ࣌ؒͰ͸ͳ͘ɺ  ϓϩάϥϜͷ࣮ߦ࣌ؒʹରͯ͠ߦΘΕΔ ‣ϓϩάϥϜͷ࣮ߦ؀ڥ͸ϑϧϚωʔδυ

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ͱ͸͍͑ɾɾɾ

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αʔόͷ؅ཧ͔Β͸ ։์͞Ε͚ͨͲɾɾɾ

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

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

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ʘͦΜͳ͋ͳͨʹʗ

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Ruby on Jets

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Q Jetsͬͯͳʹʁ

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A “The Ruby Serverless Framework”

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RubyͰServerlessΛ ָʹѻ͏ͨΊʹ࡞ΒΕͨ ϑϨʔϜϫʔΫ

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͋Γ͕ͪͳߏ੒Λ ʮָʹɺγʔϜϨεʹʯ ѻ͏͜ͱ͕Ͱ͖Δ

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API Gateway Lambda Data Store S3 CloudWatch Event

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

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Controllers

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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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Routes

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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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Jobs

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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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ΊͬͪΌγϯϓϧ͡Ό ͳ͍Ͱ͔͢ʁ

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

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ྫ͑͹IoT Eventsͱ ࿈ܞ͍ͤͨ͞৔߹

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

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ྫ͑͹Kinesisͱ ࿈ܞ͍ͤͨ͞৔߹

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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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ΊͬͪΌγϯϓϧ͡Ό ͳ͍Ͱ͔͢ʁ (2ճ໨

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

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

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Q ίʔυ͸γϯϓϧͰ΋ σϓϩΠ·Ͱ͕໘౗ͩͬͨΓ ͢ΔΜͰ͠ΐʁ

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A ʘຐ๏ͷίϚϯυʗ jets deploy

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$ 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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ίʔυ͸ඞཁͳ෺Λ ·ͱΊͯLambdaʹ Ξοϓϩʔυͯ͘͠ΕΔ

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CloudFormationͷ ςϯϓϨʔτΛੜ੒ͯ͠ ֤छϦιʔεΛ࡞ͬͯ͘ΕΔ

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API Gateway͔Β Lambdaͷܨ͗͜Έ΋ ࣗಈͰ΍ͬͯ͘ΕΔ

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αϯϓϧͰݟͤͨ ίʔυͩͱҎԼͷΑ͏ͳ Ϧιʔε͕ࣗಈੜ੒͞ΕΔ

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Controller͸ Functionʹ

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Route͸ API Gatewayʹ

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Job͸CloudWatch EventͳͲʹ

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

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΍Γ͍ͨॲཧΛॻ͚͹ Jets͕ࣗಈͰϦιʔεΛ ؅ཧͯ͘͠ΕΔ

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զʑ͕͢Δ͜ͱ͸ ͨͩίʔυΛॻ͍ͯ σϓϩΠ͢Δ͚ͩ

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ߏ੒ͱίʔυ͕ ៉ྷʹରԠͯ͠Δ͔Β ͱͯ΋ݟ௨͕͠ྑ͍

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΋ͪΖΜLambdaͷ ϝϞϦ༰ྔͷࢦఆͱ͔΋ Ͱ͖ΔΑ

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JetsΛ࢖͏͜ͱͰ ServerlessͷϦιʔε؅ཧ ͔Β΋։์͞ΕΔ

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·ͱΊ

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

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͓·͚

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Jetsͷ࡞ऀ͸ αϙʔτ΋खް͍

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haml͍ͬͯ͏ͷ ࢖͍͍ͨͰ͢

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࢖͑ΔΑ͏ʹ ͨ͠Αʂ

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ฦ৴΋ૣ͍͠ஸॏͩ͠ ײܹ͔͠͠ͳ͍

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ͥͻօ͞Μ΋JetsΛ ࢖ͬͯServerlessͷ ੈքΛָ͠΋͏ʂ

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