Serverless Frameworkで気軽にAPIを公開してみる？(Python3.6・ヴィジュアル系編)

ヴィジュアル系で学ぶ、Serverless Framework(Python3.6編）

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1. Serverless FrameworkͰ ؾܰʹAPIΛެ։ͯ͠ΈΔʁ (Python3.6ɾϰΟδϡΞϧܥฤ) 2017೥07݄13೔ JAWS-UG෱Ԭ@ूஂࢁݟͤͱAWS Summit TokyoৼΓฦΒNight#5
2. ࣗݾ঺հ • ౻࡚ɹ༏ • גࣜձࣾΦϧλʔϒʔε ۀ຿ࣥߦ໾һ COO • JAWS-UG෱ԬίΞϝϯόʔ • ͘͞ΒΫϥϒIoT෱ԬίΞϝϯόʔ • ϰΟδϡΞϧܥେ޷͖28೥ • AWS Summitߦͬͯͳ͍੎ɾɾɾ
3. ࠷ۙPythonͰϚωʔδϟʔ໨ઢͷπʔϧ࡞Γ࢝Ί·ͨ͠ https://github.com/y-fujisaki/BacklogCountToolServerless
4. ͯ͞ຊ೔ͷ͓࿩
5. ͨͱ͑͹͜Μͳͪΐͬͱͨ͠ൃ஫͕͋ͬͨΒʁ
6. ొ৔ਓ෺(೴಺) • όϯΪϟϧஉ͞Μ • ϰΟδϡΞϧܥόϯυΛ௥͔͚ͬͯ28೥ɻɻCD͸ϑϥή ೔खʹೖΕͳ͍ͱؾ͕͢·ͳ͍ɺےۚೖΓɻதೋප͕׬࣏ ͠ͳ͍ • ͱ͋ΔCOOͳΤϯδχΞ͞Μ • AWSͱAzureνϣτͰ͖Δɻ࠷ۙPythonͰπʔϧॻ͘ͷ͕ ͓ؾʹ͍Γ
7. ͋Δ೔ͷ೴಺ձ࿩ • όϯΪϟϧஉʣϰΟδϡΞϧܥόϯυͷൃച೔ΧϨϯμʔɺ ࣗ༝ʹѻ͑ΔΑ͏ͳσʔλཉ͍͠ͳ͊ • ΤϯδχΞʣϒϥϯυΤοΫεͷαΠτʹൃച೔ΧϨϯμʔ ͕͔͋ͬͨΒεΫϨΠϐϯάͨ͠Β͍͚Δ͔΋ • όϯΪϟϧஉʣͦΕͩʂʂ
8. ஫ɿϒϥϯυΤοΫε ஑ାʹ͋ΔϰΟδϡΞϧܥCDઐ໳ళɻϝδϟʔόϯυͰຬ଍Ͱ ͖ͳ͘ͳͬͨਓ͕࣍ʹߦͬͯΈΔ͓ళ http://www.brand-x.jp/
9. εΫϨΠϐϯάͯ͠Έͨ ݩϖʔδ http://www.brand-x.jp/page/38
10. εΫϨΠϐϯάͯ͠Έͨ https://github.com/y-fujisaki/vkei • Python • Beautiful Soup(http://kondou.com/BS4/)ͰHTML͔Βର৅ͷ ΧϨϯμʔ෦෼Λऔಘ • σʔλΛগ͠੔ܗ • JSONͰฦ͢Α͏ʹͯ͠Έͨ
11. JSON [ [ "date", "2017-8-3" ], [ "artist", "C4" ], [ "title", " ULTIMATE BEST ALBUM [-S A G A-] " ], [ "media", "CD" ], [ "price", "¥3,800" ] ],
12. ͋Δ೔ͷ೴಺ձ࿩ͦͷ̎ • όϯΪϟϧஉʣ͍͍ͪͪεΫϦϓτୟ͘ͷΊΜͲ͍ɺͳΜͱ ͔ͯ͠ • ΤϯδχΞʣ͠Ό͋ͳ͍ɾɾɾLambdaͰ΋࢖͓͏͔ɾɾɾ ͤ΍ʂྲྀߦΓͷServerless FrameworkͰ΋࢖ͬͨΖʂ
13. Serverless Framework • ֤छΫϥ΢υͷSeverlessΞʔΩςΫνϟͰbuild & deploy auto-scaling, event-driven functions.ͳͲΛૢ࡞͢ΔCLIπʔ ϧ • https://github.com/serverless/serverless • ؀ڥߏஙࢀߟࢿྉ:҆৺҆ఆͷΫϥεϝιου༷ϒϩά ࠓ͔Β࢝ΊΔServerless FrameworkͰ؆୯Lambda։ൃ؀ڥͷߏங http://dev.classmethod.jp/cloud/aws/easy-deploy-of-lambda-with-serverless- framework/
14. ࢖͍ํ(ςϯϓϨʔτσϑΥϧτ࣮ߦ࣌) # ʲςϯϓϨʔτ࡞੒ʳ sls create -t aws-python3 -p vkeicalendar cd vkeicalendar/ # ʲσϓϩΠʳ sls deploy # ʲςετ:AWS্Ϧιʔε࣮ߦʳ sls invoke -f hello # ʲ࡟আʳ sls remove
15. ςϯϓϨʔτ͕༻ҙ͞Ε͍ͯΔϥϯλΠϜ • aws-python • aws-nodejs • aws-python • aws-java-maven • aws-java-gradle • aws-scala-sbt • aws-csharp
16. Serverless FrameworkͰ ࡞ͬͨPythonεΫϦϓτΛ ಈ͔ͯ͠ΈΔ
17. ࡞ۀͷྲྀΕ
18. ϓϩδΣΫτ࡞੒ sls create -t aws-python3 -p vkeicalendar cd vkeicalendar/
19. serverless-python-requirementsΠϯετʔϧ • PGͰඞཁͳPythonύοέʔδϦετ(requirements.txt)Λσ ϓϩΠ࣌ͷύοέʔδʹؚΊΔϓϥάΠϯ npm install --save serverless-python-requirements
20. PluginͰಡΈࠐΉύοέʔδϦετΛ࡞੒ (requirements.txt) beautifulsoup4 datetime python-dateutil retry urlopen
21. serverless.ymlΛ࿔Δ service: slsVkei # ςϯϓϨʔτΛ࡞੒ͨ͠ͱ͖ʹࢦఆͨ͠΋ͷ provider: name: aws runtime: python3.6 # aws-python3ͱࢦఆ͢Δͱ3.6ʹɺͳ͍ͱ2.7ʹͳΔ region: ap-northeast-1 # ౦ژϦʔδϣϯʹมߋ plugins: - serverless-python-requirements #ϓϥάΠϯࢦఆ functions: calendar: # Serverless FrameworkͰѻ͏ؔ਺໊ʢςετ࣌ʹ࢖༻ʣ handler: vkei.calendar # ϑΝΠϧ໊(vkei.py)ɿLambdaϑΝϯΫγϣϯ໊(def calendar) events: - http: path: vcalendar # api gatewayϦιʔε໊ method: get # ࠓճ͸getͷΈ cors: true # ઃఆ͠ͳ͍ͱଞ͔Βར༻Ͱ͖ͳ͍
22. εΫϦϓτΛҠ২͢Δ import json from dateutil.relativedelta import relativedelta from retry import retry from urllib.request import urlopen from bs4 import BeautifulSoup from datetime import datetime, date, timedelta def calendar(event, context): body = getVcalendar() response = { "statusCode": 200, # SPA౳Ͱѻ͏ͨΊɺϨεϙϯεϔομʔʹԼهՃ͑Δ "headers" : {"Access-Control-Allow-Origin" : "*"}, "body": body } return response ## ௥Ճʂ ## ϰΟδϡΞϧܥΧϨϯμʔΛಡΈࠐΜͰJSONԽ def getVcalendar(): ɾɾɾ ɾɾɾ
23. ग़དྷͨ΋ͷ͕ͪ͜Βʢ̏෼ΫοΩϯάܗࣜʣ • https://github.com/y-fujisaki/vkeiJAWSFUKUOKA20170713
24. σϓϩΠ͢Δ y-fujisaki-MBP:slsVkei y-fujisaki$ sls deploy Serverless: Installing required Python packages for runtime python3.6... Serverless: Linking required Python packages... Serverless: Packaging service... Serverless: Unlinking required Python packages... Serverless: Creating Stack... Serverless: Checking Stack create progress... ..... Serverless: Stack create finished... Serverless: Uploading CloudFormation file to S3... Serverless: Uploading artifacts... Serverless: Uploading service .zip file to S3 (4 MB)... Serverless: Validating template... Serverless: Updating Stack... Serverless: Checking Stack update progress... .................................. Serverless: Stack update finished... Service Information service: slsVkei stage: dev region: ap-northeast-1 api keys: None endpoints: GET - https://xxxxxxxx.execute-api.ap-northeast-1.amazonaws.com/dev/vcalendar functions: hello: slsVkei-dev-hello
25. Ͱ͖ͨʂʂʂʢ͸ͣʣ
26. ͋Δ೔ͷ೴಺ձ࿩ͦͷ3 • ΤϯδχΞʣ͜ΕͰऔΕΔΑ͏ʹͳͬͨͰʂʂ • όϯΪϟϧஉʣόϯυ໊΍ൃച೔ͰߜΓ͜ΊΔΑ͏ʹͯ͠ʂ • ΤϯδχΞʣɾɾɾ
27. ଓ͘
28. serverless frameworkͷϝϦοτ • ίϚϯυ̍ൃͰσϓϩΠɾ࡟আʂ • ϩʔΧϧσόοάͰ͖Δʢ͸ͣɾɾɾࣗ෼ͷ؀ڥ͍·ίέΔ ͆ʣ • serverless͸ෳ਺ͷαʔϏεͷ૊߹ͤͱͳΓɺίʔυ΍ Build+Deployͷ؅ཧ͕όϥόϥʹͳΓ͕ͪͳͷΛճආͰ͖Δ • ServerlessΞʔΩςΫνϟͷΊΜͲ͍͘͞ॾʑͷσϝϦοτ ໘ΛݶΓͳܰ͘ݮͰ͖Δ
29. Serverless FrameworkͰؾܰʹ LambdaΛ࢖͓͏ʂ