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AWS Lambda Go First Impression
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Seiji Takahashi
January 29, 2018
Programming
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AWS Lambda Go First Impression
presentation @ golang.tokyo #12
Seiji Takahashi
January 29, 2018
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Transcript
First Impression of
aws-lambda-go • Seiji Takahashi • Github: timakin / Twitter: @__timakin__
• גࣜձࣾGunosy ৽نࣄۀ։ൃࣨ • Go / Swift ࣗݾհ
ੵ ۃ ࠾ ༻ தʂ
ࠓ͢͜ͱ
None
None
None
ࠓ·ͰͲ͏͔ͯͨ͠ • apex • ਖ਼ࣜαϙʔτ͞Εͯͳ͍ݴޠͰlambdaͷ ؔΛॻ͚Δ • awscliΑΓ؆୯ʹσϓϩΠ
ࠓ·ͰͲ͏͔ͯͨ͠ • Node (index.js) -> GoͷόΠφϦ • apex.HandlerFuncͱ͍͏ϋϯυϥͷ ίʔϧόοΫ෦ͰΠϕϯτड͚औΓ
ࠓͲ͏͢Δ͔ • aws-lambda-go • awsਖ਼ࣜαϙʔτͷlambda package • apexΛͬͯͨਓͳΒҠߦ༰қ
࣮ࡍʹҠߦͯ͠ΈΔ
before
after
ҧ͍ʁ • ຊ࣭తʹͳ͍ • ݟ্ͨίʔϧόοΫͰड͚औΔ͔ɺ ී௨ʹϋϯυϥʔͷҾͰड͚औΔ͔ͷ ҧ͍͋Δɻ • deploy͕awscliܦ༝ɻ •
AWSެࣜDocͰinitͰͷάϩʔόϧมͷ ॳظԽ͕ਪ͞Ε͍ͯΔɻ
packageͷίʔυ • AWSज़Έ͍ͨͳίʔυॻ͖͕ͪ • aws-sdk-goͱ͔͍͢͝ɻ ίʔϧόοΫͷຐज़ࢣͰ͍ΔͷͰɻ • aws-lambda-goޚଟʹ࿙Εͳ͍
None
͜ΕԿ RPC༻ͷΧελϜϦεφʔͷ࡞ ͔Βͷݺͼग़͠Λͯ͘͠ΕΔ܅
<- package͕࣮͍ͯ͠ΔInvoke funcΛݺͼग़ͤΔΑ͏ʹwrap
<- ͍͕ͭ͜Ғ͍ͭ
ɾϦΫΤετͷτϨʔγϯά ɾλΠϜΞτཧ ɾRequestIDͷอ࣋ ͳͲͷͨΊʹಠࣗcontextΛ࡞্ͨ͠ͰɺhandlerΛݺͼग़͠
None
None
None
৻·͍͠ context in context (request-scopedͳͷͰਖ਼͍͠)
<- RPCͷݺͼग़͠ީิʹొ
<- RPC Accept
None
None
ҰఆͷϧʔϧΛ९क͢ΕϋϯυϥͱΈͳ͞ΕΔ
తͳreflection
ษڧʹͳΔ
·ͱΊ • aws-lambda-goҠߦɺ৽ن࡞ָ͕ʂ • தͷίʔυ͕໘ന͍ʂ • RPC callͷ࣮ྫ • contextͷ͍ํʹ͍ͭͯߟ͑ͤ͞ΒΕΔ
• reflectionͷԠ༻ྫ
Thank you! ✨