aws-lambda-in-practice - Speaker Deck

aws-lambda-in-practice

by tannai

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%FWFMPQFST*0 -B ୮಺༏لϞόΠϧΞϓϦαʔϏε෦ Ϋϥεϝιουגࣜձࣾ ⡥$MBTTNFUIPE *OD ೥݄೔ ࣮຿Ͱ࢖͏"84-BNCEB #cmdevio2016 #La

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ࣗݾ঺հ • ୮಺༏ل • Ϋϥεϝιουגࣜձࣾ • ϞόΠϧΞϓϦαʔϏε෦ • αʔόαΠυ୲౰ 2 #cmdevio2016 #La

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ϞόΠϧόοΫΤϯυάϧʔϓ • AWSͱiOS/Androidͷهࣄ͕ଟ͍Classmethod • ࢢ৔ͷมԽʹରԠͯ͠αʔόαΠυͷ։ൃ΋ ڧԽ • AWS্Ͱಈ͘APIαʔό΍WebΞϓϦͷ։ൃ • ্ཱͪ͛ظʹ͖ͭืूதʂ 3 #cmdevio2016 #La

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ຊ୊ 4

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Agenda • AWS Lambdaͱ࣮຿ • ࣮຿ͰͷϢʔεέʔε • LambdaͷTips • ࣮຿ʹ૊ΈࠐΉצॴ 5

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AWS Lambdaͱ͸ • https://aws.amazon.com/jp/lambda/faqs/ • ొ࿥ͨ͠ϓϩάϥϜΛ࣮ߦͯ͘͠ΕΔ  ϑϧϚωʔδυαʔϏε • EC2ͷΑ͏ͳ؅ཧ͢Βෆཁ • ϑϧϚωʔδυ • AWSͱͷ࿈ܞ͕ڧྗ • Πϕϯτιʔε 6 #cmdevio2016 #La

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࣮຿ͱ͸ • ࣮ࡍͷ۩ମతͳ࢓ࣄ • https://kotobank.jp/word/࣮຿-521746 • ʮ੹຿ΛՌ͓ͨͯۚ͠Λ΋Β͏ʯ • ظݶ/είʔϓ/༧ࢉͷ͍͔͕ܾͭ͘·͍ͬͯΔ 7 #cmdevio2016 #La

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ͪΐͬͱͰ΋LambdaΛ ࢖ͬͨ͜ͱ͕͋Δਓ 8

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࣮຿ͰLambdaΛ ࢖͍ͬͯΔਓ 9

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࣮຿ͰLambdaΛ ͕ͬͭΓ࢖͍ͬͯΔਓ 10

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࣮຿ͰLambdaΛ࢖͏ͷ͸೉͍͠ʁ • Lambda͕ྑͦ͞͏ͳ͜ͱ͸෼͔Δ • EC2Ͱ͸ΦϯϓϨͱಉ͡Α͏ʹϓϩάϥϜΛ ࣮ߦ͢Δ͜ͱ͕Ͱ͖ͨ • Lambdaͷ࢖͍ํ͸ɺͦΕͱ͸ҟͳΔ • ೲظ͕ܾ·͍ͬͯΔͷͰԼखʹϋϚΔͱਏ͍ • ӡ༻࣌ʹ໰୊͕ग़ΔͱࠔΔ 11 #cmdevio2016 #La

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͜ͷηογϣϯͷΰʔϧ • LambdaΛ࣮຿Ͱ࢖͏͖͔͚ͬʹͳΔ • ࣮຿ʹແཧͳ͘औΓೖΕΒΕΔઃܭͷ  ͖͔͚ͬΛಘΔ 12 #cmdevio2016 #La

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Agenda • AWS Lambdaͱ࣮຿ • ࣮຿ͰͷϢʔεέʔε • LambdaͷTips • ࣮຿ʹ૊ΈࠐΉצॴ 13

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S3ϑΝΠϧૢ࡞ 14

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S3ϑΝΠϧૢ࡞ • ϝλσʔλ෇༩ • αϜωΠϧ࡞੒ 15 #cmdevio2016 #La

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CSVͷDynamoDBςʔϒϧԽ 16

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CSVͷDynamoDBςʔϒϧԽ • S3ʹΞοϓϩʔυ͞ΕͨCSVϑΝΠϧΛ DynamoDBςʔϒϧʹॻ͖ࠐΉFunction • FunctionΛ࣮ߦ͢ΔFunctionͰಉ࣮࣌ߦ਺Λ  ੍ޚ 17 #cmdevio2016 #La

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CSVͷDynamoDBςʔϒϧԽ 18 #cmdevio2016 #La

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CSVͷDynamoDBςʔϒϧԽ • ΋ͱ͸ΞϓϦͷػೳͱͯ͠ߟ͍͑ͯͨ • ࣌ؒͷ͔͔ΔॲཧͩͬͨͷͰLambdaԽ • workerͰ΋ྑ͔͕ͬͨLambdaͷํ͕  ӡ༻͠ͳͯ͘ྑ͍ͿΜָ 19 #cmdevio2016 #La

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ϞόΠϧΞϓϦ͔ΒݺͿAPI 20

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ϞόΠϧΞϓϦ͔ΒݺͿAPI • APIαʔό͕୲͍ͬͯͨॲཧΛLambdaͰߦ͏ • DynamoDBʹ௚઀ॻ͖ࠐΉΑΓ΋༻్͕޿͍ • ϩδοΫΛޙ͔ΒมߋͰ͖Δ • ηΩϡϦςΟ্ͪΐͬͱ҆৺ 21 #cmdevio2016 #La

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ϞόΠϧΞϓϦ͔ΒݺͿAPI 22 #cmdevio2016 #La

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ϞόΠϧΞϓϦ͔ΒݺͿAPI 23 #cmdevio2016 #La

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ϞόΠϧΞϓϦ͔ΒݺͿAPI • ݁ہɺཁ͕݅ᐆດͳஈ֊Ͱ͸Lambda࠾༻Λ  ܾஅͰ͖ͳ͔ͬͨ • APIαʔόΛNode.jsͰॻ͍ͯਐΊΔ • ཁ͕݅ݻ·ͬͨΓɺLambdaͷػೳ֦ு΍  ΞΫηε਺͕ݟ௨ͤͨΒLambdaʹ͢Δ  ͔΋͠Εͳ͍ 24 #cmdevio2016 #La

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σʔλͷऩू 25

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σʔλͷऩू • KinesisʹLambdaͰσʔλΛS3ʹஷΊΔ • ஷΊͨσʔλ͸όονͰRDS΍Redshift΁ • PullܕͰىಈ͢ΔͷͰϨίʔυ؅ཧ͕ෆཁ • Lambdaͷػೳ֦ுͱڞʹมԽ 26 #cmdevio2016 #La

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σʔλͷऩू 27 Firehoseొ৔લ #cmdevio2016 #La

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σʔλͷऩू 28 Firehoseొ৔ޙ #cmdevio2016 #La

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CloudFormation 29

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CloudFormation • https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/ template-custom-resources-lambda.html 30 #cmdevio2016 #La

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Agenda • AWS Lambdaͱ࣮຿ • ࣮຿ͰͷϢʔεέʔε • LambdaͷTips • ࣮຿ʹ૊ΈࠐΉצॴ 31

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όʔδϣχϯάͱΤΠϦΞε 32

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όʔδϣχϯάͱΤΠϦΞε • όʔδϣϯ • ಉ͡FunctionͰ΋൛͝ͱʹมΘΔARN • ΤΠϦΞε • ඥͮ͘όʔδϣϯΛมߋͰ͖ΔARN • ͜ΕΒΛ࢖ͬͯLambda FunctionΛ؅ཧ͢Δ 33 #cmdevio2016 #La

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όʔδϣχϯάͱΤΠϦΞε 34 #cmdevio2016 #La

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σϓϩΠ 35

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σϓϩΠ • ϑΝΠϧΛzipͨ͠ΞϓϦέʔγϣϯόϯυϧ Λ࡞ͬͯΞοϓϩʔυ • Functionຊମ • ґଘϥΠϒϥϦ • aws-sdk΍aws-cliΛϥοϓ͢Δͱྑ͍ 36 #cmdevio2016 #La

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σϓϩΠ 37 σϓϩΠύοέʔδʹؚΊΔϥΠϒϥϦͷऔಘ #cmdevio2016 #La

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σϓϩΠ 38 σϓϩΠύοέʔδͷΞοϓϩʔυ #cmdevio2016 #La

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σϓϩΠ • ϚωδϝϯτίϯιʔϧͰΤΠϦΞεͷ੾Γ ସ͑ 39 #cmdevio2016 #La

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؂ࢹͱϦΧόϦ 40

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؂ࢹͱϦΧόϦ • CloudWatchͰLambdaϝτϦΫεΛݟ͓ͯ͘ • ࣮ߦ݁Ռ͔Βҟৗ͕Θ͔Δͱϕετ • ҟৗ͕͋ͬͨΒϦτϥΠͰ͖ΔΑ͏ʹͯ͠  ͓͘ 41 #cmdevio2016 #La

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؂ࢹͱϦΧόϦ • Lambdaࣗମ͕མͪͨ͜ͱ͸ແ͍ • ↑ݸਓͷײ૝Ͱ͢ • ΞϓϦಉ༷ɺFunction಺ͷόά͔Βͷෆ۩߹ • ྫ֎Λर͑ͯͳ͔ͬͨɺͳͲ • ࣮ߦ݁Ռ͔Βෆ۩߹Λݕ஌ • ࣄલʹܾΊͨ௨ΓͷϦτϥΠͰରԠ 42 #cmdevio2016 #La

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Ϧϛοτ 43

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Ϧϛοτ • http://docs.aws.amazon.com/ja_jp/lambda/ latest/dg/limits.html • ࣮༻্͸ϝϞϦͱಉ࣮࣌ߦ਺ͱαΠζʹ஫ҙ • ಉظݺͼग़͠͸ௐ੔͞ΕΔͱΤϥʔ͕ฦΔ 44 #cmdevio2016 #La

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LambdaόοΫΤϯυͷฒྻ଱ੑ 45

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LambdaόοΫΤϯυͷฒྻ଱ੑ • Function͸ɺฒྻͤ͞ΒΕΔΑ͏ʹॻ͘લఏ • Lambdaࣗମ͸ྑ͍͕ɺόοΫΤϯυ͕ͦΕʹ ଱͑ΒΕͳ͍Մೳੑ͕͋Δ 46 #cmdevio2016 #La

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LambdaόοΫΤϯυͷฒྻ଱ੑ • ରࡦ1: εέʔϥϒϧͳόοΫΤϯυΛ࢖͏ • DynamoDB • ରࡦ2: ฒྻ౓Λ੍ޚ͢Δ࢓૊ΈΛೖΕΔ • FunctionΛىಈ͢ΔFunctionΛઃ͚Δ 47 #cmdevio2016 #La

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Lambdaͷඅ༻ 48

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Lambdaͷඅ༻ • Lambdaࣗମ͸֨҆ͩ͠ɺແྉ࿮͕େ͖͍ • AWSτʔλϧͰͷࢼࢉΛ͓ͯ͘͠΂͖ • ࣮ࡍͷෛՙΛ͔͚ͯྉۚͷ্͕ΓํΛݟΔ 49 #cmdevio2016 #La

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Lambdaͷඅ༻ • CloudWatch Logsͷ৔߹ • Function಺Ͱඪ४ग़ྗͨ͠಺༰͕Logsʹ  อଘ͞Εͯɺͦ͜Ͱͷ՝͕ۚൃੜ͢Δ • DynamoDBͷ৔߹ • ΩϟύγςΟ௒͑Λ๷͙৔߹͸ଟΊʹઃఆ ͢Δඞཁ͕͋Γɺͦ͜Ͱ՝͕ۚൃੜ͢Δ 50 #cmdevio2016 #La

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Agenda • AWS Lambdaͱ࣮຿ • ࣮຿ͰͷϢʔεέʔε • LambdaͷTips • ࣮຿ʹ૊ΈࠐΉצॴ 51

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ͲͷॲཧΛLambdaʹ͢Δ͔ 52

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Lambdaʹ͢Δॲཧ • ϏδωεϩδοΫҎ֎Λ୅ସ͢Δ৔߹ • ϏδωεϩδοΫΛ୅ସ͢Δ৔߹ • ӡ༻ิॿͰ࢖͏৔߹ • ఘΊΔ৔߹ 53 #cmdevio2016 #La

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ϏδωεϩδοΫҎ֎Λ୅ସ͢Δ৔߹ • αϜωΠϧ࡞੒ɺϑΥʔϚοτม׵ͳͲ • ΞϓϦέʔγϣϯͷҡ࣋ʹෆՄܽͳػೳ • LambdaԽ͠΍͍͢ॲཧ • LambdaԽͷԸܙΛड͚΍͍͢ 54 #cmdevio2016 #La

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ϏδωεϩδοΫΛ୅ସ͢Δ৔߹ • ैདྷAPIαʔό͕ߦ͍ͬͯͨॲཧΛ୅ସ͢Δ • Ұ൪ߴίετͳ෦෼͕ղܾ͢Δ • ཁ݅ʹΑͬͯ͸೉͔ͬͨ͠Γ͢Δ • Cognito΍APIGWΛซ༻͢Δ 55 #cmdevio2016 #La

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ӡ༻ิॿͰ࢖͏৔߹ • CloudFormationͷΧελϜϦιʔεɺcronͷ ୅ସͳͲ • ෆ۩߹࣌΋ൺֱతΧόʔ͠΍͍͢ͷͰಋೖ͠ ΍͍͔͢΋͠Εͳ͍ 56 #cmdevio2016 #La

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ఘΊΔ৔߹ • ࣮຿Ͱ͸Ϗδωεͷ੒ޭ͕༏ઌ͞ΕΔ͜ͱ͕ଟ͍ • ແཧʹ࢖͓͏ͱ͠ͳ͍ • Lambdaʹͩ͜ΘͬͯϏδωε͕ࣦഊͨ͠Β • ຊ຤స౗ • ఫୀ͢Δͱ͖ʹLambdaԽͷ༨஍Λ࢒͢ • LambdaରԠݴޠͰബ͍APIαʔό • όοΫΤϯυʹDynamoDB 57 #cmdevio2016 #La

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ͲͷॲཧΛLambdaԽ͢Δ͔ • ӡ༻ิॿ͔ΒॳΊͯɺϏδωεϩδοΫҎ֎ ͷ୅ସΛ໨ࢦ͢ͷ͕ྑͦ͞͏ • ΞϓϦͷ୅ସͱͯ͠࢖͏ͷ͸ෑډ͕ߴ͍ • Ϗδωε΋ߟྀ͢Δͱঘྑ͠ 58 #cmdevio2016 #La

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ෆ҆ʹඋ͑Δ 59

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ෆ҆ʹඋ͑Δ • ࣦഊΛϋϯυϦϯάͰ͖Δͱ͜ΖͰߦ͏ • ӡ༻ٕज़ͷηΧϯμϦ • ࠷ॳ͸Lambdaͷ୅ସखஈΛߟ͓͑ͯ͘ • ؂ࢹͱτϥϒϧ࣌ͷ෮چखஈΛ๨Εͳ͍ 60 #cmdevio2016 #La

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61 44 44 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ classmethod.jp

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62 45 45 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ ͋Β͔͡ΊσʔλςʔϒϧΛ࡞੒͠ VTFS@JE OBNF TDPSF EBUB XSJUFશৼΓ classmethod.jp

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63 46 46 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ ॲཧྔ $47ϑΝΠϧͷߦ਺ ΛಡΈࠐΈ VTFS@JE OBNF TDPSF EBUB XSJUFશৼΓ classmethod.jp

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64 47 47 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF ؅ཧςʔϒϧʹ ૯਺Λొ࿥͓ͯ͘͠ EBUB XSJUFશৼΓ classmethod.jp

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65 48 48 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE σʔλΛ֨ೲͨ͠Β EBUB XSJUFશৼΓ classmethod.jp

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66 49 49 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE Χ΢ϯλΛՃࢉ ΞτϛοΫΧ΢ϯλ EBUB XSJUFશৼΓ classmethod.jp

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67 50 50 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE FGHI σʔλΛ֨ೲͨ͠Β EBUB XSJUFશৼΓ classmethod.jp

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68 51 51 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE FGHI Χ΢ϯλΛՃࢉ ΞτϛοΫΧ΢ϯλ EBUB XSJUFશৼΓ classmethod.jp

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69 52 52 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE FGHI શͯͷ੒ޭΛ֬ೝͨ͠Β EBUB XSJUFશৼΓ classmethod.jp

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70 53 53 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE FGHI SFBEશৼΓʹ͢Δ EBUB SFBEશৼΓ classmethod.jp

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71 55 55 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE ΋ࣦ͠ഊͨ͠Β EBUB XSJUFશৼΓ '"*-&% 9 classmethod.jp

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72 56 56 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB VTFS@JE OBNF TDPSF BCDE ਺͸Ұக͠ͳ͍ͷͰ EBUB XSJUFશৼΓ 㱠 '"*-&% classmethod.jp

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73 57 57 ؅ཧςʔϒϧ σʔλςʔϒϧ ςʔϒϧ໊ ૯਺ ࣮੷ EBUB EBUB શͯ࡞Γ௚͢ VTFS@JE OBNF TDPSF EBUB XSJUFશৼΓ classmethod.jp

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มԽʹඋ͑Δ 74

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Lambdaػೳ௥Ճͷྺ࢙ • 2015/04/09 Ұൠެ։ • 2015/05/28 σϓϩΠύοέʔδͷS3ରԠ • 2015/06/15 JavaରԠ • 2015/07/09 APIGWରԠ • 2015/07/14 DynamoDB StreamsҰൠެ։ • 2015/10/08 Pythonɺόʔδϣϯɺ5෼ɺcron • 2016/02/11 VPCରԠ 75 http://aws.amazon.com/releasenotes/AWS-Lambda?browse=1 #cmdevio2016 #La

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มԽʹඋ͑Δ • Lambdaͷػೳ௥Ճεϐʔυ͸଎͍ • ৽ػೳͰطଘΞϓϦΛLambdaʹ  ੾Γग़ͨ͠ΓɺLambdaΛݮΒ͠ଓ͚Δ • ΞϓϦຊମͷςετ΍ྑ͍ઃܭΛҡ࣋͢Δ 76 #cmdevio2016 #La

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77 Before After #cmdevio2016 #La

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·ͱΊ 78

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·ͱΊ • ͱΓ࣮͋͑ͣ຿ʹऔΓೖΕͯΈΑ͏ • ϏδωεΛՃ଎ͤ͞Δ࢖͍ํΛ͠Α͏ • ͜ͷձ৔Ͱ૬ஊ͠Α͏ • 3FΞʔΩςΫςΟϯά • 3F͓೰Έ૬ஊࣨ • ࠙਌ձ 79 #cmdevio2016 #La