Pythonと便利ガジェット、サービス、ツールを使ってセンシング〜見える化してみよう

by Yuji Chino

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PythonͱศརΨδΣοτɺαʔϏεɺπʔϧΛ ࢖ͬͯηϯγϯάʙݟ͑ΔԽͯ͠ΈΑ͏ 1Z$PO+1 ஌໺༤ೋʢ!DIJOPQQZʣ

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͓લ୭Α ஌໺ ༤ೋ facebook : chinoppy twitter : @chinoppy0727 (ג)೔ຊγεςϜٕݚʢJSLʣ ॴଐ ௕໺ݝ௕໺ࢢʹ͋Γ·͢ ࠓ೥ͷPyCon JP 2019 ͰʮGold Sponsorʯ WebΤϯδχΞʢPython࢖ͬͯ·͢ʂʣ ۀ຿ͱϓϥΠϕʔτͰIoTͯ͠·͢ GEEKLAB.NAGANOͷ؅ཧਓ ౰͕ࣾӡӦ͢ΔίϛϡχςΟεϖʔε ௨শɿ͗ʔΒ΅ ฏ೔9:00ʙ18:00͜Ζ·Ͱ͸ແྉ։์͍ͯ͠·͢ ࡞ۀ৔ͱͯ͠΋ར༻Ͱ͖·͢ͷͰɺ͓ؾܰʹ͓ӽ͍ͩ͘͠͞

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͓લ୭Α ͗ʔΒ΅ͪΌΜ ͗ʔΒ΅ʹՃΘͬͨ৽͍͠஥ؒ ه೦඼ʹεςοΧʔ͸͍ͬͯ·͢ ࡞ɿࣾ಺ͷPython࢖͍ͷֆࢣ͞Μ

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εϥΠυɺίʔυ౳ʹ͍ͭͯ ͜ͷεϥΠυ͸ެ։͠·͢ʂ εϥΠυதͷίʔυ͸࠷খݶͷهࡌͱͳͬͯ·͢ GithubͰެ։தͰ͢ʢҰ෦ඇެ։ίʔυ͋Γʣ ηϯγϯάʢRaspberry PiΛલఏʣ https://github.com/peacemaker07/iot_making_for_raspberry_pi Ϋϥ΢υʢserverless frameworkʣ https://github.com/peacemaker07/iot_making_for_sls WebʢDjangoʣ https://github.com/peacemaker07/iot_making_for_django ※ࠓޙ΋ਵ࣌ɺߋ৽༧ఆͰ͢

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͓ئ͍ ·ͩ·ͩվળ఺΍ศརͳαʔϏεɺπʔϧ͸͍Ζ͍Ζ͋Γ·͢ ΑΓΑ͍πʔϧɺαʔϏεɺϥΠϒϥϦ͋ΔΑʂ ͦ͜ɺ͜͏ͨ͠ํ͕Α͍ͷͰ͸ʁ ͦ͜͸஌Βͳ͔ͬͨʂ ͳͲڭ͑ͯ΋Β͑Δͱ͏Ε͍͠Ͱ͢

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ηϯγϯάʙݟ͑ΔԽ ͦ΋ͦ΋ηϯγϯάͱ͸ ηϯαʔΛར༻ͯ͠෺ཧྔ΍ԻɾޫɾѹྗɾԹ౓ͳͲΛ ܭଌɾ൑ผ͢Δ͜ͱ ※ʮίτόϯΫ-ηϯγϯάͱ͸ʯ͔ΒҾ༻

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ηϯαʔ౳ ηϯγϯάʙݟ͑ΔԽ ܭଌɿσʔλͷݟ͑ΔԽ

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ηϯαʔ౳ ηϯγϯάʙݟ͑ΔԽ ؂ࢹɿผͷ৔ॴͷݟ͑ΔԽ

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ηϯγϯάʙݟ͑ΔԽ ௨஌ɿঢ়گͷݟ͑ΔԽ ηϯαʔ౳

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ηϯγϯάʙݟ͑ΔԽ ௨஌ɿঢ়گͷݟ͑ΔԽ ܭଌɿσʔλͷݟ͑ΔԽ ؂ࢹɿผͷ৔ॴͷݟ͑ΔԽ

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ن໛ খن໛ ݸਓ·ͨ͸਺ਓͰ։ൃɺӡ༻͍͚ͯ͠ΔϨϕϧ ར༻ऀ΋਺ेਓ͘Β͍Λ૝ఆ

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ηϯαʔ౳ ͍Ζ͍Ζͳٕज़ɾ஌͕ࣝඞཁ Ϋϥ΢υ Web ωοτϫʔΫ σόΠε

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ຊ೔ͷΰʔϧʂ Python σόΠεɺΫϥ΢υɺWeb͢΂ͯ࢖͑Δʂ ࠓޙɺػցֶशͳͲಋೖ࣌΋Python࢖͑Δʂ ศརͰ৴པͰ͖ΔΨδΣοτɺαʔϏεɺϥΠϒϥϦΛ࢖͏ ʮͭ͘Βͳ͍ʯʮ΍Βͳ͍ʯͰ΋Α͍αʔϏε͕ߏஙͰ͖Δ ͦͷ෼ɺࣗ෼͕ͭ͘Γ͍ͨ΋ͷʹ஫ྗͰ͖Δ εϐʔσΟʹΑ͍αʔϏε͕ϦϦʔεͰ͖Δ

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͖͔͚ͬ ೶Ոͷํ ʢݩϋʔυ԰͞Μʣ ϋ΢ε಺ͷ؀ڥσʔλऩूΛ͍ͨ͠ʂ Ͱ΋ɺΫϥ΢υʗWebΘ͔Βͳ͍ʢ>_<ʣ ௨஌ WebͰݟ͑ΔԽ ૣ͘࢖ͬͯ΋Β͏͜ͱ͕Ͱ͖ͨ ࠓ΋҆ఆՔಇதͰ͢

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͖͔͚ͬ ΧʔυΛ͔ͯ͟͠ ϫϯλονͰग़ୀۈͰ͖Δʂ ग़ୀۈ੾Γସ͑

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͖͔͚ͬ Πϕϯτ࣌ʹ։࠵෩ܠΛࣗಈTweet ௨஌

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ݟ͑ΔԽɹָ͍͠ ࠓ·Ͱؾ͕෇͔ͳ͔ͬͨ͜ͱʹؾ͕͚ͭͨΓ σʔλΛ஝ੵ͓͚ͯ͠͹ɺ͋ͱͰ෼ੳ  㱺͔ͦ͜Β·ͨ৽͍͜͠ͱ͕ݟ͑ͨΓ

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ΞδΣϯμ σόΠε Ϋϥ΢υ Web ࠷ޙʹ ίετ

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Ί͟͢΋ͷ

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Ί͟͢΋ͷ σʔλͷݟ͑ΔԽ

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Ί͟͢΋ͷ ผͷ৔ॴͷݟ͑ΔԽ

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Ί͟͢΋ͷ ঢ়گͷݟ͑ΔԽ

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ߏ੒

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ߏ੒ɿσόΠε Raspberry Pi 3 Model B Grove System Թ࣪౓ܭ Իηϯα ϕʔεϢχοτɿGrove Pi ωοτϫʔΫ ໌Δ͞ ਫ෼ηϯα Χϝϥ AWS IoT Core

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ߏ੒ɿΫϥ΢υ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service

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ߏ੒ɿWeb AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service Ϋϥ΢υଆͰઆ໌ࡁΈ Auth0

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લ൒ σόΠε ηϯγϯάσʔλͷऔಘ ωοτϫʔΫ Ϋϥ΢υ΁ૹ৴ MQTT Raspberry Pi㱺AWS IoT Core Raspberry Pi㱺SORACOM㱺AWS IoT Core Ϋϥ΢υ SORACOM㱺AWS IoT Core AWS IoT Core͔ΒAmazon DynamoDBʹσʔλอଘ

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σόΠε

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ߏ੒ Raspberry Pi 3 Model B Grove System Թ࣪౓ܭ Իηϯα ϕʔεϢχοτɿGrove Pi ωοτϫʔΫ ໌Δ͞ ਫ෼ηϯα Χϝϥ AWS IoT Core

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ηϯαɺRaspberry Pi Raspberry Pi 3 Model B Grove System Թ࣪౓ܭ Իηϯα ϕʔεϢχοτɿGrove Pi ωοτϫʔΫ ໌Δ͞ ਫ෼ηϯα Χϝϥ AWS IoT Core

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ηϯαʔ Grove System seeed studio͕ࣾ։ൃ https://www.seeedstudio.com ϕʔεϢχοτͱඪ४Խ͞ΕͨίωΫλΛඋ͍͑ͯΔ ૠ͚ͩ͢Ͱѻ͑ΔηϯαʔͳͲͷϞδϡʔϧ͕ଟ਺ PythonϥΠϒϥϦ͕͋Δʂ https://github.com/DexterInd/GrovePi/tree/master/Software/Python ࢀߟ : http://wiki.seeedstudio.com/Grove_System/ ͸Μ͚ͩͮɺ഑ઢͷඞཁ͕ͳ͘PythonϥΠϒϥϦ΋͋Δ

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ηϯαʔ ϕʔεϢχοτɿGrove Pi ඪ४Խ͞ΕͨίωΫλͱηϯα

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ηϯαʔ ૠ͚ͩ͢ͰηοτΞοϓ׬ྃʂ Interface Digital Grove Analog Grove UART Grove I2C Sensor Թ࣪౓ ໌Δ͞ ਫ෼ Ի LED Ϙλϯ LCD 100छྨҎ্͋Δ

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ϚΠίϯʗίϯϐϡʔλ Raspberry Pi γϯάϧϘʔυίϯϐϡʔλ ΋ͱ΋ͱڭҭΛ૝ఆ੍ͯ͠࡞ ࢖༻Ϟσϧɿ3 Model B 3͔ΒແઢLAN౥ࡌ 3͔ΒBluetoothඪ४౥ࡌ ͜Εʹͱ΋ͳ͍UART௨৴஫ҙ ࢀߟɿPi 3 serial Issues https://www.raspberrypi.org/forums/ viewtopic.php? f=63&t=151454#p993901 OS Raspbian https://www.raspberrypi.org/downloads/ raspbian/ Stretch Lite

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σδλϧɿԹ࣪౓ܭ I2Cɿ໌Δ͞ ΞφϩάɿԻͷେ͖͞ ΧϝϥɿࡱӨ ϥΠϒϥϦΛ࢖ͬͯσʔλΛऔಘ

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σδλϧ >>> import grovepi >>> >>> sensor = 4 # The Sensor goes on digital port 4. >>> blue = 0 # The Blue colored sensor. >>> white = 1 # The White colored sensor. >>> >>> grovepi.dht(sensor, white) [32.4, 44.0] # Թ౓, ࣪౓ >>> Թ࣪౓Λऔಘ http://wiki.seeedstudio.com/Grove-TemperatureAndHumidity_Sensor/ ʲblue : Temperature&Humidity Sensorʳ ϚΠφεͷԹ౓͕ଌΕͳ͍ ͍͚҆Ͳਫ਼౓͸ѱ͍ 820ԁ ʲwhite : Temperature&Humidity Sensor proʳ ϚΠφεͷԹ౓͕ଌΕΔ blueΑΓߴ͍͕ਫ਼౓͕Α͍ 2,095ԁ

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I2C $ $ cd [yourpath]/GrovePi/Software/Python/grove_i2c_digital_light_sensor $ pwd [yourpath]/GrovePi/Software/Python/grove_i2c_digital_light_sensor # αϯϓϧιʔε΋ॆ࣮ $ python grove_i2c_digital_light_sensor.py Lux: 72 [Vis+IR=570, IR=276 @ Gain=1x, Timing=402.0ms] Lux: 72 [Vis+IR=570, IR=276 @ Gain=1x, Timing=402.0ms] ɾɾɾ ໌Δ͞Λऔಘ http://wiki.seeedstudio.com/Grove-Digital_Light_Sensor/ Digital Light Sensor

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Ξφϩά >>> import grovepi >>> >>> loudness_sensor = 0 >>> grovepi.analogRead(loudness_sensor) 124 >>> Իηϯα http://wiki.seeedstudio.com/Grove-Loudness_Sensor/ Loudness Sensor

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Χϝϥ >>> from picamera import PiCamera >>> >>> camera = PiCamera() >>> >>> camera.start_preview() >>> >>> # ࡱӨ >>> camera.capture('./sample.jpg') >>> >>> camera.stop_preview() >>> camera.close() ࡱӨ 3BTQCFSSZ1J$BNFSB.PEVMF7ΧϝϥϞδϡʔϧ

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ηϯα౳ͷσʔλऔಘ׬ྃʂ Raspberry Pi 3 Model B Grove System Թ࣪౓ܭ Իηϯα ϕʔεϢχοτɿGrove Pi ωοτϫʔΫ ໌Δ͞ ਫ෼ηϯα Χϝϥ AWS IoT Core આ໌ࡁΈ

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ωοτϫʔΫɺΫϥ΢υ΁ૹ৴ Raspberry Pi 3 Model B Grove System Թ࣪౓ܭ Իηϯα ϕʔεϢχοτɿGrove Pi ωοτϫʔΫ ໌Δ͞ ਫ෼ηϯα Χϝϥ AWS IoT Core આ໌ࡁΈ

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SORACOM IoT ϓϥοτϑΥʔϜ MVNO ͱͯ͠σʔλ௨৴ SIM Λఏڙ ϞόΠϧ௨৴ͱΫϥ΢υΛҰ؏ͯ͠ఏڙ ࢀߟɿ https://soracom.jp/overview/ ωοτϫʔΫ ωοτϫʔΫɺηΩϡϦςΟΛ͓·͔ͤʂ

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 AWS IoT Core Raspberry Pi 㱺 SORACOM 㱺 AWS IoT Core AWS IoT Core AWS IoT Core

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MQTT Message Queuing Telemetry Transportͷུ Pub/Subܕσʔλ഑৴Ϟσϧ ඇྗͳσόΠε΍ωοτϫʔΫ͕ෆ҆ఆͳ৔ॴͰ΋ಈ࡞͠΍͢ ͍Α͏ʹϝοηʔδిจ͕ܰྔʹઃܭ͞Ε͍ͯΔ ࢀߟɿ΢ΟΩϖσΟΞʮMQ Telemetry Transportʯ ɹɹɿhttps://tech-blog.optim.co.jp/entry/2019/08/20/163000

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MQTT HTTP ΫϥΠΞϯτA ϦΫΤετ αʔό Ϩεϙϯε ΫϥΠΞϯτ͕αʔόʹϦΫΤετ αʔό͕ͦΕʹ͋ͬͨϨεϙϯεΛฦ٫͢Δ

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MQTT ϒϩʔΧʔ ʢதܧऀʣ MQTT ΫϥΠΞϯτA ΫϥΠΞϯτB ΞΫλʔ ύϒϦογϟʔʢൃߦऀʣ αϒεΫϥΠόʔʢߪಡऀʣ ϒϩʔΧʔʢதܧऀʣ ϝοηʔδͷ఻ૹ ϝοηʔδΛൃߦʢૹ৴ʣ͢ΔɿPublish ϝοηʔδͷߪಡʢड৴ʣΛొ࿥͢ΔɿSubscribe ϝοηʔδͷΩʔɿtopic

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MQTT ϒϩʔΧʔ ʢதܧऀʣ σʔλΛड͚औΓɺ ֘౰͢Δߪಡऀ΁ σʔλΛ఻ૹ MQTT ΫϥΠΞϯτA ΫϥΠΞϯτB ΫϥΠΞϯτ͸ʮϒϩʔΧʔʯΛ௨ͯ͠ɺϝοηʔδͷ΍ΓͱΓΛ͢Δ ϒϩʔΧʔ͸ɺΫϥΠΞϯτ͔Βૹ৴͞ΕͨσʔλΛ  ͦͷtopicΛαϒεΫϥΠϒ͍ͯ͠ΔΫϥΠΞϯτ΁ૹΔ ʲPublishʳ topicɿenvironment/ ʲSubscribeʳ topicɿenvironment/ ΫϥΠΞϯτC ʲSubscribeʳ topicɿenvironment/ ΫϥΠΞϯτD

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MQTT ϒϩʔΧʔ ʢதܧऀʣ σʔλΛड͚औΓɺ ֘౰͢Δߪಡऀ΁ σʔλΛ఻ૹ MQTT ΫϥΠΞϯτA ΫϥΠΞϯτB ʲPublishʳ topicɿenvironment/ ʲSubscribeʳ topicɿenvironment/ ΫϥΠΞϯτC ʲSubscribeʳ topicɿenvironment/ ϒϩʔΧʔ͸͋Δఔ౓ɺPublish͞ΕͨϝοηʔδΛอ࣋Ͱ͖Δ ΫϥΠΞϯτD ʲSubscribeʳ topicɿenvironment/

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MQTT ࠓޙɺهࡌͷʮMQTTʯ͸ํࣜͷҙຯͰ͸ͳ͘ ϓϩτίϧΛද͠·͢ MQTTʹϙʔτ 1883ʢΠϝʔδͱͯ͠͸HTTP:80ʣ MQTTSʹϙʔτ 8883ʢΠϝʔδͱͯ͠͸HTTPS:443ʣ AWS IoT Core͕ϒϩʔΧʔͷ໾ׂΛͯ͘͠Ε·͢ʂ AWS IoT Core

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 AWS IoT Core Raspberry Pi 㱺 SORACOM 㱺 AWS IoT Core AWS IoT Core AWS IoT Core MQTTS MQTT

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 AWS IoT Core ४උ AWS IoT ͷSDKͷΠϯετʔϧ https://docs.aws.amazon.com/ja_jp/iot/latest/developerguide/iot-sdks.html#iot-python-sdk σόΠεূ໌ॻΛσόΠεଆʹ഑ஔ SDK σόΠεূ໌ॻ AWS IoT Core MQTTS

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 AWS IoT Core αϯϓϧίʔυ͔Βൈਮ https://github.com/aws/aws-iot-device-sdk-python/blob/master/samples/basicPubSub/basicPubSub.py ɾɾɾʢলུʣ from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTClient ɾɾɾʢলུʣ # Read in command-line parameters parser = argparse.ArgumentParser() parser.add_argument("-e", "--endpoint", action="store", required=True, dest="host", help="Your AWS IoT custom endpoint") ɾɾɾʢলུʣ # Init AWSIoTMQTTClient myAWSIoTMQTTClient = AWSIoTMQTTClient(clientId) myAWSIoTMQTTClient.configureEndpoint(host, port) myAWSIoTMQTTClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath) ɾɾɾʢলུʣ # AWSIoTMQTTClient connection configuration myAWSIoTMQTTClient.configureAutoReconnectBackoffTime(1, 32, 20) myAWSIoTMQTTClient.configureOfflinePublishQueueing(-1) # Infinite offline Publish queueing ɾɾɾʢ࣍ͷϖʔδ΁ʣ ᶃ ূ໌ॻ౳ͷಡΈࠐΈ ᶄΫϥΠΞϯτͷॳظԽ ᶅ઀ଓͷઃఆ౳

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 AWS IoT Core αϯϓϧίʔυ͔Βൈਮ https://github.com/aws/aws-iot-device-sdk-python/blob/master/samples/basicPubSub/basicPubSub.py ɾɾɾʢଓ͖ʣ # Connect and subscribe to AWS IoT myAWSIoTMQTTClient.connect() ɾɾɾʢলུʣ # Publish to the same topic in a loop forever message = {} message['message'] = args.message messageJson = json.dumps(message) # Connect and subscribe to AWS IoT myAWSIoTMQTTClient.publish(topic, messageJson, 1) ɾɾɾʢলུʣ ᶆAWS IoT Core΁઀ଓ ᶇૹ৴σʔλ४උ ᶈpublishʂʂʂ

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 AWS IoT Core Raspberry Pi㱺 SORACOM 㱺 AWS IoT Core AWS IoT Core AWS IoT Core MQTTS MQTT આ໌ࡁΈ

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 SORACOM 㱺 AWS IoT Core σόΠεଆͰઆ໌ Ϋϥ΢υଆͰઆ໌ MQTT AWS IoT Core

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 SORACOM ४උ PythonͷMQTTϥΠϒϥϦͷΠϯετʔϧ Paho-mqttΛ࢖༻ https://pypi.org/project/paho-mqtt/ SORACOM Air SIM ࠓճ͸ηϧϥʔΛ࢖༻ USBυϯάϧ ͜ͷதʹSIMΛ͍ΕͯRaspberry Piʹૠ͢ʂ ※υϯάϧͷઃఆʹؔͯ͠͸Githubࢀর MQTT

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Ϋϥ΢υ΁ૹ৴ Raspberry Pi 㱺 SORACOM σόΠεূ໌ॻ SDK ௚઀ɺAWS΁ૹ৴͢Δͱ͖ͱͷҧ͍ σόΠεূ໌ॻΛஔ͘ඞཁ͕ͳ͍ SDKෆཁ Ϋϥ΢υʹґଘ͠ͳ͍ίʔυ͕ॻ͚Δ MQTT

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Ϋϥ΢υ΁ૹ৴ import json import time import paho.mqtt.client as mqtt host = 'beam.soracom.io' port = 1883 topic = 'environment' # ॳظԽ client = mqtt.Client(protocol=mqtt.MQTTv311) client.connect(host, port=port, keepalive=60) time.sleep(5) # ૹ৴σʔλ json_dict = { 'temp': 34, 'humi': 45, } # ηϯγϯά৘ใΛૹ৴ result = client.publish(topic, json.dumps(json_dict), qos=1) client.disconnect() Raspberry Pi 㱺 SORACOM ᶃ ΫϥΠΞϯτॳظԽ ᶄSORACOM΁઀ଓ ᶅૹ৴σʔλ४උ ᶆpublishʂʂʂ

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Ϋϥ΢υ΁ૹ৴׬ྃʂ Raspberry Pi 㱺 AWS IoT Core Raspberry Pi 㱺 SORACOM 㱺 AWS IoT Core AWS IoT Core AWS IoT Core MQTTS MQTT આ໌ࡁΈ

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ηϯα͔ΒͷσʔλऔಘɺωοτϫʔΫ  Ϋϥ΢υ΁ͷૹ৴׬ྃʂ Raspberry Pi 3 Model B Grove System Թ࣪౓ܭ Իηϯα ϕʔεϢχοτɿGrove Pi ωοτϫʔΫ ໌Δ͞ ਫ෼ηϯα Χϝϥ AWS IoT Core આ໌ࡁΈ

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σόΠε·ͱΊ ϋʔυۤखɾϓϩτλΠϐϯά Grove System, Sense HAT Wiﬁ؀ڥ͕ͳ͍ SORACOM࢖ͬͯΈ͍ͯͩ͘͞ ※SORACOMͷγεςϜ͸AWS಺Ͱ͕͢ศ্ٓɺ෼͚ͯॻ͍ͯ͋Γ·͢ Sense HAT

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Ϋϥ΢υ

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ߏ੒ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service

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SORACOM 㱺 AWS IoT Core΁ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service

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SORACOMͷαʔϏεͰసૹ SORACOM 㱺 AWS IoT Core Beam ҉߸Խͯ͠ σʔλΛసૹͯ͘͠ΕΔ ূ໌ॻ͸SORACOM΁ ొ࿥ͯ͠ઃఆ࣌ʹࢦఆ͢Δ AWS IoT Core Funnel σʔλΛಛఆͷΫϥ΢υαʔϏε΁௚઀సૹ͢ΔαʔϏε MQTT MQTTS

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SORACOMͷαʔϏεͰసૹ SORACOM 㱺 AWS IoT Core SORACOMͷίϯιʔϧ͔Β సૹઌ͸ม͑ΒΕΔʂ

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SORACOMͷαʔϏεͰసૹ SORACOM 㱺 AWS IoT Core SORACOMͷίϯιʔϧ͔Β సૹઌ͸ม͑ΒΕΔʂ

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SORACOM㱺AWS IoT Core΁ૹ৴׬ྃʂ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service આ໌ࡁΈ

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AWS IoT Core ͔ΒAmazon DynamoDBʹσʔλอଘ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service આ໌ࡁΈ

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AWS IoT Core͔ΒAmazon DynamoDBʹσʔλอଘ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT rule ಛఆͷtopicΛड৴ͨ͠Βޙड़ ͷactionΛ࣮ߦ IoT action DynamoDBͷςʔϒϧ΁σʔλ Λొ࿥ LambdaΛ࣮ߦ ͳͲෳ਺ͷΞΫγϣϯΛα ϙʔτ͍ͯ͠Δ ࢀߟɿAWS IoT ϧʔϧΞΫγϣϯ https://docs.aws.amazon.com/ ja_jp/iot/latest/developerguide/ iot-rule-actions.html IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service

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AWS IoT Core͔ΒAmazon DynamoDBʹσʔλอଘ σόΠε͔ΒૹΒΕ͖ͯͨσʔλ { “imsi": XXXX, “timestamp": 1565276403000, “air_quality”: 83, “humi": 41.8, “loudness": 88, “lux": 35, “temp": 25.3, } IoT action IoT rule

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AWS IoT Core͔ΒAmazon DynamoDBʹσʔλอଘ΋׬ྃ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service IoT action IoT rule આ໌ࡁΈ આ໌ࡁΈ

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σʔλΛΫϥ΢υ·ͰอଘͰ͖·ͨ͠ ٳܜɾɾɾ

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௥Ճ৘ใɿSigfoxʢγάϑΥοΫεʣ ෹ࠃSigfox͕ࣾఏڙ͢ΔLPWAωοτϫʔΫ LPWAʹLow Power Wide Area ௿Ձ֨ɾ௿ফඅిྗɾ௕ڑ཭఻ૹ͕ಛ௃ ηϯαʔ౳ ੍ݶ 1ճͷ࠷େૹ৴ྔ͸12όΠτ 1೔Ͱૹ৴Ͱ͖Δճ਺ʢ্Γ140ճ/೔˞ɺԼΓ4ճ/೔ʣ ※໿10෼ʹ1ճϖʔε

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௥Ճ৘ใɿSigfoxʢγάϑΥοΫεʣ Sens’it https://soracom.jp/products/sigfox/sensit/ Sigfoxʹ઀ଓՄೳͳηϯα಺ଂσόΠε Թ࣪౓ɺর౓ηϯαʔɺৼಈݕ஌ͳͲ಺ଂ όοςϦʔ಺ଂ ௨৴ྉ͕ʮ1,440ԁʗ೥ʯ ߪೖͯ͠ɺಈ࡞ϞʔυΛબ୒͢Ε͹উखʹσʔλૹ৴͕࢝·Δ ϦΞϧλΠϜੑ͕ͳ͍ɺిݯ͕ͳ͍৔ॴͰܭଌ͍ͨ͠ ϋ΢ε಺Ͱ࢖༻தɿόοςϦʔ͸͍͍ͩͨ2िؒ͘Β͍΋͍ͬͯΔ

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ޙ൒ Ϋϥ΢υͷଓ͖ Web ίετ

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ޙ൒ Ϋϥ΢υ ߏ੒؅ཧπʔϧ ઃఆ৘ใͷอ࣋ Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ ؂ࢹ ࣸਅΛࡱͬͯTwitter΁౤ߘ͢Δ ௨஌ Թ౓͕ᮢ஋Ҏ্ʹͳͬͨΒ௨஌͢Δ

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͍Ζ͍ΖͳαʔϏεΛ࢖͍·͢ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda AWS Identity and Access Management Permisions Role Amazon API Gateway Amazon Simple Storage Service

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serverless framework https://serverless.com/framework/ Node.jsΛར༻ͨ͠serverlessΛߏஙɺ؅ཧɺσϓϩΠ౳ΛͰ͖Δπʔ ϧ yamlʹߏங಺༰Λهࡌ͢Ε͹ίϚϯυҰൃͰσϓϩΠ AWSɺGCPɺAzureͳͲʹ΋ରԠ AWS Lambda PythonͷϥΠϒϥϦ΋ҰॹʹzipԽͯ͠σϓϩΠ docker-lambdaΠϝʔδΛ࢖ͬͯ  ίϯύΠϧޙʹσϓϩΠ΋ͯ͘͠ΕΔ ߏ੒؅ཧπʔϧ ྨࣅαʔϏε AWS SAM https://aws.amazon.com/jp/serverless/sam/ serverless ༻ʹCloudFormationΛ֦ுͨ͠AWSαʔϏε AWSͷΈ࢖༻Ͱ͋Ε͹ɺͪ͜Β΋ݕ౼ͯ͠Έ͍ͯͩ͘͞

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ઃఆ৘ใͷอ࣋ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service આ໌ࡁΈ આ໌ࡁΈ

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ઃఆ৘ใͷอ࣋ Device ShadowαʔϏε https://docs.aws.amazon.com/ja_jp/iot/latest/developerguide/iot-device-shadows.html AWS IoT CoreͱσόΠεؒΛJSONͰ΍ΓͱΓʢGET/UPDATEʣ͕Ͱ͖Δ ͜ͷJSONʹσόΠεͷʮઃఆ৘ใʯ΍ʮঢ়ଶʯΛ΋͓ͬͯ͘ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } }

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ઃఆ৘ใͷอ࣋ Device ShadowαʔϏε ηΫγϣϯ desiredɿΫϥ΢υ͔Βͷཁٻ reportedɿσόΠεͷঢ়ଶ deltaɿΫϥ΢υͱσόΠεͷࠩ෼ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } }

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σόΠεଆ cronͰຖਖ਼࣌ɺ5෼͝ͱىಈ ىಈ͝ͱDevice ShadowΛࢀর Device Shadow ૹ৴ִؒʢintervalʣ 5෼㱺10෼ִؒʹมߋ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 # 10෼ִؒ } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ

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Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ

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AWS IoT Core Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ Device Shadowͷऔಘ Ϋϥ΢υ σόΠε GETཁٻ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } }

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AWS IoT Core Ϋϥ΢υ σόΠε JSONΛड͚औΔ GETཁٻ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ Device Shadowͷऔಘ

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AWS IoT Core Թ౓Λૹ৴ Ϋϥ΢υ σόΠε JSONΛड͚औΔ GETཁٻ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } ݱࡏ࣌ࠁ 11 : 40 㱺Թ౓Λૹ৴ Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ

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AWS IoT Core Device Shadow ߋ৽ Ϋϥ΢υ σόΠε JSONΛड͚औΔ GETཁٻ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } ݱࡏ࣌ࠁ 11 : 40 㱺Թ౓Λૹ৴ UPDATEཁٻ ૹ৴σʔλ { "reported": { "sensor": { "interval": 10 } }, } Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ

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AWS IoT Core Ϋϥ΢υ σόΠε JSONΛड͚औΔ GETཁٻ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ # ͕ͳ͘ͳΔʂ } Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "sensor": { "interval": 10 } } } ݱࡏ࣌ࠁ 11 : 40 㱺Թ౓Λૹ৴ UPDATEཁٻ ૹ৴σʔλ { "reported": { "sensor": { "interval": 10 } }, } Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ Device Shadow ߋ৽

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AWS IoT Core Ϋϥ΢υ σόΠε GETཁٻ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ # ͕ͳ͘ͳΔʂ } Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ Device Shadow औಘ MQTT Ͱ΍ΓͱΓ͍ͯ͠Δ

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AWS IoT Core Ϋϥ΢υ σόΠε JSONΛड͚औΔ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 5 } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ # ͕ͳ͘ͳΔʂ } Թ౓Λຖਖ਼࣌ɺΫϥ΢υ΁ૹΔ Device Shadow औಘ Subscribe GETཁٻʢPublishʣ MQTT Ͱ΍ΓͱΓ͍ͯ͠Δ

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ઃఆ৘ใͷอ࣋ subscribe import paho.mqtt.client as mqtt ɾɾɾ def on_connect(client, userdata, flags, respons_code): # ϒϩʔΧʔʹ઀ଓͰ͖ͨΒαϒεΫϥΠϒ client.subscribe(topic) def on_message(client, userdata, msg): # ϝοηʔδड৴ʢDevice Shadow͔Βͷσʔλड৴ʣ࣌ json_str = msg.payload.decode(encoding='utf-8') client.disconnect() client = mqtt.Client(protocol=mqtt.MQTTv311) # callbackΛొ࿥ client.on_connect = on_connect client.on_message = on_message # ઀ଓ client.connect(host, port=port, keepalive=60) # ଴ͪड͚ঢ়ଶʹ͢Δ client.loop_forever() Device Shadow ͔Βड৴ͨ͠σʔλ 㱺͜ΕΛ࢖͍͍ͨʂ on_messageΛcallback ొ࿥͢Δ ※ຊίʔυ͸paho-mqtt࢖༻࣌ͷྫ ※AWS IoT SDK࢖༻࣌͸SDKͷϝιουΛ࢖༻ͯ͠Device Shadowͱ΍ΓͱΓ͠·͢

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ઃఆ৘ใͷอ࣋ subscribe import paho.mqtt.client as mqtt ɾɾɾ @app.task def run_subscribe(host, port, topic): redis_client = RedisClient() def on_connect(client, userdata, flags, respons_code): client.subscribe(topic) def on_message(client, userdata, msg): json_str = msg.payload.decode(encoding='utf-8') redis_client.set('token', json_str) client.disconnect() redis_client.delete('token') client = mqtt.Client(protocol=mqtt.MQTTv311) client.on_connect = on_connect client.on_message = on_message client.connect(host, port=port, keepalive=60) # ଴ͪड͚ঢ়ଶʹ͢Δ client.loop_forever() Device Shadow ͔Βड৴ͨ͠σʔλ 㱺Redisʹset PythonͷඇಉظϥΠϒϥϦ CeleryΛ࢖༻ͯ͠λεΫԽ ※ຊίʔυ͸paho-mqtt࢖༻࣌ͷྫ ※AWS IoT SDK࢖༻࣌͸SDKͷϝιουΛ࢖༻ͯ͠Device Shadowͱ΍ΓͱΓ͠·͢

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ઃఆ৘ใͷอ࣋ subscribe + publishʢGETཁٻʣ import paho.mqtt.client as mqtt ɾɾɾ redis_client = RedisClient() # αϒεΫϥΠϒͷඇಉظλεΫ࣮ߦ result_sub = tasks_mqtt.run_subscribe.delay(ɾɾɾ) # publishʢGETཁٻʣ client = mqtt.Client(protocol=mqtt.MQTTv311) client.connect(host, port=port, keepalive=60) result = client.publish(topic, json.dumps(json_dict), qos=1) # αϒεΫϥΠϒͷඇಉظλεΫऴྃ଴ͪ while not result_sub.ready(): time.sleep(1) # Device ShadowΛऔಘ value = redis_client.get('token') payload_str = value.decode(encoding='utf-8') # Թ౓Λpublish # Device ShadowΛߋ৽ʢupdateͷτϐοΫʹpublishʣ Redis͔ΒDevice Shadow ͷσʔλΛऔಘ subscribeͷλεΫΛ࣮ߦ publishʂʂʂ ※ຊίʔυ͸paho-mqtt࢖༻࣌ͷྫ ※AWS IoT SDK࢖༻࣌͸SDKͷϝιουΛ࢖༻ͯ͠Device Shadowͱ΍ΓͱΓ͠·͢ αϒεΫϥΠϒͷ λεΫऴྃ଴ͪ

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ઃఆ৘ใͷอ࣋·ͱΊ σόΠεଆʹઃఆ஋Λอ࣋͠ͳ͍ ·ͨ͸ɺΫϥ΢υ͔Βड͚औͬͨ΋ͷΛอ࣋͢Δ͚ͩ Ϋϥ΢υଆΛࢀর͢Ε͹σόΠεͷઃఆ͕Θ͔Δ Webϖʔδ͔ΒΫϥ΢υܦ༝Ͱઃఆ஋ͷมߋ͕Ͱ͖Δ

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ঢ়ଶͷมߋ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service આ໌ࡁΈ આ໌ࡁΈ ৄࡉ͸  Appendixࢀর

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ঢ়ଶͷมߋ ঢ়ଶͷมߋͷ൑ఆ΋Ϋϥ΢υଆͰߦ͍ࢦࣔ σόΠεଆ͸ͦͷࢦࣔͰಈ͚ͩ͘ σόΠεଆ͸ηϯγϯάσʔλΛૹΔ͚ͩ σόΠεଆͷίʔυ͕୯७ʹͳΔ

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؂ࢹ AWS IoT Core AWS Lambda Amazon DynamoDB Amazon Simple Storage Service AWS Lambda Amazon API Gateway આ໌ࡁΈ આ໌ࡁΈ

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AWS IoT Core ؂ࢹ ࣸਅΛࡱͬͯTwitter΁౤ߘ͢Δ Ϋϥ΢υ σόΠε ը૾Λૹ৴ Amazon Simple Storage Service TriggerͰ LambdaΛىಈ ࡱӨ

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AWS IoT Core ؂ࢹ ࣸਅΛࡱͬͯTwitter΁౤ߘ͢Δ Ϋϥ΢υ σόΠε ը૾Λૹ৴ Amazon Simple Storage Service TriggerͰ LambdaΛىಈ ࡱӨ ͲͷΑ͏ʹ Tweet͍ͯ͠Δ͔

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؂ࢹ ࣸਅΛࡱͬͯTwitter΁౤ߘ͢Δ url_media = "https://upload.twitter.com/1.1/media/upload.json" url_text = "https://api.twitter.com/1.1/statuses/update.json" CK = os.getenv('TWITTER_CONSUMER_KEY') ɾɾɾʢলུʣ twitter = OAuth1Session(CK, CS, AT, ATS) # S3΁อଘ͞Εͨը૾Λऔಘ bucket_name = event['Records'][0]['s3']['bucket']['name'] object_key = event['Records'][0]['s3']['object']['key'] response = s3.get_object(Bucket=bucket_name, Key=object_key) body = response['Body'].read() # ը૾Λpost files = {"media": body} req_media = twitter.post(url_media, files=files) media_id = json.loads(req_media.text)['media_id'] # tweet jst = timezone(timedelta(hours=+9), 'JST') now = datetime.now(jst) params = {"status": "{} XXXXXX ษڧձ։࠵த ษڧத #glnagano" .format(now.strftime(“%Y/%m/%d %H:%M")), "media_ids": [media_id]} req_text = twitter.post(url_text, params=params) ը૾Λऔಘ Twitter΁ը૾Λpost Twitter΁Tweet

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؂ࢹ·ͱΊ ࣸਅΛࡱͬͯTwitter΁౤ߘ͢Δ Twitter΁ͷૹ৴͸ɺʮγʔΫϨοτΩʔʯʮτʔΫϯʯͳͲ͕ඞཁ Ϋϥ΢υଆͰTweet͢ΔͷͰΫϥ΢υଆͰΩʔ͕؅ཧͰ͖Δ ஫ҙ AWS IoT CoreͰ΍ΓͱΓͰ͖Δσʔλྔ͸128KB·Ͱ https://docs.aws.amazon.com/ja_jp/general/latest/gr/aws_service_limits.html#iot-protocol-limits ࡱӨ࣌ʹը૾ղ૾౓Λམͱ͢ Ұ࣌తͳτʔΫϯΛAWS IoTܦ༝Ͱऔಘ͠ɺ  σόΠε͔Β௚઀S3΁ΞοϓϩʔυͳͲ ϥʔδσʔλΞοϓϩʔυύλʔϯ https://www.slideshare.net/AmazonWebServicesJapan/aws-black-belt-online-seminar-2017-iot#37

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௨஌ AWS IoT Core AWS Lambda Amazon DynamoDB Amazon Simple Storage Service AWS Lambda Amazon API Gateway આ໌ࡁΈ આ໌ࡁΈ આ໌ࡁΈ આ໌ࡁΈ LINE Notifyͷઆ໌͸  Appendixࢀর

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AWS IoT Core ௨஌ Թ౓͕ᮢ஋Ҏ্ʹͳͬͨΒ௨஌͢Δ Ϋϥ΢υ σόΠε Թ౓Λૹ৴ LambdaΛ࣮ߦ ᮢ஋ΛνΣοΫͯ͠ ֤αʔϏε΁௨஌

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AWS IoT Core ௨஌ Թ౓͕ᮢ஋Ҏ্ʹͳͬͨΒ௨஌͢Δ Ϋϥ΢υ σόΠε Թ౓Λૹ৴ LambdaΛ࣮ߦ ᮢ஋ΛνΣοΫͯ͠ ֤αʔϏε΁௨஌ ͲͷΑ͏ʹ ૹ৴͍ͯ͠Δ͔

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import ssl import slackweb class Slack: slack_webhook_url = '[slackͰऔಘͨ͠webhookͷURL]' @staticmethod def notify(slack_url, message): ssl._create_default_https_context = ssl._create_unverified_context slack = slackweb.Slack(url=slack_url) slack.notify(text=message, username="notify", icon_emoji=":bell:") # slack΁௨஌ Slack.notify(Slack.slack_webhook_url, 'Թ౓͕30౓Ҏ্Ͱ͢ʂ') ௨஌ Թ౓͕ᮢ஋Ҏ্ʹͳͬͨΒ௨஌͢Δ Slack΁௨஌ʂ

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import requests class LineNotify: @classmethod def notify(cls, message): payload = {'message': message} res = cls._requests(payload) return res @classmethod def _requests(cls, payload): url = 'https://notify-api.line.me/api/notify' access_token = '[ΞΫηετʔΫϯ]' headers = {'authorization': 'Bearer {}'.format(access_token)} res = requests.post(url, headers=headers, params=payload) return res # LINE Notifyʹ௨஌ LineNotify.notify('Թ౓͕30౓Ҏ্Ͱ͢ʂ') ௨஌ Թ౓͕ᮢ஋Ҏ্ʹͳͬͨΒ௨஌͢Δ LINE Notifyʹ௨஌ʂ

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௨஌·ͱΊ ؆୯ʹଞαʔϏε΁௨஌Ͱ͖ΔϥΠϒϥϦɺαʔϏε͕͋Δʂ LINE NotifyΛ͔͖͔͚ͭͬͨͬ ೶Ոͷํ͔Βɺϋ΢εͷԹ౓͕ҰఆҎ্orҎԼʹͳͬͨΒ௨஌ͯ͠΄͍͠ slack஌Βͳ͍ LINE͸࢖༻͍ͯ͠Δͻͱ͕ଟ͍ʂ

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σʔλอଘɺ؂ࢹɺ௨஌͕Ͱ͖·ͨ͠ʂ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service આ໌ࡁΈ

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Ϋϥ΢υ·ͱΊ ߏ੒؅ཧπʔϧΛ࢖༻͢Δ͜ͱʹΑΓ Ϋϥ΢υͷߏ੒ΛϑΝΠϧͰ؅ཧʹόʔδϣϯ؅ཧ΋Ͱ͖Δ ίϚϯυҰൃͰߏங

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Ϋϥ΢υ·ͱΊ ઃఆ৘ใͷอ࣋ɺঢ়ଶͷมߋɺ؂ࢹɺ௨஌ ͳΔ΂͘Ϋϥ΢υଆͰߦ͏ σόΠε͸ͦͷࢦࣔʹै͏͚ͩʗσʔλΛૹΔ͚ͩ Ϋϥ΢υ͔Β࿈ܞͰ͖ΔαʔϏεɺΨδΣοτ͕૿͑ͨʂʂʂ Ϋϥ΢υଆͰ৘ใΛอ͓࣋ͯ͘͜͠ͱʹΑΓ࿈ܞָ͕ twilioɺkintoneɺεϚʔτϗʔϜΩοτɺεϚʔτϐʔΧʔͳͲ Ϋϥ΢υଆͰʮ΍Δʯ͜ͱΛҙࣝ͢Δͱ͍Ζ͍Ζͱ޾ͤʹͳΔʂ

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Web

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ޙ൒ Web Amazon API GatewayͰσʔλΛެ։ ΞΫηε੍ݶ WebϖʔδͰάϥϑɺදΛදࣔ

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ߏ੒ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service Ϋϥ΢υଆͰઆ໌ࡁΈ Auth0

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ޙ൒ Web Amazon API GatewayͰσʔλΛެ։ ΞΫηε੍ݶ WebϖʔδͰάϥϑɺදΛදࣔ

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APIͰηϯαͷσʔλΛެ։ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service Ϋϥ΢υଆͰઆ໌ࡁΈ Auth0 ΦʔιϥΠβʔɾ Auth0ͷৄࡉ͸  Appendixࢀর

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ΞΫηε੍ݶ ࠓճ͸Amazon API Gateway + AWS LambdaͰσʔλΛެ։ Amazon API GatewayͷΞΫηε੍ݶ https://docs.aws.amazon.com/ja_jp/apigateway/latest/developerguide/apigateway- control-access-to-api.html ࠓճ͸ʮAPI Gateway Lambda ΦʔιϥΠβʔʯΛ࢖༻ https://docs.aws.amazon.com/ja_jp/apigateway/latest/developerguide/ apigateway-use-lambda-authorizer.html τʔΫϯͷੜ੒ɺೝূ౳͸Auth0Λ࢖༻

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ࣗલͰϓϥοτϑΥʔϜΛߏங͢Δඞཁ͕ͳ͍ ΞΫηε੍ݶ Auth0 https://auth0.com/jp/ WebɺϞόΠϧɺ͓ΑͼϨΨγʔΞϓϦέʔγϣϯ޲͚ͷ  ϢχόʔαϧೝূɾೝՄϓϥοτϑΥʔϜΛఏڙ

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ΞΫηε੍ݶ Auth0Λར༻ Amazon API Gateway Auth0 ϦΫΤετલʹ τʔΫϯऔಘ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ϦΫΤετͷ τʔΫϯΛೝূ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ

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APIͰηϯαͷσʔλΛެ։·Ͱ׬ྃʂ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service Ϋϥ΢υଆͰઆ໌ࡁΈ Auth0 આ໌ࡁΈ

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ޙ൒ Web Amazon API GatewayͰσʔλΛެ։ ΞΫηε੍ݶ WebϖʔδͰάϥϑɺදΛදࣔ

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Webϖʔδ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service Ϋϥ΢υଆͰઆ໌ࡁΈ Auth0 આ໌ࡁΈ

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Django https://docs.djangoproject.com/ja/2.2/ ͓ͳ͡ΈͷPythonͷWebϑϨʔϜϫʔΫ ࠓճ͸ϩάΠϯػೳͱWebϖʔδͷදࣔʹ࢖༻ django rest framework΋࢖༻ Ϋϥ΢υ͔Βͷσʔλऔಘ WebϑϨʔϜϫʔΫ

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Char.js https://www.chartjs.org/ JavascriptͷϥΠϒϥϦ ؆୯ʹάϥϑ͕͔͚Δʂ άϥϑͷछྨ΋͍Ζ͍ΖͱରԠ͍ͯ͠Δʂ άϥϑදࣔ

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Char.js άϥϑදࣔ const chartDht = new Chart(ctxDht, { type: 'line', data: { labels: labels, datasets: [ { label: 'Թ౓', data: dataTemp, backgroundColor: 'rgba(0, 0, 0, 0)', borderColor: 'rgba(255, 99, 132, 1)', borderWidth: 1 }, { label: '࣪౓', data: dataHumi, ɾɾɾ }, { label: 'ۭؾͷ඼࣭', data: dataAirQuality, ɾɾɾ },] }, options: { ɾɾɾ } });

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Char.js άϥϑදࣔ

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Char.js άϥϑදࣔ ΫϦοΫ͢Δͱɺ දࣔ͢Δର৅Λ͔͑ΒΕΔʂ

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DataTables https://datatables.net/ jQueryͷϓϥάΠϯ ؆୯ʹද͕͔͚Δʂ ϖʔδωʔγϣϯɺݕࡧʹ΋ରԠʂ ςʔϒϧදࣔ

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ɾɾɾ columnDefs: [ // ૹ৴೔࣌ { "targets": 0, data: "send_time"}, // Թ౓ { "targets": 1, data: "temp", "render": function (data, type, full, meta) { return (webCommons.dispRange(data)) ? data : "-"; } }, // ࣪౓ { "targets": 2, data: "humi", ɾɾɾ { className: "center", "targets": [ 0, 1, 2, 3, 4, 5, ] } ], ɾɾɾ ςʔϒϧදࣔ DataTables

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ςʔϒϧදࣔ DataTables 1ϖʔδͷදࣔߦ σʔλͷݕࡧػೳ ϖʔδωʔγϣϯ

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HEROKU https://jp.heroku.com/ Paas PythonϥΠϒϥϦͷdjango-herokuΛ࢖ͬͯ؆୯ʹઃఆͰ͖Δʂ $ git push heroku master Ͱ؆୯σϓϩΠ αΠτ͸σϑΥϧτͰHTTPS αʔό

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WebϖʔδͰݟ͑ΔԽ·Ͱ׬ྃʂ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda IoT action IoT rule Amazon API Gateway Amazon Simple Storage Service Ϋϥ΢υଆͰઆ໌ࡁΈ Auth0 આ໌ࡁΈ આ໌ࡁΈ

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Web·ͱΊ ηΩϡϦςΟɺೝূ Djangoɺdjango rest frameworkɺAuth0ʹ͓೚ͤ ؆୯ʹϏδϡΞϧΛΧοίΑ͘Ͱ͖Δʂ Chart.jsɺDataTablesͰΠέͯΔϖʔδ࡞੒ αʔόߏஙɺ؅ཧ͔Βͷղ์ HEROKUΛ࢖ͬͯ؆୯ެ։ʂ

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ίετ

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ίετ ॳظίετ ϥϯχϯάίετ ※2019/09/02ݱࡏͰ͢

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ॳظίετ ඼໊ ݸ਺ ߹ܭ ࢀߟݩ౳ 3BTQCFSSZ1J .PEFM# ԁ ੫ࠐ ,4: (SPWF1J ԁ ੫ࠐ "NB[PO Թ࣪౓ܭQSP ԁ ੫ࠐ "NB[PO (64#υϯάϧ ", ԁ ੫ൈ 403"$0. 403"$0.4*. ԁ ੫ൈ ˞QMBO%ɺσʔλ௨৴ͷΈ ߹ܭ ໿ ԁ ॳظඅ༻ʢૹྉผʣ ※ηϯα͸͢΂ͯܝࡌ͍ͯ͠·ͤΜ

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ϥϯχϯάίετ ࢖༻ස౓౳ σʔλͷݟ͑ΔԽʗ௨஌ ؂ࢹ ྉۚ SORACOM AWS Auth0 HEROKU

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ϥϯχϯάίετ ࢖༻ස౓౳ σʔλͷݟ͑ΔԽʗ௨஌ ؂ࢹ ྉۚ SORACOM AWS Auth0 HEROKU

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ϥϯχϯάίετ ༻్ ೔͝ͱ ݄͝ͱ උߟ ηϯγϯάσʔλͷૹ৴ ճʢ෼͝ͱʣ࣌✕✕୆ ܭɿճ ճ೔✕೔ ܭɿճ σόΠε㱺 "84*P5$PSF㱺 ֤αʔϏε σʔλόοΫΞοϓ ճ ճ %ZOBNP%#ͷ೔෼ͷσʔ λΛ4ʹόοΫΞοϓ ௨஌ ఆظ͕ճ ෆఆظ͕ճ͘Β͍ ܭɿճ ճ೔✕೔ ܭɿճ TMBDLɺ-*/&/PUJGZ΁ ௨஌ 8FCϖʔδͷࢀর ໿ճ ճ೔✕೔ ճ ※ෆఆظͰಈ͍͍ͯΔͱ͜Ζ΋͋ΔͨΊɺྉ࣮ۚ੷ͷ࢖༻ྔͱҰக͸͠·ͤΜ ࢖༻ස౓౳ ʲσʔλͷݟ͑ΔԽʗ௨஌ʳ

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ϥϯχϯάίετ ༻్ ೔͝ͱ ݄͝ͱ උߟ ࣸਅࡱӨͨ͠5XFFU ճ ෼͝ͱ ࣌✕ ܭɿճ ճ೔✕೔ ܭɿճ σόΠε㱺 "84*P5$PSF㱺 ֤αʔϏε ,ຕ✕ճ ෼͝ͱ ࣌✕ ܭɿ.# .#೔✕೔ ܭɿ.# ʏ %FWJDF4IBEPX ʢ(&561%"5&ʣ ճ ෼͝ͱ ࣌✕ ܭɿճ ճ೔✕೔ ܭɿ ճ σόΠε㱻"84*P5$PSF ※ෆఆظͰಈ͍͍ͯΔͱ͜Ζ΋͋ΔͨΊɺྉ࣮ۚ੷ͷ࢖༻ྔͱҰக͸͠·ͤΜ ※೔தͷΈՔಇʢ҉͘ͳΔͱࡱӨ͠ͳ͍ʣ ࢖༻ස౓౳ ʲ؂ࢹʳ

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ϥϯχϯάίετ ࢖༻ස౓౳ σʔλͷݟ͑ΔԽʗ௨஌ ؂ࢹ ྉۚ SORACOM AWS Auth0 HEROKU

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ϥϯχϯάίετ αʔϏε ྉۚʢ੫ผʣ උߟ "JS4*. جຊྉۚ ຕɿԁ೔ ˞ ௨৴ྉ ԁ.# ˞ #FBN جຊྉۚ ແྉ ϦΫΤετྉ ԁϦΫΤετ ˞ ແྉར༻࿮͋Γ SORACOM ※ಛఆ஍Ҭ޲͚ IoT SIMɺplan-Dɺ࢖༻։࢝ޙɺσʔλ௨৴ͷΈɺs1.standard ɹhttps://soracom.jp/services/air/cellular/price_speciﬁc_area_sim/#plan-d 1SIM ໿300ԁ/݄ ✕ ࢖༻ຕ਺ ʲσʔλͷݟ͑ΔԽʗ௨஌ɺ؂ࢹʳ

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ϥϯχϯάίετ αʔϏε ࢖༻ྉ ࢖༻ྔ ྉۚମܥ౳ උߟ "84*P5$PSF .FTTBHFT ϝοηʔδԯ݅·Ͱ 64% ϝοηʔδສ݅͋ͨΓ ˞ ଞͷྉۚ͸ԁͷͨΊׂѪ %ZOBNP%# 3FBE 8SJUF (#.P DBQBDJUZVOJUɿͳͷͰແྉ࿮಺ (#Ҏ಺ͳͷͰແྉ࿮ ˞ -BNCEB TFDPOET 3FRVFTUT ྆ํͱ΋ແྉ࿮಺ ˞ "NB[PO"1* (BUFXBZ 3FRVFTU ʲ"1*ίʔϧʳ ࠷ॳͷԯ ສ·Ͱ ສ͋ͨΓ64% ˞ "NB[PO4JNQMF 4UPSBHF4FSWJDF 3FRVFTUT 3FRVFTUT (#.P 165ଞ·Ͱɿ (&5ଞ·Ͱɿ ࠷ॳͷ5#݄·Ͱɿ(# ˞ ߹ܭ AWS ※౦ژϦʔδϣϯͷྉۚͰ͢ ※ྉۚମܥ͸লུͯ͠Δͱ͜Ζ΋͋Γ·͢ͷͰɺৄࡉ͸AWSͷϖʔδΛࢀর ʲσʔλͷݟ͑ΔԽʗ௨஌ʳ˞2019೥7݄࣮੷

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ϥϯχϯάίετ αʔϏε ྉۚ ࢖༻ྔ ྉۚମܥ౳ උߟ "84*P5$PSF ໿0QFSBUJPOT %FWJDF4IBEPXBOE%FWJDF3FHJTUSZ 0QFSBUJPOTɿສ͝ͱ ˞ ଞͷྉۚ͸ԁͷͨΊׂѪ -BNCEB ˞ "NB[PO4JNQMF 4UPSBHF4FSWJDF 165ଞ·Ͱɿ (&5ଞ·Ͱɿ ࠷ॳͷ5#݄·Ͱɿ(# ˞ ߹ܭ AWS ※౦ژϦʔδϣϯͷྉۚͰ͢ ※ྉۚମܥ͸লུͯ͠Δͱ͜Ζ΋͋Γ·͢ͷͰɺৄࡉ͸AWSͷϖʔδΛࢀর ※LambdaɺS3ʹ͍ͭͯ͸ɺଞαʔϏεͰ΋࢖༻͍ͯ͠ΔͨΊਪఆ஋ʢσʔλͷݟ͑ΔԽʗ௨஌ΑΓ࢖༻ྉ͸গͳ͍ʣ ʲ؂ࢹʳ˞2019೥7݄࣮੷

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ϥϯχϯάίετ ϓϥϯ ྉۚ උߟ '3&&ϥΠηϯε ແྉ Ұ෦ɺػೳ੍ݶ͋Γ %&7&-01&3 ݄ʙ &YUFSOBM"DUJWF6TFSTʹΑΓมಈ %&7&-01&3130 ˈ݄ʙ &YUFSOBM"DUJWF6TFSTଞʹΑΓมಈ Auth0 ※DEVELOPER PROͷ্ʹʮENTERPRISEʯϥΠηϯε͕͋Γ·ׂ͕͢Ѫ FREEϥΠηϯεͳͷͰɺ0ԁ ʲσʔλͷݟ͑ΔԽʳ

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ϥϯχϯάίετ HEROKU FreeͳͷͰ0ԁ ࢖༻ऀ͸਺ेਓͰͦΕ΄ͲසൟʹΞΫηε͞ΕΔ༁Ͱ͸ͳ͍ͷͰFreeͰे෼ ʲdyno https://jp.heroku.com/pricing#dynosʳ ϓϥϯ ྉۚ උߟ 'SFF ແྉ Ұ෦ɺػೳ੍ݶ͋Γ )PCCZ ࠷େ݄EZOP ඵ୯Ґͷ՝ۚ 4UBOEBSE ࠷େ݄EZOP ඵ୯Ґͷ՝ۚ 1FSGPSNBODF ʲσʔλͷݟ͑ΔԽʳ

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ϥϯχϯάίετ HEROKU Hobby-FreeͳͷͰ0ԁ ηϯγϯάσʔλ͸AWSʹ͋ΔͷͰHobby - FreeͰे෼ ʲHeroku Postgres https://jp.heroku.com/pricing#databasesʳ ϓϥϯ ྉۚ උߟ )PCCZ'SFF ແྉ ߦ·Ͱ )PCCZ#BTJD ࠷େ݄ ສߦ·Ͱ ඵ୯Ґͷ՝ۚ 4UBOEBSE ࠷େ ݄ ඵ୯Ґͷ՝ۚ 1SFNJVN ࠷େ ݄ ඵ୯Ґͷ՝ۚ ʲσʔλͷݟ͑ΔԽʳ

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ίετ·ͱΊ ॳظඅ༻͕ͪΐͬͱߴΊɾɾɾ ϥϯχϯάίετ͸΄΅ɺSIMྉ͘Β͍ʂ খن໛Ͱ͋Ε͹ɺݸਓͰ΋ӡ༻Ͱ͖ΔϨϕϧ

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·ͱΊ Python͸σόΠεʗΫϥ΢υʗWebͰ࢖͑Δ ࠓޙɺ౷ܭ΍ػցֶशͳͲͰ΋Python࢖͑Δʂ ·ͣ͸ϦϦʔεͯ͠࢖ͬͯ΋Β͏͜ͱ͕େࣄ ݟ͑ΔԽ͢Δ͚ͩͰ΋͘͢͝ت͹ΕΔ ೶Ոͷํɺ੡଄ۀͷํ ঢ়گ͚ͩΘ͔Ε͹͍͍ʗ஌Βͤͯ͘ΕΕ͹Α͍ ౎౓౎౓ɺݱ஍ʹ͍ͬͯ֬ೝ͍ͯͨ͜͠ͱ͔Βղ์͞ΕΔʂ Ϟϊ͕Πϯλʔωοτʹܨ͕͍ͬͯΔ͜ͱ͕౰ͨΓલ ݸਓͰ΋͓खܰʹγεςϜ͕ߏஙͰ͖ΔΑ͏ʹͳͬͨʂ ࠓޙ΋Α͍αʔϏ౳͸ͲΜͲΜͰͯ͘Δ औࣺબ୒͸͋Δ͚ͲɺΑ͍΋ͷ͸ͲΜͲΜऔΓೖΕΔ

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ Enjoy IoT Life

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Appendix

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σόΠεؔ࿈Ͱࠓޙ΍Γ͍ͨ͜ͱ σόΠε΁ͷσϓϩΠ balenaCloud https://www.balena.io/ ίϯςφΠϝʔδΛσόΠεʹ഑෍ͨ͠ΓͰ͖Δʂ

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௨஌ LINE Notify https://notify-bot.line.me/ja/ WebαʔϏε͔Βͷ௨஌ΛLINEͰड৴Ͱ͖Δ άϧʔϓͰ΋௨஌Λड৴͢Δ͜ͱ͕Մೳ ΞΫηετʔΫϯΛऔಘͯ͠  ࢦఆͷURL΁POST͢Δ͚ͩʂ ར༻ྉۚ͸ແྉ 1࣌ؒʹ௨஌1000ճ·ͰՄ

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Appendixɿঢ়ଶͷมߋ

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ঢ়ଶͷมߋ AWS IoT Core AWS Lambda Amazon DynamoDB AWS Lambda Amazon API Gateway Amazon Simple Storage Service આ໌ࡁΈ આ໌ࡁΈ

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σόΠεଆ cronͰຖਖ਼࣌ɺ5෼͝ͱىಈ ىಈ͝ͱDevice ShadowΛࢀর Device Shadow ΧϝϥͷࡱӨ༗ແʢis_shootingʣ trueɿࡱӨ͢Δ falseɿࡱӨ͠ͳ͍ Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 } "camera": { "is_shooting": true } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 } "camera": { "is_shooting": true } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ } ঢ়ଶͷมߋ

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AWS IoT Core ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ Ϋϥ΢υ σόΠε Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 }, “camera": { “is_shooting": true } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 }, “camera": { “is_shooting": true } }, } ໌Δ͞Λૹ৴ ໌Δ͞ʹ0ʢਅͬ҉ʣ LambdaΛ࣮ߦ ਅͬ҉ʹͳͬͨͷͰShadowΛߋ৽  is_shootingΛʮfalseʯ

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AWS IoT Core ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ Ϋϥ΢υ σόΠε Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 }, “camera": { “is_shooting": false } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 }, “camera": { “is_shooting": true } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ “delta": { “camera": { “is_shooting": false } } } ໌Δ͞Λૹ৴ ໌Δ͞ʹ0ʢਅͬ҉ʣ LambdaΛ࣮ߦ ਅͬ҉ʹͳͬͨͷͰShadowΛߋ৽  is_shootingΛʮfalseʯ

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AWS IoT Core ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ Ϋϥ΢υ σόΠε Device ShadowαʔϏε   Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 }, "camera": { "is_shooting": false } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 }, "camera": { "is_shooting": true } }, # Ϋϥ΢υͱσόΠεͷࠩ෼ "delta": { "camera": { "is_shooting": false } } } ࠩ෼Λreportedͱͯ͠ JSONͰૹΔʢUPDATEʣ JSONΛड͚औΔ GETཁٻ is_shooting͕false ͳͷͰࡱӨ͠ͳ͍ ໌Δ͞Λૹ৴ ໌Δ͞ʹ0ʢਅͬ҉ʣ LambdaΛ࣮ߦ ਅͬ҉ʹͳͬͨͷͰShadowΛߋ৽  is_shootingΛʮfalseʯ

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AWS IoT Core ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ Ϋϥ΢υ σόΠε Device ShadowαʔϏε   Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 }, "camera": { "is_shooting": false } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 }, "camera": { "is_shooting": false } } # Ϋϥ΢υͱσόΠεͷࠩ෼ } ࠩ෼Λreportedͱͯ͠ JSONͰૹΔʢUPDATEʣ JSONΛड͚औΔ GETཁٻ is_shooting͕false ͳͷͰࡱӨ͠ͳ͍ ໌Δ͞Λૹ৴ ໌Δ͞ʹ0ʢਅͬ҉ʣ LambdaΛ࣮ߦ ਅͬ҉ʹͳͬͨͷͰShadowΛߋ৽  is_shootingΛʮfalseʯ

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AWS IoT Core ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ Ϋϥ΢υ σόΠε Device ShadowαʔϏε   Device ShadowαʔϏε { # Ϋϥ΢υ͔Βͷཁٻ "desired": { "sensor": { "interval": 10 }, "camera": { "is_shooting": false } }, # σόΠεͷঢ়ଶ "reported": { "sensor": { "interval": 10 }, "camera": { "is_shooting": false } } # Ϋϥ΢υͱσόΠεͷࠩ෼ } ࠩ෼Λreportedͱͯ͠ JSONͰૹΔʢUPDATEʣ JSONΛड͚औΔ GETཁٻ is_shooting͕false ͳͷͰࡱӨ͠ͳ͍ ໌Δ͞Λૹ৴ ໌Δ͞ʹ0ʢਅͬ҉ʣ LambdaΛ࣮ߦ ਅͬ҉ʹͳͬͨͷͰShadowΛߋ৽  is_shootingΛʮfalseʯ ͲͷΑ͏ʹ Device Shadow Λมߋ͍ͯ͠Δ͔

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ঢ়ଶͷมߋ ҉͘ͳͬͨΒՄࢹޫΧϝϥͷࡱӨΛ΍ΊΔ import boto3 # IoTDataPlaneΫϥΠΞϯτ iot_data = boto3.client('iot-data') # ࡱӨ͠ͳ͍ʹ͢Δ update_payload = b'{"state": {"desired": {"camera": {"is_shooting": false}}}}' # ShadowΛUPDATE͢Δ iot_data.update_thing_shadow( thingName=thing_name, payload=update_payload )

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ঢ়ଶͷมߋ ͪͳΈʹDevice Shadowͷऔಘ΋؆୯ import boto3 # IoTDataPlaneΫϥΠΞϯτ iot_data = boto3.client('iot-data') # shadow ͷऔಘ response = iot_data.get_thing_shadow( thingName=thing_name ) payload = response['payload'] payload_dict = json.loads(payload.read())

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AppendixɿΞΫηε੍ݶ

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ https://docs.aws.amazon.com/ja_jp/apigateway/latest/developerguide/ apigateway-use-lambda-authorizer.html AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶͳ͠ͷ৔߹

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ʲϨεϙϯεʳDynamoDB΁ొ࿥ͨ͠σʔλ [ { “imsi": XXXX, “timestamp": 1565276403000, “air_quality”: 83, “humi": 41.8, “loudness": 88, “lux": 35, “temp": 25.3, }, ɾɾɾ ] ΞΫηε੍ݶͳ͠ͷ৔߹

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ΞΫηε੍ݶ͋Γͷ৔߹

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶ͋Γͷ৔߹ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶ͋Γͷ৔߹ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ ೝূOK

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶ͋Γͷ৔߹ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ ʲϨεϙϯεʳDynamoDB΁ొ࿥ͨ͠σʔλ [ { “imsi": XXXX, “timestamp": 1565276403000, “air_quality”: 83, “humi": 41.8, “loudness": 88, “lux": 35, “temp": 25.3, }, ɾɾɾ ] ೝূOK

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶ͋Γͷ৔߹ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ ೝূNG

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶ͋Γͷ৔߹ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ ೝূNG ޙଓͷLambda͸࣮ߦ͞Εͣ ݖݶͳ͕͠ฦ٫͞ΕΔ

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ΞΫηε੍ݶ API Gateway Lambda ΦʔιϥΠβʔͱ͸ AWS Lambda Amazon API Gateway Amazon DynamoDB ΞΫηε੍ݶ͋Γͷ৔߹ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ ޙଓͷLambda͸࣮ߦ͞Εͣ ݖݶͳ͕͠ฦ٫͞ΕΔ τʔΫϯͷൃߦ͸ʁ

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ࣗલͰϓϥοτϑΥʔϜΛߏங͢Δඞཁ͕ͳ͍ ΞΫηε੍ݶ Auth0 WebɺϞόΠϧɺ͓ΑͼϨΨγʔΞϓϦέʔγϣϯ޲͚ͷ  ϢχόʔαϧೝূɾೝՄϓϥοτϑΥʔϜΛఏڙ

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ΞΫηε੍ݶ Auth0Λར༻ Amazon API Gateway ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ Auth0 ϦΫΤετલʹ τʔΫϯऔಘ

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ΞΫηε੍ݶ Auth0Λར༻ Amazon API Gateway ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ Auth0 ϦΫΤετલʹ τʔΫϯऔಘ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ

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ΞΫηε੍ݶ Auth0Λར༻ Amazon API Gateway ೝূɺೝՄΛߦ͏Lambda Lambda ΦʔιϥΠβʔ Auth0 ϦΫΤετલʹ τʔΫϯऔಘ ϦΫΤετ࣌ͷϔομʹ τʔΫϯΛ΋ͨͤΔʂ ϦΫΤετͷ τʔΫϯΛೝূ

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from auth0.v3.authentication import GetToken ɾɾɾ # τʔΫϯऔಘʹඞཁͳ৘ใʢAuth0ͷϖʔδ͔Βऔಘʣ domain = settings.AUTH0_DOMAIN client_id = settings.AUTH0_CLIENT_ID client_secret = settings.AUTH0_CLIENT_SECRET api_audience = settings.API_AUDIENCE # τʔΫϯΛऔಘ get_token = GetToken(domain) token = get_token.client_credentials(client_id, client_secret, api_audience) ΞΫηε੍ݶ Auth0Λར༻

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from jose import jwt ɾɾɾ try: payload = jwt.decode( token, rsa_key, algorithms=ALGORITHMS, audience=API_AUDIENCE, issuer="https://" + AUTH0_DOMAIN + "/" ) except jwt.ExpiredSignatureError: raise AuthError({"code": "token_expired", "description": "token is expired"}, 401) except jwt.JWTClaimsError: raise AuthError({"code": "invalid_claims", "description": "incorrect claims, please check the audience and issuer"}, 401) except Exception: raise AuthError({"code": "invalid_header", "description": "Unable to parse authentication token."}, 401) ΞΫηε੍ݶ Auth0Λར༻