AWS Step Functions で検討する crontabless architecture/20170824_serverless_meetup_fukuoka#1

by Yohei Kawahara

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"844UFQ'VODUJPOTͰݕ౼͢Δ DSPOUBCMFTTBSDIJUFDUVSF 2017.08.25 4FSWFSMFTT.FFUVQ'VLVPLB ͔ͬͺ !JOPLBSB

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஫ҙ ‘ ຊࢿྉʹ͸TFSWFSMFTTNFFUVQͳͷʹ &$΍αʔόʔͱݴͬͨ༻ޠ͕ਵॴʹݱΕ·͢ ͷͰ෦԰Λ໌Δͯ͘͠ޚཡ͍ͩ͘͞ ‘ ਵॴͰ৭ʑͳ৘ใΛ୺ંͬͯ͠·͍ͬͯΔͷͰɺ ৄࡉʹ͍ͭͯ͸8FCαΠτ౳Λޚ֬ೝԼ͍͞

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࿩͍ͨ͜͠ͱΛࡾߦͰ ‘ DSPOͰಈ͘όονॲཧΛ ‘ 4UFQ'VODUJPOTʹஔ͖׵͑ͯ ‘ DSPOUBCMFTTΛໝ૝͓ͨ͠࿩Ͱ͢

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Ϟνϕʔγϣϯ ͜ΜͳDSPOUBC͕ఆٛ͞Εͨ&$͕͋ͬͨͱ͞ */3 * * * * batch /path/to/batch1 > /dev/null 2>&1 30 1 * * * batch /path/to/batch2 > ./log/batch2.log 30 3 * * * batch /path/to/batch3 > ./log/batch3.log

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࣌୅͸αʔόʔϨεɺόον΋αʔόʔͰͷՔಇ͸ ࢭΊͯ-BNCEBʹҠߦ͢Ε͹͍͍ΜͫΌͳ͍͔ͳ

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ͱ͜Ζ͕ ͜Ε͸໘౗ ‘ όον͕-BNCEBͰͦͷ··ಈ͔ͳ͍ ‘ -BNCEBͰ͸αϙʔτ͞Ε͍ͯͳ͍ݴޠͰ࣮૷ ‘ Ҡ২ʹ͸ͦΕͳΓͷ͕͔͔࣌ؒΔ

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Ͳ͏͔ͬ͢ͳ ‘ όονΛىಈ͍͚ͨ࣌ͩ͠&$Λىಈͯ͠ʜ ‘ &$͕ىಈͨ͠ޙʹόονΛ࣮ߦͯ͠ʜ ‘ όον͕ऴྃͨ͠Β&$Λఀࢭ -BNCEBͱ&$ͷϋΠϒϦουͰΠέͦ͏͹͍

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ͱ͜Ζ͕ ‘ όονॲཧऴྃલʹ&$͕ఀࢭ͠ͳ͍ʁ ‘ όονʹґଘؔ܎͕͋ΔΜ͚ͩͲʜ ‘ ෳ਺όονॲཧ͕ฒߦͰ૸Β͍ͤͨΜ͚ͩͲʜ ‘ ॲཧϑϩʔΛՄࢹԽ͍ͨ͠Μ͚ͩͲʜ ‘ ॲཧϑϩʔΛίʔυԽ͍ͨ͠Μ͚ͩͲʜ ͍Ζ͍ΖؾʹͳΔʜ

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ͦ͜Ͱ4UFQ'VODUJPOT ‘ SF*OWFOUͰൃද ‘ -BNCEB౳ͷෳ਺ΞϓϦέʔγϣϯΛͭͷ ϫʔΫϑϩʔͱͯ͠ఆٛɺ࣮ߦ ‘ ฒྻॲཧɺ࿈ଓॲཧɺ෼ذ౳Λ+40/ϕʔεͷ %4-Ͱهड़ ‘ ॲཧͷྲྀΕ΍࣮ߦ݁ՌΛΠΠײ͡ʹՄࢹԽ

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ͦ͜Ͱ4UFQ'VODUJPOT ϫʔΫϑϩʔ $IPJDFεςʔτ ύϥϨϧ +PCTUBUVTQPMMFS ଞʹ΋͋ΔΑΧελϚΠζ΋ग़དྷΔΑ

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ͦ͜Ͱ4UFQ'VODUJPOT ࣮ߦ؅ཧ

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ͦ͜Ͱ4UFQ'VODUJPOT ༻ޠ ‘ 4UBUF.BDIJOFϫʔΫϑϩʔ ‘ 4UBUFछྨͷ4UBUFʢ5BTL $IPJDF 1BSBMMFMʜ౳ʣ ‘ 5BTL-BNCEB౳ͷΞϓϦέʔγϣϯ ‘ "NB[PO4UBUF-BOHVBHF+40/ϕʔε Ͱ4UBUF.BDIJOFΛهड़

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ͦ͜Ͱ4UFQ'VODUJPOT "4- { "Comment": “HelloWorld Sample", "StartAt": "HelloWorld", "States": { "HelloWorld": { "Type": "Pass", "Result": "Hello World!", "End": true } } }

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ͰɺDSPOͷόονॲཧ͸Ͳ͏͢Μͷʁ ‘ &$΍ΦϯϓϨαʔόʔ্ͷॲཧ΋λεΫͱ͠ ͯར༻Մೳʢ"DUJWJUZ5BTLʣ ‘ "DUJWJUZ5BTLΛ࣮ߦ͢Δ8PSLFS͸"84 $-*΍"844%,Ͱཁ࣮૷ʢࠓճ͸(PMBOH Ͱʣ ‘ 8PSLFS͸ఆظతʹ4UFQ'VODUJPOTΛϙʔ Ϧϯάͯ͠ݺͼग़͠Λ଴ͭ

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"DUJWJUZ5BTL Λར༻ͯ͠όονΛ࣮ߦ͢Ε͹Α͛͞

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ͱ͍͏͜ͱͰɺ͜Μͳײ͡ʹͳΓ·ͨ͠

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"844UFQ'VODUJPOTͷΠΠͱ͜ ‘ $MPVE8BUDI&WFOUTͱͷ૊Έ߹ΘͤͰϦο νͳ4FSWFSMFTTDSPOͱͳΔ ‘ -BNCEBΛύʔπͱͯࣗ͠༝ʹϫʔΫϑϩʔΛ σβΠϯՄೳ ‘ &$͢ΒλεΫΛॲཧ͢ΔҝͷϦιʔεͱͳΔ ‘ ॲཧϑϩʔ΍݁Ռ͕͍͍ײ͡ͰՄࢹԽ͞Ε͑Δ

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"844UFQ'VODUJPOTͷؾʹͳΔͱ͜Ζ ‘ λεΫؒͷೖग़ྗ͸+40/Ͱ΍ΓͱΓ͞ΕΔ ‘ "DUJWJUZ5BTL8PSLFS͸ࣗ࡞͢Δඞཁ͋Γ ‘ 4UFQ'VODUJPOTͷར༻ࣗମʹֻ͓͕͔ۚΔ

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ࢀߟ ‘ IUUQTXXXTMJEFTIBSFOFU"NB[PO8FC4FSWJDFT+BQBO CMBDLCFMUTUFQGVODUJPOT ‘ IUUQTXXXTMJEFTIBSFOFUTLJLVDIJBXTTUFQGVODUJPOT ‘ IUUQEFWDMBTTNFUIPEKQSFGFSFODFDBUBXTTUFQ GVODUJPOT ‘ IUUQTTQFBLFSEFDLDPNEBJLJNPSJBXTTUFQ GVODUJPOTGBMTFJSPIB ‘ IUUQJOPLBSBIBUFCMPKQFOUSZ