クラウドとオンプレ / on the Cloud or Premises

by Harukasan

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Ϋϥ΢υͱΦϯϓϨ Shunsuke Michii / Harukasan 2015-03-11

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Harukasan / Shunsuke Michii • 2012೥ʹ৽ଔͱͯ͠ΠϯϑϥνʔϜʹ഑ଐ • ίϯςϯπ഑৴Λ͸͡Ίͱͯ͠αʔϏεશମͷج൫Λ୲౰ • αʔϏεج൫͚ͩͰͳ͘σʔλղੳج൫ͷߏஙͳͲ΋ • ٕज़ܥࡶࢽͷࣥචͳͲ΋ ϐΫγϒגࣜձࣾɹΠϯϑϥνʔϜ

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Agenda • WebαʔϏεʹ͓͚ΔΠϯϑϥετϥΫνϟ • Ϋϥ΢υͱΦϯϓϨϛεͷҧ͍ • ΫϥελϦϯάͱΦʔέετϨʔγϣϯ

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WebαʔϏεʹ͓͚Δ ΠϯϑϥετϥΫνϟ • ͦ΋ͦ΋ΠϯϑϥετϥΫνϟͱ͸ • ΤϯδχΞϦϯά͸εέʔϧ͠ͳ͍ • ΠϯϑϥνʔϜͱ͸ • ΠϯϑϥετϥΫνϟ͸εέʔϧ͢Δ

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Q1 ͋ͳ͕ͨWebαʔϏεΛઃܭ͢ΔͳΒ͹ ͲͷΑ͏ͳߏ੒Λߟ͑Δ͔ʁ

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Application Application Database Cache Storage Application Application Load Balancer DNS

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? ? ? ? ? ? ? ? Application Application Database Cache Storage Application Application Load Balancer DNS

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Server Server Server Server Server Local Network Internet Server Server / Appliance Server Server Application Application Database Cache Storage Application Application Load Balancer DNS

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Heroku Add-on Add-on Add-on Application Add-on DNS Database Cache Storage

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EC2 EC2 RDS ElastiCache S3 EC2 EC2 ELB Route53 Database Cache Storage Application Application Application Application DNS Load Balancer

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DNS

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ͦ΋ͦ΋  ΠϯϑϥετϥΫνϟͱ͸ • αʔϏεΛӡ༻͢Δ্Ͱɺ߃ৗతʹඞཁͱͳΔج൫ • αʔϏεΛߏங͢Δ্Ͱ౔୆ͱͳΔ΋ͷ • ࣗ෼Ͱ͸΍Βͳ͍ͱ͜Ζ

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ΠϯϑϥετϥΫνϟ  ͦΕࣗ਎͸Ձ஋Λੜ·ͳ͍ • ຊ౰ʹՁ஋͕͋Δͷ͸ӡ༻͍ͯ͠ΔαʔϏεɺ͍҃ ͸αʔϏε͕ఏڙ͍ͯ͠Δ΋ͷͰ͋Δ • Πϯϑϥͱͯ͠ԿΛબ୒͢Δ͔ɺͲ͏͍͏ߏ੒ʹ͢ Δ͔ͱ͍ͬͨߏஙϊ΢ϋ΢͕Ձ஋ʹͳΔ͜ͱ͸͋Δ ͕ɺΠϯϑϥࣗମ͸Ձ஋ʹͳΒͳ͍

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Ͳ͜ͰՁ஋ΛੜΉ͔ • ΠϯϑϥΑΓ্ͷϨΠϠʔͰՁ஋ΛੜΈग़͢ • ʢΤϯδχΞͱͯ͠ʣͲ͜ͰՁ஋Λग़͔͕͢ॏཁ

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Contents σβΠϯɾίʔσΟϯά ίϯςϯπࣥච DNS value value

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DNS Contents Heroku Add-on Database Add-on Cache Add-on Storage Application σβΠϯɾίʔσΟϯά ઃܭɾ։ൃ γεςϜઃܭ ίϯςϯπࣥච value value value value

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ΤϯδχΞϦϯά͸  εέʔϧ͠ͳ͍ • ࣗ෼ͷೳྗ͕ٸʹ100ഒʹͳΔ͜ͱ͸ͳ͍ • ʢΤϯδχΞͱͯ͠ʣͲ͜ͰՁ஋Λग़͔͕͢ॏཁ

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εέʔϧ͠ͳ͍΋ͷΛ࡞Βͳ͍ • 1ਓ͔͠ఏڙ͠ͳ͍αʔϏε͸ͦΕҎ্ͷՁ஋ΛੜΊ ͳ͍ • ਓ͸εέʔϧ͠ͳ͍͕ʢ͠ͳ͍ͷͰʣɺ࢖༻͢Δਓ ͕ଟ͍΄Ͳ1ਓʹఏڙ͢ΔαʔϏεͷίετ͸Լ͕Δ • εέʔϧ͢ΔϚʔέοτ͕͋Δ͔

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ΠϯϑϥνʔϜͱ͸ • αʔϏεΠϯϑϥΛ։ൃऀʹఏڙ͢Δ • ΍ͬͯΔ͜ͱ͸֤ࣾ͹Β͹Β • ΠϯϑϥνʔϜࣗମ͕Πϯϑϥ

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ΠϯϑϥνʔϜ Application

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ʢۃ࿦Λݴ͏ͱʣࣗ෼ͷཱͪҐஔΑΓ  ԼͷϨΠϠʔ͸͢΂ͯΠϯϑϥ • ΠϯϑϥΤϯδχΞ͔ΒݟͨΒDCۀऀ͸Πϯϑϥ • DCۀऀ͔ΒΈͯిؾࣄۀऀ͸Πϯϑϥ • ։ൃऀ͔ΒΈͯΠϯϑϥΤϯδχΞ͸Πϯϑϥ • ܦӦऀ͔ΒΈͯܧଓత։ൃ͸Πϯϑϥʢʹࣄۀج൫ʣ

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ΠϯϑϥετϥΫνϟ͸  εέʔϧ͢Δ • ΠϯϑϥετϥΫνϟ͸αʔϏεͱͯ͠εέʔϧ͢Δ • ύλʔϯԽͰ͖Δʹεέʔϧ͢Δ • εέʔϧ͢Ε͹͢Δ΄ͲίετϝϦοτ͕ग़Δ • ڊਓͷݞʹ৐Δ

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IaaS (Infrastructure as a Service) • WebαʔϏεͷΠϯϑϥετϥΫνϟΛαʔϏεͱ ͯ͠ఏڙ͢Δ • ୅දతͳαʔϏεʹ͸AWSɺGCPɺSoftLayerͳͲ • ࣗࣾͷΠϯϑϥετϥΫνϟج൫ΛαʔϏεͱͯ͠ ఏڙ͍ͯ͠Δ

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XaaS (X as a Service) • ͳΜͱ͔as a Serviceͱݺ͹ΕΔ΋ͷ͸શ෦Πϯϑϥ ͳͷͰ·ͱΊͯIaaSͰ΋Α͍ • ͲͷϨΠϠʔ·Ͱఏڙ͍ͯ͠Δ͔Θ͔Βͳ͘ͳΔʢൺ ֱͰ͖ͳ͘ͳΔʣͷͰPaaSΈ͍ͨͳݴ༿͕࢖ΘΕΔ

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WebαʔϏεʹ͓͚Δ ΠϯϑϥετϥΫνϟ • ࣗ෼Ͱ͸΍Βͳ͍ͱ͜Ζ • ʢΤϯδχΞͱͯ͠ʣͲ͜ͰՁ஋Λग़͔͕͢ॏཁ • ΠϯϑϥΛαʔϏεʹ͢Δͱεέʔϧ͢Δ ·ͱΊ:

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IaaSͱΦϯϓϨ • ΦϯϓϨͱ͸ʁ • IaaSͱΦϯϓϨͷҧ͍

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ΦϯϓϨϛε: On-Premises • ௚༁͢Δͱ"ߏ಺ʹ"ͱͳΔ • ΋ͱ΋ͱࣾ಺ʹΠϯϑϥετϥΫνϟΛઃஔ͢Δ͜ ͱΛ͍ࣔͯͨ͠

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ͳͥΦϯϓϨͱݴ͏ͷ͔ • Ϋϥ΢υͷରٛޠ͕ͳ͔ͬͨ • Macͷରٛޠͱͯ͠ͷPC

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ݱ୅ͷΦϯϓϨϛε؀ڥ͸  Ϋϥ΢υʹ͍ۙ • ࣗࣾߏ಺ʹαʔό͓͍ͯΔͱ͜ΖͳΜͯ·Ε • ଏʹ”ΦϯϓϨ”ͱݺ͹ΕΔͱ͖αʔό͸IDCʹઃஔ  ͯ͋͠Δ • ੈͷதͷ΄ͱΜͲͷΦϯϓϨ͸”ͳΜͪΌͬͯΦϯϓ Ϩϛε”ʹͳͬͯΔ

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ຊ౰ͷΦϯϓϨϛε ͳΜͪΌͬͯΦϯϓϨϛε ઃஔ৔ॴ ࣗࣾDC ϗεςΟϯά αʔόઃஔɾ؅ཧ ࣗࣾ IDCɾϕϯμʔ ௐୡ ࣗࣾ ࣗࣾɾϕϯμʔ ిݯ ࣗࣾܖ໿ IDC ஍਒ରࡦ ࣗࣾͰઃܭ IDC ճઢ ઐ༻ճઢ IDC ճઢ؂ࢹ ࣗࣾ IDC

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Q2 IaaSͱΦϯϓϨϛεͷେ͖ͳҧ͍ͱ͸ʁ

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IaaSͱΦϯϓϨͷҧ͍ • ࣗ෼͚ͩͰ࢖͏͔ɺΈΜͳͰ࢖͏͔ • ࢖͍ํ͕ҧ͏ͷͰ՝ۚମܥ͕େ͖͘ҟͳΔ

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ΦϯϓϨͷௐୡ Load Infrastructure • ෛՙʹ߹ΘͤͯௐୡܭըΛཱͯΔ ௐୡλΠϛϯά ↓ ௐୡλΠϛϯά ↓ ௐୡλΠϛϯά ↓

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Waste ΦϯϓϨͷௐୡ Load • ෛՙʹ߹ΘͤͯௐୡܭըΛཱͯΔ ௐୡλΠϛϯά ↓ ௐୡλΠϛϯά ↓ ௐୡλΠϛϯά ↓

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ΦϯϓϨ͸େม • ࢖͏΋ͷ͸શͯࣗ෼Ͱ༻ҙࣗ͠෼Ͱӡ༻͢Δ • εέʔϧ͠ͳ͍ • ઌΛಡ·ͳ͍ͱ͍͚ͳ͍

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IaaSͷௐୡ Load • ෛՙʹ߹Θͤͯ૿ݮͰ͖Δʢཧ૝ʣ

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IaaSͷௐୡ Load • ෛՙʹ߹Θͤͯ૿ݮͰ͖Δʢݱ࣮ʣ

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IaaS΋͚ͬ͜͏େม • ݁ہࣗ෼ͰεέʔϦϯά͢ΔΑ͏ʹ͠ͳ͚Ε͹ࣗಈ Ͱ͸εέʔϧ͠ͳ͍ʢͪΐͬͱੲͷ࿩ʣ • ୯Ձ͚ͩͰݟΕ͹ߴ͍

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CPU୯Ձͷൺֱ • ʢඇެ։ʣ

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ωοτϫʔΫ୯Ձͷൺֱ • ʢඇެ։ʣ

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ίετͷҧ͍ • ୯Ձ͚ͩͰݟΕ͹IaaSͷํ͕ߴͦ͏ʹݟ͑Δ • ࣮ࡍʹ͸ӡ༻ʹ͔͔Δਓ݅අɺDCΠϯϑϥʹ͔͔Δ ྉۚͳͲ͍ΖΜͳݻఆඅ͕͔͔Δ • େ఍ͷ৔߹IaaSͷํ͕εέʔϧϝϦοτͰ҆͘ͳΔ • ݻఆඅ͕খ͘͞ݟ͑Δ΄Ͳεέʔϧ͢Ε͹ΦϯϓϨ Ͱ΍ͬͨํ͕͍҆

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IaaSͱΦϯϓϨ • ΦϯϓϨ΋શ͕ͯࣗલͰ͸ͳ͍ʢ౰ͨΓલʣ • IaaS͸εέʔϧ͢Δ͜ͱͰϝϦοτΛग़͍ͯ͠Δ • CPU࣌ؒͰΈΔͱ͔ͳΓΑ͘ͳ͖ͬͯͨ • ωοτϫʔΫ͸͚ͬ͜͏ߴ͍ ·ͱΊ:

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ΫϥελϦϯάͱ  ΦʔέετϨʔγϣϯ • ΫϥελϦϯάͱΦʔέετϨʔγϣϯ • ͳͥΫϥελϦϯά͍ͨ͠ͷ͔ • ίϯςφΫϥελϦϯά

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ΫϥελϦϯάͱ͸ • ଟ਺ͷϦιʔεΛ1ͭͷϦιʔεͱͯ͠࢖͏ • Ͱ͔͍Πϯελϯε͸ߴ͍͠ɺSPOFʢ୯Ұো֐఺ʣ ʹͳΔ • εέʔϦϯά͢Δʹ͸͍҆ϦιʔεΛͨ͘͞Μฒ΂ͯ 1ͭͷϦιʔεʹͯ͠࢖Θͳ͍ͱ͍͚ͳ͍

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ΦʔέετϨʔγϣϯͱ͸ • Φʔέετϥͷԋ૗ํ๏ɺసͯ͡ฤ੒ɺ૊৫ԽΛ  ࢦ͢୯ޠʹͳͬͨ • γεςϜ/ϛυϧ΢ΣΞͷࣗಈతͳߏ੒؅ཧɺσϓϩ Πϝϯτͷ͜ͱΛࢦ͢

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ΫϥελϦϯά͍ͨ͠ • αʔϏεͷن໛Λ༧ଌ͢Δͷ͸೉͍͠ • ༻ҙ͍ͯ͠ΔΠϯϑϥΛ͙͢ʹ౤ೖ͍ͨ͠ • Ϋϥελશମͷ͏ܾͪ·ׂͬͨ߹ͷϦιʔεΛׂΓ౰ ͍ͯͨ

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ΦϯϓϨͷௐୡ Load • ෛՙʹ߹ΘͤͯௐୡܭըΛཱͯΔ ௐୡλΠϛϯά ↓ ௐୡλΠϛϯά ↓ ௐୡλΠϛϯά ↓ ʢ෮शʣ

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Server Server Server Server Application Application Application Load balancer Application Application

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ΫϥελϦϯά͢ΔͨΊʹ  ίϯςφΛ࢖͏ • εέʔϧ͢ΔͨΊʹ͸ɺΞϓϦέʔγϣϯɺϛυϧ΢Σ ΞɺઃఆͳͲ༷ʑͳ΋ͷΛσϓϩΠͯ͠ಈ࡞͢ΔΑ͏ ʹ͠ͳ͚Ε͹ͳΒͳ͍ • ίϯςφ͝ͱσϓϩΠ͢Ε͹ྑ͍  =ΦʔέετϨʔγϣϯ͕؆୯

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Docker • ίϯςφ؅ཧπʔϧ • DockerﬁleΛॻ͚ͩ͘ͰίϯςφΛϏϧυͰ͖Δ • ͍·ͷͱ͜ΖσϑΝΫτελϯμʔυ

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dockerhub build push pull Dockerﬁle deployment Image

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ͳͥίϯςφʹ͍ͨ͠ͷ͔ • ґଘؔ܎Λύοέʔδϯά͍ͨ͠ • ։ൃऀ͕ϛυϧ΢ΣΞͷґଘؔ܎Λ؅ཧ͢Δ͜ͱ͕ Ͱ͖ΔΑ͏ʹͳΔ • ίϯςφΛ࢖͏ͱ͜Ε·ͰΠϯϑϥͩͬͨ΋ͷ͕  ΠϯϑϥͰ͸ͳ͘ͳΔ

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Infrastructure Application

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Infrastructure Application Container

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ίϯςφԽ͞ΕΔͱԿ͕ى͜Δ͔ • ΠϯϑϥͷϨΠϠʔ͕1ͭԼ͕Δ • OSͷύοέʔδ؅ཧ͸ෆཁʹͳΔ • ίϯςφ͝ͱʹ؂ࢹ͕ඞཁʹͳΔ

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CoreOS • ίϯςφϗετʹ࠷దԽ͞ΕͨLinuxσΟετϦ Ϗϡʔγϣϯ • systemdʹΑΔίϯςφͷ؅ཧͱEtcdɺFleetdͱ͍ͬ ͨΫϥελϦϯάɺΦʔέετϨʔγϣϯπʔϧ͔Β ߏ੒͞ΕΔ • ࣗಈతͳηΩϡϦςΟΞοϓσʔτ

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ΦʔέετϨʔγϣϯ͕଍Γͳ͍ • ͍ͭ͘ίϯςφΛσϓϩΠ͢Δ͔ • ίϯςφؒͷ૬ޓ઀ଓ͸Ͳ͏͢Δ͔ • ͲͷλΠϛϯάͰεέʔϧ͢Ε͹͍͍͔

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Kubernates • Google͕ͭͬͨ͘ίϯςφΫϥελ؅ཧπʔϧ • αʔϏε୯ҐͰͷσϓϩΠ͕Ͱ͖Δ • ͍͍ͩͨશ෦ͷػೳ͕͋Δ͚ͲɺͰ͔͗͢Δ

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ͦ΋ͦ΋ࣗ෼Ͱ΍Δҙຯ͸ • ίϯςφΛσϓϩΠ͢ΔઌΛࣗલͰ΍Βͳͯ͘΋ྑ ͍ͷͰ͸ • ͋Δఔ౓ͷεέʔϧʹͳΔͱࣗ෼Ͱ΍Δ͜ͱΛߟ͑Δ

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ΫϥελϦϯάͱ  ΦʔέετϨʔγϣϯ • Ͳ͜·Ͱ͕Πϯϑϥ͔͸࣌୅ʹΑͬͯมԽ͢Δ • ίϯςφΛ࢖͏ͱ͍Ζ͍ΖͱมΘΓͦ͏ • ͍Ζ͍Ζͱߟ͑ͳ͍ͱ͍͚ͳ͍͜ͱ͕ଟ͍ ·ͱΊ:

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·ͱΊ

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Ϋϥ΢υͱΦϯϓϨ • Ϋϥ΢υͰ͋Δ͔Βͱ͔ɺΦϯϓϨͰ͋Δ͔Βɺ  ͱ͍͏ͷ͸͋·Γେ͖ͳ໰୊Ͱ͸ͳ͍ • ࠷΋࠷దͳج൫Λબ୒͢Δͷ͕Α͍ • ͩΊʹͳͬͨΒ৐Γ׵͑Ε͹ྑ͍ • ʢΤϯδχΞͱͯ͠ʣͲ͜ͰՁ஋Λग़͔͕͢ॏཁ