Kubernetesの上に作る、統一されたマイクロサービス運用体験

by tkuchiki

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,VCFSOFUFTͷ্ʹ࡞Δɺ ౷Ұ͞ΕͨϚΠΫϩαʔϏεӡ༻ମݧ 43&/&95 4BU 3PPN# !ULVDIJLJ

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w!ULVDIJLJ wϝϧϖΠ43& wTQBOOFSBVUPTDBMFSͷϝϯ ςφ w(PQIFS 8)0".*

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"HFOEB wϝϧϖΠͷϚΠΫϩαʔϏεͷӡ༻ w,VCFSOFUFTΧελϜίϯτϩʔϥʔΛ׆༻ͨ͠$MPVE 4QBOOFSͷΦʔτεέʔϧ w43&ϚωʔδυίϯςφΠϝʔδΛ࢖༻ͨ͠$MPVE 4QBOOFSͷόοΫΞοϓ wӡ༻ͷ࢓૊ΈΛ,VCFSOFUFT্ʹ౷Ұ͢ΔϝϦοτ w·ͱΊ

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ϝϧϖΠͷϚΠΫϩαʔϏεͷӡ༻

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wϚΠΫϩαʔϏεͰ͸εέʔϥϒϧͳ૊৫Λͭ͘ΔͨΊʹ֤νʔ ϜͰ։ൃ͔Βӡ༻·Ͱߦ͏ wνʔϜ͝ͱʹӡ༻Λ೚ͤͯ͹Β͹Βͳ࢓૊ΈΛ࡞ͬͯ͠·͏͜ͱͰ ൃੜ͢Δ՝୊ wπʔϧ։ൃίετͷ૿େ wڞ௨ͷӡ༻ϧʔϧΛద༻Ͱ͖ͳ͍ w43&͕ϑΥϩʔͰ͖ͳ͍ wڞ௨ͷϓϥοτϑΥʔϜ্ͰϚΠΫϩαʔϏεΛӡ༻͢Δ͜ͱͰղܾ ϚΠΫϩαʔϏεӡ༻ʹ͓͚Δ՝୊

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ϝϧϖΠͷαʔϏεن໛ .JDSPTFSWJDFT ,VCFSOFUFT1PET

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ϝϧϖΠͷϚΠΫϩαʔϏεج൫ w։ൃऀ͕ΦʔφʔγοϓΛ࣋ͬͯαʔϏεΛߏஙɾӡ ༻͢ΔͨΊͷϓϥοτϑΥʔϜ wϝϧΧϦͷ.JDSPTFSWJDFT1MBUGPSN5FBN͕ߏஙɾӡ༻ w5FSSBGPSNͰ($1ϦιʔεΛ؅ཧ *B$ w,VCFSOFUFT্ͷϦιʔεΛ:".-Ͱ؅ཧ $B% w$*ܦ༝ͰͷLVCFDUMBQQMZ w4QJOOBLFSͰσϓϩΠ *B$*OGSBTUSVDUVSFBT$PEF $B%$PO fi HVSBUJPOBT%BUB

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$PO fi HVSBUJPOBT%BUB wΠϯϑϥΛ͋Δ΂͖ঢ়ଶΛએݴͨ͠σʔλͱ ͯ͠؅ཧ w,VCFSOFUFTͷ:".-ͳͲ w($1ͷϦιʔεΛ$B%Ͱ؅ཧ͢Δ,VCFSOFUFT ίϯτϩʔϥʔ΋͋Δ w$PO fi H$POOFDUPS IUUQTDMPVEHPPHMFDPNCMPHKBQSPEVDUTDPOUBJOFSTLVCFSOFUFTVOEFSTUBOEJOHDPO fi HVSBUJPOBTEBUBJOLVCFSOFUFT

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ϝϧϖΠ43&ͷ໾ׂ wϚΠΫϩαʔϏεϓϥοτϑΥʔϜ্Ͱͷ ӡ༻αϙʔτ wϚΠΫϩαʔϏεڞ௨ͷΠϯϑϥͷӡ༻ wӡ༻ʹ΋$B%ͷΑ͏ͳ࢓૊ΈΛఏڙ wຊηογϣϯͰ͸ͭͷࣄྫΛ঺հ $B%$PO fi HVSBUJPOBT%BUB

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,VCFSOFUFTΧελϜίϯτϩʔϥʔ Λ׆༻ͨ͠$MPVE4QBOOFSͷ Φʔτεέʔϧ

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$MPVE4QBOOFS w($1ͷϑϧϚωʔδυϦϨʔγϣφϧɾ σʔλϕʔε wμ΢ϯλΠϜͳ͠Ͱ/PEFΛ૿ݮՄೳ wϝϧϖΠͷඪ४తͳσʔλϕʔεͱͯ͠ར༻ IUUQTDMPVEHPPHMFDPNTQBOOFS

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/PEFΛ૿ݮͤ͞Δӡ༻ϑϩʔ %FWFMPQFS 1VMM3FRVFTU $MPVE4QBOOFS /PEFT UFSSBGPSNBQQMZPO$*

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/PEFΛ૿ݮͤ͞Δӡ༻ϑϩʔ %FWFMPQFS 1VMM3FRVFTU $MPVE4QBOOFS /PEFT UFSSBGPSNBQQMZPO$* 8BJUGPS$* 8BJUGPS$* 5BLFBMPOHUJNF

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$MPVE4QBOOFSͷӡ༻ʹ͓͚Δ՝୊ w$MPVE4QBOOFSͷ$16࢖༻཰ߴಅʹΑΓϨΠςϯγ ͕૿Ճͯ͠΋/PEF௥Ճʹ͕͔͔࣌ؒΔ wͲͷ͘Β͍/PEF௥Ճ͢Δඞཁ͕͋Δͷ͔൑அ w1VMM3FRVFTUͷ࡞੒ wίʔυϨϏϡʔͱ$*଴ͪ $16࢖༻཰ʹԠͯ͡Φʔτεέʔϧ͍ͤͨ͞

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Φʔτεέʔϧͷݕ౼ w($1ϓϩμΫτΛ૊Έ߹ΘͤΔ w$MPVE4DIFEVMFS w$MPVE'VODUJPOT w$MPVE.POJUPSJOH

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Φʔτεέʔϧͷݕ౼ w͜ͷ৔߹ɺͭͷӡ༻ํ๏͕ߟ͑ΒΕΔ w֤ϚΠΫϩαʔϏεͰӡ༻ w($1ϓϩδΣΫτ͝ͱʹՔಇ͢Δ w($1ϓϩδΣΫτͰՔಇ͠ɺෳ਺ͷ($1ϓϩ δΣΫτͷ4QBOOFSΛ؅ཧ͢Δ w தԝूݖతʹ43&͕ӡ༻

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Φʔτεέʔϧͷݕ౼ w($1ϓϩμΫτͷ૊Έ߹ΘͤͰ΋΍Γ͍ͨ͜ͱ͸࣮ ݱͰ͖Δ͕ʜ w֤ϚΠΫϩαʔϏεͰӡ༻ w։ൃऀ͕ӡ༻͢Δ΋ͷ͕૿͑Δ wதԝूݖతͳӡ༻ w43&ͷෛ୲͕େ͖͍ w։ൃऀͷΦʔφʔγοϓΛଛͳ͏

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Φʔτεέʔϧͷݕ౼ w,VCFSOFUFTϦιʔεͱͯ͠؅ཧͰ͖Ε͹ طଘͷӡ༻ϑϩʔʹ৐ͤΒΕΔ wϦιʔεͷϨϏϡʔɾσϓϩΠΛϚΠΫϩ αʔϏεͷνʔϜ಺Ͱ׬݁Ͱ͖Δ ,VCFSOFUFTΧελϜίϯτϩʔϥʔΛ࣮૷

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,VCFSOFUFTΧελϜίϯτϩʔϥʔ wϢʔβ͕ಠࣗʹఆٛͨ͠ϦιʔεΧελϜ Ϧιʔεʹର͢ΔॲཧΛߦ͏ίϯτϩʔϥʔ w3FDPODJMJBUJPOMPPQʹΑΓɺએݴͨ͠ঢ়ଶ ͱ࣮ࡍͷঢ়ଶΛൺֱ͠ɺ͋Δ΂͖ঢ়ଶʹಉ ظ͠ଓ͚Δ

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3FDPODJMJBUJPOMPPQ IUUQTMFBSOJOHPSFJMMZDPNMJCSBSZWJFXNBOBHJOHLVCFSOFUFTDIIUNM fi H

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3FDPODJMJBUJPOMPPQ wݱࡏͷ/PEF਺Λ͋Δ΂͖/PEF਺ʹಉظ ͢Δɺͱߟ͑Δͱ૬ੑ͕ྑͦ͞͏ w)1"ʹࣅ͍ͯΔ )1")PSJ[POUBM1PE"VUPTDBMFS

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TQBOOFSBVUPTDBMFS wIUUQTHJUIVCDPNNFSDBSJTQBOOFS BVUPTDBMFS w)1"ͷΑ͏ʹ$MPVE4QBOOFSͷ/PEFΛΦʔτ εέʔϧ͢Δ,VCFSOFUFTΧελϜίϯτϩʔ ϥʔ w೥݄ϦϦʔε )1")PSJ[POUBM1PE"VUPTDBMFS

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TQBOOFSBVUPTDBMFSΛ׆༻ͨ͠ӡ༻ 43& %FWFMPQFS .BOBHF ,VCFSOFUFTΧελϜϦιʔε 4QBOOFS"VUPTDBMFS ΧελϜϦιʔε LVCFDUMBQQMZ TQBOOFSBVUPTDBMFS $MPVE4QBOOFS 4DBMFVQEPXO "VUPTDBMF DPO fi HVSBUJPO 'PDVTPODPOUSPMMFSNBOBHFNFOU 0OMZNBOBHF:".-

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͜͜·Ͱͷ·ͱΊ w$MPVE4QBOOFSͷ/PEFΛ૿ݮͤ͞Δӡ༻ϑ ϩʔʹ՝୊͕͋ΓΦʔτεέʔϧͷඞཁੑΛ࣮ײ w,VCFSOFUFTΧελϜίϯτϩʔϥʔͷ 3FDPODJMJBUJPOMPPQͷ࢓૊Έʹண໨ w)1"ͷΑ͏ʹ$MPVE4QBOOFSΛΦʔτεέʔϧ ͢Δ,VCFSOFUFTΧελϜίϯτϩʔϥʔΛ࣮૷

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DMPVETQBOOFSFDPTZTUFNBVUPTDBMFS wIUUQTHJUIVCDPN DMPVETQBOOFSFDPTZTUFNBVUPTDBMFS w($1ϓϩμΫτΛ૊Έ߹ΘͤͯΦʔτεέʔϧ w೥݄ࠒϦϦʔε w$16λεΫ༏ઌ౓ߴҎ֎ͷϝτϦΫεͰεέʔ ϦϯάՄೳ https://cloud.google.com/architecture/autoscaling-cloud-spanner

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DMPVETQBOOFSFDPTZTUFNBVUPTDBMFS https://raw.githubusercontent.com/cloudspannerecosystem/autoscaler/master/resources/architecture-per-project.png

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DMPVETQBOOFSFDPTZTUFNBVUPTDBMFS wҎԼͷཧ༝ʹΑΓ࠾༻ͤͣ w($1ϓϩμΫτΛ૊Έ߹ΘͤΔ࣮૷Ͱڍ͛ͨ ໰୊͕ಉ༷ʹൃੜͦ͠͏ w,VCFSOFUFTϦιʔεͱͯ͠Φʔτεέʔϧ ͷઃఆΛ؅ཧͰ͖Δํ͕ӡ༻ମݧ͕ྑ͍

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43&ϚωʔδυίϯςφΠϝʔδΛ ར༻ͨ͠$MPVE4QBOOFSͷ όοΫΞοϓ

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$MPVE4QBOOFSͷόοΫΞοϓ w$MPVE4QBOOFSʹόοΫΞοϓΛࣗಈͰఆظతʹ࣮ߦ͢Δ ػೳ͸ͳ͍ w$MPVE4DIFEVMFS͔Β"1*ϦΫΤετΛૹΔ͜ͱͰఆظతʹ ࣮ߦՄೳ wͭͷόοΫΞοϓํ๏ ύϑΥʔϚϯε Өڹ ϙʔλϏϦςΟ อ࣋ظؒ όοΫΞοϓ ͳ͠ Πϯελϯεʹ ඥ͖ͮҠಈෆՄ ࠷௕೥ؒ ΤΫεϙʔτ ௿ ೚ҙͷετϨʔδ্ Ͱอ؅ ࡟আ͢Δ·Ͱ https://cloud.google.com/spanner/docs/backup

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$MPVE4QBOOFSͷόοΫΞοϓ w$MPVE4DIFEVMFS୯ମͰ΋όοΫΞοϓͷऔ ಘ͸Ͱ͖Δ͕ wΤΫεϙʔτδϣϒࣦഊ࣌ʹ4MBDL௨஌͍ͨ͠ wΤΫεϙʔτδϣϒͷ࣮ߦ࣌ؒΛܭଌ͍ͨ͠ πʔϧͷ࣮૷Λݕ౼

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πʔϧΛ࣮૷͢Δͱ͖ͷબ୒ࢶ w"QQ&OHJOF$SPOαʔϏε w$MPVE4DIFEVMFS$MPVE'VODUJPOT w$MPVE4DIFEVMFS$MPVE3VO

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ӡ༻ޙʹൃੜͨ͠໰୊ w։ൃऀ͸"QQ&OHJOFΛૢ࡞͢ΔݖݶΛ࣋ ͨͳ͍ͷͰ43&͕ઃఆ wઃఆΛߋ৽͍ͨ͠৔߹΋43&ʹґཔ

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43& ӡ༻ޙʹൃੜͨ͠໰୊ "QQ&OHJOF "QQ&OHJOF %FWFMPQFS %FQMPZ #PUUMFOFDL )FBWZXPSLMPBE 3FRVFTU

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ӡ༻ޙʹൃੜͨ͠໰୊ͷվળ w"QQ&OHJOFͷσϓϩΠύΠϓϥΠϯΛߏங ͢Δ͜ͱͰ໰୊ΛղܾͰ͖ͦ͏Ͱ͸͋Δ͕ wόοΫΞοϓͷͨΊ͚ͩʹ࢓૊ΈΛ௥Ճ͢Δ ͷ͸େม w؅ཧ͢Δ΋ͷ͕෼ࢄ͢Δ

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ӡ༻ޙʹൃੜͨ͠໰୊ͷվળ w4QJOOBLFS1JQFMJOFΛ:".-Ͱ࡞੒͢Δ࢓૊ Έ͕͋Δ w,VCFSOFUFT$SPO+PCͰ࣮ߦ͢Ε͹ɺ1JQFMJOF ͷߏஙͱ+PCͷઃఆΛ:".-Ͱ׬݁Ͱ͖Δ wΞϓϦέʔγϣϯͱಉ͡Α͏ʹ؅ཧͰ͖Δ IUUQTTQFBLFSEFDLDPNLFJTVLFZBNBTIJUBTQJOOBLFSEFTIJKJBOTVSVNBJLVSPTBCJTVGBMTFBORVBOOBSJSJTVIVSPUPCFTVUPQVSBLVUFJTV TMJEF

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ӡ༻ޙʹൃੜͨ͠໰୊ͷվળ w,VCFSOFUFT$SPO+PCͰ࣮ߦ͢ΔͨΊʹ͸ ίϯςφΠϝʔδ͕ඞཁ wϚΠΫϩαʔϏε͝ͱʹΠϝʔδΛ࡞੒ wઐ༻ͷ%PDLFS fi MFΛ࡞੒ͯ͠ΠϝʔδΛϏϧυ w43&͕࡞੒ͨ͠ΠϝʔδΛ֤ϚΠΫϩαʔϏ εͰ࢖༻

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43&ϚωʔδυͳΠϝʔδΛ࢖༻ͨ͠ӡ༻ $POUBJOFS3FHJTUSZ %FWFMPQFS .BOBHF ,VCFSOFUFT$SPO+PC 3VO$%1JQFMJOF %FQMPZ 6TF*NBHF 43& :".- 'FUDI 'PDVTPOJNBHFNBOBHFNFOU 0OMZNBOBHF:".-

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͜͜·Ͱͷ·ͱΊ w$MPVE4QBOOFSͷόοΫΞοϓΛ։ൃऀ͕ ΦʔφʔγοϓΛ࣋ͬͯઃఆͰ͖ͳ͔ͬͨ w43&ͷෛՙ΋ߴ͔ͬͨ w։ൃऀࣗ਎ͰઃఆͰ͖ΔΑ͏ʹ؀ڥΛ੔උ w։ൃऀͷΦʔφʔγοϓΛଛͳΘͣɺ43&ͷෛ ՙΛܰݮ

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ӡ༻ͷ࢓૊ΈΛ,VCFSOFUFT্ʹ ౷Ұ͢ΔϝϦοτ

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࢓૊ΈΛ,VCFSOFUFT্ʹ౷Ұ͢ΔϝϦοτ w:".-Λॻ͍ͯϦιʔεΛσϓϩΠ͢Δͩ ͚ͱ͍͏खܰ͞ w։ൃऀ͕؅ཧ͢Δͷ͸:".-͚ͩ wπʔϧ͝ͱʹΩϟονΞοϓ͢΂͖͜ͱ͕গ ͳ͍ͷͰӡ༻ͷෛ୲͕ݮΔ

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࢓૊ΈΛ,VCFSOFUFT্ʹ౷Ұ͢ΔϝϦοτ wઃఆ࡞ۀ͕νʔϜ಺Ͱ׬݁͢ΔͨΊΦʔ φʔγοϓΛଛͳΘͳ͍ wӡ༻ͷ࢓૊ΈΛઃܭ͢Δ্Ͱॏཁ wεέʔϥϒϧͳ૊৫Λͭ͘ΔͨΊʹ͸ඞཁ ෆՄܽ

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·ͱΊ

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ຊηογϣϯͷ·ͱΊ wӡ༻ମݧ޲্ͷͨΊʹӡ༻ʹ$B%ͷ࢓૊ΈΛ औΓೖΕͨࣄྫΛ঺հ wӡ༻ͷ࢓૊ΈΛ,VCFSOFUFT্ʹ౷Ұ͢Δ͜ͱ ͰҎԼΛ࣮ݱ w:".-Λॻ͍ͯσϓϩΠ͢Δ͚ͩͷखܰ͞ w։ൃऀͷΦʔφʔγοϓΛଛͳΘͳ͍ӡ༻؀ڥ $B%$PO fi HVSBUJPOBT%BUB