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Wantedly Visit on Kubernetes
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Shimpei Otsubo
September 26, 2018
Programming
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Wantedly Visit on Kubernetes
Shimpei Otsubo
September 26, 2018
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Transcript
©2018 Wantedly, Inc. Wantedly Visit on Kubernetes Wantedly ͷͯ͢ͷαʔϏεΛ Kubernetes
ΛҠߦͤͨ͞ཧ༝ͱۤ࿑ SRE Lounge #5 26.Sep.2018 - Shimpei Otsubo @potsbo
©2018 Wantedly, Inc. ͨΒ͘Λ໘ന͘ ༗໊اۀϕϯνϟʔɺελʔτΞοϓاۀɺؾʹ ͳΔΦϑΟεʹΛฉ͖ʹ͍͜͏ɻ ΩϥͬͱޫΔγΰτϓϩδΣΫτɺձࣾΛݟ͚ͭ ͯΤϯτϦʔ͠·͠ΐ͏ɻΓ߹͍ͷͭͳ͕Γ͕ ͔ͬͯ҆৺Ͱ͢ɻ ϓϩϑΟʔϧΛॆ࣮ͤ͞Δ͜ͱͰɺ࠾༻୲ऀ͔Β
ΦϑΟε๚ͷট͕དྷΔ͔͠Ε·ͤΜɻ
©2018 Wantedly, Inc. ड͚औ໊ͬͨશͯΛɺճͷࡱӨͰ ಉ࣌ʹಡΈࠐΈɻ ಡΈࠐΜ໊ͩਓೳ͕ଈ࣌σʔ λԽ͠ɺ࿈བྷாʹՃ͞Ε·͢ɻ ݡ໊͘ཧ
©2018 Wantedly, Inc. 4IJNQFJ0UTVCP!QPUTCP Infrastructure Team, Wantedly, Inc. 2018 New
Grads Kubernetes Dev Tools CI / CD AuthN / Z Productivity Dvorak
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. ڞ௨σʔλج൫ ΠϯϑϥνʔϜ͕࠷͍ۙͬͯΔ͜ͱ αʔϏεϝογϡࢄτϨʔγϯά ΤϯδχΞͷੜ࢈ੑ 43&͚ͩͰͳ͍
©2018 Wantedly, Inc. ڞ௨σʔλج൫ ΠϯϑϥνʔϜ͕࠷͍ۙͬͯΔ͜ͱ αʔϏεϝογϡࢄτϨʔγϯά ΤϯδχΞͷੜ࢈ੑ 43&͚ͩͰͳ͍ ࣗͷڵຯ
©2018 Wantedly, Inc. ڧ͍ਓ ೖࣾि ࣗ ʮࣾͷੜ࢈ੑ্͕͛·͢ʂʂʯ ʮ͓લੜ࢈ੑͬͯԿ͔Θ͔ͬͯΜͷ͔ʁʯ
©2018 Wantedly, Inc. ྔ ୯Ґ࣌ؒ͋ͨΓʹҰਓͷΤϯδχΞ͕࡞ΕΔՁͷ ࣗͷճ
©2018 Wantedly, Inc. ࣭ ୯Ґ࣌ؒ͋ͨΓʹҰਓͷΤϯδχΞ͕࡞ΕΔՁͷ ྔ ͱ ڧ͍ਓͷճ
©2018 Wantedly, Inc. ड͚औ໊ͬͨશͯΛɺճͷࡱӨͰ ಉ࣌ʹಡΈࠐΈɻ ಡΈࠐΜ໊ͩਓೳ͕ଈ࣌σʔ λԽ͠ɺ࿈བྷாʹՃ͞Ε·͢ɻ ݡ໊͘ཧ ,VCFSOFUFT͕ͳ͚Ε8BOUFEMZ1FPQMFͳ͔ͬͨ ͦͦ࡞ΕΔͱ͍͏ൃʹͳΒͳ͔ͬͨ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. ͨΒ͘Λ໘ന͘ ༗໊اۀϕϯνϟʔɺελʔτΞοϓاۀɺؾʹ ͳΔΦϑΟεʹΛฉ͖ʹ͍͜͏ɻ ΩϥͬͱޫΔγΰτϓϩδΣΫτɺձࣾΛݟ͚ͭ ͯΤϯτϦʔ͠·͠ΐ͏ɻΓ߹͍ͷͭͳ͕Γ͕ ͔ͬͯ҆৺Ͱ͢ɻ ϓϩϑΟʔϧΛॆ࣮ͤ͞Δ͜ͱͰɺ࠾༻୲ऀ͔Β
ΦϑΟε๚ͷট͕དྷΔ͔͠Ε·ͤΜɻ 8BOUFEMZ7JTJU,VCFSOFUFTʹࡌͤΔͱ։ൃͷ্࣭͕͕Δ͔ʁ ͦͦ࡞ΕΔͱ͍͏ൃʹͳΒͳ͔ͬͨͷ͕࡞ΕΔ͔ʁ
©2018 Wantedly, Inc. ׂͱϞϊϦγοΫ ϚΠΫϩαʔϏε શ෦ Ұ෦ ͜Ε·Ͱ
©2018 Wantedly, Inc. ׂͱϞϊϦγοΫ ϚΠΫϩαʔϏε શ෦ શ෦ ͜Ε͔Β
©2018 Wantedly, Inc. ͯ͢ͷαʔϏε͕ ݸͷେখ༷ʑͳ microservice
©2018 Wantedly, Inc. ݸͷେখ༷ʑͳ microservice ΄΅ γϯϓϧͳ͕ͭ)FSPLVʹ͍ͨΓ Ҡߦ͍ͨͭ͠શ෦Ҡߦ͖ͬͨ͠ མͪͯࠔΔͭ ͯ͢ͷαʔϏε͕
©2018 Wantedly, Inc. on KubernetesԽ࠷ޙͷࡆ
©2018 Wantedly, Inc. Կނ͔ͬͨ͠ʁ ͦΕͰͬͨཧ༝ʁ ҠߦલޙͷϑϩʔͦΕͧΕ ସ࡞ۀ ·ͱΊ Ҡߦ࡞ۀ
©2018 Wantedly, Inc. Կނ͔ͬͨ͠ʁ
©2018 Wantedly, Inc. ن͕େ͖͗ͯ͢ఆ֎ ՝ Өڹൣғ͕͗͢Δ
©2018 Wantedly, Inc. Created github.com/wantedly/wantedly Commits Docker Image Repo ՝
Sep 6, 2011 147,687 517.76MB 4GB ن͕େ͖͗ͯ͢ఆ֎ %PDLFSCVJMEʹҎ্͔͔Δ͜ͱΛఆͯ͠ͳ͍ ࣾͷ,VCFSOFUFTͷӡ༻ϑϩʔʹWJTJU͕ͦͷ··Εͳ͍ සൟʹߋ৽͞ΕΔXFCαʔόʔલఏʹ͍ͯ͠ͳ͍
©2018 Wantedly, Inc. Ք͙͓ۚ github.com/wantedly/wantedly ґଘ͢ΔαʔϏε ՝ ͨ͘͞Μ Өڹൣғ͕͗͢Δ 6TFSσʔλ7JTJUͷͷΛ1FPQMFͰྲྀ༻͍ͯ͠Δ
7JTJU͕མͪΔͱ1FPQMFམͪΔ ͪΐͬͱ͘ͳΔ͚ͩͰച্ʹӨڹ ͨ͘͞Μ ࠷ॳظ͔Β͋ΔαʔϏεͳͷͰׂͱ͕େ͖͍
©2018 Wantedly, Inc. Ϟνϕʔγϣϯ ΠϯϑϥͷҰຊԽ 7JTJUΠϯϑϥͷෛ࠴Խ
©2018 Wantedly, Inc. ҟͳΔ̎ͭͷΠϯϑϥΛཧ͢Δͷ͕ίετ "VUPTDBMF͍ͨ͠ *TUJP͍Ε͍ͨ 3#"$͍ͨ͠ ৽͍͜͠ͱΛ͍ͨ࣌͠ Πϯγσϯτ͕ىͬͨ࣌͜ 8PSLFSΛࢭΊ͍ͨʂ
8FCΛεέʔϧ͍ͤͨ͞ʂ Ϟνϕ ΠϯϑϥͷҰຊԽ ՕॴͰಉ͜͡ͱΛҧ͏ํ๏Ͱʜ ঢ়گʹ߹Θͤͯਖ਼͍͠ํ๏Λબʜ
©2018 Wantedly, Inc. ݟΕΔਓ͕গͳ͘ͳ͖ͬͯͨ ͍ΖΜͳͷΛॳظ͔Β͍ͬͯΔ ͪΐͬͱ৽͍͜͠ͱΛΔ͚ͩͰҰۤ࿑ Ϟνϕ 7JTJUΠϯϑϥͷෛ࠴Խ ࣌ඪ४ͰͰ͖ͳ͔ͬͨ͜ͱΛϋοΫ͍ͯͨ͠ ࠓͰࣗͰؤுΒͳ͍͍ͯ͘͜ͱଟʑ͋Δ
มԽʹڧ͘ͳ͍ʜ %PDLFSҎલ͔ΒLTҎ্લ͔Β
©2018 Wantedly, Inc. Ϟνϕʔγϣϯ ΠϯϑϥͷҰຊԽ 7JTJUΠϯϑϥͷෛ࠴Խ ن͕େ͖͗ͯ͢ఆ֎ ՝ Өڹൣғ͕͗͢Δ
©2018 Wantedly, Inc. ଔઌഐͷνϟϨϯδʂ ΠϯϑϥνʔϜ৽ଔ͕ຖνϟϨϯδ ଔઌഐͷνϟϨϯδʂ ࣌ظঘૣ ࣌ظঘૣ ଔͷԶͷνϟϨϯδʂ ࠓͳΒߦ͚Δʂ
©2018 Wantedly, Inc. Kubernetes ҠߦԿઓ͖ͯͨ͠ େ͖ͳোน͕গͳ͘Ϟνϕ͋Δࠓ͔͠ͳ͍ʂ ͍·ͷLTʹYY͕ͳ͍ͷͰࠓஅ೦ʜ ͦΕ͕࣏ͬͨࠒʹผͷ͕ʜ
©2018 Wantedly, Inc. ҠߦલޙͷEFQMPZϑϩʔ
©2018 Wantedly, Inc. ࣾͷ,VCFSOFUFTͷϑϩʔ શ෦Ϛωʔδυ set image check pull deploy
push push hook build build
©2018 Wantedly, Inc. tag commit hash ͱ latest ͷΈ
GitHub ͷ commit status Ͱ image ͕ ready ͔Θ͔Δ ΄΅ҙͷ commit ༻ͷ image ͕ଘࡏ push push hook build build ࣾͷ,VCFSOFUFTͷϑϩʔ શ෦Ϛωʔδυ
©2018 Wantedly, Inc. `kube prod deploy master` Ͱ deploy Ͱ͖Δ
෦Ͱ kubectl set image ڥ͝ͱͷࠩҟڥมͷΈͰཧ set image check pull deploy ࣾͷ,VCFSOFUFTͷϑϩʔ શ෦Ϛωʔδυ
©2018 Wantedly, Inc. શ෦AWS build hook push hook intermediate ࣾͷ,VCFSOFUFTͷϑϩʔ
ssh deploy hook restart build push pull prod pull ͍͠…
©2018 Wantedly, Inc. શ෦AWS ࣾͷ,VCFSOFUFTͷϑϩʔ ͍͠… cache ͳ͠Ͱਅ໘ʹ docker build
͢Δͱ1࣌ؒ FROM wantedly/wantedly:intermediate tag prod / qa / intermediate ࡞࣌ແݶʹ image Λஔ͚Δ registry ͕ͳ͔ͬͨ Docker run Ͱಈ͔͔ͨͬͨ͠ͷͰ .env image ͷͳ͔ build hook push hook intermediate
©2018 Wantedly, Inc. શ෦AWS ࣾͷ,VCFSOFUFTͷϑϩʔ ͍͠… Deploy ࣌ʹ build ઐ༻αʔόʔͰ
build Deploy pull and restart Blue / green ssh deploy hook restart build push pull prod pull
©2018 Wantedly, Inc. CVJME 7JTJU #VJME%FQMPZϑϩʔࠩ UBH ڥม 1FPQMF ઐ༻Πϯελϯε
5SBWJT ڥʹରԠ $PNNJUIBTIʹରԠ JNBHFͷத LTͷTFDSFUT EFQMPZ CMVFHSFFO SPMMJOH શ෦"84 ΄΅Ϛωʔδυ Πϯϑϥ 1FPQMFଆʹऩଋ͍ͤͨ͞
©2018 Wantedly, Inc. Ҡߦ࡞ۀ
©2018 Wantedly, Inc. NBTUFSQVTI͔ΒEFQMPZྃ·Ͱ ཁ݅ 5SBWJTͰCVJME͍ͨ͠
©2018 Wantedly, Inc. Ͱ͖ΔݶΓͷ͜ͱΛ build ҎલʹऴΘΒͤΔΑ͏ʹ ൿಗใΛҰೖΕͳ͍EPDLFSJNBHFʹมߋ $*ͰCVJME͢ΔͨΊʹ *OUFSNFEJBUFΛ৽ͯ͠શڥ౷ҰͷJNBHF ΄ͱΜͲͷ͕࣌ؒ
asset sync -> gem ʹ patch ͦͷଞॾʑ…
©2018 Wantedly, Inc. 1VTI͔Β10Ͱbuild ྃ ͰऴΘΒ͍͕ͤͨҰ୴ेͰ͋Δͱஅ Ͱͬͯ
©2018 Wantedly, Inc. ͰऴΘΒ͍͕ͤͨҰ୴ेͰ͋Δͱஅ ͬͱؤுΔํ๏ $JSDMF$*ʹҠߦ͢Δ 'SPOUFOEΛผϨϙδτϦʹ͢Δ ΫϥελͰCVJME͢Δ -BZFSDBDIF͕͑ͯૣ͍ͣ Ͱͬͯ
1VTI͔Β10Ͱbuild ྃ
©2018 Wantedly, Inc. %FQMPZ3PMMCBDLΛམͱͨ͘͠ͳ͍
©2018 Wantedly, Inc. 3PMMCBDLͷ͕མͪΔͷఘΊΔ #MVFHSFFOͱಉ͡CMVFHSFFO͡Όͳ͍ͱແཧ Ͳ͏ͤSPMMCBDL͢Δ͔ͷஅࣗମʹ͍ͬͯΔͷͰ͘͢͝େࣄͰͳ͍ʁ
©2018 Wantedly, Inc. %FQMPZ3PMMCBDLΛԿߦͬͯܭଌ #MVFHSFFOΛΊΔͨΊʹ ΞϓϦέʔγϣϯνʔϜͱΑ͘σΟεΧογϣϯΛͨ͠ ݁ہίϛϡχέʔγϣϯ͕େࣄ Կ͕Ͱ͖ͯԿ͕Ͱ͖ͳ͍ͷ͔Λ໌֬ʹ
©2018 Wantedly, Inc. ͋͞Ҡߦͩʂ
©2018 Wantedly, Inc. ͋͞Ҡߦͩʂͷલʹ
©2018 Wantedly, Inc. ։ൃݕূڥ͚ͩҠߦͨ͠ Ҡߦ࡞ۀࢼݧ ৽͍͠ΦϖϨʔγϣϯͷΛચ͍ग़͢
©2018 Wantedly, Inc. ͋͞Ҡߦͩʂ ͜ΜͲͦ͜
©2018 Wantedly, Inc. 1SPEΛϑϦʔζͯ྆͠ํʹEFQMPZ چ"-# ৽"-# JOUFSOBM DNS
©2018 Wantedly, Inc. چ"-# ৽"-# JOUFSOBM DNS Ұ෦τϥϑΟοΫΛOHJOY͔Βྲྀ͢ ༧Ί༻ҙ͓͍ͯͨ͠ύλʔϯʹҰॠͰมߋͰ͖ΔΑ͏ʹ͓͍ͯͨ͠ BCPSU͕༰қ
©2018 Wantedly, Inc. શτϥϑΟοΫΛLTʹྲྀ͢ چ"-# ৽"-# JOUFSOBM DNS
©2018 Wantedly, Inc. Ұ୴BCPSUͨ͠ چ"-# ৽"-# JOUFSOBM DNS ͜ͷ࣌গ͠ࣄނΛى͕ͨ͜͠ɺҰॠͰBCPSUͰ͖ΔQBUIΛ༻ҙ͓͍ͯͨ͠ͷྑ͔ͬͨ
©2018 Wantedly, Inc. Γ͠ چ"-# ৽"-# JOUFSOBM DNS
©2018 Wantedly, Inc. %/4Γସ͑ چ"-# ৽"-# JOUFSOBM DNS
©2018 Wantedly, Inc. چ"-# ৽"-# JOUFSOBM DNS ྃʂʂʂ
©2018 Wantedly, Inc. DNS ྃʂʂʂ ৽"-#
©2018 Wantedly, Inc. %/4Γସ͑ ৽ALB͕ड͚ͨϦΫΤετͷׂ߹ DNSସ
©2018 Wantedly, Inc. %/4Γସ͑ ৽ALB͕ड͚ͨϦΫΤετͷׂ߹ DNSସ
©2018 Wantedly, Inc. ίϚϯυ࣮ߦ͕ૣ͘ͳͬͨ %FQMPZ͕ૣ͘ͳͬͨ ݁Ռ DBෛՙ͕ݮͬͨ Autoscale͕Ͱ͖ΔΑ͏ʹͳͬͨ ϫʔετ Ұൠతʹఔ
CMVFHSFFOͰͳ͘ͳͬͨͨΊ
©2018 Wantedly, Inc. ϑϩʔ͕͋ΔͱҠߦ͍͢͠ ֶΜͩ͜ͱ ϑΥʔϧόοΫઌ৻ॏʹ Ϛωʔδυָ ࢼݧΛͯ͠ࣄނى͜Δ ఘΊΔ͜ͱେࣄ 1PTUNPSUFNେࣄ
ࣄނΛىͨ͜͠ຊਓཱͪΕΔ
©2018 Wantedly, Inc. We’re Hiring .JDSPTFSWJDFT.POEBZ HJUIVCDPNXBOUFEMZNJDSPTFSWJDFT@NPOEBZ