SRE を実現するための組織マネジメント / Management to achieve SRE

by Takeshi Kondo

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SRE Λ࣮ݱ͢ΔͨΊͷ૊৫Ϛωδϝϯτ Takeshi Kondo / @chaspy 2022/03/12 6ࣾ߹ಉ SREษڧձ

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Who am I chaspy chaspy_ Engineering Manager, Site Reliability at Recruit Co., Ltd. Takeshi Kondo https://chaspy.me

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Who am I chaspy chaspy_ ʢגʣϦΫϧʔτ ϓϩμΫτ౷ׅຊ෦ ϓϩμΫτ։ൃ౷ׅࣨ ϓϩμΫτσΟϕϩοϓϝϯτࣨ ·ͳͼྖҬϓϩμΫτσΟϕϩοϓϝϯτϢχοτ খதߴϓϩμΫτ։ൃ෦ খதߴ̨̧̚άϧʔϓ άϧʔϓϚωʔδϟ Takeshi Kondo https://chaspy.me

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ࠓ೔࿩͢͜ͱ ϦΫϧʔτάϧʔϓͷ ʮϛογϣϯϚωδϝϯτʯΛ ׆༻ͯ͠։ൃνʔϜͷ SRE Capability शಘ Λࢧԉͨ͠ࣄྫ

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͋Δ͍͸ (Partially) Embedded / Enabling SRE ͷࣄྫ

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• ։ൃνʔϜͷ৴པੑʹؔ͢Δ Capability शಘʹ͸2छྨ͋Δ • Embedded SRE (from Pure SRE) / ֎͔Β఻͑Δ • Enabling SRE (in the Team) / ಺͔Β޿͛Δ • ૊৫ن໛ɾϑΣʔζʹΑͬͯ࠷దͳύλʔϯ͕ҟͳΔ • খن໛ / ։ൃॳظϑΣʔζͰ͋Ε͹ Embedded SRE Pattern • தେن໛ / ։ൃνʔϜ͕੒ख़ͯ͘͠Ε͹ Enabling SRE Pattern • ͜ͷ2ͭͷύλʔϯ͸ϚωδϝϯτͰσβΠϯͰ͖Δ • 100/0 Ͱͳ͘”෦෼తʹ”࣮ફ͢Δ͚ͩͰ΋ޮՌ͕͋Δ Tl;dr

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Disclimer • Management ͷྫͱͯ͠঺հ͠·͕͢ɺ੒Ռ͕ग़ͨͷ͸ ϛογϣϯΛҾ͖ड͚ͯ͘ΕͨϝϯόʔɺSREɺ։ൃνʔϜ ͷօ͞Μͷ͓͔͛Ͱ͢ɻ͍ͭ΋͋Γ͕ͱ͏͍͟͝·͢ʂ

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Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • ࣄྫɿ(Partially) Embedded / Enabling SRE • ·ͱΊͱࠓޙ

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Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • ࣄྫɿ(Partially) Embedded / Enabling SRE • ·ͱΊͱࠓޙ

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SRE Λ࣮ݱ͢Δͱ͸

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։ൃνʔϜ͕৴པੑΛ ίϯτϩʔϧ͢Δ Capability Λ ਎ʹ͚͍ͭͯΔ͜ͱ

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ͦ΋ͦ΋ Site Reliability Engineering ͱ͸: Not like this • αʔϏε͕ʮߴ͍৴པੑ (ʹ100%)ʯΛอ͍ͬͯΔ͜ͱ • SLI/SLO ΛकΕ͍ͯΔ͜ͱ • ΦϯίʔϧϩʔςʔγϣϯΛ։ൃνʔϜͰߦ͏͜ͱ https://github.com/twitter/twemoji

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ͦ΋ͦ΋ Site Reliability Engineering ͱ͸: Like this! • αʔϏε͕ʮϢʔβ͕ظ଴͢Δ৴པੑʯΛอ͍ͬͯΔ͜ͱ • SLI/SLO Λઃఆ͠ɺඇػೳཁ݅ͱػೳཁ݅ͷ༏ઌ౓ܾఆͷ ࢦඪͱͯ͠׆༻͍ͯ͠Δ • SLO ҧ൓͕ൃੜͨ͠ͱ͖ʹద੾ʹରॲͰ͖ΔΑ͏ͳϞχλ Ϧϯάํ๏ͱϙϦγʔ͕νʔϜͰಉҙ͞Ε͍ͯΔ • ্ه͕ఆظతʹݟ௚͞Ε͍ͯΔ https://github.com/twitter/twemoji

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։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹ͚ͭΔ: Like this! SRE ։ൃ νʔϜ ։ൃνʔϜͷ৴པੑʹ ؔ͢Δ Capability औಘ Λࢧԉ͢Δ ࣗ෼ͨͪͷαʔϏεͷ ৴པੑΛࣗ෼ͨͪͰί ϯτϩʔϧͰ͖͍ͯΔ

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Team Topologies • 4ͭͷνʔϜύλʔϯ • Stream Aligned • Platform • Enabling • Complicated Subsystem • 3ͭͷίϛϡχέʔγϣϯύλʔϯ • Collaboration • X as a Service • Facilitation https://pub.jmam.co.jp/book/b593881.html

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։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹ͚ͭΔ: Like this! SRE ։ൃ νʔϜ ։ൃνʔϜͷࣗݾ׬݁ ԽΛࢧ͑Δϓϥοτ ϑΥʔϜͱจԽΛ࡞Δ Platform Team Enabling Team Stream Aligned Team ։ൃνʔϜ͸ࣗ෼ͨͪͰඞཁͳ ΋ͷΛࣗ෼ͨͪͰ༻ҙͰ͖Δ = self-contained / ࣗݾ׬݁Խ

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SRE Team ͷ Vision / Mission / Values https://blog.studysapuri.jp/entry/sre-vision-mission-values

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Mission ࣗݾ׬݁νʔϜ͕ϓϩμΫ τΛૉૣ҆͘શʹಧ͚ଓ͚ ΔͨΊͷϓϥοτϑΥʔϜ ͱจԽΛ࡞Δ

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Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • ࣄྫɿ(Partially) Embedded / Enabling SRE • ·ͱΊͱࠓޙ

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ʢͦͷલʹʣ ϓϩμΫτ঺հ

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ྺ࢙͔ΒৼΓฦΔ ʰελσΟαϓϦʱSRE

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ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • 2019: Application Platform Λ Kubernetes ΁Ҡ؅ • 2020: Microservices Readiness ͷ੔උ • αʔϏεΦʔφʔγοϓͷࡦఆ • Design Doc / Production Readiness Checklist • Self-services Infrastructure (terraform monorepo) • SLI/SLO • 2021: SLI/SLO ӡ༻Λ։ൃνʔϜʹ׬શҠৡ Platform Team ͱͯ͠ Platform Λ ࡞͍ͬͯΔ Enabling Team ͱͯ͠ ։ൃ૊৫ʹ SLI/SLO ͳͲͷΧϧνϟʔৢ੒

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૊৫ن໛ͷਪҠ ։ൃऀ 43& ։ൃऀ͸ελσΟαϓϦɾQuipper ྆ํͷɺWeb Engineer (frontend&backend) ͷ਺ɻNative ͸আ֎͍ͯ͠Δɻ

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2021೥ɺEnabling SRE Λ։ൃνʔϜ಺͔Β࡞ΔΑ͏ઓུมߋ • ʮ৴པੑʯΛऔΓר͘։ൃ૊৫ͷঢ়گ͕ΑΓΞϓϦέʔγϣϯɾ υϝΠϯʹಛԽͨ͠໰୊ʹͳΓͭͭ͋ͬͨ • ෛՙࢼݧ • υϝΠϯಛԽͷ Pod Auto Scaling • Frontend Performance ͷଌఆ ͓Αͼ SLI/SLO ͷվળ • QA ࣗಈԽ • 1ͭͷ SRE Team ͕ Enabling Team ͱͯ͠ৼΔ෣͏ΑΓɺ։ൃ νʔϜ಺ʹ Enabling SRE Λ࡞Δํ޲ʹઓུมߋ https://blog.studysapuri.jp/entry/2022/02/17/sre-study-session

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։ൃνʔϜ಺ Enabling SRE Λ࡞Δ

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։ൃνʔϜ಺ Enabling SRE Λ࡞Δ

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2020೥ࠒͷঢ়گ SRE ։ൃ νʔϜ ։ൃ νʔϜ Facilitating Facilitating Enabling Team Stream Aligned Team

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2022೥ݱࡏ SRE ։ൃνʔϜ Facilitation SRE mem ber mem ber mem ber Facilitation ϑϥΫλϧతʹͳΔ Platform Team Enabling Team Stream Aligned Team Enabling SRE X as a Service

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Pure SRE vs Embedded SRE https://www.slideshare.net/newrelic/sreiously-de fi ning-the-principles-habits-and-practices-of-site-reliability-engineering-112178269

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2020೥ࠒͷঢ়گ SRE ։ൃ νʔϜ ։ൃ νʔϜ Facilitating Facilitating Pure SRE

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2022೥ݱࡏ SRE ։ൃνʔϜ Facilitating SRE mem ber mem ber mem ber Facilitating ϑϥΫλϧతʹͳΔ Pure SRE Embedded SRE X as a Service

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Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • ࣄྫɿ(Partially) Embedded / Enabling SRE • ·ͱΊͱࠓޙ

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ࠓ೔࿩͢͜ͱ ϦΫϧʔτάϧʔϓͷ ʮϛογϣϯϚωδϝϯτʯΛ ׆༻ͯ͠։ൃνʔϜͷ SRE Capability शಘ Λࢧԉͨ͠ࣄྫ

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͋Δ͍͸ (Partially) Embedded / Enabling SRE ͷࣄྫ

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ϛογϣϯϚωδϝϯτ https://github.com/twitter/twemoji

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ϦΫϧʔτͷϛογϣϯϚωδϝϯτ • ϝϯόʔͷ Will / Can / Must ΛϚωʔδϟͱ͢Γ߹ΘͤΔ • ֤ϛογϣϯ͸ׂ߹ɾ಺༰ɾୡ੒ج४Λ߹ҙ͞ΕΔ • ϛογϣϯͷϨϙʔτϥΠϯ͸ඞͣ͠΋௚ଐͷνʔϜϚωʔ δϟͰ͋Δඞཁ͸ͳ͍

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ϦΫϧʔτͷϛογϣϯϚωδϝϯτ EM Mem ber Mem ber Mem ber Mem ber ϛογϣϯͷ 30%Λ SRE ؔ܎ ͷ΋ͷʹઃఆ SRE ։ൃνʔϜ

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۩ମతʹͲΜͳϛογϣϯΛઃఆ͔ͨ͠ • ։ൃνʔϜϝϯόʔʢதֶߨ࠲ϦχϡʔΞϧͷ։ൃʣ • ΠϯϑϥྖҬͷࣗݾ׬݁Խͷਪਐ 30% • ϓϩμΫτ։ൃͷͨΊͷϛογϣϯ 70% • SRE ϝϯόʔ • ։ൃνʔϜͷ։ൃऀੜ࢈ੑͷαϙʔτ 20% • Production Release ͷαϙʔτ 20% • SRE ͷͨΊͷϛογϣϯ 60% https://studysapuri.jp/course/junior/

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ϦΫϧʔτͷϛογϣϯϚωδϝϯτ EM Mem ber Mem ber ΠϯϑϥྖҬͷ ࣗݾ׬݁Խͷਪ ਐ(30%) SRE ։ൃνʔϜ ϓϩμΫτ։ൃʹؔ͢Δ ϛογϣϯ(70%) ։ൃऀੜ࢈ੑ/ Production Release ͷ αϙʔτ(40%) / (ଞ60%)

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Ϛωʔδϟ͕΍ͬͨ͜ͱ • ֤ϝϯόʔͱͷఆظతͳ 1on1 • ϛογϣϯͷதؒৼΓฦΓ • ϛογϣϯΛՄࢹԽ͢ΔϛογϣϯπϦʔͷ࡞੒ • ϛογϣϯͷ૬ޓઆ໌ͷ৔ͷઃఆ

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ϛογϣϯΛՄࢹԽ͢ΔϛογϣϯπϦʔ https://blog.studysapuri.jp/entry/2022/02/25/sre-mission-tree

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Կ͕ى͖ͨͷ͔(1) • ੜ࢈ੑվળαΠΫϧͷՃ଎ • ՝୊ͷٵ্͍͛ -> ࣮૷ -> ϑΟʔυόοΫ -> վળͷαΠΫϧ͕Ճ଎

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Կ͕ى͖ͨͷ͔(2) • SRE Culture ͷ఻ൖɿϓϨϞʔςϜͷ࣮ࢪ https://blog.studysapuri.jp/entry/pre-mortem

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Կ͕ى͖ͨͷ͔(3) • ΞϥʔτϋϯυϦϯάͷαϙʔτ • Alert ͦͷ΋ͷͷઆ໌ɺௐࠪํ๏͸ SRE ͕αϙʔτ • ରԠͦͷ΋ͷ͸։ൃνʔϜͰ࣮ࢪ

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݁ՌͲ͏ͳ͔ͬͨ • େ͖ͳো֐ͳ͘ελσΟαϓϦதֶߨ࠲ͷϑϧϦχϡʔΞϧ ͕ϦϦʔε • ։ൃνʔϜͰΞϥʔτରԠ࣮ݱ https://studysapuri.jp/course/junior/ https://github.com/twitter/twemoji

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ࠓճ΍ͬͨ͜ͱ͸ͳΜͩͬͨͷ͔ SRE ։ൃνʔϜ SRE mem ber mem ber mem ber Facilitation Pure SRE (։ൃνʔϜ಺) (Partially) Enabling SRE SRE (Partially) Embedded SRE ͱͯ͠Ҡಈ

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ࠓճ΍ͬͨ͜ͱ͸ͳΜͩͬͨͷ͔ SRE ։ൃνʔϜ SRE mem ber mem ber mem ber Facilitating Pure SRE (։ൃνʔϜ಺) (Partially) Enabling SRE SRE (Partially) Embedded SRE ͱͯ͠Ҡಈ

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ࠓճ΍ͬͨ͜ͱ͸ͳΜͩͬͨͷ͔ SRE ։ൃνʔϜ SRE mem ber mem ber mem ber Collaboration Pure SRE (։ൃνʔϜ಺) (Partially) Enabling SRE SRE (Partially) Embedded SRE ͱͯ͠Ҡಈ

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ࠓճͷύλʔϯͷߟ࡯ • Enabling SRE ʹΑΔ Facilitating ͸”த”͔Β࡞Δํ͕ྑ͍ • ΑΓ։ൃνʔϜͷӡ༻ελΠϧʹ͋ͬͨܗͰద༻Ͱ͖Δ • ٕज़తͳ࣮૷͸ Platform ʹৄ͍͠ Pure SRE ͕”֎”͔Β Embedded ͞Εͯ Collaboration ͨ͠ํ͕ྑ͍ • ArgoCD, GitHub Actions ͳͲ Infrastructure ͸ Pure SRE ͕ৄ͍͠ • ՝୊ൃݟɺ࣮૷ɺϑΟʔυόοΫαΠΫϧΛߴ଎ʹճ͢͜ͱͰΑΓྑ ͍ Platform ͕ఏڙͰ͖Δ

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Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • ࣄྫɿ(Partially) Embedded / Enabling SRE • ·ͱΊͱࠓޙ

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ࠓޙ͸͞Βʹ։ൃνʔϜͷεέʔϥϏϦςΟͷͨΊʹҎԼʹऔΓ૊Ή • SRE Capability शಘࢧԉ • ϛογϣϯϚωδϝϯτʹΑΔ։ൃνʔϜ಺ Enabling SRE ͷ࠾༻ • SRE ੒ख़౓Ξηεϝϯτͷ࡞੒ɾ࣮ࢪ • SRE ஌ࣝɾٕज़शಘͷͨΊͷΦϯϘʔσΟϯάࢧԉ • Developer Success / ։ൃੜ࢈ੑ޲্ࢧԉ • Platform Λ Product ͱͯ͠։ൃ͢Δ • Developer Support ࠓճͷࣄྫ

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Special Thanks • @kyontan • As Embedded SRE • @ravelll • As Enabling SRE • ʰελσΟαϓϦʱதֶߨ࠲ϑϧϦχϡʔΞϧʹؔΘͬͨશͯͷਓ • SRE νʔϜϝϯόʔ

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Thank you! chaspy chaspy_ Engineering Manager, Site Reliability at Recruit Co., Ltd. Takeshi Kondo https://chaspy.me

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͓·͚ɿSRE ੒ख़౓Ξηεϝϯτ