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When to use golang in production
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y_matsuwitter
March 11, 2015
Programming
3
9.5k
When to use golang in production
白ヤギ勉強会発表資料
y_matsuwitter
March 11, 2015
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Transcript
When to use golang in production @y_matsuwitter 1
ࣗݾհ • ։ൃຊ෦ࣥߦһࡶ༻ • iOS, Android, Infrastructure, Web • Golang!!
Docker!! • ਖ਼࠲ 2
ࠓͷ • ҰൠతͳWeb/AppαʔϏεʹ͓͚ΔGoݴޠͷӡ༻ʹ͍ͭͯ 3
Goݴޠͷಛ • CPUɾϝϞϦ྆໘͔Βݟͯܰྔ • Ͳ͜Ͱಈ࡞͢ΔόΠφϦ • ੩తܕ͚ݴޠ • ฒߦɾฒྻॲཧ͕ॻ͖͍͢ (goroutine)
4
Goݴޠͷۤखͳͷ • LL΄ͲͷॊೈੑͨͤͮΒ͍ʢreflectͱ͔͋Δ͚Ͳʣ 5
Α͋͘ΔWeb/Appͷߏ 6
ࢀߟ: GunosyͷΠϯ ϑϥ AWS ಋೖࣄྫɿGunosyגࣜձࣾΑΓ 7
NativeApp iOS/AndroidͰಈ࡞͢ΔόΠφϦΛੜ͢Δ • go.mobile • go v1.4͔ΒAndroidΞϓϦ࡞Ε·͢ • go v1.5͔ΒiOSαϙʔτ։࢝
8
NativeApp: GunosyͰͷ • go-mobileΛɺGoͱ֤छΫϥΠΞϯτͷϞσϧपΓڞ௨Խʹ ͏ݕ౼ ͔͠͠ࠓͷͱ͜Ζ࣮༻తͰͳ͍ 9
Web App ֤ϖʔδͷHTMLඳը • text͚ɺhtml͚ͦΕͧΕͷTemplateΛඪ४Ͱඋ͍͑ͯ· ͢ • net/httpͰେࣄΓ·͢ ͨͩ͠ɺRailsDjangoͷϖʔδϨϯμϦϯάػߏͱൺΔͱ ॊೈੑ͘ɺΓͳ͍
10
Web Appʹ͍ͭͯ SPA͕ओྲྀʹͳ͍ͬͯΔ͜ͱΛߟ͑ΔͱɺϖʔδͷϗεςΟϯά ʹͦΕ΄Ͳߴػೳඞཁͳ͍ ϑΝΠϧΛฦ͚ͩ͢Ͱ͋ΕGolangͰे ϖʔδͷ։ൃjsͷ্ʹ͔ͬΖ͏ 11
Web Appʹ͍ͭͯ: GunosyͰͷ ฐࣾͷWebApp։ൃͰ • ϖʔδϋϯυϥGo • ϑϩϯτΤϯυʢHTML, JS, CSSʣશͯgulpͰ։ൃ
• σʔλجຊతʹAPIܦ༝Ͱͷऔಘ ͱ͍͏ܗࣜʹ͍ͯ͠·͢ɻ APIܦ༝ʹ౷Ұ͢Δ͜ͱͰωΠςΟϒΞϓϦͱWebͷ༷Λڞ௨ 12
API ओλεΫ: ύϥϝλΛड͚औΓదͳϏδωεϩδοΫΛܦͯ JSONͳͲΛฦ٫͢Δ • Go͕Ұ൪׆༂ • ϋΠύϑΥʔϚϯεͳAPIΛظؒͰߏங͍͢͠ 13
API: GunosyͰͷ • ࣗࣾWebFWͷKamiΛར༻ • ڞ௨ॲཧΛผϦϙδτϦͰཧ͠go get • nginx͔ΒϓϩΩγ͢Δ߹͋Δ •
WebSocketར༻ͷ߹DNSϥϯυϩϏϯͰৼΓ͚͠ GoͰड͚͢Δ 14
ؓٳ: GoͷORMʹ͍ͭͯ • GunosyͰORMΛ͓ͬͯΓ·ͤΜ • GORM͕ओྲྀͳ༷ • ւ֎൛ͷAPIʹͯGorpΛར༻͍ͯ͠Δ 15
AdminApp ओλεΫ: ΞϓϦέʔγϣϯཧऀ͕DB্ͷσʔλɺKPIͳͲ ͷཧΛߦ͏ • GoͷදݱྗͰߏஙͷͨΊʹશͯͷϩδοΫΛهड़͢Δ͜ͱ ͕ଟ͍ • ͜ͷΜdjango-adminRailsAdminΛ͏΄͏͕ͤ 16
AdminApp: GunosyͰͷ • ͓͓ΑͦDjango-admin͕ར༻͞Εͭͭ͋Γ·͢ • KPIμογϡϘʔυʹGeckoBoardMackerelΛݕ౼ɾར ༻͠ӡ༻ίετݮ • Goཧը໘͕Ұ͚ͭͩ͋Γ·͕͢ɺ΄΅ෳࡶͳػೳͷΈʹ ಛԽʢνϟοτΛฦ͢ͳͲʣ
17
ूܭɾόονॲཧ ఆظతʹɺ࣌ʹେنͳσʔλॲཧΛߦ͏ • Goࣗମͷॲཧੑೳߴ͍͕ɺॊೈ͞ʹ͔͚Δ • ෳHostͰεέʔϧͤ͞Α͏ͱ͢ΔͱGoʹ·ͩ͜ͳΕͨ Έ͕ͳ͍ • ...gRPC? 18
ूܭɾόονॲཧ: GunosyͰͷ • ΄ͱΜͲPython + CeleryͰॲཧ͍ͯ͠Δ • େCeleryͰͷࢄ͕εέʔϧ͘͢͠Pythonࢿ࢈͋ ΔͷͰָ •
Ұ෦ͷΩϟογϡΛࡌͤΔΑ͏ͳॲཧAPIͰ༻ͨ͠Goͷ ϞσϧΛ͏͜ͱ 19
ؓٳ: Goͱػցֶश • աڈminhashͱ͔࡞ͬͯΈͨ • ྻॲཧ͕ͭΒ͍ • δΣωϦΫεແ͍ͷͰΧίΠΠmapͳ͍ • Golearnͱ͔͋Γ·͕͢…
20
Πϯϑϥཧɾࢹ • ߏཧChef/AnsibleͳͲΛ͑Δͷͳ͍ • GoΠϯϑϥπʔϧࣗମ૿͍͑ͯΔ • πʔϧΛ͏͜ͱ͋ͬͯɺGoΛ͏͜ͱׂͱগͳ͍ 21
Πϯϑϥཧɾࢹ: GunosyͰͷ • GoͰͨ͠πʔϧಛʹ͋Γ·ͤΜ • ࣾ࠾༻ͷGoπʔϧ܈ Mackerel-agent, Docker, ...etc 22
Ҏ্౿·͑ͯͷఏҊత·ͱΊ • ΞϓϦ։ൃͦΕͧΕͷSDK • WebSPAલఏͰΔ߹ʹGo • APIΛGoɺϋΠύϑΥʔϚϯε͔ͭσϓϩΠ͍͢͠ • ཧը໘django-adminͳͲϑϧελοΫFWָ͕ 23
Ҏ্౿·͑ͯͷఏҊత·ͱΊ(͖ͭͮ) • ूܭɾόονPython + CeleryͳͲطଘࢿ࢈Λ͏΄͏͕Α ͍ • ΠϯϑϥGoπʔϧͷ׆༂͕૿͑Δ 24
࠷ޙʹ • খنͳίʔυϕʔεʹ͑ΔͳΒɺύϑΥʔϚϯεͷ໘͔ ΒݟͯGo࠷ߴ 25