Chrome as a service in Go

by Kei Kamikawa

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$ISPNFBTBTFSWJDFJO(P !(P$POGFSFODF4VNNFSJO'VLVPLB

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!DPEFIFY !$PEF)FY w (P 1FSM w %FWFMPQ.JDSPTFSWJDFT! .FSQBZ .FSDBSJ w ϥʔιʔϝϯ-PWFS

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ࠓ೔࿩͢͜ͱ

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ࠓ೔࿩͢͜ͱ w ؀ڥͷ঺հ w ͳͥ$ISPNFBTBTFSWJDF͔ w Ͳ͏࣮૷ͨ͠ͷ͔ w ύϑΥʔϚϯεͷվળ

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؀ڥͷ঺հ ґཔ಺༰ͱαʔϏεͷ঺հ

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Ճໍళਃ͠ࠐΈࣄۀऀͷ  ৹ࠪ࣌ؒ୹ॖԽ

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IUUQTXXXNFSQBZDPNNFSDIBOU

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w ࣄۀऀͷ৹߲ࠪ໨͸୔ࢁ͋Δ w ৹߲ࠪ໨ͷҰͭͱͯ͋͠Δ1%'ͷऔಘ͕ඞཁ w ͔͠͠खಈͰऔಘ͍ͯͨͨ͠Ί͕͔࣌ؒͳΓֻ͔Δ໰୊͕͋ͬͨ w ࣗಈԽ͢Δ͜ͱͰΦϖϨʔλʔશମͷ1%'ͷऔಘ͕࣌ؒ  ฏۉͰ෼୹͘ͳΔͩΖ͏ͱ༧૝͞Εͨ

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ొ৔͢ΔαʔϏεͷ঺հ

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ొ৔͢ΔαʔϏεͷ঺հ w "ENJO4FSWJDF w 1%'4FSWJDF w $ISPNF4FSWJDF

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ొ৔͢ΔαʔϏεͷ঺հ w "ENJO4FSWJDF w 1%'4FSWJDF w $ISPNF4FSWJDF

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"ENJO4FSWJDF w ΧελϚʔαϙʔτ΍ࣄۀऀ৹ࠪͷͨΊͷػೳΛఏڙ͢ΔαʔϏε w ϑϩϯτΤϯυͱ࿈ܞ͢ΔͨΊʹઐ༻ͷΤϥʔΛฦͤΔ w ࠓճͷҊ݅Ͱ͜ͷαʔϏεʹ৽͘͠ΤϯυϙΠϯτΛੜ΍͢

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ొ৔͢ΔαʔϏεͷ঺հ w "ENJO4FSWJDF w 1%'4FSWJDF w $ISPNF4FSWJDF

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1%'4FSWJDF w औಘϑΥʔϜͰ1%'Λऔಘ͢Δ͜ͱ͕Ͱ͖Δ w ͦͷऔಘϑΥʔϜ·Ͱೖྗ͢Δ಺༰͕ଟ͍ w ͔͠΋αʔϏεͷཪଆͰ1%'Λ༻ҙ͢Δ͚ͩͰ μ΢ϯϩʔυ͕௚͙ʹͰ͖ΔΘ͚Ͱ͸ͳ͍

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1%'4FSWJDF w औಘϑΥʔϜͰ1%'Λऔಘ͢Δ͜ͱ͕Ͱ͖Δ w εςʔλε͕ෳ਺ଘࡏ͢Δ w औಘத1%'Λ༻ҙͯ͘͠ΕͯΔ w औಘࡁ1%'Λμ΢ϯϩʔυͰ͖Δ४උ͕੔ͬͨ͜ͱΛҙຯ͢Δ w ͦΕҎ֎

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ొ৔͢ΔαʔϏεͷ঺հ w "ENJO4FSWJDF w 1%'4FSWJDF w $ISPNF4FSWJDF

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$ISPNF4FSWJDF w 1%'4FSWJDFͷز͔ͭͷϑΥʔϜ·ͰࣗಈͰೖྗͯ͠࠷ऴత ʹ1%'Λऔಘ͢Δ w ͦͷ1%'ΛΫϥΠΞϯτ΁ฦ͢ w ݱࡏ%BJMZͰ1%'4FSWJDF΁ͷϦΫΤετ਺͸ฏۉҎԼ

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ͳͥ  $ISPNFBTBTFSWJDF͔ $ISPNFΛTFSWJDFͱͯ͠࢖͏͜ͱʹͨ͠ཧ༝

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޻਺ͷ໰୊

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w ༷ʑͳࣄ৘Ͱ޻਺͕ଟׂ͚͘ͳ͔ͬͨ w 1%'Λऔಘ͢Δ·ͰͷΦϖϨʔγϣϯ͸γϯϓϧ w Ͳ͏ʹ͔ͯ͠ϒϥ΢βૢ࡞Λه࿥ͯ͠ίʔυԽ͔ͨͬͨ͠

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w $ISPNF%FW5PPMT1SPUPDPMΛར༻ͯ͠$ISPNFΛૢ࡞Ͱ ͖Δ/PEFKTͷϥΠϒϥϦ w 1VQQFUFFSIUUQTQQUSEFW w %FW5PPMT1SPUPDPM  IUUQTDISPNFEFWUPPMTHJUIVCJPEFWUPPMTQSPUPDPM w $ISPNF֦ுͷQVQQFUFFSSFDPSEFSΛར༻͢Ε͹ϒϥ΢ βૢ࡞Λه࿥ͯ͠ίʔυԽͰ͖Δ 1VQQFUFFS

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Ͳ͏࣮૷ͨ͠ͷ͔ Ͳ͏͍͏ྲྀΕͰ$ISPNFBTBTFSWJDFΛ࣮૷͔ͨ͠

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w /PEFKT1VQQFUFFSPO(PPHMF$MPVE'VODUJPOTͰҰ୴࣮૷ͨ͠ w ࣮ࡍʹ࣮ߦͯ͠ΈΔͱຖճ$MPVE'VODUJPOTͷλΠϜΞ΢τʹ  Ҿ͔͔ͬΔ͘Β͍࣮ߦ͕࣌ؒ௕͍ w $MPVE'VODUJPOTͷλΠϜΞ΢τ͸ඵ w IUUQTDMPVEHPPHMFDPNGVODUJPOTRVPUBT IMKBUJNF@MJNJUT w 1VQQFUFFS͸$MPVE'VODUJPOT্ͩͱ࣮ߦ͕஗͍ͱ͍͏JTTVF΋ཱͬͯͨ w "84-BNCEBͷ΄͏͕ૣ͍Β͍͠ w IUUQTHJUIVCDPN(PPHMF$ISPNFQVQQFUFFSJTTVFT

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࣮ߦ͕࣌ؒ͋·Γʹ΋஗ͯ͘ ॲཧ͕தஅ͞ΕΔ

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(,&ͷ্Ͱ.JDSPTFSWJDF ͱͯ͠ىಈ͢ΔಓΛબ୒

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w ϦιʔεΛ$MPVE'VODUJPOTΑΓ΋ଟ͘࢖͑Δ w Ծʹ஗͘ͳͬͨͱͯ͠΋ϩδοΫͰΧόʔ͕Ͱ͖Δ .JDSPTFSWJDFTͱͨ͠ཧ༝

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ϩδοΫ

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ϩδοΫ w ͋ΔύϥϝʔλΛࡌͤͨϦΫΤετ͕ॳΊ͖ͯͨ৔߹ʹHPSPVUJOF Λىಈͤ͞ɺόοΫάϥ΢ϯυͰ$ISPNFΛىಈ͢Δɻ w 1%'4FSWJDFͷϑΥʔϜΛશͯࣗಈೖྗͤͯ͞ɺ1%'Λऔಘ͢Δ

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ϩδοΫ w औಘͨ͠1%'Λ(PPHMF$MPVE4UPSBHF ($4 ΁Ξοϓϩʔυ͢Δ w ͦͷޙʹಉ͡ϦΫΤετ͕དྷͨΒɺ($4͔Βμ΢ϯϩʔυͤ͞Δ

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($4ʹ1%'͕  Ξοϓϩʔυ͞Εͯͳ͍৔߹

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($4ʹ1%'͕  Ξοϓϩʔυ͞ΕͯΔ৔߹

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ΞϓϦέʔγϣϯͷύοέʔδ঺հ  ʢখٳܜʣ

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w CZUFT#V⒎FSΛTZOD1PPMͰ࢖͍ճ͢ w ࠷ॳ͸,J#෼ͷόοϑΝΛ֬อͯ͠࡞Δ w 1VU͢Δ࣌ʹΩϟύγςΟ͕.J#Λ௒͑ͯΕ͹1VU͠ͳ͍ w ಈతʹόοϑΝΛ֬อ͢Δ1PPMJOHͰൃੜ͢Δ໰୊Λճආ w 1PPMͯ͠ΔόοϑΝͷྔ͕૿͑ଓ͚($͞Εͳ͍໰୊͕ൃੜ͢Δ w IUUQTHPMBOHPSHJTTVF CV⒎FSQPPM

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w HJUIVCDPNDISPNFEQDISPNFEQͰ࢖͑Δ  $ISPNFͷΞΫγϣϯΛఆٛͨ͠ύοέʔδ w ओʹDISPNFEQܦ༝Ͱ$ISPNFʹ࣮ߦ͍ͤͨ͞ +BWB4DSJQUͷίʔυΛؔ਺ͱͯ͠ఆٛ͢Δ w (FU5FYU#Z4FMFDUPSʹ)5.-ͷηϨΫλΛ౉͢ͱ  $ISPNF͕ͦ͜ͷςΩετΛऔಘ͢Δ DISPNF

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w DISPNFUFTUͱ͍͏ςετઐ༻ύοέʔδΛDISPNFύο έʔδ഑Լʹఆٛ͢Δ w ϩʔΧϧʹςετ༻ͷ)5.-ΛϨϯμϦϯά͢Δ)551 4FSWFSΛݐͯΔ w ϩʔΧϧͷDISPNFΛ࢖͏ DISPNFͷςετ

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ʙখٳܜऴྃʙ

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ΞϓϦέʔγϣϯΛ  ಈ͔ͯ͠Έͨ݁Ռ

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໿T΋ֻ͔ͬͯΔ

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ύϑΥʔϚϯεͷվળ ΞϓϦέʔγϣϯͷॲཧ࣌ؒΛ୹͘͢ΔͨΊʹ

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τϨʔε΍ϓϩϑΝΠϥʹ஫໨͢Δ

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w τϨʔε΍ϓϩϑΝΠϥΛݟͯԿ͕஗͍͔ɺݪҼΛେ·͔ʹߜΔ w ஗͍ͷ͸$ISPNFͷ෦෼ w $16Λ$ISPNF͕݁ߏ࢖ͬͯͨ w ͦͷՕॴͰݱঢ়ൃੜ͍ͯ͠Δ໰୊΋੔ཧ͢Δ w ͜ͷ࣌DISPNFͷҰ෦ͷػೳ͕UJNFPVU͢Δ͜ͱ͕͋ͬͨ w DPOUFYU$BODFMFEͷ࣌ʹ$ISPNF͕ऴྃ͠ͳ͍໰୊΋͋ͬͨ

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࢖͑ΔϦιʔεΛ૿΍͢

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w ϝϞϦͷϦιʔεΛ૿΍͢ˠվળͳ͠ w $16ͷϦιʔεΛ૿΍͢ˠඍʑͨΔվળ ࢖͑ΔϦιʔεΛ૿΍͢

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DISPNFEQͷमਖ਼

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w ౰࣌SFGBDUPSϒϥϯνͳΔ΋ͷ͕ଘࡏͨ͠ w ͜ͷϒϥϯν্Ͱ͸༷ʑͳ໰୊͕ղܾ͞Ε͍ͯͨ w ຆͲͷJTTVFʹ͜ͷϒϥϯνͰ͸௚ͬͯΔͱ͍͏هड़͕͋Δ w NVUFYMPDLϕʔε͔ΒDPOUFYUϕʔε΁मਖ਼ w ͦΕ͕όʔδϣϯλά͕੾ΒΕͭͭɺࠓޙNBTUFS΁Ϛʔδ͞ΕΔ༧ఆͩͬ ͨʢݱࡏ͸ϚʔδࡁΈWʣ

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DISPNFEQͷϒϥϯνΛมߋ

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TˠT΁୹ॖ

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·ͱΊ

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·ͱΊ w /PEFKT1VQQFUFFS͸"84-BNCEBͰ࢖͍·͠ΐ͏ w DISPNFEQDISPNFEQSFGBDUPS͸NBTUFSʹϚʔδ͞ΕͯΔͷͰ ͲΜͲΜ࢖͍·͠ΐ͏ w ݁Ռతʹ࠷଎෼ͷ৹͕ࠪ࣌ؒ୹ॖ͞Εͨ

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ޙ೔ஊ

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ޙ೔ஊ w $ISPNFΛࣙΊͯ$PPLJFΛҰ࿈ͷॲཧͷத͚ͩͰ࢖͍ճ͢ w HJUIVCDPNIFBE[PPTVSGΛ࢖ͬͨ w ଞ͸IUUQύοέʔδͷ$MJFOUΛ࢖ͬͯϦΫΤετΛߦ͏