Go言語をほぼ毎日書いている話 (序) / Daily coding in Go

by Yuuki Tsubouchi (yuuk1)

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GoݴޠΛ ΄΅ຖ೔ॻ͍͍ͯΔ࿩ (ং) ͸ͯͳ id:y_uuki

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id:y_uuki / @y_uuk1 Yuuki Tsubouchi https://yuuk.io גࣜձࣾ͸ͯͳ WebΦϖϨʔγϣϯΤϯδχΞ / γχΞΤϯδχΞ

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Goྺ • 2013೥͙Β͍͔ΒWatch • 2014೥ʹ·ͱ΋ʹॻ͖࢝Ίͨ • ࠷ॳ͸Tour of Go • Go Kyotoͱ͍͏Jxck ͞ΜʹΑΔϋϯζΦϯʹࢀՃ • mkr / mackerel-client-go ͳͲΛॻ͍ͨ • 2015೥~2016લ൒ ͍͔ͭ͘ΦϖϨʔγϣϯπʔϧͭͬͨ͘ • grabeni / droot / gokc ͳͲ

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http://developer.hatenastaff.com/entry/golang-for-ops

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ͳΜͰ ຖ೔ॻ͖࢝Ίͨͷ͔

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ͳΜͰຖ೔ॻ͖࢝Ίͨͷ͔ • ΦϖϨʔγϣϯ͢ΔΑΓɺιϑτ΢ΣΞͱ͔จষΛॻ ͍ͯΔͱ͖ͷ΄͏͕࣮͸޷͖ • ϒϩά΋͍͍͚Ͳ͍͔ͭ୅දతϓϩμΫτΛ࡞ͬͯΈ ͍ͨ • ͔͠͠ɺιϑτ΢ΣΞΛॻ͘εΩϧͱɺॻ্͖͛Δମ ྗ͕଍Γͳ͍ => ຖ೔ίʔυॻ͜͏

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Site Reliability Engineering HOW GOOGLE RUNS PRODUCTION SYSTEMS Photo by O’reilly Media / CC by 3.0 http://shop.oreilly.com/product/0636920041528.do https://creativecommons.org/licenses/by/3.0/deed

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ͳʹΛ ຖ೔ॻ͍͍ͯΔͷ͔

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DiamonDB https://github.com/yuuki/diamondb

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write datapoints Kinesis Streams Lambda read datapoints ElastiCache DynamoDB Lambda TTL expired ﬂush write Web App (Golang) S3 read read read

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write datapoints Kinesis Streams Lambda read datapoints ElastiCache DynamoDB Lambda TTL expired ﬂush write Web App (Golang) S3 read read read AWSͷෳ਺ͷσʔλετΞΛ ૊Έ߹Θͤͨ Go ΢ΣϒΞϓϦέʔγϣϯ

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ͳʹΛຖ೔ॻ͍͍ͯΔͷ͔ • DiamonDB • ͍͍ͩͨಉ͡ΞʔΩςΫνϟͷ΋ͷΛۀ຿Ͱ։ൃத • ίʔυϕʔε͸ۀ຿ͷ΋ͱ͸ผ • ͜Ε·Ͱͭͬͨ͘πʔϧͷϝϯςφϯε • ۀ຿Ͱ࢖͍ͬͯΔͷͰɺमਖ਼΍ػೳ௥Ճ • Pull RequestରԠ

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ຖ೔ॻͨ͘Ίʹ ΍Δ͜ͱ

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ຖ೔ॻͨ͘Ίʹ΍Δ͜ͱ • ʮຖ೔ʯࣗମʹ͸ҙຯ͸ͳ͘ɺܧଓతʹίʔυΛॻ͚Δ͔͕େࣄ • 1 commit / day Ͱ΋Α͍ • Ͳ͏ͯ͠΋๩͚͠Ε͹ɺgit commit —date Ͱ೔෇͔͖͔͑ • ͜ΕͰϞνϕʔγϣϯ͕ଓ͘ͳΒͦΕͰΑ͍ • ฏ೔͸͋·Γॻ͚ͳ͍ͷͰɺ౔೔ͷ͏ͪʹΠγϡʔΛ༻ҙ • ۀ຿ͱ݁ͼ͚ͭΔ • ෳ਺ͷϓϩδΣΫτΛ΋ͭ

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ຖ೔ॻ͍͍ͯͯ Θ͔ͬͨ͜ͱ

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ຖ೔ॻ͍͍ͯͯΘ͔ͬͨ͜ͱ • ຖ೔ίʔυॻͨ͘ΊͷϦζϜ͕Ͱ͖Δ • ೴಺ϝϞϦʹͷͬͯΔͷͰɺ࣍ʹॻ͘ͱ͖ʹ೰·ͳ͍ • ͍͖ͳΓେ͖͘มߋ͢ΔͷͰ͸ͳ͘ɺখ͞ͳมߋΛੵ ΈॏͶΔΑ͏ʹͳΔ • ౔೔ʹແཧ͠ͳ͘ͳΔ • ແཧΛ͢Δͱ݁ہଓ͔ͳ͍

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Go tips

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https://github.com/yuuki/yuuki/blob/master/golang/http-api-server-stack.md GoͰHTTP APIαʔόॻ͘ͱ͖ͷελοΫ GoͰHTTP APIαʔόॻ͘ ͱ͖ͷελοΫ

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https://medium.com/@haya14busa/idiomatic-go-readability-f0b42ef381dc

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https://github.com/golang/go/wiki/CodeReviewComments

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;ͩΜΈ͍ͯΔ Gophers • @deeeet • @mattn • @motemen • @Songmu • @haya14busa • @davecheney • @dgryski

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Πϯϓοτ ͱ Ξ΢τϓοτ

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ΠϯϓοτͱΞ΢τϓοτ • Πϯϓοτ: ຊΛಡΉɺϒϩάΛಡΉͳͲ • Ξ΢τϓοτ: ٕज़ஊٛɺൃදɺϒϩάɺίʔυͳͲ • ݺٵͷΑ͏ͳ΋ͷ • Πϯϓοτ͢ΔͱΞ΢τϓοτͨ͘͠ͳΔɻΞ΢τϓο τ͢Δͱ·ͨΠϯϓοτΛ΋ͱΊΔ • Ξ΢τϓοτ͸ҰݟແବʹΈ͑Δ͕ɺఆظతʹΞ΢τϓο τ͢Δ͜ͱͰΠϯϓοτ΋૿͍͑ͯ͘

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GoݴޠΛ ΄΅ຖ೔ॻ͍͍ͯΔ࿩ (ং) ͸ͯͳ id:y_uuki