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ビルドパイプラインツールをGoで作った話
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Naoki Ainoya
November 30, 2014
Programming
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2.5k
ビルドパイプラインツールをGoで作った話
A build pipeline tool written in go
Naoki Ainoya
November 30, 2014
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Transcript
ϏϧυύΠϓϥΠϯπʔϧΛ GoͰ࡞ͬͨ GoCon 2014 Autumn @naokiainoya https://github.com/tenntenn/gopher-stickers/blob/master/png/28.png
ࣗݾհ ૬୩ थ ainoya ~2013.09 mixi ~ݱࡏ ϦΫϧʔτςΫϊϩδʔζ APιϦϡʔγϣϯG ओͳࣄ:
ɹ ৽ٕज़ͷಋೖݕূͳͲ
IUUQBUMSFDSVJUUFDIDPKQCMPH IUUQBJOPZBJPXBMUFS “ϏϧυύΠϓϥΠϯπʔϧ”
πʔϧͷػೳ • CIͰͷϏϧυύΠϓϥΠϯͷ࣮ߦ੍ޚΛ͢Δπʔϧ • Jenkinsʹ͋ΔϏϧυύΠϓ ϥΠϯϓϥάΠϯͷସ • ઃఆϑΝΠϧ(YAMLܗࣜ)ʹ δϣϒ(࣮ߦ୯Ґ)ͷॲཧ༰ͱ δϣϒͷ࣮ߦॱংΛهड़
πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ༰ͱॱংΛهड़
πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ༰ͱॱংΛهड़
πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ༰ͱॱংΛهड़
πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ༰ͱॱংΛهड़
πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ༰ͱॱংΛهड़
GoͰॻ͍ͨཧ༝ HPSPVUJOFͰδϣϒ࣮ߦ DIBOOFMͰ࣮ߦ݁ՌΛ࣍ ʹ͑Δ DIBOOFM͔Βϝοηʔδ ड৴ͨ͠Β࣮ߦ channel/goroutineͰ͍͍ײ͡Ͱॻ͚ͦ͏
GoͰॻ͍ͨཧ༝ • όΠφϦ୯ମͰՄೳ • werckerͰΫϩείϯύΠϧˠ GitHub ReleasesͷΞοϓϩʔυ·Ͱ ϫϯΫϦοΫͰ • motemen/ghqΛࢀߟʹ
IUUQTHJUIVCDPNXBMUFSDEXBMUFSCMPCNBTUFSXFSDLFSZNM
ͦͷଞtips ϓϩδΣΫτߏ • coreos/etcdΛࢀߟʹͨ͠ • {$project-root}/${package-name}/ҎԼʹ .goϑΝΠϧΛஔ͍ͯ͘͠ϧʔϧͰ • Ϣχοτςετຊମͱಉ͡σΟϨΫτϦஔ •
build/testshell scriptͰ https://github.com/walter-cd/walter
ͦͷଞtips ύοέʔδཧ • ࠷ॳsubmoduleͰཧ • ґଘ͕૿͑ͯอकͮ͠Β͘ͳͬͨ • ࠓGodepΛར༻ • /Godeps/Godeps.jsonʹґଘؔهड़
https://github.com/tools/godep
ͦͷଞtips ϩάग़ྗ • ༻్ʹ߹͏ϩάग़ྗϥΠϒϥϦ͕ͳ͔ͬͨ • ଞͷϓϩδΣΫτݢฒΈࣗલͰ༻ҙ • golang/glogΛforkͯ͠ϩάϑΥʔϚοτ Λม͑ͯར༻
GoͰॻ͍ͨॴײ
“golang way” • "Is Go an object-oriented language?" ɹɹɹɹɹɹɹɹɹɹɹ--
"yes and no" • No type hierarchy • Interfaces can be very lightweight https://golang.org/doc/faq#Is_Go_an_object-oriented_language
“golang way” • "Share memory by communicating, don't communicate by
sharing memory.” • channelͰॻ͍ͯΈΔ • ॻ͖ͮΒͦ͏ͩͬͨΒSync.Mutex IUUQTDPEFHPPHMFDPNQHPXJLJXJLJ.VUFY0S$IBOOFM IUUQTPOJBDPEFTXPSEQSFTTDPNDIBOOFMTWTTZODQBDLBHF
࠷ޙʹ • walterͱ͍͏ϏϧυύΠϓϥΠϯπʔϧΛGoͰॻ͍ͨ • όΠφϦָ͕ • goroutine/channelͰδϣϒؒͷϝοηʔδύογϯάΛ͍͍ײ͡ʹ • ·ͩશવͰ͖ͯͳ͍ɽҾ͖ଓ͖ػೳڧԽΛߦ͍͖ͬͯ·͢ •
ΤϥʔϋϯυϦϯάڧԽetc.. • YAMLܗࣜͷઃఆϑΝΠϧΛΊ͍ͨ DSLΛGoͰͲ͏࣮͢Δ͔ߟ͑த