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

Transcript

1. ϏϧυύΠϓϥΠϯπʔϧΛ
   GoͰ࡞ͬͨ࿩
   GoCon 2014 Autumn
   @naokiainoya
   https://github.com/tenntenn/gopher-stickers/blob/master/png/28.png
   

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2. ࣗݾ঺հ
   ૬໺୩ ௚थ ainoya
   ~2013.09 mixi
   ~ݱࡏ ϦΫϧʔτςΫϊϩδʔζ APιϦϡʔγϣϯG
   ओͳ࢓ࣄ:
   ɹ ৽ٕज़ͷಋೖݕূͳͲ
   

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3. IUUQBUMSFDSVJUUFDIDPKQCMPH
   IUUQBJOPZBJPXBMUFS
   “ϏϧυύΠϓϥΠϯπʔϧ”
   

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4. πʔϧͷػೳ
   • CIͰͷϏϧυύΠϓϥΠϯͷ࣮ߦ੍ޚΛ͢Δπʔϧ
   • Jenkinsʹ͋ΔϏϧυύΠϓ

   ϥΠϯϓϥάΠϯͷ୅ସ
   • ઃఆϑΝΠϧ(YAMLܗࣜ)ʹ

   δϣϒ(࣮ߦ୯Ґ)ͷॲཧ಺༰ͱ

   δϣϒͷ࣮ߦॱংΛهड़
   

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5. πʔϧͷػೳ
   • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
   

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6. πʔϧͷػೳ
   • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
   

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7. πʔϧͷػೳ
   • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
   

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8. πʔϧͷػೳ
   • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
   

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9. πʔϧͷػೳ
   • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
   

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10. GoͰॻ͍ͨཧ༝
    HPSPVUJOFͰδϣϒ࣮ߦ
    DIBOOFMͰ࣮ߦ݁ՌΛ࣍
    ʹ఻͑Δ
    DIBOOFM͔Βϝοηʔδ
    ड৴ͨ͠Β࣮ߦ
    channel/goroutineͰ͍͍ײ͡Ͱॻ͚ͦ͏
    

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11. GoͰॻ͍ͨཧ༝
    • όΠφϦ୯ମͰ഑෍Մೳ
    • werckerͰΫϩείϯύΠϧˠ

    GitHub Releases΁ͷΞοϓϩʔυ·Ͱ

    ϫϯΫϦοΫͰ
    • motemen/ghqΛࢀߟʹ
    IUUQTHJUIVCDPNXBMUFSDEXBMUFSCMPCNBTUFSXFSDLFSZNM
    

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12. ͦͷଞtips
    ϓϩδΣΫτߏ੒
    • coreos/etcdΛࢀߟʹͨ͠
    • {$project-root}/${package-name}/ҎԼʹ

    .goϑΝΠϧΛ഑ஔ͍ͯ͘͠ϧʔϧͰ
    • Ϣχοτςετ΋ຊମͱಉ͡σΟϨΫτϦ഑ஔ
    • build/test͸shell scriptͰ
    https://github.com/walter-cd/walter
    

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13. ͦͷଞtips
    ύοέʔδ؅ཧ
    • ࠷ॳ͸submoduleͰ؅ཧ
    • ґଘ͕૿͑ͯอकͮ͠Β͘ͳͬͨ
    • ࠓ͸GodepΛར༻
    • /Godeps/Godeps.jsonʹґଘؔ܎هड़
    https://github.com/tools/godep
    

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14. ͦͷଞtips
    ϩάग़ྗ
    • ༻్ʹ߹͏ϩάग़ྗϥΠϒϥϦ͕ͳ͔ͬͨ
    • ଞͷϓϩδΣΫτ͸ݢฒΈࣗલͰ༻ҙ
    • golang/glogΛforkͯ͠ϩάϑΥʔϚοτ
    Λม͑ͯར༻
    

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15. GoͰॻ͍ͨॴײ
    

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16. “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
    

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17. “golang way”
    • "Share memory by communicating,

    don't communicate by sharing memory.”
    • channelͰॻ͍ͯΈΔ
    • ॻ͖ͮΒͦ͏ͩͬͨΒSync.Mutex
    IUUQTDPEFHPPHMFDPNQHPXJLJXJLJ.VUFY0S$IBOOFM
    IUUQTPOJBDPEFTXPSEQSFTTDPNDIBOOFMTWTTZODQBDLBHF
    

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18. ࠷ޙʹ
    • walterͱ͍͏ϏϧυύΠϓϥΠϯπʔϧΛGoͰॻ͍ͨ
    • όΠφϦ഑෍ָ͕
    • goroutine/channelͰδϣϒؒͷϝοηʔδύογϯάΛ͍͍ײ͡ʹ
    • ·ͩશવͰ͖ͯͳ͍ɽҾ͖ଓ͖ػೳڧԽΛߦ͍͖ͬͯ·͢
    • ΤϥʔϋϯυϦϯάڧԽetc..
    • YAMLܗࣜͷઃఆϑΝΠϧΛ΍Ί͍ͨ

    DSLΛGoͰͲ͏࣮૷͢Δ͔ߟ͑த
    

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