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
2. ࣗݾ঺հ ૬໺୩ ௚थ ainoya ~2013.09 mixi ~ݱࡏ ϦΫϧʔτςΫϊϩδʔζ APιϦϡʔγϣϯG ओͳ࢓ࣄ: ɹ ৽ٕज़ͷಋೖݕূͳͲ
3. IUUQBUMSFDSVJUUFDIDPKQCMPH
   IUUQBJOPZBJPXBMUFS “ϏϧυύΠϓϥΠϯπʔϧ”
4. πʔϧͷػೳ • CIͰͷϏϧυύΠϓϥΠϯͷ࣮ߦ੍ޚΛ͢Δπʔϧ • Jenkinsʹ͋ΔϏϧυύΠϓ
 ϥΠϯϓϥάΠϯͷ୅ସ • ઃఆϑΝΠϧ(YAMLܗࣜ)ʹ
 δϣϒ(࣮ߦ୯Ґ)ͷॲཧ಺༰ͱ
 δϣϒͷ࣮ߦॱংΛهड़
5. πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
6. πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
7. πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
8. πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
9. πʔϧͷػೳ • CIܥαʔϏεͬΆ͍ઃఆϑΝΠϧʹ࣮ߦ಺༰ͱॱংΛهड़
10. GoͰॻ͍ͨཧ༝ HPSPVUJOFͰδϣϒ࣮ߦ DIBOOFMͰ࣮ߦ݁ՌΛ࣍ ʹ఻͑Δ DIBOOFM͔Βϝοηʔδ ड৴ͨ͠Β࣮ߦ channel/goroutineͰ͍͍ײ͡Ͱॻ͚ͦ͏
11. GoͰॻ͍ͨཧ༝ • όΠφϦ୯ମͰ഑෍Մೳ • werckerͰΫϩείϯύΠϧˠ
 GitHub Releases΁ͷΞοϓϩʔυ·Ͱ
 ϫϯΫϦοΫͰ • motemen/ghqΛࢀߟʹ IUUQTHJUIVCDPNXBMUFSDEXBMUFSCMPCNBTUFSXFSDLFSZNM
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
13. ͦͷଞtips ύοέʔδ؅ཧ • ࠷ॳ͸submoduleͰ؅ཧ • ґଘ͕૿͑ͯอकͮ͠Β͘ͳͬͨ • ࠓ͸GodepΛར༻ • /Godeps/Godeps.jsonʹґଘؔ܎هड़ https://github.com/tools/godep
14. ͦͷଞtips ϩάग़ྗ • ༻్ʹ߹͏ϩάग़ྗϥΠϒϥϦ͕ͳ͔ͬͨ • ଞͷϓϩδΣΫτ͸ݢฒΈࣗલͰ༻ҙ • golang/glogΛforkͯ͠ϩάϑΥʔϚοτ Λม͑ͯར༻
15. GoͰॻ͍ͨॴײ
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
17. “golang way” • "Share memory by communicating,
 don't communicate by sharing memory.” • channelͰॻ͍ͯΈΔ • ॻ͖ͮΒͦ͏ͩͬͨΒSync.Mutex IUUQTDPEFHPPHMFDPNQHPXJLJXJLJ.VUFY0S$IBOOFM
    IUUQTPOJBDPEFTXPSEQSFTTDPNDIBOOFMTWTTZODQBDLBHF
18. ࠷ޙʹ • walterͱ͍͏ϏϧυύΠϓϥΠϯπʔϧΛGoͰॻ͍ͨ • όΠφϦ഑෍ָ͕ • goroutine/channelͰδϣϒؒͷϝοηʔδύογϯάΛ͍͍ײ͡ʹ • ·ͩશવͰ͖ͯͳ͍ɽҾ͖ଓ͖ػೳڧԽΛߦ͍͖ͬͯ·͢ • ΤϥʔϋϯυϦϯάڧԽetc.. • YAMLܗࣜͷઃఆϑΝΠϧΛ΍Ί͍ͨ
 DSLΛGoͰͲ͏࣮૷͢Δ͔ߟ͑த