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FeatureFlagを用いた新機能の安全なマージ&リリース / FeatureFlag
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lni_T
October 30, 2019
Programming
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FeatureFlagを用いた新機能の安全なマージ&リリース / FeatureFlag
lni_T
October 30, 2019
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Transcript
'FBUVSF'MBHΛ༻͍ͨ ৽ػೳͷ҆શͳϚʔδϦϦʔε !MOJ@5 .FFUVQGPS3BJMTFOHJOFFST
ࣗݾհ w 5XJUUFS!MOJ@5 (JU)VC!MOJU w .FE1FFS&OHJOFFS ʙ w ͖ͳ3BJMTͷϝιου
QSFTFODF w ݏ͍ͳ3BJMTͷϝιου BDDFQUT@OFTUFE@BUUSJCVUFT@GPS
ΫϦχοΫ։ۀࢧԉ ϓϥοτϑΥʔϜ
ͭͬͨ͘ͷ ਤ্Ͱ ݅୳͠ ڝ߹ͷఁ ױऀ༧ଌ ͕Ͱ͖Δ͍ͭ͢͝
ͦΜͳ৽ػೳ։ൃͷࠔΓࣄ ͷղܾࣄྫ
ʮ৽αʔϏε࡞Δͧʂʯ
ʮͨ͘͞ΜػೳͰ͖ͨʯ ͦͷޙʜ
ڊେ'FBUVSF#SBODI
ڊେ'FBUVSF#SBODI ৽ػೳ·Ͱͷಛେػೳϒϥϯν ͭΒ͍ ϨϏϡʔ͕Ͱ͖ͳ͍ ຊମϒϥϯνͱͷဃ
ଞνʔϜͱͷڝ߹ ϦϑΝΫλϦϯάͯ͠িಥ
EFWຊͰ͍͖͍ͨ
ϒϥϯνઓུ ϓϧϦΫΤετΛࡉ͔͘ຊମʹϚʔδ͢Δઓུ Կߟ͑ͣʹ࠾༻͢ΔͱϦεΩʔ ػೳ·Ͱίʔυ͕ϦϦʔεෆՄঢ়ଶʹ ࡞Γ͔͚ͷػೳͰϝϯόʔશһͷڥ͕յΕͨΓ ϒϥϯνཧ͍ͨΜ
None
ʮΑ͠ɺϦϦʔεͩʜʯ Α͏͘ʜ
ʮ͋ʂຊ൪ʹมͳ ɹσʔλ͕ʂʯ
ʮ͋ΕɺઌํͷωοτϫʔΫʹ ͭͳ͕Βͳ͍ʯ
ຊ൪ڥόάͷๅݿ ༧ظͤ͵ͭΒ͍ σʔλىҼ ωοτϫʔΫىҼ ઃఆىҼ
ͦͷଞॾʑڥࠩ
ͳΜͱ͔͍ͨ͠ ϒϥϯν͍ͨΜ ຊ൪͜Θ͍
ղܾΞϓϩʔν͍Ζ͍Ζ ϒϥϯν͍ͨΜ ৫ߏͷมߋ ίʔυ҆ఆԽ ػೳΛࡉ͔͘࡞Δ
ϦϦʔεՄೳ࣭Λอͭ ຊ൪͜Θ͍ ݕূڥͷඋ ຊ൪ʹ͍ۙςετσʔλ ڥࠩͷআڈ ຊ൪Ͱಈ࡞ݕূ͢Δ
ղܾΞϓϩʔν͍Ζ͍Ζ ϒϥϯν͍ͨΜ ৫ߏͷมߋ ίʔυ҆ఆԽ ػೳΛࡉ͔͘࡞Δ
ϦϦʔεՄೳ࣭Λอͭ ຊ൪͜Θ͍ ݕূڥͷඋ ຊ൪ʹ͍ۙςετσʔλ ڥࠩͷআڈ ຊ൪Ͱಈ࡞ݕূ͢Δ
ૉૣ͘ϦϦʔεՄೳʹ͠ ຊ൪Ͱݕূ͠Α͏
'FBUVSF'MBH 5PHHMF
'FBUVSF'MBH ػೳ͕ಈ࡞͢Δಈ࡞͠ͳ͍ΛΓସ͑Δػߏ ιʔείʔυσϓϩΠ͢Δ͕ɺ ػೳʮಈ࡞͠ͳ͍ʯঢ়ଶʹ͓ͯ͘͠ Ϛʔδͯ͠ಈ࡞Өڹͳ͠ ϦϦʔεՄೳʂ
OFX
'FBUVSF'MBH ػೳ͕ಈ࡞͢Δಈ࡞͠ͳ͍ΛΓସ͑Δػߏ ςετϢʔβʔʹ͚ͩެ։Ͱ͖ΔΑ͏ʹ͢Δ Ұൠެ։લʹຊ൪ڥͰςετ ຊ൪ා͘ͳ͍ʂ OFX
5FTUFS
࣮ͯ͠Ͳ͏ͳ͔ͬͨ
'FBUVSFϒϥϯνͷૣظ߹ྲྀ όοΫΤϯυଆEFWFMPQຊ 13Ͱ։ൃ ϑϩϯτΤϯυଆ࠷ॳ'FBUVSFϒϥϯνʹͳ͕ͬͨʜ ͦͷޙEFWFMPQʹ߹ྲྀͯ͠13Ͱ։ൃ EFWFMPQ GFBUVSF
҆৺Ͱ͖ΔϦϦʔε σϞ༻ΞΧϯτͰҰ௨Γಈ͘͜ͱΛࣄલ֬ೝ
҆৺Ͱ͖ΔϦϦʔε Τϥʔ௨͕དྷͯམͪண͍ͯ֬ೝͰ͖Δ
࣮ํ๏ ࣗϓϩμΫτͰͷҰྫ
'MJQQFS
'MJQQFSHFN IUUQTHJUIVCDPNKOVOFNBLFSqJQQFS ϑϥάཧͱذ੍ޚͷΈΛఏڙͯ͘͠ΕΔ if Flipper.enabled?(:search) search_hoge else puts
'nothing...' end Flipper.enable(:search)
อଘઌHFNͰΓସ͑ ྫ"DUJWF3FDPSEͰ%#ʹอଘ NJHSBUJPOϑΝΠϧ࡞ 'MJQQFSར༻࣌ʹ"EBQUFSΛࢦఆ ଞʹ3FEJT .POHP%#ͳͲͳͲ
adapter = Flipper::Adapters::ActiveRecord.new flipper = Flipper.new(adapter) $ gem install flipper-active_record $ rails g flipper:active_record
ݸผϢʔβʔରԠ؆୯ class User def flipper_id "User;#{id}" end end # ----
Flipper[:stats].enable(user) Flipper[:stats].enabled?(user) # true Flipper[:stats].disable(user) Flipper[:stats].enabled?(user) # false
ཧ6*༻qJQQFSVJHFN
ར༻ྫ $POUSPMMFS7JFXͰ͍͍͢Α͏ϥοϓ CFGPSF@BDUJPOͳͲͰ0/0''֬ೝͯ͠ʹ͢ΔͳͲ module DarkLaunch extend ActiveSupport::Concern included
do helper_method :authorized_feature? end private def authorized_feature?(sym) Flipper[sym].enabled? current_user end end
৽ن1+ະ࣮1+ ಋೖݕ౼ͯ͠Έͯʂ
'FBUVSF'MBH ڧΈɾऑΈ
҆ఆͨ͠։ൃͷॿ͚ʹ ϒϥϯνΛຊମʹ߹ྲྀ͍ͤ͢͞ িಥ͕ى͖ͮΒ͍ ຊ൪ڥͰಈ࡞ݕূ͍͢͠ ΤϯυϢʔβʔʹެ։͢ΔϦεΫ͕େ෯ݮ
҆৺ײ
Γ͕͠༰қ ΞϓϦɾ%#ͷϩʔϧόοΫෛՙ͕ߴ͍ 'FBUVSF'MBHͷ߹ϫϯλονͰΓྃ͠
҆શ͔࣮࣍ୈ ʮຊʹ'MBHͰ0/0''͢Δ͔ʁʯ࣮࣍ୈ ͪΌΜͱ୯ମςετ݁߹ςετ͠Α͏ ʮ$POUSPMMFS࠹͍͚ͩͲɺ ɹผը໘͔ΒͷϦϯΫ͕Δόά͕ʜʯͱ͔ ʮίʔυ͕σϓϩΠ͞ΕΔʯϦεΫ͋Δ
ςετϦϦʔεઓུ͔ͬ͠ΓཱͯΑ͏
ཞ༻Α͘ͳ͍ ͨͩͷذॲཧͳͷͰɺར༻Օॴ͕૿͑ΔͱࡶʹͳΔɻ جຊϢʔβʹݟ͑ͳ͍෦͔Βී௨ʹ࣮ͭͭ͠ɺ ΤϯυϙΠϯτΛ࠹͍Ͱ͍͘ɹͱྑͦ͞͏ɻ
ର߅Ͱ͖ͳ͍τϥϒϧ͋Δ ྫ%#ϨΠϠʔͷ ECNJHSBUF࣮ߦ ॏ͍ΫΤϦॲཧதʹ৽ػೳ͚ͷ"-5&35"#-&ൃߦ ଧͪͲ͜Ζ͕ѱ͘ॏཁͳςʔϒϧ͕ϩοΫ
ˠαʔϏεஅ ϦϦʔε࣌ͷਚ͖ͳ͍ʜ
·ͱΊ ػೳ0/0''ͷػߏΛ࡞ͬͯͤʹͳΖ͏ʂ 'FBUVSF'MBH ·ͨ'FBUVSF5PHHMF 3VCZͷ߹ʮ'MJQQFSʯͱ͍͏HFN͕͑Δ
ଞʹʮ3PMMPVUʯͱ͔͍Ζ͍Ζ ͪΖΜࣗલ࣮Ͱ0,ʂ ҆શͳϦϦʔεͷʲಛޮༀʳͰͳ͍Αʂ