Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
circuit_switch: small start to create gem
Search
makicamel
October 10, 2021
Programming
3
2.8k
circuit_switch: small start to create gem
at 2021.10.10. Kaigi on Rails _2021_ new
makicamel
October 10, 2021
Tweet
Share
More Decks by makicamel
See All by makicamel
First step to PicoRuby
makicamel
2
150
PicoRuby on Rails
makicamel
4
200
Take a small step beyond the api
makicamel
2
150
Road to RubyKaigi: Making Tinny Chiptunes with Ruby
makicamel
4
1.5k
Road to RubyKaigi
makicamel
3
530
Rails アプリ地図考 Flush Cut
makicamel
1
190
ErdMap: Thinking about a map for Rails applications
makicamel
2
3.7k
dRuby 入門者によるあなたの身近にあるdRuby 入門
makicamel
4
1.3k
BulletmarkRepairer: auto corrector for N+1 queries
makicamel
10
7.7k
Other Decks in Programming
See All in Programming
Advance Your Career with Open Source
ivargrimstad
0
340
明日から始めるリファクタリング
ryounasso
0
120
Playwrightはどのようにクロスブラウザをサポートしているのか
yotahada3
7
2.3k
高度なUI/UXこそHotwireで作ろう Kaigi on Rails 2025
naofumi
4
3.5k
実践AIチャットボットUI実装入門
syumai
7
2.5k
メモリ不足との戦い〜大量データを扱うアプリでの実践例〜
kwzr
1
870
ソフトウェア設計の実践的な考え方
masuda220
PRO
3
490
2025年版 サーバーレス Web アプリケーションの作り方
hayatow
23
25k
開発生産性を上げるための生成AI活用術
starfish719
1
170
Swift Concurrency - 状態監視の罠
objectiveaudio
2
460
iOSアプリの信頼性を向上させる取り組み/ios-app-improve-reliability
shino8rayu9
0
150
Web Components で実現する Hotwire とフロントエンドフレームワークの橋渡し / Bridging with Web Components
da1chi
3
1.9k
Featured
See All Featured
Statistics for Hackers
jakevdp
799
220k
Thoughts on Productivity
jonyablonski
70
4.9k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
31
9.7k
How To Stay Up To Date on Web Technology
chriscoyier
791
250k
A better future with KSS
kneath
239
17k
4 Signs Your Business is Dying
shpigford
185
22k
Building Adaptive Systems
keathley
43
2.8k
How to train your dragon (web standard)
notwaldorf
96
6.3k
RailsConf 2023
tenderlove
30
1.2k
The Cult of Friendly URLs
andyhume
79
6.6k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.2k
Side Projects
sachag
455
43k
Transcript
DJSDVJU_TXJUDI ͍ͪ࢝͘͞ΊΔHFNͮ͘Γ 2021.10.10. Kaigi on Rails _2021_ new @makicamel
w!NBLJDBNFMݪສق w3VCZͱϏʔϧɹɹͱ͓ञ͕͖ w͖ͳ73ήʔϜ ࣗݾհ
࠷ۙࠔ͍ͬͯΔ͜ͱ ͓ࣄͰ
ো͕ଟ͍
•ӨڹൣғௐࠪΛ͕ΜΖ͏ •ϨϏϡʔΛ͕ΜΖ͏ •ࣗಈςετͷՃɾϝϯςΛ͕ΜΖ͏ •खಈςετΛ͕ΜΖ͏ •ΤϥʔࢹΛ͕ΜΖ͏ োΛىͨ͜͠ਓྨͷߟ͕͑ͪͳ͜ͱ ͬͱ ͬͱ ͬͱ ͬͱ
ͬͱ
͕ΜΓͨ͘ͳ͍
•͕ΜΔͱϛεΔ •͕ΜΓݸਓʹґଘ •͕ΜΔͱർΕΔ •͕ΜΔӬԕʹܧଓͰ͖ͳ͍ ͕ΜΓͨ͘ͳ͍
ΈͰͳΜͱ͔͍ͨ͠
ɹো͕ଟ͍ΜͰ͢Α…😣 ɹ90% ϛε͕ͳ͍͜ͱͷอূͦͦ͜͜Ͱ͖Δ͚Ͳ ɹ100% ϛε͕ͳ͍͜ͱͷอূͱͯߴίετ ɹϦϦʔεසΛ্͛Δͷ͕ͯ͘͠…😭 ɹ͙͢ʹΓͤΔΑ͏ʹͨ͠ํ͕ ɹ݈શ͔͠Ε·ͤΜͶ
•ϦϦʔεिʹ 1 ճ ˞ ˞োରԠΛআ͘
•ϦϦʔεिʹ 1 ճ •100ʙ200 Pull Requests •500ʙ1,000 commits •10Kʙ60K lines
˞ ϏοάόϯϦϦʔε ˞Ұ൪ݹ͘ػೳ͕ଟ͍ϞϊϦγοΫϦϙδτϦʹ͓͚Δɻଟ͘ͷଞϦϙδτϦͬͱԺ͔Ͱ͢ ˞োରԠΛআ͘ ˞
ϦϦʔείετ͕ߴͯ͘ো͕ଟ͘ɾେ͖͘ͳΓ͕ͪ ো͕ଟͯ͘ϦϦʔεසΛ্͛ΒΕͳ͍ ϏοάόϯϦϦʔε
ͱ͍͏Θ͚Ͱ
ͭͬͨ͘ NBLJDBNFMDJSDVJU@TXJUDI IUUQTHJUIVCDPNNBLJDBNFMDJSDVJU@TXJUI
circuit_switch
ɹো͕ଟ͍ΜͰ͢Α…😣 ɹ90% ϛε͕ͳ͍͜ͱͷอূͦͦ͜͜Ͱ͖Δ͚Ͳ ɹ100% ϛε͕ͳ͍͜ͱͷอূͱͯߴίετ ɹϦϦʔεසΛ্͛Δͷ͕ͯ͘͠…😭 ɹ͙͢ʹΓͤΔΑ͏ʹͨ͠ํ͕ ɹ݈શ͔͠Ε·ͤΜͶ
circuit_switch Γ͍ͨ͜ͱɿ ϦϦʔεසΛ͋͛Δ ˞ϦϦʔεස͍͋͛ͨͰ͢
circuit_switch Γ͍ͨ͜ͱɿ ίετʹΓ͢
circuit_switch if CircuitSwitch.open?(close_if_reach_limit: false) do_something_experimental else call_existing_codes end
CircuitSwitch.report(if: unexpected_happen)
circuit_switch if CircuitSwitch.open?(close_if_reach_limit: false) do_something_experimental else call_existing_codes end
circuit_switch •CircuitSwitch ͕։͍͍ͯΔ࣌ do_something_experimental ΛݺͿ •CircuitSwitch ͕ด͡ΒΕͨ࣌ call_existing_codes ΛݺͿ
if CircuitSwitch.open?(close_if_reach_limit: false) do_something_experimental else call_existing_codes end
circuit_switch •CircuitSwitch ͷ։ด݅ نఆ্ݶճʹ౸ୡ ։์݅ͱҰக ด݅ͱҰக ৗ࣮࣌ߦʴڧ੍ด
circuit_switch •CircuitSwitch ͷ։ด݅ if CircuitSwitch.open?(reach_limit: 100) do_something_experimental else call_existing_codes
end نఆ্ݶճʹ౸ୡ ։์݅ͱҰக ด݅ͱҰக ৗ࣮࣌ߦʴڧ੍ด
circuit_switch if CircuitSwitch.open?(if: current_user.testing?) do_something_experimental else call_existing_codes end •CircuitSwitch
ͷ։ด݅ نఆ্ݶճʹ౸ୡ ։์݅ͱҰக ด݅ͱҰக ৗ࣮࣌ߦʴڧ੍ด
circuit_switch if CircuitSwitch.open?( close_if: Date.today > some_period ) do_something_experimental
else call_existing_codes end •CircuitSwitch ͷ։ด݅ نఆ্ݶճʹ౸ୡ ։์݅ͱҰக ด݅ͱҰக ৗ࣮࣌ߦʴڧ੍ด
circuit_switch rake circuit_switch:terminate_to_run [/app/services/greetings_service:21 block in
validate] •CircuitSwitch ͷ։ด݅ if CircuitSwitch.open?(close_if_reach_limit: false) do_something_experimental else call_existing_codes end نఆ্ݶճʹ౸ୡ ։์݅ͱҰக ด݅ͱҰக ৗ࣮࣌ߦʴڧ੍ด
circuit_switch CircuitSwitch.report(if: unexpected_happen) •CircuitSwitch ͕։͍͍ͯΔ࣌ report ΛૹΔ •Slack
Bugsnag ͳͲҙͷϨϙʔτπʔϧΛࢦఆ •։ด݅ open? ͱྨࣅͷ݅Λࢦఆ
circuit_switch •ґଘϥΠϒϥϦ •ActiveRecord •࣮ߦߦʢcallerʣɾCircuitSwitch ͷ։ดঢ়ଶΛ DB ʹอଘ •ActiveJob •DB ߋ৽ɾϨϙʔτ
circuit_switch •ίʔυϦʔμʔͷΈͲ͜Ζ
circuit_switch •ίʔυϦʔμʔͷΈͲ͜Ζ •ͳ͍
circuit_switch •ίʔυϦʔμʔͷΈͲ͜Ζ •ͳ͍ •ͳ͍ͷ͕ΈͲ͜Ζʢʁʣ
ΈͲ͜Ζ •ԿมΘͬͨ͜ͱΛ͍ͬͯͳ͍ •Rails ͷίʔυ͕ॻ͚ͨΒॻ͚Δ •ࠓ͙͢ॻ͖࢝ΊΒΕΔ
ΈͲ͜Ζ •;ͭ͏ͷ Rails ΞϓϦ͕ґଘ͍ͯ͠ΔϥΠϒϥϦʹґଘ •ࠓ͙͢ಋೖͰ͖Δ
ͱ͜ΖͰ͓ؾ͖͔ͮͱࢥ͍·͕͢
Inspired by •Feature Toggles •CircuitBreaker 'FBUVSF5PHHMFTNBSUJOGPXMFSDPN IUUQTNBSUJOGPXMFSDPNBSUJDMFTGFBUVSFUPHHMFTIUNM $JSDVJU#SFBLFSNBSUJOGPXMFSDPN
IUUQTNBSUJOGPXMFSDPNCMJLJ$JSDVJU#SFBLFSIUNM
Feature Toggles •৽ػೳΛಛఆϢʔβʹ҆શɾ͔ʹఏڙ͢ΔͨΊͷΈ •ؔ࿈ɿDark Launch •🙅 େن feature ϒϥϯν্Ͱͷ։ൃ
🙆 master(main) ϒϥϯνʹ߹ྲྀͨ͠։ൃ 'FBUVSF5PHHMFTNBSUJOGPXMFSDPN IUUQTNBSUJOGPXMFSDPNBSUJDMFTGFBUVSFUPHHMFTIUNM
Feature Toggles •ΧφϦΞϦϦʔε •ϥϯμϜબग़ͷۃҰ෦ͷҰൠϢʔβʹػೳ։์༷ͯ͠ࢠݟ •A / B ςετ 'FBUVSF5PHHMFTNBSUJOGPXMFSDPN
IUUQTNBSUJOGPXMFSDPNBSUJDMFTGFBUVSFUPHHMFTIUNM
CircuitBreaker •αʔόʹಛఆճҎ্ͷো͕ൃੜͨ࣌͠ʹ ϦΫΤετΛड͚͚ͣʹΤϥʔΛฦ͢Έ •োͷ࿈తͳൃੜΛ͙ •αʔό͕վળͨ͠ΒࣗಈͰ෮ؼ͢Δ $JSDVJU#SFBLFSNBSUJOGPXMFSDPN IUUQTNBSUJOGPXMFSDPNCMJLJ$JSDVJU#SFBLFSIUNM
Inspired by … ?
Inspired by … ? •ΠϯεύΠΞ͞Εͨͱ͍͏ʹΈ͕͠ΐ΅͍ •τάϧͷཧʹ͕͋Δ •ϒϨʔΧʔΛམͱ͕݅ͨͩ͢ͷճ •ࣗಈ෮ؼ͠ͳ͍ •DB ΞΫηεΛ͢ΔͷͰΦʔόʔϔου͕ੜ͡Δ
ɹো͕ଟ͍ΜͰ͢Α…😣 ɹ90% ϛε͕ͳ͍͜ͱͷอূͦͦ͜͜Ͱ͖Δ͚Ͳ ɹ100% ϛε͕ͳ͍͜ͱͷอূͱͯߴίετ ɹϦϦʔεසΛ্͛Δͷ͕ͯ͘͠…😭 ɹ͙͢ʹΓͤΔΑ͏ʹͨ͠ํ͕ ɹ݈શ͔͠Ε·ͤΜͶ
Ұूத •΄͍͠ͷʮίετʹΓͤΔʯΈ •ͱʹ͔͘ࠓ΄͍͠ ػೳ͚ͩΛ࣮ͯ͠ϦϦʔε
ॠൃྗ •ͱΓ͋͑ͣ΄͔ͬͨ͠ •ϨϏϡʔɾௐࠪɾςετίετ͕૿େ͍ͯ͠Δঢ়گΛվળ͍ͨ͠ •ݱͷࠓ͋Δ՝Λࠓ͙͢ղܾ͍ͨ͠ •Γͳ͍ࣝɾٕज़ͨ͘͞Μ͋Δ •४උ͕Ͱ͖Δ·Ͱͭͱ͋ͬͱ͍͏ؒʹ݄͕ա͗Δ
ॠൃྗ •MVP •Minimum Viable Product •࣮༻࠷খݶͷ •ఏڙ͠ͳ͕Β։ൃ͢Δ
Βͳ͍ཧ༝ •ͦ͏͔͠Εͳ͍ •ͦ͏Ͱͳ͍͔͠Εͳ͍ •OSS ʹ͓͚ͯ͠୭͔ͷʹཱ͔ͭ͠Εͳ͍ •OSS ʹ͠ͳ͍ཧ༝ͳ͍ ɹgem ʹ͠ͳ͍͍ͯ͘Μ͡Όͳ͍ʁ
՝ʹΞϓϩʔν͢Δ •ίʔυͷ͠͞ͱϥΠϒϥϦͷՁؔͳ͍ ɹ͜Μͳ͠ΐ΅͍ίʔυΛੈʹग़͢ͳΜͯ…
·͍ͣͪ࢝͘͞ΊΔ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠