掌握 Feature Toggle 與 OpenFeature 規範

Speaker: Noah Hsu
Event: JCConf 2024

Transcript

2. 掌握Feature Toggle 與OpenFeature規範
3. 許子庭 (Noah Hsu) 台灣連線 2018 ~ 2021 : Java Engineer 2021 ~ : Server-Side Engineer 2022 ~ : Pipeline TF
4. 01 02 03 What & Why What & Why What OpenFeature Flagship4J Feature Toggle CONTENT 04 How & When Using Flagship4J
5. SECTION 01 Improve development/testing/deployment flexibility Feature Toggle
6. Dynamic (no code change) manage application behavior What is Feature Toggle AS IS TO BE Given
7. UI Example (Flagr) What is Feature Toggle
8. UI Example (Flagr) What is Feature Toggle
9. Dynamic (no code change) manage application behavior Why Feature Toggle • Hard Code • Code Change • Deploy • Config • DB • Change DB • DB traffic • Feature Toggle • Network Traffic • UI management • Deploy • Restart
10. Benefit of Feature Toggle
11. SECTION 02 OpenFeature
12. What is OpenFeature OpenFeature is an open source CNCF incubating project under the Apache 2 license. OpenFeature is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool or in-house solution. (https://openfeature.dev/, 2024 Sep.)
13. 01 One SDK, any backend 02 Supports your favorite tools 03 Speaks your language
14. SECTION 03 Feature toggle system API-Client SDK follow OpenFeature specification. Flagship4j
15. Flagship4j Openflagr Provider Java starter Spring Boot starter Use-case example code The “One SDK”
16. Easy to Use Spring Boot starter Java starter
17. SECTION 04 Using Flagship4j
18. Toggle Type https://martinfowler.com/articles/feature-toggles.html, 2024
19. 2024.12.24 remove old code and toggle 2024.12.17 2024.12.20 2024.12.20 open toggle vendor’s API ready new feature deploy (toggle off) time The API Vendor release date doesn't match Release Toggle Case
20. On/Off Release
21. Migrate search API which has unclear performance implications Ops Toggle Case 2024.12.26 100% rollout 2024.12.17 2024.12.20 2024.12.23 60% 25% rollout Deploy change (10% rollout) time 2024.12.31 remove code and toggle
22. Rollout xxx.xxxx@sw-host
23. To test green or blue button attracts more purchases Experiment Toggle Case
24. Beta feature are only available to internal users and beta user Permission Toggle Case