Integrated Feature Management - Using Feature Flags - SunshinePHP
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Dana LutherFollow
Feb. 7, 2020•0 likes•83 views
Integrated Feature Management - Using Feature Flags - SunshinePHP
Feb. 7, 2020•0 likes•83 views
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A/B testing? Canary Rollouts? Service maintenance windows? All of these and more can be controlled dynamically by using feature flags. In this presentation, we'll go over the benefits of feature flags and demonstrate how to effectively incorporate them into your codebase and workflows. You don't need a fancy service to make this happen - there are several php libraries you can use. In this scenario, I will demonstrate the Swivel library using a MySQL database.
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Integrated Feature Management - Using Feature Flags - SunshinePHP
- 1. @danaluther Integrated Feature Management Using Feature Flags Dana Luther https://joind.in/talk/7b4f6
- 2. @danaluther What are we going to do today, Brain?
- 3. @danaluther What are we going to do today, Brain? What are feature flags?
- 4. @danaluther What are we going to do today, Brain? What are feature flags? Why do we want to use them?
- 5. @danaluther What are we going to do today, Brain? What are feature flags? Why do we want to use them? How do we use and integrate them?
- 6. @danaluther What is a feature flag?
- 7. @danaluther What is a feature flag? A variable that defines a condition
- 8. @danaluther What is a feature flag? A variable that defines a condition A feature toggle (also feature switch, feature flag, feature flipper, conditional feature, etc.) is a technique in software development that attempts to provide an alternative to maintaining multiple source-code branches (known as feature branches), such that a feature can be tested even before it is completed and ready for release. Feature toggle is used to hide, enable or disable the feature during run time. “ “ — Wikipedia
- 10. @danaluther What is integrated management?
- 11. @danaluther What is integrated management? Defining your conditional such that you don’t need to update your codebase to switch features.
- 12. @danaluther What is integrated management? Defining your conditional such that you don’t need to update your codebase to switch features. Avoiding feature branches for the win!
- 13. @danaluther Feature branch misery …the struggle is real…
- 37. @danaluther Feature branch misery … 2 logic * 3 UI =
- 38. @danaluther Can we make it better?
- 39. @danaluther Can we make it better? Of Course! (Or we wouldn’t be here right now)
- 40. @danaluther Use conditional statements to consolidate the logic branches
- 41. @danaluther Consolidate logic branches … master sleepy-greeting
- 46. @danaluther YAY!! We can get rid of the sleepy branches!
- 47. @danaluther YAY!! We can get rid of the sleepy branches! (And there was much rejoicing)
- 48. @danaluther YAY!! We can get rid of the sleepy branches! (And there was much rejoicing) …but what about our UI features?
- 49. @danaluther Establish condition for view rendering
- 50. @danaluther Establish condition for view rendering
- 51. @danaluther
- 52. @danaluther (And there was much rejoicing)
- 53. @danaluther Why do we want to use feature flags?
- 54. @danaluther Why do we want to use feature flags? A/B Testing
- 55. @danaluther Why do we want to use feature flags? A/B Testing Canary Rollouts
- 56. @danaluther Why do we want to use feature flags? A/B Testing Canary Rollouts Maintenance Windows (internal and/or third party)
- 57. @danaluther Why do we want to use feature flags? A/B Testing Canary Rollouts Maintenance Windows (internal and/or third party) Seasonal Content / Calendar Driven
- 58. @danaluther Why do we want to use feature flags? A/B Testing Canary Rollouts Maintenance Windows (internal and/or third party) Seasonal Content / Calendar Driven See more at: http://featureflags.io/feature-flag-uses/
- 60. @danaluther A/B Testing Version A - 50%
- 61. @danaluther A/B Testing Version A - 50% Version B - 50%
- 63. @danaluther Canary Testing Version A - 90%
- 64. @danaluther Canary Testing Version A - 90% Version B - 10%
- 65. SIDEBAR: @danaluther Why do they call it canary testing? https://www.smithsonianmag.com/smart-news/story-real-canary-coal-mine-180961570/
- 66. @danaluther Canary Testing Version A - 90% Version B - 10%
- 68. @danaluther Maintenance Windows “Normal” Mode “Offline” Mode
- 69. @danaluther Maintenance Windows “Normal” Mode “Offline” Mode
- 72. @danaluther Seasonal Content “Normal” Mode “Annual Contest” Mode
- 73. @danaluther Why do we want to use feature flags? A/B Testing Canary Rollouts Maintenance Windows (internal and/or third party) Seasonal Content / Calendar Driven See more at: http://featureflags.io/feature-flag-uses/
- 74. @danaluther How do we use feature flags?
- 75. @danaluther How do we use feature flags? PHP Libraries:
- 76. @danaluther How do we use feature flags? PHP Libraries: https://featureflags.io/php-feature-flags/
- 77. @danaluther How do we use feature flags? PHP Libraries: https://featureflags.io/php-feature-flags/ https://packagist.org/ (feature flag search)
- 78. @danaluther How do we use feature flags? PHP Libraries: https://featureflags.io/php-feature-flags/ https://packagist.org/ (feature flag search) https://packagist.org/packages/zumba/swivel
- 79. @danaluther How do we use feature flags? PHP Libraries: https://featureflags.io/php-feature-flags/ https://packagist.org/ (feature flag search) https://packagist.org/packages/zumba/swivel https://packagist.org/packages/dhluther/yii2-swivel
- 80. @danaluther Key Concept: User Experience Groups The Cohort
- 82. @danaluther User “Buckets” Bucket ID 1 Bucket ID 2
- 83. @danaluther User “Buckets” Bucket ID 1 Bucket ID 2 Bucket ID 6
- 84. @danaluther User “Buckets” 1 2 3 4 5 6 7 8 9 10 Each bucket = 10% of visitors
- 85. @danaluther User “Cohort” 1 2 3 4 5 6 7 8 9 10 If they all experience the same thing - they are in the same cohort.
- 86. @danaluther 1 2 3 4 5 6 7 8 9 10 The cohort is defined by the experience. } } Feature A - Cohort A Feature B - Cohort B
- 87. @danaluther We know our groups, but does Google?
- 89. @danaluther GTM to Google Analytics - dataLayer dataLayer = [{ "visitorType":"guest", "bucketId":2, "ecommerce":{ "promoView":{ "promotions":[{ "id":"FANCY_WIDGET", "name":“Fancy Widget", "creative":"featured-index", "position":"featured" }] } } }];
- 90. @danaluther GTM to Google Analytics - dataLayer dataLayer = [{ "visitorType":"guest", "bucketId":2, "ecommerce":{ "promoView":{ "promotions":[{ "id":"FANCY_WIDGET", "name":“Fancy Widget", "creative":"featured-index", "position":"featured" }] } } }];
- 91. @danaluther Set GTM Variable from dataLayer
- 92. @danaluther Set the Variable to a Dimension value
- 93. @danaluther Google Analytics - Add Dimension
- 94. @danaluther Google Analytics - A/B Segments
- 95. @danaluther Google Analytics - Bucket Segments
- 96. @danaluther Google is ready … lets try our features
- 98. @danaluther Define Feature Slugs IndexStyle.Fancy IndexStyle.Fancier IndexStyle
- 99. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets IndexStyle 1,2,3,4,5,6,7,8,9,10 IndexStyle.Fancy 1,2,3,4,5,6,7,8,9,10 IndexStyle.Fancier 9,10 Canary Rollout of IndexStyle.Fancier
- 100. @danaluther How Swivel interprets the feature slugs
- 101. @danaluther Decouple from code deployment
- 102. @danaluther Decouple from code deployment
- 103. @danaluther Decouple from code deployment
- 105. @danaluther Canary release the fancier UI
- 106. @danaluther User Breakdown Default UI Fancy UI Fancier UI IndexStyle.Fancy IndexStyle.Fancier 80% Users0% Users (Killswitch Fallback) 20% Users
- 108. @danaluther Fully Release the Feature Feature Slug Buckets IndexStyle 1,2,3,4,5,6,7,8,9,10 IndexStyle.Fancy 1,2,3,4,5,6,7,8,9,10 IndexStyle.Fancier 1,2,3,4,5,6,7,8,9,10
- 109. @danaluther Updated User Breakdown Default UI Fancy UI Fancier UI IndexStyle.Fancy IndexStyle.Fancier 0% Users0% Users (Killswitch Fallback) 100% Users
- 112. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets Greeting 1,2,3,4,5,6,7,8,9,10 Greeting.Sleepy 6,7,8,9,10 AB Test Sleepy Greeting
- 113. @danaluther How Swivel interprets the feature slugs
- 114. @danaluther How Swivel interprets the feature slugs
- 115. @danaluther Flashback - Consolidated Greeting
- 116. @danaluther Flashback - Consolidated Greeting
- 117. @danaluther Vanilla Swivel Install - Swivel Feature
- 118. @danaluther Swivel Feature - A or B
- 119. @danaluther User Breakdown Default Greeting Sleepy Greeting Greeting.Sleepy 50% Users50% Users Cohort A Cohort B
- 120. @danaluther Using Google Analytics: A -vs- B
- 121. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets Greeting 1,2,3,4,5,6,7,8,9,10 Greeting.Sleepy AB Test Sleepy Greeting - A Wins
- 122. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets Deleted all Greeting features AB Test Sleepy Greeting - A Wins
- 123. @danaluther User Breakdown - Sleepy Disabled Default Greeting Sleepy Greeting Greeting.Sleepy 0% Users100% Users Cohort A Cohort B
- 124. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets Greeting 1,2,3,4,5,6,7,8,9,10 Greeting.Sleepy 1,2,3,4,5,6,7,8,9,10 AB Test Sleepy Greeting - B Wins
- 125. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets Greeting Greeting.Sleepy 1,2,3,4,5,6,7,8,9,10 AB Test Sleepy Greeting - Oops
- 126. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets Greeting Greeting.Sleepy 1,2,3,4,5,6,7,8,9,10 AB Test Sleepy Greeting - Oops
- 127. @danaluther User Breakdown - Sleepy Disabled Default Greeting Sleepy Greeting Greeting.Sleepy 100% Users0% Users Cohort A Cohort B
- 129. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets ThirdPartyAPI 1,2,3,4,5,6,7,8,9,10 ThirdPartyAPI.UnderMaintenance 1,2,3,4,5,6,7,8,9,10
- 131. @danaluther Assign Features to Buckets / Cohorts Feature Slug Buckets OurCrazyContest 1,2,3,4,5,6,7,8,9,10 OurCrazyContest.AcceptingEntries 1,2,3,4,5,6,7,8,9,10 OurCrazyContest.VotingOpen OurCrazyContest.FinalistsAnnounced
- 133. @danaluther Automate Feature Toggling Cron or system.d timers
- 134. @danaluther Automate Feature Toggling Cron or system.d timers Services that trigger database updates
- 135. @danaluther Automate Feature Toggling Cron or system.d timers Services that trigger database updates Sequential API failures automatically trigger ClientApi.Unavailable slug creation
- 136. @danaluther Automate Feature Toggling Cron or system.d timers Services that trigger database updates Sequential API failures automatically trigger ClientApi.Unavailable slug creation ?? You tell me!