continuous delivery the french way – dimitri baeli
TRANSCRIPT
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Dimitri BAELI -- LesFurets.com -- @dbaeli Agile Tour Beirut 2015
CONTINUOUSDELIVERYTHE FRENCH WAY
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LESFURETS.COM
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THE TEAM24 software engineers (500k lines of code)4 Business Analysts (100+ features/year)2 Sysadmins (10+ Servers)1 Delivery Manager (Agile)1 Program Manager (Portfolio)
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THE CODEBASE500.000 lines of code30.000 Unit tests200 Automated in Browser tests
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IN 2011: 11 RELEASESPlan/Estimate/Code/Test/Release monthlyMonthly SprintsRelease = ~360 man days of coding
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IN 2013: 60 RELEASESEstimate/Code/Test/Release monthlyWeekly cherry picksRelease = ~100 man days of coding
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IN 2014: 211 RELEASESShip what is READY the next dayDon't be blocked by unready codeRelease = ~30 man days of coding
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RELEASE OFTEN
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30 FEATURES IN PARALLEL AT WORK !
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CONTINUOUS DELIVERYBY THE BOOK
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Source: http://agilemanifesto.org
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AGILE MANIFESTOPRINCIPLE 1
"Our highest priority is to satisfy the customer through early and continuous delivery ofvaluable software."
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DELIVER EARLY, DELIVER OFTEN
Source: http://paulhammant.com/2013/03/13/facebook-tbd-take-2/
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CONTINUOUS DELIVERYJEZ HUMBLE, DAVID FARLEY
1. Fast builds2. Pre-Commit check (all tests ever ok)3. Simple and fast automated deployments4. Production monitoring and alerting5. Root Cause Analysis
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THE PHOENIX PROJECT
1. Novel about complex projects in IT2. Experts are constraint3. Power of Agile/DevOps
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PRODUCT DEVELOPMENT FLOWDON REINERTSEN
Work with a flowManage Queues of workLead Time more than work durationReduce per release costs
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KANBAN : EVOLUTIONARY CHANGEDAVID ANDERSON
Visualize the workLimit the Work in ProcessExplicit RulesContinuous ImprovementLeadership
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HOW GOOGLE TEST SOFTWAREJAMES WHITAKER
Dev QA their own changesBuild test tools for devsAutomate where Failures occurs
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GIT & GITHUB FLOWS
http://scottchacon.com/2011/08/31/github-flow.html
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CONTINUOUS DELIVERYAT LESFURETS.COM
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Deliver ...when it's ready
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RELEASECodeTestDeployMonitor
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SELF-MANAGED DEPLOYMENT
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VALIDATION & QAShowcase/functional validationCode reviewsSeleniumRegression Testing : Zeno Pixel
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SELENIUM
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SELENIUMPage Object PatternFluent API (FluentLenium like)Selenium in the sky with LXC200 Selenium tests in <10min
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ZENOVISUAL REGRESSION
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CONTINUOUS DELIVERYAT CODE-LEVEL
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DON'T BE BLOCKED BY OTHERS !
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CODEBASE LEVEL
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FEATURE BRANCHING
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CONTINUOUS INTEGRATIONON EVERY COMMITCompilationAutomated testsBonus: Merge all branches (and test)
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octopus
master feature A feature B
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octopus
master feature A
feature B
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octopus
master feature A
feature Bdisposablecommit
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RELEASE OFTENRelease is not an eventRelease what is readyNon blocking mindset
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THANK YOU !
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@BeastieFuretsLesFurets