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Continues Integration

Johan Aludden

Twitter: johanaluddenMail: me@johanaludden.com

Blog: johanaludden.com/weblog

mailto:me@johanaludden.commailto:me@johanaludden.commailto:me@johanaludden.com

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What is Continues Integration?

Compile continuously Test continuously Prepare installation continuously

Measure quality continuously Create documentation continuously

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Components

Developers Version Control Repository CI server Build script Feedback Integration Build Machine

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Developers

Makes Changes to code Runs a private Build Commits changes

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Version Control Repository

Central point of truth Good Practice History CVS, SVN, Perforce, Git

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CI server

Checks for changes Retrieves changes Runs build script(s) Dashboard

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Build Script

Automated Complete Launched from Command line

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Feedback

Email Instant messaging SMS RSS Sounds

Monitor

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Integration Build Machine

Dedicated The reference

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Benets

Risk reduction Less repetition Generate Deployable Software

Increase Visibility More Condence

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First steps

Centralized repository Compile code Package binaries

Add testing Add inspections

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Common Problems

Long build time Frequently failed builds

To much information Many target platforms

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Long build time

Make it faster Split and run in Parallell

Split and run in Sequence

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To much information

Is all information necessary What information can be removed

Multiple source of information Pull not push Visualize information

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Pipelines

Jobs Runs in Parallell

Stages Runs in sequence contains 1 or more jobs

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PipelinePipeline

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CI servers

CruiseControl Hudson Cruise Bamboo

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Links Martin Fowler (http://martinfowler.com/articles/continuousIntegration.html) Book (http://www.amazon.com/Continuous-Integration-Improving-Software-

Reducing/dp/0321336380)

CruiseControl (http://cruisecontrol.sourceforge.net/) Hudson (https://hudson.dev.java.net/) WikiPedia (http://en.wikipedia.org/wiki/Continuous_integration/)

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http://en.wikipedia.org/wiki/Continuous_integration/http://en.wikipedia.org/wiki/Continuous_integration/https://hudson.dev.java.net/https://hudson.dev.java.net/http://www.amazon.com/Continuous-Integration-Improving-Software-Reducing/dp/0321336380http://www.amazon.com/Continuous-Integration-Improving-Software-Reducing/dp/0321336380http://www.amazon.com/Continuous-Integration-Improving-Software-Reducing/dp/0321336380http://www.amazon.com/Continuous-Integration-Improving-Software-Reducing/dp/0321336380http://martinfowler.com/articles/continuousIntegration.htmlhttp://martinfowler.com/articles/continuousIntegration.html

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Questions?