continuous integration

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25 June, 2008 Continuous Integrationby Mel Gerats

Continuous Integration, by Mel Gerats2

Definitionhttp://en.wikipedia.org/wiki/Continuous_integration

Continuous integration describes a set of software engineering practices that speed up the delivery of software by decreasing integration times

25 June, 2008

Continuous Integration, by Mel Gerats3

Maintain a Single Source Repository.

Simple: Use source control

25 June, 2008

Continuous Integration, by Mel Gerats4

Automate the Build

Building should take one action at most! Building should not take YOUR time=> Build server

- CruiseControl.net- Team System Build Server- Team City

25 June, 2008

Continuous Integration, by Mel Gerats5

Make Your Build Self-Testing

Tests should be run every build=> Tests can have no effects, or should at least clean up.

25 June, 2008

Continuous Integration, by Mel Gerats6

Everyone Commits Every Day

Check in often! Find problems early Mostly for large projects?

25 June, 2008

Continuous Integration, by Mel Gerats7

Every Commit Should Build the Mainline on an Integration Machine

Automated build after checkin Automated tests after checkin

25 June, 2008

Continuous Integration, by Mel Gerats8

Test in a Clone of the Production Environment

The code may be fine, but the environment? Dependencies Versions OS …

25 June, 2008

Continuous Integration, by Mel Gerats9

Everyone can see what's happening

Checkin reports Build reports Test reports Coverage reports http://buildserver/ccnet

25 June, 2008

Continuous Integration, by Mel Gerats10

Automate Deployment

Successful build => deploy to staging

25 June, 2008

Continuous Integration, by Mel Gerats11

Overview

Maintain a Single Source Repository. Automate the Build Make Your Build Self-Testing Everyone Commits Every Day Every Commit Should Build the Mainline on an Integration Machine Keep the Build Fast Test in a Clone of the Production Environment Make it Easy for Anyone to Get the Latest Executable Everyone can see what's happening Automate Deployment

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Continuous Integration, by Mel Gerats12

Challenges

Bus factor Dependencies Broken window syndrome

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Continuous Integration, by Mel Gerats13

Todo’s

Research/try out options-Now we use CruiseControl-Tom will try TeamCity + FinalBuilder-Experiment with Team System

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Continuous Integration, by Mel Gerats14

Next steps

Automated unit tests Reports Automated deployment

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Continuous Integration, by Mel Gerats15

Resources

Martin Fowler on continuous integration Our buildserver CruiseControl Teamcity Team Foundation Build

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16 Continuous Integration, by Mel Gerats

www.orbitone.com

25 June, 2008