1. Apache Continuum
Build, Test, and Release
Wendy Smoak
ApacheCon Europe
March 27, 2009

2. Wendy Smoak
• Member, The Apache Software Foundation
• Committer, Apache Continuum, Archiva,
Struts, Tiles, Maven, ...
• Solutions Architect, G2iX
wsmoak@apache.org
http://wsmoak.net
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3. How many...
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4. Continuous Integration
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5. Continuous Integration
... is a software development practice in which
members of a team integrate their work frequently.
Usually each person integrates at least daily -
leading to multiple integrations per day.
Each integration is verified by an automated build
(including tests).
http://www.martinfowler.com/articles/continuousIntegration.html
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6. Continuous Integration
check in
notify build
test
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7. Why CI?
• Save time
• Increase visibility
• Improve coverage
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8. Apache Continuum
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9. Apache Continuum
• Apache top-level project
• More than CI...
• Role-based Access Control
• Release Management
• Parallel and Distributed Builds
• Configurable JVM Wrapper
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10. Prerequisites
• Java SE 5
• Maven, Ant, Script
• Subversion, CVS, Git
• Tests!
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11. Demo
• Download • Build Queues
• Install • Release
• Start and Stop • Project Groups
• Configure • Users and Roles
• Build Definitions • Notifiers
• Build Environments • JVM Wrapper
• Build Schedules • XML-RPC
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12. Download
http://continuum.apache.org 12

13. Install
• Unpack the distribution
• Continuum + Jetty + Derby
$ ls
LICENSE apps
conf
derby.log
logs
NOTICE
bin
data
lib
tmp
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14. Pre-Configure
• conf/jetty.xml
• Port number
• SMTP config
• Data sources
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15. Start
• bin/continuum start
• Automatically detects platform
• Windows
• bin/continuum.bat console --or--
• bin/continuum.bat install (as a service)
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16. Demo Setup
svn.example.com build.example.com
httpd + mod_dav_svn Continuum + Jetty
running locally running locally
repo.example.com
command line
Archiva + Jetty
developer workstation
running locally
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17. Demo!
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18. Admin User
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19. Configure
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20. Add Projects
• Maven 2
• Ant
• Maven 1
• Shell Script
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21. Project Groups
• Logical group of projects
• Multi-module Maven project
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22. Build
• Build all projects
• Order is determined by dependencies
• Build one or more projects
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23. View Results
• Build status
• Build output
• Test results
• Working copy
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24. Release
• Web interface
• Prepare, then Perform
• Consistent environment
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25. End Demo
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26. Installations
• Environment Variable var=value
• Tool (Ant, Maven, JDK) JDK Maven
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27. Build Environments
Build Environment
JDK Maven var=value
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28. Build Schedules
Schedule
When to run
• Hourly by default Max time
• crontab format Build Queue(s)
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29. Build Definitions
• Build file such as pom.xml
• goals and arguments
• Schedule
• Build Environment
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30. Build Queues
Build Queue 1
• For parallel builds
Build Queue 2
• Associated with Schedules
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31. Notifiers
• Email, IRC, MSN, Jabber, Wagon
• Configure in Maven pom.xml
• Add directly to Continuum
• Can notify the latest committers
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32. Parallel Builds
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33. Distributed Builds
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34. Users
• Self registration
• Per-project roles
• Web based
• Configurable security rules
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35. XML-RPC
• Control Continuum from external scripts
or programs
• Java examples available
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36. JVM Wrapper
• conf/wrapper.conf
• http://wrapper.tanukisoftware.org
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37. SCM Support
http://docs.codehaus.org/display/SCM/SCM+Matrix
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38. Alternatives
• Bamboo (Atlassian)
• Cruise Control (Thoughtworks)
• Hudson
• ... and many others
http://damagecontrol.codehaus.org/Continuous+Integration+Server+Feature+Matrix
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39. What’s coming?
• Plugin architecture
• Hosting project websites
• ... what do you need?
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40. Where we need help
• Discussing and coding features and fixes
• UI Design and Usability
• Writing documentation
• Testing - JUnit, TestNG, Selenium
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41. Where you can find us
• http://continuum.apache.org
• users@continuum.apache.org
• #continuum on irc.codehaus.org
• Here at ApacheCon!
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42. Questions?
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43. Apache Continuum
Build, Test, and Release
Wendy Smoak
ApacheCon Europe
March 27, 2009