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Jenkins: The Definitive Guide

Cover of Jenkins: The Definitive Guide by John Ferguson Smart Published by O'Reilly Media, Inc.
  1. Jenkins: The Definitive Guide
    1. SPECIAL OFFER: Upgrade this ebook with O’Reilly
    2. Foreword
    3. Preface
      1. Audience
      2. Book Layout
      3. Jenkins or Hudson?
      4. Font Conventions
      5. Command-Line Conventions
      6. Contributors
      7. The Review Team
      8. Book Sponsors
      9. Using Code Examples
      10. Safari® Books Online
      11. How to Contact Us
      12. Acknowledgments
    4. 1. Introducing Jenkins
      1. Introduction
      2. Continuous Integration Fundamentals
      3. Introducing Jenkins (née Hudson)
      4. From Hudson to Jenkins—A Short History
      5. Should I Use Jenkins or Hudson?
      6. Introducing Continuous Integration into Your Organization
      7. Where to Now?
    5. 2. Your First Steps with Jenkins
      1. Introduction
      2. Preparing Your Environment
      3. Starting Up Jenkins
      4. Configuring the Tools
      5. Your First Jenkins Build Job
      6. Your First Build Job in Action
      7. More Reporting—Displaying Javadocs
      8. Adding Code Coverage and Other Metrics
      9. Conclusion
    6. 3. Installing Jenkins
      1. Introduction
      2. Downloading and Installing Jenkins
      3. Preparing a Build Server for Jenkins
      4. The Jenkins Home Directory
      5. Installing Jenkins on Debian or Ubuntu
      6. Installing Jenkins on Redhat, Fedora, or CentOS
      7. Installing Jenkins on SUSE or OpenSUSE
      8. Running Jenkins as a Stand-Alone Application
      9. Running Jenkins Behind an Apache Server
      10. Running Jenkins on an Application Server
      11. Memory Considerations
      12. Installing Jenkins as a Windows Service
      13. What’s in the Jenkins Home Directory
      14. Backing Up Your Jenkins Data
      15. Upgrading Your Jenkins Installation
      16. Conclusion
    7. 4. Configuring Your Jenkins Server
      1. Introduction
      2. The Configuration Dashboard—The Manage Jenkins Screen
      3. Configuring the System Environment
      4. Configuring Global Properties
      5. Configuring Your JDKs
      6. Configuring Your Build Tools
      7. Configuring Your Version Control Tools
      8. Configuring the Mail Server
      9. Configuring a Proxy
      10. Conclusion
    8. 5. Setting Up Your Build Jobs
      1. Introduction
      2. Jenkins Build Jobs
      3. Creating a Freestyle Build Job
      4. Configuring Source Code Management
      5. Build Triggers
      6. Build Steps
      7. Post-Build Actions
      8. Running Your New Build Job
      9. Working with Maven Build Jobs
      10. Using Jenkins with Other Languages
      11. Conclusion
    9. 6. Automated Testing
      1. Introduction
      2. Automating Your Unit and Integration Tests
      3. Configuring Test Reports in Jenkins
      4. Displaying Test Results
      5. Ignoring Tests
      6. Code Coverage
      7. Automated Acceptance Tests
      8. Automated Performance Tests with JMeter
      9. Help! My Tests Are Too Slow!
      10. Conclusion
    10. 7. Securing Jenkins
      1. Introduction
      2. Activating Security in Jenkins
      3. Simple Security in Jenkins
      4. Security Realms—Identifying Jenkins Users
      5. Authorization—Who Can Do What
      6. Auditing—Keeping Track of User Actions
      7. Conclusion
    11. 8. Notification
      1. Introduction
      2. Email Notification
      3. More Advanced Email Notification
      4. Claiming Builds
      5. RSS Feeds
      6. Build Radiators
      7. Instant Messaging
      8. IRC Notification
      9. Desktop Notifiers
      10. Notification via Notifo
      11. Mobile Notification
      12. SMS Notification
      13. Making Noise
      14. Extreme Feedback Devices
      15. Conclusion
    12. 9. Code Quality
      1. Introduction
      2. Code Quality in Your Build Process
      3. Popular Java and Groovy Code Quality Analysis Tools
      4. Reporting on Code Quality Issues with the Violations Plugin
      5. Using the Checkstyle, PMD, and FindBugs Reports
      6. Reporting on Code Complexity
      7. Reporting on Open Tasks
      8. Integrating with Sonar
      9. Conclusion
    13. 10. Advanced Builds
      1. Introduction
      2. Parameterized Build Jobs
      3. Parameterized Triggers
      4. Multiconfiguration Build Jobs
      5. Generating Your Maven Build Jobs Automatically
      6. Coordinating Your Builds
      7. Build Pipelines and Promotions
      8. Conclusion
    14. 11. Distributed Builds
      1. Introduction
      2. The Jenkins Distributed Build Architecture
      3. Master/Slave Strategies in Jenkins
      4. Associating a Build Job with a Slave or Group of Slaves
      5. Node Monitoring
      6. Cloud Computing
      7. Using the CloudBees DEV@cloud Service
      8. Conclusion
    15. 12. Automated Deployment and Continuous Delivery
      1. Introduction
      2. Implementing Automated and Continuous Deployment
      3. Deploying to an Application Server
      4. Conclusion
    16. 13. Maintaining Jenkins
      1. Introduction
      2. Monitoring Disk Space
      3. Monitoring the Server Load
      4. Backing Up Your Configuration
      5. Archiving Build Jobs
      6. Migrating Build Jobs
      7. Conclusion
    17. A. Automating Your Unit and Integration Tests
      1. Automating Your Tests with Maven
      2. Automating Your Tests with Ant
    18. Index
    19. About the Author
    20. Colophon
    21. SPECIAL OFFER: Upgrade this ebook with O’Reilly

Parameterized Triggers

When you trigger another build job from within a parameterized build job, it is often useful to be able to pass the parameters of the current build job to the new one. Suppose, for example, that you have an application that needs to be tested against several different databases. As we have seen, you could do this by setting up a parameterized build job that accepts the target database as a parameter. You may want to kick of a series of builds, all of which will need this parameter.

If you try to do this using the conventional “Build other projects” option in the Post-Build Actions section, it won’t work. In fact, you can’t trigger a parameterized build in this way.

However, you can do this using the Jenkins Parameterized Trigger plugin. This plugin lets you configure your build jobs to both trigger parameterized builds, and to pass arbitrary parameters to these builds.

Once you install this plugin, you will find the option of “Triggering parameterized builds on other projects” in your build job configuration page (see Figure 10-16). This lets you start another build job in a number of ways. In particular, it lets you kick off a subsequent build job, passing the current parameters to this new build job, which is impossible to do with a normal triggered build. The best way to see how this works is through an example.

In Figure 10-15 we have an initial build job. This build job takes a single parameter, DATABASE, which specifies the database to be used for the tests. ...

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