Continuous Integration: A Case Study

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Session Presented at 2nd IndicThreads.com Conference On Software Quality held on 25-26 March 2011 in Pune, India …

Session Presented at 2nd IndicThreads.com Conference On Software Quality held on 25-26 March 2011 in Pune, India
WEB: http://Q11.IndicThreads.com

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  • 1. Continuous Integration: A case study Vaibhav Kothari Talentica Software (I) Pvt ltd
  • 2. Abstract
      • Developer’s dilemma
      • QA’s dilemma
      • Continuous Integration ?
      • Case study
      • What is accomplished ?
      • Benefits of CI
      • Recommended Practices
      • Other Tools Available
      • Q&A
  • 3. Developer’s dilemma
      • Will my changes integrate successfully with all versions of code?
      • How much time/effort it will take to build and deploy from different source repository branches?
      • Why can’t QA take this up!!
  • 4. QA’s dilemma
      • How much time/effort it will take to build and deploy from different source repository branches?
      • How much time/effort will it take test builds from different sources?
      • I can't build that often!
  • 5. Continuous Integration ??
      • As wiki says
      • “ Continuous integration involves integrating early and often, so as to avoid the pitfalls of " integration hell ". The practice aims to reduce rework and thus reduce cost and time.”
  • 6. Continuous Integration….
  • 7. Continuous Integration….
      • Integrating the build process with continuous development.
      • Concurrent build preparation from different branches.
      • Integrating build system with deployment and test automation.
      • Monitoring build and test.
  • 8. CI in agile development
  • 9. Case Study
      • Current Product development Lifecycle
  • 10. Case Study
      • Where does integration server stands ?
  • 11.
    • Features to look out for
      • Basic Continuous Integration
      • Build Triggering options
      • Support for tools
      • Set ups and usability
      • Build logs and metrics
      • Notifications
      • Plugins, Extensions
    Case Study
  • 12.
    • Hudson CI
      • Open source tool available as deployable war file.
      • Each build and deployment process can be set up as a separate project and run concurrently or subsequently.
      • Supports distributed builds
      • The most used CI server in an informal developer survey!
    Case Study
  • 13. Case Study
      • Tools to be Integrated
    Windows XP/Linux OS Selenium RC Test Automation Apache Tomcat 6.0 Web server Apache Ant Build Tool Sub version Version control Hudson CI Continuous Integration
  • 14. Case Study… Setting up a build Job
  • 15. Case Study….. Defining build triggers
  • 16.
    • Post build tasks
      • Automate build and deployment process and server restart.
      • Integrate Hudson with test automation suite
      • Remote deployment of multiple builds and test suite invocation
    Case Study
  • 17. Case Study… Post build tasks
  • 18.
    • Distributed Builds
      • Build distribution using Single Hudson installation.
      • Single click using Master/Slave mode.
      • Concurrency in largely distributed projects.
    Case Study
  • 19. Case Study… Building Remotely
  • 20. Case Study… Slave set up in Hudson
  • 21. Case Study…. What’s achieved?
  • 22.
      • Nobody minds it! Single click process.
      • Early identification of build issues.
      • Early identification of bugs.
      • Incremental development.
      • Constant availability of sane build.
      • Efficient use of Test Automation.
      • More time for Quality improvement.
    Benefits of CI
  • 23.
      • Maintain a code repository
      • Automate the build and Deployment
      • Make your build self-testing
      • Everyone commits every day
      • Every commit (to mainline) should be built
      • Keep the build fast
      • Test in a clone of the production environment
      • Make it easy to get the latest deliverables
      • Everyone can see the results of the latest build
    Recommended Practices
  • 24. Other Tools Available Tools Advantages Limitations Cruise Control - Supports wide project and SCM tool. - Good notification techniques - Large number of plugins - Complicated set up - XML based configuration Continuum - Easy to install and use - Web Administrative console - Not suitable for big projects Luntbuild - Easy to install and use - Web Administrative console - Supports wide range of tools - Not support remote project build up TeamCity - Supports distributed build - Professional support (JetBrains) - Advanced options
      • Commercial tool (free for 10 projects)
    Bamboo
      • Advanced distributed build options
      • Integrates with JIRA
      • Commercial tools
  • 25. Q&A