Continuous Integration (Jenkins/Hudson)
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Jenkins is an open-source tool for continuous integration that allows developers to integrate code changes frequently from a main branch using an automated build process. It detects errors early, measures code quality, and improves delivery speed. Jenkins supports various source control, build tools, and plugins to customize notifications and reporting. Security features allow restricting access and privileges based on user roles and projects.
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Continuous Integration (Jenkins/Hudson)
- 1. Continuous Integration (Jenkins/Hudson) Dennys 謝松廷
- 2. Agenda What’s Continuous Integration Jenkins/Hudson Features Plugin Security Management Demo Q&A
- 3. What’s Continuous Integration? In software engineering, continuous integration (CI) implements continuous processes of applying quality control - small pieces of effort, applied frequently. Continuous integration aims to improve the quality of software, and to reduce the time taken to deliver it, by replacing the traditional practice of applying quality control after completing all development. Ref: http://en.wikipedia.org/wiki/Continuous_integration
- 4. History Continuous Integration emerged in the Extreme Programming (XP) community, and XP advocates Martin Fowler and Kent Beck first wrote about continuous integration circa 1999.
- 5. Continuous Integration Continuous Integration is a software development practice where 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 test) to detect integration errors as quickly as possible. -- Martin Fowler Ref: http://martinfowler.com/articles/continuousIntegration.html
- 6. Why Continuous Integration? Integration is hard, effort increase exponentially with Number of components Number of bugs Time since last integration Ref: http://www.slideshare.net/carlo.bonamico/continuous-integration-with-hudson
- 7. Continuous Integration Benefit Project Management Detect system development problems earlier Reduce risks of cost, schedule, and budget Code Quality Measurable and visible code quality Continuous automatic regression unit test
- 8. Best Practice of CI Single Source Repository. Automate the Build and Test Everyone Commits Every Day Keep the Build Fast Everyone can see what's happening Automate Deployment (Optional)
- 9. Continuous Integration Tools Ref: http://en.wikipedia.org/wiki/Comparison_of_Continuous_Integration_Software
- 10. Jenkins/Hudson
- 11. What’s Jenkins/Hudson An open source CI server More then 23000 installations (Jul 2010) Plug-in extensibility ( Over 370 plugins) MIT license
- 12. Continuous Integration Overview Ref: http://www.javaworld.com/javaworld/jw-12-2008/images/CIOverview.jpg
- 13. CI Tool Usage Ref: http://java.dzone.com/node/28241/results Ref: http://www.wakaleo.com/resources/polls Total vote: 643 First Vote: 2010/02/12 Last Vote: 2011/03/08
- 14. Jenkins v.s.Hudson Jenkins: Original Hudson team Hudson: Oracle and Sonatype Ref: http://jenkins-ci.org/content/hudsons-future
- 15. Jenkins Features Trigger a build Get source code from repository Automatically build and test Generate report & notify Deploy Distributed build
- 16. Jenkins Requirement Web Server (Tomcat, WebLogic, …) Build tool (Maven, Ant) SCM (Git, Svn, Cvs, …)
- 17. Jenkins Plugins Build triggers Source code management Build tools Build wrappers Build notifiers Build reports Artifact uploaders UI plugins Authentication and user management
- 18. Build Trigger Manually click build button Build periodically Build whenever a SNAPSHOT dependency is built Build after other projects are built Poll SCM IRC, Jabber, …
- 19. Get Source Code (1/2) CVS (build-in) SVN (build-in) GIT (requires Git) ClearCase (requires ClearCase) Mercurial, PVCS, VSS, …
- 20. Get Source Code (2/2) Get current snapshot Get baseline (tag)
- 22. Build Tools Java Maven (build-in), Ant, Gradle .Net MSBuild, PowerShell Shell script Python, Ruby, Groovy
- 23. Build Wrapper Build name (version no) setter Virtual machine (VMWare, Virtual Box) Set environment variable ClearCase release plugin …
- 24. Build Notifier E-mail Twitter Jabber IRC RSS Google calendar …
- 25. Build Report Static Code Analysis Checkstyle, PMD, Findbugs, Compiler Warning Test Report & Code Coverage JUnit, TestNG, Cobertura, Clover Open Tasks
- 27. CheckStyle
- 28. FindBugs
- 29. Open Tag
- 30. Duplicate Code
- 31. Test Report
- 32. Test Code Coverage Ref: http://cobertura.sourceforge.net/sample/
- 33. Artifact uploaders Tomcat JBoss Glassfish WebSphere FTP SSH
- 34. UI Enhancement Dashboard Sectioned view iPhone/Android
- 35. Security Management Security Realm LDAP Jenkins's own user database Delegate to servlet container Authorization Anyone can do anything Logged-in users can do anything Matrix-based security Project-based Matrix Authorization Strategy Legacy mode
- 36. Security Management Matrix-based security Project-based Matrix Authorization
- 37. Security Management Plugins Active directory, OpenID, MySQL, … Role based privilege control
- 38. Plugin Usage Statistics Ref: http://jenkins-ci.org/content/updated-usage-stats-available
- 39. Features Not Mentioned Matrix project Distributed build
- 40. Demo