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Ruby tools for building Jenkins plugins
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README.md

Jenkins plugins

Provide the facility to create, develop and release extensions for Jenkins with nothing but knowledge of the language, tools and best practices of the Ruby community.

read more...

Get started

Using JRuby, install the plugin tools

$ gem install jenkins-plugin

The gem provides the jpi executeable

$ jpi -h

jpi- tools to create, build, develop and release Jenkins plugins

Usage: jpi command [arguments] [options]

Commands:
  jpi help [COMMAND]  # get help for COMMAND, or for jpi itself
  jpi new NAME        # create a new plugin called NAME
  jpi generate        # generate code for extensions points
  jpi build           # build plugin into .hpi file suitable for distribution
  jpi server          # run a test server with plugin
  jpi version         # show jpi version information

The first thing you'll probably want to do is create a new ruby plugin.

$ jpi new one-great-plugin
      create  one-great-plugin/Gemfile
      create  one-great-plugin/one-great-plugin.pluginspec

This will create a minimal plugin project structure, to which you can add later. Once you have your plugin created, you can run a server with it loaded

$ cd one-great-plugin
$ jpi server

Listening for transport dt_socket at address: 8000
webroot: System.getProperty("JENKINS_HOME")
[Winstone 2011/09/19 12:01:36] - Beginning extraction from war file
[Winstone 2011/09/19 12:01:37] - HTTP Listener started: port=8080
[Winstone 2011/09/19 12:01:37] - AJP13 Listener started: port=8009
[Winstone 2011/09/19 12:01:37] - Winstone Servlet Engine v0.9.10 running: controlPort=disabled
Sep 19, 2011 12:01:37 PM jenkins.model.Jenkins$6 onAttained
INFO: Started initialization
Sep 19, 2011 12:01:38 PM hudson.PluginManager$1$3$1 isDuplicate
Sep 19, 2011 12:01:39 PM jenkins.model.Jenkins$6 onAttained
INFO: Listed all plugins
Sep 19, 2011 12:01:39 PM ruby.RubyRuntimePlugin start
INFO: Injecting JRuby into XStream
Sep 19, 2011 12:01:49 PM jenkins.model.Jenkins$6 onAttained
INFO: Prepared all plugins
Sep 19, 2011 12:01:49 PM jenkins.model.Jenkins$6 onAttained
INFO: Started all plugins
Sep 19, 2011 12:01:49 PM jenkins.model.Jenkins$6 onAttained
INFO: Augmented all extensions
Sep 19, 2011 12:01:49 PM jenkins.model.Jenkins$6 onAttained
INFO: Loaded all jobs
Sep 19, 2011 12:01:51 PM jenkins.model.Jenkins$6 onAttained
INFO: Completed initialization
Sep 19, 2011 12:01:51 PM hudson.TcpSlaveAgentListener <init>
INFO: JNLP slave agent listener started on TCP port 52262
Sep 19, 2011 12:02:01 PM hudson.WebAppMain$2 run
INFO: Jenkins is fully up and running

Of course, this plugin isn't actually doing anything because we haven't defined any extension points. Let's go ahead and create one of the most common extension points: a Builder

$ jpi generate builder logging
TODO: implement generators
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