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# Groovy Scripts for Jenkins

You can evaluate groovy scripts in the Jenkins _Script Console_.

There are several plugins which can be _programmed_ with Groovy:

* [Groovy plugin](https://wiki.jenkins-ci.org/display/JENKINS/Groovy+plugin)

* [Dynamic Parameter Plug-in](https://wiki.jenkins-ci.org/display/JENKINS/Jenkins+Dynamic+Parameter+Plug-in)

* [Groovy Postbuild Plugin](https://wiki.jenkins-ci.org/display/JENKINS/Groovy+Postbuild+Plugin)

* [Groovy Remote Control](http://groovy.codehaus.org/modules/remote/)

* [Scriptler plugin](https://wiki.jenkins-ci.org/display/JENKINS/Scriptler+Plugin)

----

The most up to date scripts are found in the jenkins scriptler folders

* http://160.45.63.176/jenkins/scriptler/ git: http://160.45.63.176/jenkins/scriptler.git 

----

### Get all versions of an artifact from a maven repository

~~~

def metadata = new XmlSlurper().parse("http://wp5.e-taxonomy.eu/mavenrepo/eu/etaxonomy/cdm-server/maven-metadata.xml")

metadata.versioning.versions.version.each{

	  println "> " + it

}

~~~

doc:

* http://groovy.codehaus.org/api/groovy/util/XmlSlurper.html

* http://www.ibm.com/developerworks/java/library/j-pg05199/

the same for the **Dynamic Parameter Plug-in** which is very nice in conjunction with the *[Repository Connector Plugin](https://wiki.jenkins-ci.org/display/JENKINS/Repository+Connector+Plugin) 

~~~

def metadata = new XmlSlurper().parse("http://wp5.e-taxonomy.eu/mavenrepo/eu/etaxonomy/cdm-server/maven-metadata.xml")

def list = []

metadata.versioning.versions.version.each{

  list.add(it)

}

return return list.reverse(true)

~~~

### list datasource bean names in datasources.xml

~~~

/**

 * define the instances to excluded from the axix:

 */

def excludes = ['col', 'vibrant_index']

// list datasource bean names in datasources.xml

def beans = new XmlParser().parse("/etc/cdmserver/datasources.xml")

def instances = []

beans.bean.findAll{it.attribute("class") == "com.mchange.v2.c3p0.ComboPooledDataSource"}.each{  

    if (! excludes.contains(it.attribute("id"))) {

        instances += it.attribute("id")

    }

}

return  instances

~~~

### find last bean in datasources.xml

~~~

// find last bean in datasources.xml

def beans = new XmlParser().parse("/etc/cdmserver/datasources.xml")

def lastBean = null

beans.bean.findAll{it.attribute("class") == "com.mchange.v2.c3p0.ComboPooledDataSource"}.each{  

    lastBean = it

}

println lastBean

~~~

### monitor cdm server until all instances are started up

~~~

import groovy.json.JsonSlurper

import groovy.time.TimeCategory

// Configuration

def cdmserverUrl = "http://test.e-taxonomy.eu/cdmserver/"

def usr = "xxx"

def pwd = "yyy"

def timeout = 1 // minutes

// init

def timeOver

use(TimeCategory) {

  timeOver = timeout.minutes.from.now

}

def addr = cdmserverUrl + 'manage/BootloaderService.jsp'

def authString = "${usr}:${pwd}".getBytes().encodeBase64().toString()

def instances = null

def lastInstance = null

def allInstancesUp = false

def message = "Timeout"

// monitor the cdmserver until the last instance is up or until the time is over

while (new Date() < timeOver) {

  def conn = addr.toURL().openConnection()

  conn.setRequestProperty( "Authorization", "Basic ${authString}" )

  if( conn.responseCode == 200 ) {

    instances = new JsonSlurper().parseText( conn.content.text )

    lastInstance = instances.pop()

    println lastInstance.configuration.instanceName + ": " + lastInstance.status

    if(lastInstance.status == "started") {

      message "OK"

      allInstancesUp = true

      break

    }

  } else {

    message "Error on requesting for status information${conn.responseCode}: ${conn.responseMessage}"

  }

  println new Date()

  sleep(10000) // milliseconds

}

println message

return allInstancesUp

~~~

### execute other scriptler script

#### by using eval()

~~~

// prepare variables for subscript and evaluate it:

String subscript = "cdmserver-monitor-instance-status.groovy";

println "executing subscript ${subscript}"

// variables to be passed to the subscript must not be bound to the current scope, so no def or String here

status = (action == "start" ? "started" : "stopped")

def s = ScriptlerConfiguration.getConfiguration().getScriptById(subscript)

File scriptSrc = new File(ScriptlerManagment.getScriptDirectory(), s.getScriptPath());

~~~

#### by GroovyScript 

see [org.jenkinsci.plugins.scriptler.util.ScriptHelper](https://github.com/jenkinsci/scriptler-plugin/search?q=ScriptHelper&ref=cmdform)

~~~

MasterComputer.localChannel.call(new GroovyScript(scriptTxt, parameters, false, new StreamTaskListener(sos)));

~~~