tizki

//return all slave labels
Jenkins.instance.labels

tizki

def comp = Jenkins.instance.getComputer(computerName)
//print all executors
comp.getExecutors()..each{
    println it
}

//kill with condition (for example executor with number == 1 
comp.getExecutors().findAll{ it.number == 1}.each{
    it.finish2()
}

tizki

import hudson.tasks.test.AbstractTestResultAction;
import hudson.tasks.junit.ClassResult;
import hudson.tasks.test.TabulatedResult;
import hudson.tasks.test.TestResult;

def jenkins = Jenkins.instance
def job = jenkins.getItem("your job")
def buildNum = 123
def bld = job.getBuildByNumber(buildNum)
//println bld.actions

tizki

//This script can be used in order to decrypt password from Jenkins' credentials.xml file
//The passwords in the file are hashed using Jenkins' key. In order to un-hash them:
// 1.Copy the required password
// 2. open Jenkins script console  http://your-jenkins/script
// 3. exectue the following code:
def ENCRYPTED_PASSWORD = "paste the password here"
println( hudson.util.Secret.decrypt("${ENCRYPTED_PASSWORD}") )

tizki

//The scripts show how to enable and disable all jobs in a Jenkins folder

def jenkins = Jenkins.getInstance()
def folder = jenkins.getItem("test-folder")
def jobs =  folder.getAllJobs()

disableJobs = jobs.each {
  
  println "Disabled: ${it.isDisabled()}"
  

tizki

//The following script will add an information badge to the build. (use with groovy post build plugin)
def gitRepo = manager.build.buildVariableResolver.resolve('GIT_REPOSITORY')
def gitBranch = manager.build.buildVariableResolver.resolve('GIT_BRANCH')
manager.addBadge("text.gif", "$gitRepo / $gitBranch") 

tizki

def jenkins = Jenkins.getInstance()
def jobList = ["job1", "job2", "job3"]

//time frame is for example, you should choose a  start build and an end build and take their timestamps
long startFrameTime = 1475758795672L 
long endFrameTime = 1475779098244L

jobList.each{ jobName ->
  def job = jenkins.getItem(jobName)
  def bld = job.getBuilds().byTimestamp(startFrameTime,endFrameTime)

tizki

/* This script prints all labels of each unix slave */
def jenkins = Jenkins.getInstance()
def nodes = jenkins.getNodes()
def unixNodes = nodes.findAll{ it.getComputer().isUnix()}

 unixNodes.each{
 println it.getLabelString()
}

tizki

/* This scripts shows how to get and print basic information about a specific build */
def jenkins = Jenkins.getInstance()
def jobName = "myJob"
int buildNumber = 186
def job = jenkins.getItem(jobName)
//get the build
def bld = job.getBuildByNumber(buildNumber)

//print some of the builds info
println "Build type: ${bld.getClass()}"

tizki

/* This script prints builds by their result */
def jenkins = Jenkins.getInstance()
def jobName = "myJob"
def job = jenkins.getItem(jobName)

results = ["SUCCESS","UNSTABLE","FAILURE","ABORTED"]
def builfdByResult = { result -> job.getBuilds().findAll{ it.getResult().toString() == result} }
results.each { res ->
  println "Builds ended with result ${res}"
  println builfdByResult(res)