Pipeline Examples

// This shows a simple build wrapper example, using the AnsiColor plugin.
node {
    // This displays colors using the 'xterm' ansi color map.
    ansiColor('xterm') {
        // Just some echoes to show the ANSI color.
        stage "\u001B[31mI'm Red\u001B[0m Now not"
    }
}

// This shows a simple example of how to archive the build output artifacts.
node {
    stage "Create build output"
    
    // Make the output directory.
    sh "mkdir -p output"

    // Write an useful file, which is needed to be archived.
    writeFile file: "output/usefulfile.txt", text: "This file is useful, need to archive it."

    // Write an useless file, which is not needed to be archived.
    writeFile file: "output/uselessfile.md", text: "This file is useless, no need to archive it."

    stage "Archive build output"
    
    // Archive the build output artifacts.
    archiveArtifacts artifacts: 'output/*.txt', excludes: 'output/*.md'
}

node {
    git url: 'https://github.com/jfrogdev/project-examples.git'

    // Get Artifactory server instance, defined in the Artifactory Plugin administration page.
    def server = Artifactory.server "SERVER_ID"

    // Read the upload spec and upload files to Artifactory.
    def downloadSpec =
            '''{
            "files": [
                {
                    "pattern": "libs-snapshot-local/*.zip",
                    "target": "dependencies/",
                    "props": "p1=v1;p2=v2"
                }
            ]
        }'''

    def buildInfo1 = server.download spec: downloadSpec

    // Read the upload spec which was downloaded from github.
    def uploadSpec =
            '''{
            "files": [
                {
                    "pattern": "resources/Kermit.*",
                    "target": "libs-snapshot-local",
                    "props": "p1=v1;p2=v2"
                },
                {
                    "pattern": "resources/Frogger.*",
                    "target": "libs-snapshot-local"
                }
            ]
        }'''

    // Upload to Artifactory.
    def buildInfo2 = server.upload spec: uploadSpec

    // Merge the upload and download build-info objects.
    buildInfo1.append buildInfo2

    // Publish the build to Artifactory
    server.publishBuildInfo buildInfo1
}

node {
    // Get Artifactory server instance, defined in the Artifactory Plugin administration page.
    def server = Artifactory.server "SERVER_ID"
    // Create an Artifactory Gradle instance.
    def rtGradle = Artifactory.newGradleBuild()
    def buildInfo

    stage('Clone sources') {
        git url: 'https://github.com/jfrogdev/project-examples.git'
    }

    stage('Artifactory configuration') {
        // Tool name from Jenkins configuration
        rtGradle.tool = "Gradle-2.4"
        // Set Artifactory repositories for dependencies resolution and artifacts deployment.
        rtGradle.deployer repo:'ext-release-local', server: server
        rtGradle.resolver repo:'remote-repos', server: server
    }

    stage('Gradle build') {
        buildInfo = rtGradle.run rootDir: "gradle-examples/4/gradle-example-ci-server/", buildFile: 'build.gradle', tasks: 'clean artifactoryPublish'
    }

    stage('Publish build info') {
        server.publishBuildInfo buildInfo
    }
}

node {
    // Get Artifactory server instance, defined in the Artifactory Plugin administration page.
    def server = Artifactory.server "SERVER_ID"
    // Create an Artifactory Maven instance.
    def rtMaven = Artifactory.newMavenBuild()
    def buildInfo

    stage('Clone sources') {
        git url: 'https://github.com/jfrogdev/project-examples.git'
    }

    stage('Artifactory configuration') {
        // Tool name from Jenkins configuration
        rtMaven.tool = "Maven-3.3.9"
        // Set Artifactory repositories for dependencies resolution and artifacts deployment.
        rtMaven.deployer releaseRepo:'libs-release-local', snapshotRepo:'libs-snapshot-local', server: server
        rtMaven.resolver releaseRepo:'libs-release', snapshotRepo:'libs-snapshot', server: server
    }

    stage('Maven build') {
        buildInfo = rtMaven.run pom: 'maven-example/pom.xml', goals: 'clean install'
    }

    stage('Publish build info') {
        server.publishBuildInfo buildInfo
    }
}

#!groovy

node {
    stage('configFile Plugin') {

        // 'ID' refers to alpha-numeric value generated automatically by Jenkins.
        // This code snippet assumes that the config file is stored in Jenkins.

        // help to assign the ID of config file to a variable, this is optional 
        // as ID can be used directly within 'configFileProvider' step too.
        def mycfg_file = '<substitute-alpha-numeric-value-cfgfille-here-within-quotes>'

        // whether referencing the config file as ID (directly) or via user-defined 
        // variable, 'configFileProvider' step enables access to the config file
        // via 'name' given for the field, 'variable:'
        configFileProvider([configFile(fileId: mycfg_file, variable: 'PACKER_OPTIONS')]) {
            echo " =========== ^^^^^^^^^^^^ Reading config from pipeline script "
            sh "cat ${env.PACKER_OPTIONS}"
            echo " =========== ~~~~~~~~~~~~ ============ "
 
            // Access to config file opens up other possibilities like
            // passing on the configuration to an external script for other tasks, like,
            // for example, to set generic options that can be used for generating 
            // binary images using packer.
            echo " =========== ^^^^^^^^^^^^ Reading config via Python... "
            sh "python build_image.py ${env.PACKER_OPTIONS}"
            echo " =========== ~~~~~~~~~~~~ ============ "
        }
    }
}

// allocate a Disk from the Disk Pool defined in the Jenkins global config
def extWorkspace = exwsAllocate 'diskpool1'

// on a node labeled 'linux', perform code checkout and build the project
node('linux') {
    // compute complete workspace path, from current node to the allocated disk
    exws(extWorkspace) {
        // checkout code from repo
        checkout scm
        // build project, but skip running tests
        sh 'mvn clean install -DskipTests'
    }
}

// on a different node, labeled 'test', perform testing using the same workspace as previously
// at the end, if the build have passed, delete the workspace
node('test') {
    // compute complete workspace path, from current node to the allocated disk
    exws(extWorkspace) {
        try {
            // run tests in the same workspace that the project was built
            sh 'mvn test'
        } catch (e) {
            // if any exception occurs, mark the build as failed
            currentBuild.result = 'FAILURE'
            throw e
        } finally {
            // perform workspace cleanup only if the build have passed
            // if the build has failed, the workspace will be kept
            cleanWs cleanWhenFailure: false
        }
    }
}

// As of Pipeline Supporting APIs v2.22, there is a whitelisted API to access
// build causes as JSON that is available inside of the Pipeline Sandbox.

// Get all Causes for the current build
def causes = currentBuild.getBuildCauses()

// Get a specific Cause type (in this case the user who kicked off the build),
// if present.
def specificCause = currentBuild.getBuildCauses('hudson.model.Cause$UserIdCause')

// The JSON data is created by calling methods annotated with `@Exported` for
// each Cause type. See the Javadoc for specific Cause types to check exactly
// what data will be available.
// For example, for a build triggered manually by a specific user, the resulting
// JSON would be something like the following:
//
// [
//  { 
//    "_class\": "hudson.model.Cause$UserIdCause",
//    "shortDescription": "Started by user anonymous",
//    "userId": "tester",
//    "userName": "anonymous"
//  }
// ]
// cf. https://javadoc.jenkins-ci.org/hudson/model/Cause.UserIdCause.html

// These should all be performed at the point where you've
// checked out your sources on the agent. A 'git' executable
// must be available.
// Most typical, if you're not cloning into a sub directory
shortCommit = sh(returnStdout: true, script: "git log -n 1 --pretty=format:'%h'").trim()

// This should be performed at the point where you've
// checked out your sources on the agent. A 'git' executable
// must be available.
// Most typical, if you're not cloning into a sub directory
// and invoke this in the context of a directory with .git/
// Along with SHA-1 id of the commit, it will be useful to retrieve changeset associated with that commit
// This command results in output indicating several one of these and the affected files:
// Added (A), Copied (C), Deleted (D), Modified (M), Renamed (R)
commitChangeset = sh(returnStdout: true, script: 'git diff-tree --no-commit-id --name-status -r HEAD').trim()

stage "notify"

//
// Modify the channel, message etc as needed.
// Some IRC servers require authentication. 
// This specific example does not with the current settings on freenode.
//
node {
    
    sh ''' 
        MSG='This is the message here'
        SERVER=irc.freenode.net
        CHANNEL=#mictest
        USER=mic2234test
    
        (
        echo NICK $USER
        echo USER $USER 8 * : $USER
        sleep 1
        #echo PASS $USER:$MYPASSWORD                                                                                                                                                       
        echo "JOIN $CHANNEL"
        echo "PRIVMSG $CHANNEL" :$MSG
        echo QUIT
        ) | nc $SERVER 6667
        
    '''
    
}

// in this array we'll place the jobs that we wish to run
def branches = [:]

//running the job 4 times concurrently
//the dummy parameter is for preventing mutation of the parameter before the execution of the closure.
//we have to assign it outside the closure or it will run the job multiple times with the same parameter "4"
//and jenkins will unite them into a single run of the job

for (int i = 0; i < 4; i++) {
  def index = i //if we tried to use i below, it would equal 4 in each job execution.
  branches["branch${i}"] = {
//Parameters:
//param1 : an example string parameter for the triggered job.
//dummy: a parameter used to prevent triggering the job with the same parameters value.
//       this parameter has to accept a different value each time the job is triggered.
    build job: 'freestyle', parameters: [
      string(name: 'param1', value:'test_param'),
      string(name:'dummy', value: "${index}")]
  }
}
parallel branches

#!groovy
/*
   Instead of duplicating a lot of build related code in each repo include the common one from this file using the command below:

   Don't forget to put configure GITHUB_TOKEN inside Jenkins as it is a very bad idea to include it inside your code.
*/

apply from: 'https://raw.githubusercontent.com/org-name/repo-name/master/subfolder/Jenkinsfile?token=${env.GITHUB_TOKEN}'

// If there's a call method, you can just load the file, say, as "foo", and then invoke that call method with foo(...) 
def call(String whoAreYou) {
    echo "Now we're being called more magically, ${whoAreYou}, thanks to the call(...) method."
}

return this;

// Methods in this file will end up as object methods on the object that load returns.
def lookAtThis(String whoAreYou) {
    echo "Look at this, ${whoAreYou}! You loaded this from another file!"
}

return this;

node {
    // Load the file 'externalMethod.groovy' from the current directory, into a variable called "externalMethod".
    def externalMethod = load("externalMethod.groovy")

    // Call the method we defined in externalMethod.
    externalMethod.lookAtThis("Steve")

    // Now load 'externalCall.groovy'.
    def externalCall = load("externalCall.groovy")

    // We can just run it with "externalCall(...)" since it has a call method.
    externalCall("Steve")
}

// Advice: don't define M2_HOME in general. Maven will autodetect its root fine.
withEnv(["JAVA_HOME=${ tool 'jdk-1.8.0_64bits' }", "PATH+MAVEN=${tool 'maven-3.2.1'}/bin:${env.JAVA_HOME}/bin"]) {

    // Apache Maven related side notes:
    // --batch-mode : recommended in CI to inform maven to not run in interactive mode (less logs)
    // -V : strongly recommended in CI, will display the JDK and Maven versions in use.
    //      Very useful to be quickly sure the selected versions were the ones you think.
    // -U : force maven to update snapshots each time (default : once an hour, makes no sense in CI).
    // -Dsurefire.useFile=false : useful in CI. Displays test errors in the logs directly (instead of
    //                            having to crawl the workspace files to see the cause).
    sh "mvn --batch-mode -V -U -e clean deploy -Dsurefire.useFile=false"

}

import jenkins.model.*

// While you can't use Groovy's .collect or similar methods currently, you can
// still transform a list into a set of actual build steps to be executed in
// parallel.

def stepsForParallel = [:]

// Since this method uses grep/collect it needs to be annotated with @NonCPS
// It returns a simple string map so the workflow can be serialized
@NonCPS
def jobs(jobRegexp) {
  Jenkins.instance.getAllItems()
         .grep { it.name ==~ ~"${jobRegexp}"  }
         .collect { [ name : it.name.toString(),
                      fullName : it.fullName.toString() ] }
}

j = jobs('test-(dev|stage)-(unit|integration)')
for (int i=0; i < j.size(); i++) {
    stepsForParallel["${j[i].name}"] = transformIntoStep(j[i].fullName)
}

// Actually run the steps in parallel - parallel takes a map as an argument,
// hence the above.
parallel stepsForParallel

// Take the string and echo it.
def transformIntoStep(jobFullName) {
    // We need to wrap what we return in a Groovy closure, or else it's invoked
    // when this method is called, not when we pass it to parallel.
    // To do this, you need to wrap the code below in { }, and either return
    // that explicitly, or use { -> } syntax.
    return {
       // Job parameters can be added to this step
       build jobFullName
    }
}

// While you can't use Groovy's .collect or similar methods currently, you can
// still transform a list into a set of actual build steps to be executed in
// parallel.

// Our initial list of strings we want to echo in parallel
def stringsToEcho = ["a", "b", "c", "d"]

// The map we'll store the parallel steps in before executing them.
def stepsForParallel = stringsToEcho.collectEntries {
    ["echoing ${it}" : transformIntoStep(it)]
}

// Actually run the steps in parallel - parallel takes a map as an argument,
// hence the above.
parallel stepsForParallel

// Take the string and echo it.
def transformIntoStep(inputString) {
    // We need to wrap what we return in a Groovy closure, or else it's invoked
    // when this method is called, not when we pass it to parallel.
    // To do this, you need to wrap the code below in { }, and either return
    // that explicitly, or use { -> } syntax.
    return {
        node {
            echo inputString
        }
    }
}

def labels = ['precise', 'trusty'] // labels for Jenkins node types we will build on
def builders = [:]
for (x in labels) {
    def label = x // Need to bind the label variable before the closure - can't do 'for (label in labels)'

    // Create a map to pass in to the 'parallel' step so we can fire all the builds at once
    builders[label] = {
      node(label) {
        // build steps that should happen on all nodes go here
      }
    }
}

parallel builders

// This is currently the best way to push a tag (or a branch, etc) from a
// Pipeline job. It's not ideal - https://issues.jenkins-ci.org/browse/JENKINS-28335
// is an open JIRA for getting the GitPublisher Jenkins functionality working
// with Pipeline.

// credentialsId here is the credentials you have set up in Jenkins for pushing
// to that repository using username and password.
withCredentials([usernamePassword(credentialsId: 'git-pass-credentials-ID', passwordVariable: 'GIT_PASSWORD', usernameVariable: 'GIT_USERNAME')]) {
    sh("git tag -a some_tag -m 'Jenkins'")
    sh('git push https://${GIT_USERNAME}:${GIT_PASSWORD}@<REPO> --tags')
}

// For SSH private key authentication, try the sshagent step from the SSH Agent plugin.
sshagent (credentials: ['git-ssh-credentials-ID']) {
    sh("git tag -a some_tag -m 'Jenkins'")
    sh('git push <REPO> --tags')
}

import groovy.json.JsonOutput
// Add whichever params you think you'd most want to have
// replace the slackURL below with the hook url provided by
// slack when you configure the webhook
def notifySlack(text, channel) {
    def slackURL = 'https://hooks.slack.com/services/xxxxxxx/yyyyyyyy/zzzzzzzzzz'
    def payload = JsonOutput.toJson([text      : text,
                                     channel   : channel,
                                     username  : "jenkins",
                                     icon_emoji: ":jenkins:"])
    sh "curl -X POST --data-urlencode \'payload=${payload}\' ${slackURL}"
}

// This shows a simple build wrapper example, using the Timestamper plugin.
node {
    // Adds timestamps to the output logged by steps inside the wrapper.
    timestamps {
        // Just some echoes to show the timestamps.
        stage "First echo"
        echo "Hey, look, I'm echoing with a timestamp!"

        // A sleep to make sure we actually get a real difference!
        stage "Sleeping"
        sleep 30

        // And a final echo to show the time when we wrap up.
        stage "Second echo"
        echo "Wonder what time it is now?"
    }
}

// The script triggers PayloadJob on every node.
// It uses Node and Label Parameter plugin to pass the job name to the payload job.
// The code will require approval of several Jenkins classes in the Script Security mode
def branches = [:]
def names = nodeNames()
for (int i=0; i<names.size(); ++i) {
  def nodeName = names[i];
  // Into each branch we put the pipeline code we want to execute
  branches["node_" + nodeName] = {
    node(nodeName) {
      echo "Triggering on " + nodeName
      build job: 'PayloadJob', parameters: [
              new org.jvnet.jenkins.plugins.nodelabelparameter.NodeParameterValue
                  ("TARGET_NODE", "description", nodeName)
          ]
    }
  }
}

// Now we trigger all branches
parallel branches

// This method collects a list of Node names from the current Jenkins instance
@NonCPS
def nodeNames() {
  return jenkins.model.Jenkins.instance.nodes.collect { node -> node.name }
}

// First we'll generate a text file in a subdirectory on one node and stash it.
stage "first step on first node"

// Run on a node with the "first-node" label.
node('first-node') {
    // Make the output directory.
    sh "mkdir -p output"

    // Write a text file there.
    writeFile file: "output/somefile", text: "Hey look, some text."

    // Stash that directory and file.
    // Note that the includes could be "output/", "output/*" as below, or even
    // "output/**/*" - it all works out basically the same.
    stash name: "first-stash", includes: "output/*"
}

// Next, we'll make a new directory on a second node, and unstash the original
// into that new directory, rather than into the root of the build.
stage "second step on second node"

// Run on a node with the "second-node" label.
node('second-node') {
    // Run the unstash from within that directory!
    dir("first-stash") {
        unstash "first-stash"
    }

    // Look, no output directory under the root!
    // pwd() outputs the current directory Pipeline is running in.
    sh "ls -la ${pwd()}"

    // And look, output directory is there under first-stash!
    sh "ls -la ${pwd()}/first-stash"
}