Jenkinsfile variable used in two separate stages

Question

I have a pipeline job that uses two separate nodes (one for build, one for test), and I'd like to share a variable between two of these blocks of code in my Jenkinsfile. I assume it's possible, but I'm very new to groovy and the jenkinsfile concept. Here is the relevant code so far:

node('build') {

    stage('Checkout') {

        checkout scm

    }

    stage('Build') {

        bat(script: 'build')

        def rev = readFile('result')

    }

}



node('test') {

    stage('Test') {

            def SDK_VERSION = "5.0.0001.${rev}"

            bat "test.cmd ${env.BUILD_URL} ${SDK_VERSION}"

            archiveArtifacts artifacts: 'artifacts/**/*.xml'

            junit 'artifacts/**/*.xml'

       }

}

I want to assign the "rev" variable in the build stage, but then concatenate it to the SDK_VERSION variable in the Test stage. My error is:

groovy.lang.MissingPropertyException: No such property: rev for class: groovy.lang.Binding

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Answer 1

Just define the variable before your node block:

def rev = ''
node('build') {
  stage('Checkout') {
    checkout scm
  }
  stage('Build') {
    bat(script: 'build')
    rev = readFile('result')
  }
}

Jenkinsfile variable used in two separate stages

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