Hi everyone,

I have a problem with this Jenkinsfile, which doesn't wants to build for me

#!/usr/bin/env groovy

pipeline {
  agent {
    kubernetes {
      label 'maven2'
      cloud 'openshift'
      serviceAccount 'jenkins'
      yaml """
apiVersion: v1
kind: Pod
spec:
  containers:
  - name: jnlp
    image: 
docker-registry.default.svc:5000/cicd/jenkins-slave-maven-centos7:v3.9
    imagePullPolicy: Always
    workingDir: /tmp
    args: ["${computer.jnlpmac} ${computer.name}"]
"""
        }
    }
    stages {
        stage('Check Java') {
            steps {
                sh 'java -version'
            }
        }
    }
}


With this Jenkinsfile, I get the following error 

[Pipeline] End of Pipeline
groovy.lang.MissingPropertyException: No such property: computer for class: 
groovy.lang.Binding
        at groovy.lang.Binding.getVariable(Binding.java:63)
        at 
org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onGetProperty(SandboxInterceptor.java:242)
        at org.kohsuke.groovy.sandbox.impl.Checker$6.call(Checker.java:288)
        at 
org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:292)
        at 
org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:268)
        at 
com.cloudbees.groovy.cps.sandbox.SandboxInvoker.getProperty(SandboxInvoker.java:29)
        at 
com.cloudbees.groovy.cps.impl.PropertyAccessBlock.rawGet(PropertyAccessBlock.java:20)
        at WorkflowScript.run(WorkflowScript:18)
        at 
org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.call(jar:file:/var/lib/jenkins/plugins/pipeline-model-definition/WEB-INF/lib/pipeline-model-definition.jar!/org/jenkinsci/plugins/pipeline/modeldefinition/ModelInterpreter.groovy:56)
        at WorkflowScript.run(WorkflowScript:3)
        at ___cps.transform___(Native Method)
        at 
com.cloudbees.groovy.cps.impl.PropertyishBlock$ContinuationImpl.get(PropertyishBlock.java:74)
        at 
com.cloudbees.groovy.cps.LValueBlock$GetAdapter.receive(LValueBlock.java:30)
        at 
com.cloudbees.groovy.cps.impl.PropertyishBlock$ContinuationImpl.fixName(PropertyishBlock.java:66)
        at sun.reflect.GeneratedMethodAccessor425.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72)
        at 
com.cloudbees.groovy.cps.impl.ConstantBlock.eval(ConstantBlock.java:21)
        at com.cloudbees.groovy.cps.Next.step(Next.java:83)
        at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:174)
        at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163)
        at 
org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:122)
        at 
org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:261)
        at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163)
        at 
org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$101(SandboxContinuable.java:34)
        at 
org.jenkinsci.plugins.workflow.cps.SandboxContinuable.lambda$run0$0(SandboxContinuable.java:59)
        at 
org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108)
        at 
org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:58)
        at 
org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:174)
        at 
org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:332)
        at 
org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:83)
        at 
org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:244)
        at 
org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:232)
        at 
org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:64)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:112)
        at 
jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Finished: FAILURE


If I remove this part 

args: ["${computer.jnlpmac} ${computer.name}"]


Then the Jenkinsfile gets accepted, the pod get started, but the container 
crashes because there are no arguments. It is the official 
openshift/jenkins-slave-maven-centos7:v3.9 image.
If I try scripted pipelines without the YAML format, it will work if I pass 
the args via the containertemplate syntax.

Am I doing something wrong here?

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