fixed-parallel.groovy

def echoAndStash(index, openshiftMap) {
    echo "$index == $openshiftMap"
    openshiftMap.each { project ->

        sh """
            echo "hello${project}" >> batch${index}.tmp
        """
    }

    def batchName = "batch${index}"
    stash includes: '*.tmp', name: "$batchName"
}

node('maven') {
    stage('stepsForParallel') {
        script {
            def openshiftMap = [0, 1, 2, 3]
            def openshiftMapSplit = openshiftMap.collate(2)

            echo "openshiftMapSplit = $openshiftMapSplit"

            parallel (
                'batch0': { 
                    node('maven') {
                        stage('batch0') {
                            echoAndStash(0, openshiftMapSplit[0])
                        }
                    }
                },
                'batch1': { 
                    node('maven') {
                        stage('batch1') {
                            echoAndStash(1, openshiftMapSplit[1])
                        }
                    }
                }
            )

            dir("dashboards") {
                unstash 'batch0'
                unstash 'batch1'

                sh "cat batch0.tmp"
                sh "cat batch1.tmp"
            }
        }
    }
}