jenkins parallel build agent

gistfile1.txt

// Job == agent-build_pipeline
// build agent for linux/windows
currentBuild.description = env.TAG
def WORKER='worker-large'
def OS = [ 'redhat', 'debian' ]
def ARCH = [ '64' ]
def pipeline_branches = [:]
def JB='./jenkins/build'
def jbuild = { sh "bash ${JB}/build.sh" }
def provision = { sh "bash ${JB}/provision.sh" }
def sign = { sh "bash ${JB}/sign.sh" }
def cleanup = { sh "bash ${JB}/cleanup.sh" }
switch ( env.TAG ) {
    case ~ /.*windows.*/ :
        WORKER='worker-windows'
        OS = ['windows']
        ARCH = [ '64' ]
        jbuild = {}
        provision = { bat "${JB}/provision.bat" }
        sign = {}
        cleanup = {}
        break
}
for ( os in OS )
    for ( arch in ARCH )
        pipeline_branches["${os}-${arch}"] = build_agent(os, arch, env.TAG,
                                                         jbuild, provision, sign,
                                                         cleanup, WORKER)
parallel pipeline_branches
def build_agent(os, arch, tag, jbuild, provision, sign, cleanup, worker) {
    return {
        node(worker) {
            withEnv(["TAG=${tag}",
                     "OS=${os}",
                     "ARCH=${arch}"
            ]) {
                stage("${os}-${arch}-checkout") {
                    checkout scm
                }
                stage("${os}-${arch}-cleanup") {
                    cleanup()
                }
                stage("${os}-${arch}-build") {
                    jbuild()
                }
                stage("${os}-${arch}-provision") {
                    provision()
                }
                stage("${os}-${arch}-sign") {
                    sign()
                }
            }
        }
    }
}