JenkinsJobDslCleanupLockableResources.groovy

def myFolder = "JobDSL"
def myJob    = 'maintenance-LockableResourceGC'
def mailTo   = 'me@company.com' // Whitespace-separated list of recipient addresses

pipelineJob("${myFolder}/${myJob}") {
    description("""Cleanup lockable resources on a scheduled basis\n""" + generatedByString())
    logRotator { numToKeep(10) }
    concurrentBuild(false)
    // TRIGGERS ------------------------
    triggers {
        cron('0 3 * * *')
    }
    // WRAPPERS ------------------------
    wrappers {
        timestamps()
    }
    // DEFINITION ----------------------
    definition {
        cps {
            script('''
try {
    def res = GlobalConfiguration.all().get(org.jenkins.plugins.lockableresources.LockableResourcesManager.class).resources
    def unlocked = res.findAll { it -> !it.locked }
    println "Will remove ${unlocked.size()} lockable resources"
    res.retainAll {it -> it.locked}
} catch (Throwable e) {
    echo 'Error mgmt: Do notifications ...'
    try {
        mail to: "${mailTo}",
             subject: "Build ${env.BUILD_DISPLAY_NAME} of ${env.JOB_NAME} failed", 
             body: "Build ${env.BUILD_DISPLAY_NAME} of ${env.JOB_NAME} failed\nbuild: ${env.BUILD_URL}"
    } catch (Throwable err) {
        echo 'ERROR: mail failure: ' + err.getMessage()
    }
    throw e
}
''')
        }
    }
}

queue("${myFolder}/${myJob}")


def generatedByString() {
    "<p>Generated by <a\n\
    href='${JOB_URL}'\n\
>${JOB_NAME}</a>.\n\
<b>Do not modify manually!</b></p>"
}