Sample Groovy script for Jenkins cloud nodes configuration

agents.groovy

import hudson.plugins.sshslaves.SSHConnector
import hudson.plugins.sshslaves.verifiers.NonVerifyingKeyVerificationStrategy
import hudson.model.*
import com.amazon.jenkins.ec2fleet.FleetCloud
import jenkins.model.Jenkins

configs = [[
                   name                      : "jenkins-agent-1",
                   region                    : "us-east-1",
                   asgName                   : "asg-1",
                   label                     : "fleet-1",
                   fsRoot                    : "/tmp/jenkins-home",
                   sshCredId                 : "my-ssh-credential-id",
                   privateIpUsed             : true,
                   alwaysReconnect           : true,
                   idleMinutes               : 20,
                   minSize                   : 0,
                   maxSize                   : 50,
                   minSpareSize              : 0,
                   numExecutors              : 1,
                   restrictUsage             : false,
                   maxTotalUses              : "-1",
                   disableTaskResubmit       : false,
                   initOnlineTimeoutSec      : 180,
                   initOnlineCheckIntervalSec: 15,
                   scaleExecutorsByWeight    : false,
                   cloudStatusIntervalSec    : 30,
           ], [
                   name                      : "jenkins-agent-2",
                   region                    : "us-east-1",
                   asgName                   : "asg-2",
                   label                     : "fleet-2",
                   fsRoot                    : "/tmp/jenkins-home",
                   sshCredId                 : "my-ssh-credential-id",
                   privateIpUsed             : true,
                   alwaysReconnect           : true,
                   idleMinutes               : 20,
                   minSize                   : 0,
                   maxSize                   : 10,
                   minSpareSize              : 0,
                   numExecutors              : 1,
                   restrictUsage             : true,
                   maxTotalUses              : "1",
                   disableTaskResubmit       : false,
                   initOnlineTimeoutSec      : 180,
                   initOnlineCheckIntervalSec: 15,
                   scaleExecutorsByWeight    : false,
                   cloudStatusIntervalSec    : 10,
           ]
]

// get Jenkins instance
Jenkins jenkins = Jenkins.get()

configs.each {
    config ->
        FleetCloud fleetCloud = new FleetCloud(
                config.name, // fleetCloudName
                null, // awsCredentialsId deprecated
                null, //  credentialsId
                config.region, // aws region
                "", // aws endpoint
                config.asgName,  // fleet id or asg name
                config.label,  // labels
                config.fsRoot, // fs root or jenkins home
                new SSHConnector(22,
                        config.sshCredId, "", "", "", "", null, 0, 0,
                        new NonVerifyingKeyVerificationStrategy()), // ssh connection information
                config.privateIpUsed, // if need to use privateIpUsed
                config.alwaysReconnect, // if need alwaysReconnect
                config.idleMinutes, // if need to allow downscale set > 0 in min
                config.minSize, // minSize
                config.maxSize, // maxSize
                config.minSpareSize, // minSpareSize
                config.numExecutors, // numExecutors
                false, // addNodeOnlyIfRunning
                config.restrictUsage, // restrictUsage allow execute only jobs with proper label
                config.maxTotalUses, // maxTotalUses Maximum Total Uses (-1 for unlimited)
                config.disableTaskResubmit, // disableTaskResubmit if false plugin will resubmit the job if it failed due an instance termination.
                config.initOnlineTimeoutSec,  // initOnlineTimeoutSec Maximum Init Connection Timeout in sec
                config.initOnlineCheckIntervalSec, // initOnlineCheckIntervalSec
                config.scaleExecutorsByWeight, // scaleExecutorsByWeight
                config.cloudStatusIntervalSec,// cloudStatusIntervalSec Cloud Status Interval in sec
                true // noDelayProvision
        )

        // add cloud configuration to Jenkins
        jenkins.clouds.add(fleetCloud)
        // save current Jenkins state to disk
        jenkins.save()
}

jenkins.clouds.each {
    println(it.name)
}