Created
June 22, 2024 14:45
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ec2-fleet-plugin change scale overnight
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import com.amazon.jenkins.ec2fleet.EC2FleetCloud | |
def changeFleetWorkers(name, minSize, maxSize, idleMins) { | |
Jenkins jenkins = Jenkins.getInstance() | |
println "Changing worker ${name} to minSize: ${minSize}, maxSize: ${maxSize}, idleMins: ${idleMins}" | |
oldCloud = jenkins.getCloud(name) | |
oldMinSize = oldCloud.getMinSize() | |
oldMaxSize = oldCloud.getMaxSize() | |
oldIdleMins = oldCloud.getIdleMinutes() | |
println "Old settings: oldMinSize: ${oldMinSize}, oldMaxSize: ${oldMaxSize}, oldIdleMins: ${oldIdleMins}" | |
if (oldMinSize == minSize && oldMaxSize == maxSize && oldIdleMins == idleMins) { | |
println "Exitting because all settings are equal" | |
} | |
// find detailed information about parameters on plugin config page or | |
// https://github.com/jenkinsci/ec2-fleet-plugin/blob/master/src/main/java/com/amazon/jenkins/ec2fleet/EC2FleetCloud.java | |
EC2FleetCloud ec2FleetCloud = new EC2FleetCloud( | |
name, // fleetCloudName | |
oldCloud.getOldId(), // oldId | |
oldCloud.getAwsCredentialsId(), // awsCredentialsId | |
"", // credentialsId | |
oldCloud.getRegion(), // region | |
oldCloud.getEndpoint(), // endpoint | |
oldCloud.getFleet(), // fleet | |
oldCloud.getLabelString(), // labelString | |
oldCloud.getFsRoot(), // fs root | |
oldCloud.getComputerConnector(), // computerConnector | |
oldCloud.isPrivateIpUsed(), // if need to use privateIpUsed | |
oldCloud.isAlwaysReconnect(), // if need alwaysReconnect | |
idleMins, // if need to allow downscale set > 0 in min | |
minSize, // minSize | |
maxSize, // maxSize | |
0, | |
oldCloud.getNumExecutors(), // numExecutors | |
oldCloud.isAddNodeOnlyIfRunning(), // addNodeOnlyIfRunning | |
oldCloud.isRestrictUsage(), // restrictUsage allow execute only jobs with proper label | |
"-1", // maxTotalUses | |
oldCloud.isDisableTaskResubmit(), //disableTaskResubmit | |
oldCloud.getInitOnlineTimeoutSec(), //initOnlineTimeoutSec | |
oldCloud.getInitOnlineCheckIntervalSec(), //initOnlineCheckIntervalSec | |
oldCloud.isScaleExecutorsByWeight(), //scaleExecutorsByWeight | |
oldCloud.getCloudStatusIntervalSec(), //cloudStatusIntervalSec | |
oldCloud.isNoDelayProvision() //noDelayProvision | |
) | |
jenkins.clouds.remove(oldCloud) | |
// add cloud configuration to Jenkins | |
jenkins.clouds.add(ec2FleetCloud) | |
// save current Jenkins state to disk | |
jenkins.save() | |
println "Done" | |
} | |
def scaleByTime(name, busyStartHour, busyEndHour, busyMinSize, busyMaxSize, busyIdleTime, veryBusyStartHour, veryBusyEndHour, veryBusyMinSize, veryBusyMaxSize, lazyMinSize, lazyMaxSize, lazyIdleTime) { | |
Calendar date = Calendar.getInstance(); | |
def hour = date.get(Calendar.HOUR_OF_DAY); | |
def dayOfWeek = date.get(Calendar.DAY_OF_WEEK); | |
def isWeekend = false | |
println "Processing ${name}" | |
if (dayOfWeek == Calendar.SUNDAY || dayOfWeek == Calendar.SATURDAY) { | |
isWeekend = true; | |
} | |
if (!isWeekend && hour >= veryBusyStartHour && hour <= veryBusyEndHour) { | |
println "Applying VERY BUSY settings" | |
changeFleetWorkers(name, veryBusyMinSize, veryBusyMaxSize, busyIdleTime) | |
} else if (!isWeekend && hour >= busyStartHour && hour <= busyEndHour) { | |
println "Applying busy settings" | |
changeFleetWorkers(name, busyMinSize, busyMaxSize, busyIdleTime) | |
} else { | |
println "Applying lazy settings" | |
changeFleetWorkers(name, lazyMinSize, lazyMaxSize, lazyIdleTime) | |
} | |
} | |
return this |
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pipeline { | |
agent { | |
label 'jenkins-worker-master' | |
} | |
triggers { | |
cron(env.BRANCH_NAME == 'master' ? '10 * * * *' : '') | |
} | |
options { | |
timeout(time: 60, unit: 'SECONDS', activity: false) | |
buildDiscarder(logRotator(numToKeepStr: '30')) | |
} | |
stages { | |
stage('run') { | |
steps { | |
script { | |
ec2fleet = load "scale-workers/ec2fleet.groovy" | |
busyStartHour = 8 | |
busyEndHour = 21 | |
veryBusyStartHour = 13 | |
veryBusyEndHour = 18 | |
ec2fleet.scaleByTime( | |
"jenkins-fleet-light", //name | |
busyStartHour, // busyStartHour | |
busyEndHour, // busyEndHour | |
1, // busyMinSize | |
3, // busyMaxSize | |
5, // busyIdleTime | |
veryBusyStartHour, | |
veryBusyEndHour, | |
1, // veryBusyMinSize | |
3, // veryBusyMaxSize | |
0, // lazyMinSize | |
2, // lazyMaxSize | |
30 // lazyIdleTime | |
) | |
ec2fleet.scaleByTime( | |
"jenkins-fleet-heavy", //name | |
busyStartHour, // busyStartHour | |
busyEndHour, // busyEndHour | |
2, // busyMinSize | |
20, // busyMaxSize | |
15, // busyIdleTime | |
veryBusyStartHour, | |
veryBusyEndHour, | |
3, // veryBusyMinSize | |
20, // veryBusyMaxSize | |
0, // lazyMinSize | |
6, // lazyMaxSize | |
5 // lazyIdleTime | |
) | |
} | |
} | |
} | |
} | |
} |
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