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build-helpers.groovy
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build-helpers.groovy
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import jenkins.model.*
import hudson.model.*
import hudson.slaves.*
def checkoutSCM(URL, COMMIT) {
checkout(
changelog: false,
poll: false,
scm: [
$class: 'GitSCM',
branches: [[name: COMMIT]],
doGenerateSubmoduleConfigurations: false,
extensions: [
[$class: 'CheckoutOption', timeout: 30],
[$class: 'CloneOption', depth: 0, noTags: true, reference: '', shallow: false, timeout: 60, honorRefspec: true],
],
submoduleCfg: [],
userRemoteConfigs: [[credentialsId: '0aededfc-f41d-40bd-9a63-dd4524adb7b6', url: URL]]
]
)
}
@NonCPS
def createNode(nodeId, jenkinsFolderPath) {
def launcher = new JNLPLauncher()
def node = new DumbSlave(
nodeId,
jenkinsFolderPath,
launcher
)
Jenkins.instance.addNode(node)
}
@NonCPS
def removeNode(nodeId) {
def allNodes = Jenkins.getInstance().getNodes()
for (int i =0; i < allNodes.size(); i++) {
Slave node = allNodes[i]
if (node.name.toString() == nodeId) {
Jenkins.getInstance().removeNode(node)
return
}
}
}
@NonCPS
def getNodeSecret(nodeId) {
return jenkins.slaves.JnlpSlaveAgentProtocol.SLAVE_SECRET.mac(nodeId)
}
@NonCPS
def setNodeLabel(nodeId, label) {
def allNodes = Jenkins.getInstance().getNodes()
for (int i =0; i < allNodes.size(); i++) {
Slave node = allNodes[i]
if (node.name.toString() == nodeId) {
node.setLabelString(label)
return
}
}
}
def withDocker(String imageName, String jenkinsFolderPath, Closure body) {
def nodeId = "${env.BUILD_TAG}"
def error
// Prepare image
try {
// authorize docker deamon to access registry
sh "`aws ecr get-login --region=$AWS_REGION`"
docker.withRegistry(DOCKER_REGISTRY_URL) {
def image = docker.image(imageName)
image.pull()
imageName = image.imageName()
}
} catch (e) {
// local registry does not require auth
}
// Create Jenkins node
try {
createNode(nodeId, jenkinsFolderPath)
} catch(e) {
echo "Could not create slave for Docker"
}
try {
def nodeSecret = getNodeSecret(nodeId)
// Start agent
docker.image(imageName).inside() {
sh """
rm -f slave.jar
# TODO: move to docker image
sudo apt-get install openjdk-7-jre -y
wget $JENKINS_URL/jnlpJars/slave.jar
nohup java -jar slave.jar -jnlpUrl ${env.JENKINS_URL}/computer/$nodeId/slave-agent.jnlp -secret $nodeSecret &
"""
// Run the closure
body(nodeId)
}
} catch (e) {
error = e
} finally {
removeNode(nodeId)
if (error) {
throw error
}
}
}
def withVagrant(String vagrantFilePath, String jenkinsFolderPath, Integer cpu, Integer memory, Integer vnc_port, Boolean rebuild, Closure body) {
def nodeId = "${env.BUILD_TAG}"
createNode(nodeId, jenkinsFolderPath)
try {
def nodeSecret = getNodeSecret(nodeId)
withEnv([
"VAGRANT_VAGRANTFILE=${vagrantFilePath}",
"NODE_CPU_COUNT=${cpu}",
"NODE_MEMORY=${memory}",
"NODE_VNC_PORT=${vnc_port}",
"NODE_SECRET=${nodeSecret}",
"NODE_ID=${nodeId}",
]) {
sh 'vagrant halt --force'
if (rebuild) {
sh 'vagrant destroy --force'
}
sh 'vagrant up'
}
body(nodeId)
} finally {
removeNode(nodeId)
withEnv(["VAGRANT_VAGRANTFILE=${vagrantFilePath}"]) {
sh 'vagrant halt --force'
}
}
}
@NonCPS
def hasNewerQueuedJobs() {
def queue = jenkins.model.Jenkins.getInstance().getQueue().getItems()
for (int i=0; i < queue.length; i++) {
if (queue[i].task.getName() == env.JOB_NAME ) {
return true
}
}
return false
}
@NonCPS
def getIdleSlave(label) {
for (slave in Hudson.instance.slaves) {
if (slave.getLabelString().contains(label)) {
if (!slave.getComputer().isOffline()) {
if (slave.getComputer().countBusy() == 0) {
return slave.name
}
}
}
}
return false
}
@NonCPS
def getEC2Slave(String label, String jenkinsFolderPath) {
def result = [:]
def nodeId = getIdleSlave(label)
if (nodeId) {
result['created'] = false
} else {
// This is a new slave, so we need to bootstrap it
nodeId = "browser-f-${env.JOB_BASE_NAME}"
try {
createNode(nodeId, jenkinsFolderPath)
setNodeLabel(nodeId, label)
result['created'] = true
} catch (e) {
throw e
}
}
result['nodeId'] = nodeId.toString()
result['secret'] = getNodeSecret(nodeId)
return result
}
return this