Lockable Resource Plugin
Lockable Resources Manager
Lockable Resources
resource: testing1-repository, labels:testing-repository
resource: testing2-repository, labels:testing-repository
resource: testing3-repository, labels:testing-repository
Configured these 3 resources in Jenkins. Different resource name and same
label on all three resources.
Pipeline script:
def stepsForParallel = [:]
stepsForParallel["nodeName1"] = transformIntoStep("nodeName1")
stepsForParallel["nodeName2"] = transformIntoStep("nodeName2")
stepsForParallel["nodeName3"] = transformIntoStep("nodeName3")
stepsForParallel["nodeName4"] = transformIntoStep("nodeName4")
parallel stepsForParallel
def transformIntoStep(nodeName) {
return {
node("master") {
if (nodeName.equals("nodeName4")) {
lock(label: "testing-repository") {
println "Testing lock label"
sleep 20
}
} else {
sleep 5 /* to make sure nodeName4 aquires its lock first. */
if (nodeName.equals("nodeName1")) {
lock(resource: 'testing1-repository') {
println "Testing lock resource"
sleep 10
}
}
if (nodeName.equals("nodeName2")) {
lock(resource: 'testing2-repository') {
println "Testing lock resource"
sleep 10
}
}
if (nodeName.equals("nodeName3")) {
lock(resource: 'testing3-repository') {
println "Testing lock resource"
sleep 10
}
}
}
}
}
}
[Pipeline] parallel
[Pipeline] [nodeName1] { (Branch: nodeName1)
[Pipeline] [nodeName2] { (Branch: nodeName2)
[Pipeline] [nodeName3] { (Branch: nodeName3)
[Pipeline] [nodeName4] { (Branch: nodeName4)
[Pipeline] [nodeName1] node
[nodeName1] Running on Jenkins in /var/lib/jenkins/workspace/pipeline-test
[Pipeline] [nodeName2] node
[nodeName2] Running on Jenkins in /var/lib/jenkins/workspace/pipeline-test@2
[Pipeline] [nodeName3] node
[nodeName3] Running on Jenkins in /var/lib/jenkins/workspace/pipeline-test@3
[Pipeline] [nodeName4] node
[Pipeline] [nodeName1] {
[Pipeline] [nodeName2] {
[Pipeline] [nodeName3] {
[nodeName4] Running on Jenkins in /var/lib/jenkins/workspace/pipeline-test@4
[Pipeline] [nodeName1] sleep
[nodeName1] Sleeping for 5 sec
[Pipeline] [nodeName2] sleep
[nodeName2] Sleeping for 5 sec
[Pipeline] [nodeName3] sleep
[nodeName3] Sleeping for 5 sec
[Pipeline] [nodeName4] {
[Pipeline] [nodeName4] lock
[nodeName4] Trying to acquire lock on [Label: testing-repository]
[nodeName4] Lock acquired on [Label: testing-repository]
[Pipeline] [nodeName4] {
[Pipeline] [nodeName4] echo
[nodeName4] Testing lock label
[Pipeline] [nodeName4] sleep
[nodeName4] Sleeping for 20 sec
[Pipeline] [nodeName1] lock
[nodeName1] Trying to acquire lock on [testing1-repository]
[nodeName1] Found 0 available resource(s). Waiting for correct amount: 1.
[nodeName1] [testing1-repository] is locked, waiting...
[Pipeline] [nodeName2] lock
[nodeName2] Trying to acquire lock on [testing2-repository]
[nodeName2] Found 0 available resource(s). Waiting for correct amount: 1.
[nodeName2] [testing2-repository] is locked, waiting...
[Pipeline] [nodeName3] lock
[nodeName3] Trying to acquire lock on [testing3-repository]
[nodeName3] Found 0 available resource(s). Waiting for correct amount: 1.
[nodeName3] [testing3-repository] is locked, waiting...
[nodeName1] Lock acquired on [testing1-repository]
[Pipeline] [nodeName4] }
[nodeName4] Lock released on resource [Label: testing-repository]
[Pipeline] [nodeName1] {
[Pipeline] [nodeName4] // lock
[Pipeline] [nodeName4] }
[Pipeline] [nodeName1] echo
[nodeName1] Testing lock resource
[Pipeline] [nodeName1] sleep
[nodeName1] Sleeping for 10 sec
[Pipeline] [nodeName4] // node
[Pipeline] [nodeName4] }
[Pipeline] [nodeName1] }
[nodeName1] Lock released on resource [testing1-repository]
[Pipeline] [nodeName1] // lock
[Pipeline] [nodeName1] }
[Pipeline] [nodeName1] // node
[Pipeline] [nodeName1] }
Does not work as I expected it to.
When nodeName4 releases the testing-repository which contains 3 resources,
then the other can acquire the lock on their resources. However only one of
them does so, the others do not. The entire build hangs and goes no
further.
[nodeName1] Lock acquired on [testing1-repository]
[nodeName4] Lock released on resource [Label: testing-repository]
[nodeName1] Lock released on resource [testing1-repository]
Do not know why nodeName1 acquired the lock before nodeName released.
This is the output I expected:
[nodeName4] Trying to acquire lock on [Label: testing-repository]
[nodeName4] Lock acquired on [Label: testing-repository]
[nodeName4] Lock released on resource [Label: testing-repository]
[nodeName1] Lock acquired on [testing1-repository]
[nodeName2] Lock acquired on [testing2-repository]
[nodeName3] Lock acquired on [testing3-repository]
[nodeName1] Lock released on resource [testing1-repository]
[nodeName2] Lock released on resource [testing2-repository]
[nodeName3] Lock released on resource [testing3-repository]
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