Hi,
I'm struggling with jenkins slave disconnect from pipeline stage which is
being executed on master. After a bit of googling I got following solution
which works when executed as "Pipeline script"
import hudson.model.Slave.*
import hudson.slaves.OfflineCause.SimpleOfflineCause;
class OfflineMessage extends org.jvnet.localizer.Localizable {
def message;
OfflineMessage(String msg) {
super(null, null, []);
def time = new Date(); //.format("HH:mm MM/dd/yy
z",TimeZone.getTimeZone("EST"))
this.message = msg; //"Toggling the node offline:" + time
}
String toString() {
this.message;
}
String toString(java.util.Locale l) {
toString();
}
}
def NodeDisconnect (NodeName) {
def WorkNode = jenkins.model.Jenkins.instance.getNode(NodeName)
if (WorkNode) {
println ("GOT NODE")
def WorkComputer = WorkNode.computer
def WorkLouncher = WorkComputer.getLauncher();
def WorkListener = TaskListener.NULL
if (WorkComputer.isOnline()){
println("Node is online")
if (WorkComputer.isIdle()){
println ("Current node status Online, Idle with
${WorkComputer.countExecutors()}:${WorkComputer.countBusy()} executors")
println ("About to disconnect node")
WorkLouncher.beforeDisconnect(WorkComputer,WorkListener)
WorkComputer.disconnect(SimpleOfflineCause.create(new
OfflineMessage("Disconnected for VirtualBox snapshot restore")));
WorkLouncher.afterDisconnect(WorkComputer,WorkListener)
println ("Wait for node to go offline")
WorkComputer.waitUntilOffline()
}
else {
println ("Current node status Online, Busy with
${WorkComputer.countExecutors()}:${WorkComputer.countBusy()} executors")
//raise
}
}
else {
println("Node is offline with
cause:${WorkComputer.getOfflineCauseReason()}")
//raise
}
}
else {
println ("NODE NOT FOUND")
//raise error
}
}
node('master') {
stage('Stage1'){
NodeDisconnect('Node1')
sleep 3
NodeConnect('Node1')
sleep 3
}
}
node('Node1'){
stage('Stage2'){
echo "HI FROM NODE"
}
}
But when I try to execute it as "Pipeline script from SCM" it fails with
...
org.jenkinsci.plugins.scriptsecurity.sandbox.RejectedAccessException:
unclassified staticMethod hudson.slaves.OfflineCause$SimpleOfflineCause create
OfflineMessage
at
org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onStaticCall(SandboxInterceptor.java:138)
at org.kohsuke.groovy.sandbox.impl.Checker$2.call(Checker.java:180)
at
org.kohsuke.groovy.sandbox.impl.Checker.checkedStaticCall(Checker.java:177)
at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:91)
at
com.cloudbees.groovy.cps.sandbox.SandboxInvoker.methodCall(SandboxInvoker.java:16)
at Script2.NodeDisconnect(Script2.groovy:42)
at WorkflowScript.run(WorkflowScript:10)
at ___cps.transform___(Native Method)
at
com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57)
at
com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109)
at
com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82)
at sun.reflect.GeneratedMethodAccessor702.invoke(Unknown Source)
...
Can somebody give a hint or example on how to rewrite OfflineMessage class
to get a round exception which is being rised by
GroovyCallSiteSelector.staticMethod(receiver,
method, args);
PS. I'm new to Jenkins, Groovy and java so please keep answers as simple as
possible ...
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