Hello,
We are using Jenkins with multiple slaves (17 and soon more ), all are VBox
Ubuntu guests.
I want to execute an administrative shell script on all slaves using the
script console in Jenkins manage.
for example gathering mac addresses running ifconfig.
I've tried to google the subject several times in the past couple of weeks,
unfortunately with no answers.
This is what I came up with so far :
//def logger = ????
for (slave in hudson.model.Hudson.instance.slaves) {
println('Proceswsing Slave ' + slave.name);
def launcher = slave.createLauncher();
def command = new hudson.util.ArgumentListBuilder();
command.addTokenized("ifconfig | grep HWaddr");
def ps = new hudson.Launcher.ProcStarter();
ps = ps.cmds(command);
//ps = ps.stdout(logger);
def proc = launcher.launch(ps);
def retcode = proc.join();
println("ret code="+retcode)
}
but running this fails with the following exception :
java.lang.NullPointerException
at hudson.Launcher.printCommandLine(Launcher.java:615)
at hudson.Launcher.maskedPrintCommandLine(Launcher.java:642)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:764)
at hudson.Launcher$ProcStarter.start(Launcher.java:353)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:998)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:965)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:326)
at
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:679)
As I understand the ProcStarter needs to be specified with a TaskListener.
How do I get the TaskListener that will take the output of the executed
commands and print it below the script console?
Also if you have a better way to achieve my goal I will be happy to hear.
Thanks,
Omer
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