java - Jenkins groovy script - running processes on nodes returns no result -


i'm trying run command on each slave node in jenkins.. array? cloud? whatever. anyway, here's relevant code:

if (node.tocomputer().online && nodeisvagranthost) {     def output = new java.io.bytearrayoutputstream();     def stream = new streamtasklistener(output);     def nodelauncher = node.createlauncher(stream)      def starter = new launcher.procstarter();     starter.commands = ['vagrant', 'global-status']      def proc = nodelauncher.launch(starter);     proc.join();     stream.getlogger().println("test , that");     println(proc.isalive());     print(output);   }

it looks command runs, can't results of command. note i've tried things ["ls", "-lah"] , such - things should "work" - , result same.

here prints out me in console:

false $ vagrant global-status test ,

i know i've got missing simple here, i'm not groovy/java guy that's used streams getting directed on place ^_^


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