certficate jenkins

copy certificate

def command = """cat /var/lib/jenkins/.ssh/id_rsa.pub"""// Create the String
def proc = command.execute()                 // Call *execute* on the string
proc.waitFor()                               // Wait for the command to finish

// Obtain status and output
println "return code: ${ proc.exitValue()}"
println "stderr: ${proc.err.text}"
println "stdout: ${proc.in.text}" // *out* from the external program is *in* for groovy