# Copyright (C) 2013 INRIA
#
# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation;
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# $ cd <path-to-nepi>
# python examples/linux/ping.py -a <hostname> -u <username> -i <ssh-key>
+from __future__ import print_function
from nepi.execution.ec import ExperimentController
-from optparse import OptionParser, SUPPRESS_HELP
+# SUPPRESS_HELP was not used here, but:
+# to suppress an arg from the help, use
+# add_argument( help=argparse.SUPPRESS)
+from argparse import ArgumentParser
import os
-usage = ("usage: %prog -a <hostanme> -u <username> -i <ssh-key>")
+parser = ArgumentParser()
+parser.add_argument("-u", "--username", dest="username",
+ help="Username to SSH to remote host")
+parser.add_argument("-i", "--ssh-key", dest="ssh_key",
+ help="Path to private SSH key to be used for connection")
+# this is required
+parser.add_argument("hostname", type=str)
-parser = OptionParser(usage = usage)
-parser.add_option("-a", "--hostname", dest="hostname",
- help="Remote host", type="str")
-parser.add_option("-u", "--username", dest="username",
- help="Username to SSH to remote host", type="str")
-parser.add_option("-i", "--ssh-key", dest="ssh_key",
- help="Path to private SSH key to be used for connection",
- type="str")
-(options, args) = parser.parse_args()
+args = parser.parse_args()
-hostname = options.hostname
-username = options.username
-ssh_key = options.ssh_key
+hostname = args.hostname
+username = args.username
+ssh_key = args.ssh_key
ec = ExperimentController(exp_id = "ping-exp")
-node = ec.register_resource("LinuxNode")
+node = ec.register_resource("linux::Node")
ec.set(node, "hostname", hostname)
ec.set(node, "username", username)
ec.set(node, "identity", ssh_key)
-ec.set(node, "cleanHome", True)
+ec.set(node, "cleanExperiment", True)
ec.set(node, "cleanProcesses", True)
-app = ec.register_resource("LinuxApplication")
+app = ec.register_resource("linux::Application")
ec.set(app, "command", "ping -c3 nepi.inria.fr")
ec.register_connection(app, node)
ec.wait_finished(app)
-print ec.trace(app, "stdout")
+print(ec.trace(app, "stdout"))
ec.shutdown()