#!/usr/bin/env python
#
#    NEPI, a framework to manage network experiments
#    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 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
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Author: Alina Quereilhac <alina.quereilhac@inria.fr>

# Example of how to run this experiment (replace with your information):
#
# $ cd <path-to-nepi>
# python examples/linux/hello_world.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
import os

usage = ("usage: %prog -a <hostanme> -u <username> -i <ssh-key>")

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()

hostname = options.hostname
username = options.username
ssh_key = options.ssh_key

ec = ExperimentController(exp_id = "src-up-exp")
        
node = ec.register_resource("linux::Node",
                            hostname = hostname,
                            username =username,
                            identity = ssh_key,
                            cleanExperiment = True,
                            cleanProcesses = True)

path_to_sources = os.path.join(
        os.path.dirname(os.path.realpath(__file__)),
        "hello.c")

app = ec.register_resource("linux::Application",
                           sources = path_to_sources,
                           build = "gcc ${SRC}/hello.c -o ${BIN}/hello",
                           command = "${BIN}/hello")

ec.register_connection(node, app)

ec.deploy()

ec.wait_finished(app)

print(ec.trace(app, "stdout"))

ec.shutdown()