#!/usr/bin/python2.6
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010  Joanna Rutkowska <joanna@invisiblethingslab.com>
#
# 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 2
# of the License, or (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
#

from qubes.qubes import QubesVmCollection
from qubes.qubes import QubesException
from optparse import OptionParser
import subprocess

qubes_guid_path = "/usr/bin/qubes_guid"

def main():
    usage = "usage: %prog [options] <vm-name>"
    parser = OptionParser (usage)
    parser.add_option ("-q", "--quiet", action="store_false", dest="verbose", default=True)
    parser.add_option ("--no-guid", action="store_true", dest="noguid", default=False,
		      help="Do not start the GUId")
    parser.add_option ("--console", action="store_true", dest="debug_console", default=False,
                      help="Attach debugging console to the newly started VM")

    (options, args) = parser.parse_args ()
    if (len (args) != 1):
        parser.error ("You must specify VM name!")
    vmname = args[0]

    qvm_collection = QubesVmCollection()
    qvm_collection.lock_db_for_reading()
    qvm_collection.load()
    qvm_collection.unlock_db()

    vm = qvm_collection.get_vm_by_name(vmname)
    if vm is None:
        print "A VM with the name '{0}' does not exist in the system.".format(vmname)
        exit(1)

    try:
        vm.verify_files()
        xid = vm.start(debug_console=options.debug_console, verbose=options.verbose)
    except (IOError, OSError, QubesException) as err:
        print "ERROR: {0}".format(err)
        exit (1)

    if options.noguid:
	exit (0)
    if options.verbose:
        print "--> Starting Qubes GUId..."

    retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon])
    if (retcode != 0) :
        print "ERROR: Cannot start qubes_guid!"
        exit (1)


main()
