262 lines
10 KiB
Python
Executable File
262 lines
10 KiB
Python
Executable File
#!/usr/bin/python2.6
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2010 Rafal Wojtczuk <rafal@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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from qubes.qubes import QubesVmCollection
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from qubes.qubes import QubesException
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from optparse import OptionParser
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import subprocess
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import socket
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import errno
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import dbus
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import time
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import os
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import os.path
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qubes_guid_path = "/usr/bin/qubes_guid"
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qubes_clipd_path = "/usr/bin/qclipd"
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qrexec_daemon_path = "/usr/lib/qubes/qrexec_daemon"
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qrexec_client_path = "/usr/lib/qubes/qrexec_client"
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notify_object = None
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# how long (in sec) to wait for VMs to shutdown
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# before killing them (when used with --wait option)
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shutdown_counter_max = 30
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def tray_notify(str, label, timeout = 3000):
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notify_object.Notify("Qubes", 0, label.icon, "Qubes", str, [], [], timeout, dbus_interface="org.freedesktop.Notifications")
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def tray_notify_error(str, timeout = 3000):
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notify_object.Notify("Qubes", 0, "dialog-error", "Qubes", str, [], [], timeout, dbus_interface="org.freedesktop.Notifications")
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def actually_execute(domid, cmd, options):
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args = [qrexec_client_path, "-d", domid, cmd]
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if options.localcmd is not None:
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args += [ "-l", options.localcmd]
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if options.passio and not options.run_on_all_running:
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os.execv(qrexec_client_path, args)
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exit(1)
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args += ["-e"]
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subprocess.call(args)
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def vm_run_cmd(vm, cmd, options):
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if options.shutdown:
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if options.verbose:
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print "Shutting down VM: '{0}'...".format(vm.name)
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subprocess.call (["/usr/sbin/xm", "shutdown", vm.name])
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return
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if options.pause:
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if options.verbose:
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print "Pausing VM: '{0}'...".format(vm.name)
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subprocess.call (["/usr/sbin/xm", "pause", vm.name])
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return
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if options.unpause:
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if options.verbose:
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print "UnPausing VM: '{0}'...".format(vm.name)
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subprocess.call (["/usr/sbin/xm", "unpause", vm.name])
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return
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if options.verbose:
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print "Running command on VM: '{0}'...".format(vm.name)
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if not vm.is_running():
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if not options.auto:
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print "VM '{0}' is not running, please start it first, or use the '--auto' switch"
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exit (1)
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try:
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if options.verbose:
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print "Starting the VM '{0}'...".format(vm.name)
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if options.tray:
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tray_notify ("Starting the '{0}' VM...".format(vm.name), label=vm.label)
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xid = vm.start(verbose=options.verbose)
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except (IOError, OSError, QubesException) as err:
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print "ERROR: {0}".format(err)
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if options.tray:
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tray_notify_error ("Error while starting the '{0}' VM: {1}".format(vm.name, err))
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exit (1)
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except (MemoryError) as err:
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print "ERROR: {0}".format(err)
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print "Close one or more running VMs and try again."
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if options.tray:
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subprocess.call(["kdialog", "--error", "Not enough memory to start '{0}' VM! Close one or more running VMs and try again.".format(vm.name)])
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exit (1)
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if os.getenv("DISPLAY") is not None:
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if options.verbose:
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print "--> Starting Qubes GUId..."
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retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)])
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if (retcode != 0) :
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print "ERROR: Cannot start qubes_guid!"
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if options.tray:
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tray_notify_error ("ERROR: Cannot start qubes_guid!")
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exit (1)
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if options.verbose:
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print "--> Starting Qubes rexec daemon..."
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retcode = subprocess.call ([qrexec_daemon_path, str(xid)])
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if (retcode != 0) :
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print "ERROR: Cannot start qrexec_daemon!"
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exit (1)
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actually_execute(str(xid), cmd, options);
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else: # VM already running...
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xid = vm.get_xid()
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if os.getenv("DISPLAY") is not None and not os.path.isfile("/var/run/qubes/guid_running.{0}".format(xid)):
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retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)])
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if (retcode != 0) :
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print "ERROR: Cannot start qubes_guid!"
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if options.tray:
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tray_notify_error ("ERROR: Cannot start the GUI daemon for this VM!")
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exit (1)
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actually_execute(str(xid), cmd, options);
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def main():
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usage = "usage: %prog [options] [<vm-name>] [<cmd>]"
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parser = OptionParser (usage)
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parser.add_option ("-q", "--quiet", action="store_false", dest="verbose", default=True)
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parser.add_option ("-a", "--auto", action="store_true", dest="auto", default=False,
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help="Auto start the VM if not running")
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parser.add_option ("-u", "--user", action="store", dest="user", default="user",
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help="Run command in a VM as a specified user")
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parser.add_option ("--tray", action="store_true", dest="tray", default=False,
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help="Use tray notifications instead of stdout" )
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parser.add_option ("--all", action="store_true", dest="run_on_all_running", default=False,
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help="Run command on all currently running VMs (or all paused, in case of --unpause)")
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parser.add_option ("--exclude", action="append", dest="exclude_list",
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help="When --all is used: exclude this VM name (might be repeated)")
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parser.add_option ("--wait", action="store_true", dest="wait_for_shutdown", default=False,
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help="Wait for the VM(s) to shutdown")
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parser.add_option ("--shutdown", action="store_true", dest="shutdown", default=False,
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help="Do 'xm shutdown' for the VM(s) (can be combined this with --all and --wait)")
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parser.add_option ("--pause", action="store_true", dest="pause", default=False,
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help="Do 'xm pause' for the VM(s) (can be combined this with --all and --wait)")
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parser.add_option ("--unpause", action="store_true", dest="unpause", default=False,
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help="Do 'xm unpause' for the VM(s) (can be combined this with --all and --wait)")
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parser.add_option ("--pass_io", action="store_true", dest="passio", default=False,
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help="Pass stdin/stdout/stderr from remote program")
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parser.add_option ("--localcmd", action="store", dest="localcmd", default=None,
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help="With --pass_io, pass stdin/stdout/stderr to the given program")
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(options, args) = parser.parse_args ()
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if (options.shutdown or options.pause or options.unpause):
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takes_cmd_argument = False
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else:
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takes_cmd_argument = True
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if options.run_on_all_running:
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if len(args) < 1 and takes_cmd_argument:
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parser.error ("You must provide a command to execute on all the VMs.")
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if len(args) > 1 or ((not takes_cmd_argument) and len(args) > 0):
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parser.error ("To many arguments...")
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cmdstr = args[0] if takes_cmd_argument else None
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else:
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if len (args) < 1 and not takes_cmd_argument:
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parser.error ("You must specify the VM name to shutdown/pause/unpause.")
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if len (args) < 2 and takes_cmd_argument:
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parser.error ("You must specify the VM name and the command to execute in the VM.")
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if len (args) > 2 or ((not takes_cmd_argument) and len(args) > 1):
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parser.error ("To many arguments...")
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vmname = args[0]
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cmdstr = args[1] if takes_cmd_argument else None
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if options.tray:
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global notify_object
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notify_object = dbus.SessionBus().get_object("org.freedesktop.Notifications", "/org/freedesktop/Notifications")
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qvm_collection = QubesVmCollection()
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qvm_collection.lock_db_for_reading()
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qvm_collection.load()
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qvm_collection.unlock_db()
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vms_list = []
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if options.run_on_all_running:
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all_vms = [vm for vm in qvm_collection.values()]
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for vm in all_vms:
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if options.exclude_list is not None and vm.name in options.exclude_list:
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continue
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if vm.qid == 0:
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continue
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if (options.unpause and vm.is_paused()) or (not options.unpause and vm.is_running()):
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vms_list.append (vm)
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else:
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vm = qvm_collection.get_vm_by_name(vmname)
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if vm is None:
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print "A VM with the name '{0}' does not exist in the system!".format(vmname)
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exit(1)
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vms_list.append(vm)
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if takes_cmd_argument:
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cmd = "{user}:{cmd}".format(user=options.user, cmd=cmdstr)
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else:
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cmd = None
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for vm in vms_list:
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vm_run_cmd(vm, cmd, options)
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if options.wait_for_shutdown:
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if options.verbose:
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print "Waiting for the VM(s) to shutdown..."
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shutdown_counter = 0
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while len (vms_list):
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if options.verbose:
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print "Waiting for VMs: ", [vm.name for vm in vms_list]
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for vm in vms_list:
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if not vm.is_running():
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vms_list.remove (vm)
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if shutdown_counter > shutdown_counter_max:
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# kill the VM
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if options.verbose:
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print "Killing the (apparently hanging) VM '{0}'...".format(vm.name)
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vm.force_shutdown()
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#vms_list.remove(vm)
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shutdown_counter += 1
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time.sleep (1)
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exit (0) # there is no point in executing the other daemons in the case of --wait
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retcode = subprocess.call([qubes_clipd_path])
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if retcode != 0:
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print "ERROR: Cannot start qclipd!"
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if options.tray:
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tray_notify ("ERROR: Cannot start the Qubes Clipboard Notifier!")
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main()
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