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- #!/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 QubesVmLabels
- from optparse import OptionParser
- import subprocess
- def do_list(vm):
- label_width = 18
- fmt="{{0:<{0}}}: {{1}}".format(label_width)
- print fmt.format ("name", vm.name)
- print fmt.format ("label", vm.label.name)
- print fmt.format ("type", vm.type)
- if vm.is_appvm():
- print fmt.format ("template", vm.template_vm.name)
- if vm.netvm_vm is not None:
- print fmt.format ("netvm", vm.netvm_vm.name)
- print fmt.format ("updateable?", vm.is_updateable())
- print fmt.format ("installed by RPM?", vm.installed_by_rpm)
- print fmt.format ("dir", vm.dir_path)
- print fmt.format ("config", vm.conf_file)
- if not vm.is_appvm():
- print fmt.format ("root img", vm.root_img)
- if vm.is_templete():
- print fmt.format ("root COW img", vm.rootcow_img)
- if vm.is_appvm():
- print fmt.format ("root img", vm.template_vm.root_img)
- print fmt.format ("root COW img", vm.rootcow_img)
- print fmt.format ("private img", vm.private_img)
- def set_label(vms, vm, args):
- if len (args) != 1:
- print "Missing label name argument!"
- label = args[0]
- if label not in QubesVmLabels:
- print "Wrong label name, supported values are the following:"
- for l in QubesVmLabels.values():
- print "* {0}".format(l.name)
- exit (1)
- vm.label = QubesVmLabels[label]
- subprocess.check_call (["ln", "-sf", vm.label.icon_path, vm.icon_path])
- def set_netvm(vms, vm, args):
- if len (args) != 1:
- print "Missing netvm name argument!"
- print "Possible values:"
- print "1) default"
- print "2) none"
- print "3) <vmaname>"
- return
- netvm = args[0]
- if netvm == "none":
- netvm_vm = None
- vm.uses_default_netvm = False
- elif netvm == "default":
- netvm_vm = vms.get_default_netvm_vm()
- vm.uses_default_netvm = True
- else:
- netvm_vm = vms.get_vm_by_name (netvm)
- if netvm_vm is None:
- print "A VM with the name '{0}' does not exist in the system.".format(netvm)
- exit(1)
- if not netvm_vm.is_netvm():
- print "VM '{0}' is not a NetVM".format(netvm)
- exit (1)
- vm.uses_default_netvm = False
- vm.netvm_vm = netvm_vm
- def set_updateable(vms, vm, args):
- if vm.is_updateable():
- print "VM '{0}' is already set 'updateable', no action required.".format(vm.name)
- return True
- if vm.is_running():
- print "Cannot change 'updateable' attribute of a running VM. Shut it down first."
- return False
- if vm.is_appvm():
- # Check if the Template is *non* updateable...
- if not vm.template_vm.is_updateable():
- print "VM '{0}': Setting 'updateable' attribute to True.".format(vm.name)
- vm.set_updateable()
- else:
- print "The Template VM ('{0}') is marked as 'updateable' itself!".format(vm.template_vm.name)
- print "Cannot make the AppVM updateable too, as this might cause COW-backed storage incoherency."
- print "If you want to make this AppVM updateable, you must first make the Template VM nonupdateable."
- return False
- if vm.is_templete():
- # Make sure that all the AppVMs are non-updateable...
- for appvm in vm.appvms.values():
- if appvm.is_updateable():
- print "At least one of the AppVMs ('{0}') of this Template VM is also marked 'updateable'.".format(appvm.name)
- print "Cannot make the Template VM updateable too, as this might cause COW-backed storage incoherency."
- print "If you want to make this Template VM updateable, you must first make all its decedent AppVMs nonupdateable."
- return False
- print "VM '{0}': Setting 'updateable' attribute to True.".format(vm.name)
- vm.set_updateable()
-
- return True
- def set_nonupdateable(vms, vm, args):
- if not vm.is_updateable():
- print "VM '{0}' is already set 'nonupdateable', no action required.".format(vm.name)
- return True
- if vm.is_running():
- print "Cannot change 'updateable' attribute of a running VM. Shut it down first."
- return False
- if vm.is_netvm():
- print "Why, on earth, would you want to make a NetVM 'nonupdateable'?"
- return False
- print "VM '{0}': Setting 'updateable' attribute to False.".format(vm.name)
- vm.set_nonupdateable()
- return True
- properties = {
- "updateable": set_updateable,
- "nonupdateable": set_nonupdateable,
- "label" : set_label,
- "netvm" : set_netvm,
- }
- def do_set(vms, vm, property, args):
- if property not in properties.keys():
- print "ERROR: Wrong property name: '{0}'".format(property)
- return False
- return properties[property](vms, vm, args)
- def main():
- usage = "usage: %prog -l [options] <vm-name>\n"\
- "usage: %prog -s [options] <vm-name> <property> [...]\n"\
- "List/set various per-VM properties."
- parser = OptionParser (usage)
- parser.add_option ("-l", "--list", action="store_true", dest="do_list", default=False)
- parser.add_option ("-s", "--set", action="store_true", dest="do_set", default=False)
- (options, args) = parser.parse_args ()
- if (len (args) < 1):
- parser.error ("You must provide at least the vmname!")
- vmname = args[0]
- if options.do_list and options.do_set:
- print "You cannot provide -l and -s at the same time!"
- exit (1)
- if options.do_set:
- qvm_collection = QubesVmCollection()
- qvm_collection.lock_db_for_writing()
- qvm_collection.load()
- else:
- 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 or vm.qid not in qvm_collection:
- print "A VM with the name '{0}' does not exist in the system.".format(vmname)
- exit(1)
- if options.do_set:
- if len (args) < 2:
- print "You must specify the property you wish to set..."
- print "Available properties:"
- for p in properties.keys():
- print "--> '{0}'".format(p)
- exit (1)
- property = args[1]
- do_set(qvm_collection, vm, property, args[2:])
- qvm_collection.save()
- qvm_collection.unlock_db()
- else:
- # do_list
- do_list(vm)
- main()
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