823bd1ce0f
This reduces xvd* devices count, so speeds up VM start. Also swap-cow is no longer needed, so remove this additional dm-snapshot layer.
222 lines
7.2 KiB
Python
Executable File
222 lines
7.2 KiB
Python
Executable File
#!/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_template():
|
|
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 volatile img", vm.volatile_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_template():
|
|
# 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()
|