core-admin/dom0/qvm-tools/qvm-create
2012-10-28 03:49:53 +01:00

175 lines
6.8 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 qubes.qubes import QubesException
from optparse import OptionParser;
import subprocess
import re
import os
import sys
def main():
usage = "usage: %prog [options] <vm-name>"
parser = OptionParser (usage)
parser.add_option ("-t", "--template", dest="template",
help="Specify the TemplateVM to use")
parser.add_option ("-l", "--label", dest="label",
help="Specify the label to use for the new VM (e.g. red, yellow, green, ...)")
parser.add_option ("-p", "--proxy", action="store_true", dest="proxyvm", default=False,
help="Create ProxyVM")
parser.add_option ("-H", "--hvm", action="store_true", dest="hvm", default=False,
help="Create HVM (implies --standalone)")
parser.add_option ("-n", "--net", action="store_true", dest="netvm", default=False,
help="Create NetVM")
parser.add_option ("-s", "--standalone", action="store_true", dest="standalone", default=False,
help="Create standalone VM - independent of template ")
parser.add_option ("-r", "--root", dest="root", default=None,
help="Use provided root.img instead of default/empty one (file will be MOVED)")
parser.add_option ("-m", "--mem", dest="mem", default=None,
help="Initial memory size (in MB)")
parser.add_option ("-c", "--vcpus", dest="vcpus", default=None,
help="VCPUs count")
parser.add_option ("-i", "--internal", action="store_true", dest="internal", default=False,
help="Create VM for internal use only (hidden in qubes-manager, no appmenus)")
parser.add_option ("--force-root", action="store_true", dest="force_root", default=False,
help="Force to run, even with root privileges")
parser.add_option ("-q", "--quiet", action="store_false", dest="verbose", default=True)
(options, args) = parser.parse_args ()
if (len (args) != 1):
parser.error ("You must specify VM name!")
vmname = args[0]
if options.netvm and options.proxyvm:
parser.error ("You must specify at most one of --proxy and --net")
if os.geteuid() == 0:
print >> sys.stderr, "*** Running this tool as root is strongly discouraged, this will lead you in permissions problems."
if options.force_root:
print >> sys.stderr, "Continuing as commanded. You have been warned."
else:
print >> sys.stderr, "Retry as unprivileged user."
print >> sys.stderr, "... or use --force-root to continue anyway."
exit(1)
if options.label is None:
print >> sys.stderr, "You must choose a label for the new VM by passing the --label option."
print >> sys.stderr, "Possible values are:"
for l in QubesVmLabels.values():
print >> sys.stderr, "* {0}".format(l.name)
exit (1)
if options.label not in QubesVmLabels:
print >> sys.stderr, "Wrong label name, supported values are the following:"
for l in QubesVmLabels.values():
print >> sys.stderr, "* {0}".format(l.name)
exit (1)
label = QubesVmLabels[options.label]
if options.hvm:
# Only standalone HVMs are supported for now
options.standalone = True
if not options.standalone and options.root is not None:
print >> sys.stderr, "root.img can be specified only for standalone VMs"
exit (1)
if options.root is not None and not os.path.exists(options.root):
print >> sys.stderr, "File specified as root.img does not exists"
exit (1)
qvm_collection = QubesVmCollection()
qvm_collection.lock_db_for_writing()
qvm_collection.load()
if qvm_collection.get_vm_by_name(vmname) is not None:
print >> sys.stderr, "A VM with the name '{0}' already exists in the system.".format(vmname)
exit(1)
template = None
if options.template is not None:
template = qvm_collection.get_vm_by_name(options.template)
if template is None:
print >> sys.stderr, "There is no (Template)VM with the name '{0}'".format(options.template)
exit (1)
if not template.is_template():
print >> sys.stderr, "VM '{0}' is not a TemplateVM".format(options.template)
exit (1)
if (options.verbose):
print "--> Using TemplateVM: {0}".format(template.name)
elif not options.hvm:
if qvm_collection.get_default_template() is None:
print >> sys.stderr, "No default TemplateVM defined!"
exit (1)
else:
template = qvm_collection.get_default_template()
if (options.verbose):
print "--> Using default TemplateVM: {0}".format(template.name)
if options.standalone:
new_vm_template = None
else:
new_vm_template = template
vm = None
try:
if options.netvm:
vm = qvm_collection.add_new_netvm(vmname, new_vm_template, label = label)
elif options.proxyvm:
vm = qvm_collection.add_new_proxyvm(vmname, new_vm_template, label = label)
elif options.hvm:
vm = qvm_collection.add_new_hvm(vmname, label = label)
else:
vm = qvm_collection.add_new_appvm(vmname, new_vm_template, label = label)
except QubesException as err:
print >> sys.stderr, "ERROR: {0}".format(err)
exit (1)
if options.internal:
vm.internal = True
if options.mem is not None:
vm.memory = options.mem
if options.vcpus is not None:
vm.vcpus = options.vcpus
try:
vm.create_on_disk(verbose=options.verbose, source_template=template)
if options.root:
os.unlink(vm.root_img)
os.rename(options.root, vm.root_img)
except (IOError, OSError) as err:
print >> sys.stderr, "ERROR: {0}".format(err)
exit (1)
qvm_collection.save()
qvm_collection.unlock_db()
main()