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#!/usr/bin/python -tt
#
# Create a virtual machine from an XML image description
#
# Copyright 2007 Red Hat, Inc.
# David Lutterkort <dlutter@redhat.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.
import sys
import urlgrabber.progress as progress
import virtinst
import virtinst.ImageParser
import virtinst.CapabilitiesParser
import virtinst.cli as cli
from virtinst.cli import fail, print_stdout, print_stderr
import optparse
from optparse import OptionGroup
cli.setupGettext()
### General input gathering functions
def get_networks(domain, guest, options):
nnics = domain.interface
networks, macs = cli.digest_networks(guest, options, numnics=nnics)
if nnics > len(networks):
fail(_("The image requires %i network interface.") % nnics)
cli.get_networks(guest, networks, macs)
def get_graphics(image, guest, options):
graphics = cli.digest_graphics(guest, options,
default_override=bool(image.graphics))
cli.get_graphics(guest, graphics)
### Option parsing
def parse_args():
usage = "%prog [options] image.xml"
parser = cli.setupParser(usage)
cli.add_connect_option(parser)
geng = OptionGroup(parser, _("General Options"))
geng.add_option("-n", "--name", dest="name",
help=_("Name of the guest instance"))
geng.add_option("-r", "--ram", type="int", dest="memory",
help=_("Memory to allocate for guest instance in "
"megabytes"))
geng.add_option("-u", "--uuid", dest="uuid",
help=_("UUID for the guest."))
cli.vcpu_cli_options(geng)
geng.add_option("", "--os-type", dest="distro_type",
help=_("The OS type being installed, e.g. "
"'linux', 'unix', 'windows'"))
geng.add_option("", "--os-variant", dest="distro_variant",
help=_("The OS variant being installed, "
"e.g. 'fedora6', 'rhel5', 'solaris10', 'win2k'"))
parser.add_option_group(geng)
fulg = OptionGroup(parser, _("Full Virtualization specific options"))
fulg.add_option("", "--noapic", action="store_true", dest="noapic",
default=False,
help=_("Disables APIC for fully virtualized guest"))
fulg.add_option("", "--noacpi", action="store_true", dest="noacpi",
default=False,
help=_("Disables ACPI for fully virtualized guest"))
parser.add_option_group(fulg)
netg = cli.network_option_group(parser)
parser.add_option_group(netg)
vncg = cli.graphics_option_group(parser)
parser.add_option_group(vncg)
misc = OptionGroup(parser, _("Miscellaneous Options"))
misc.add_option("-p", "--print", action="store_true", dest="print_only",
help=_("Print the libvirt XML, but do not start the "
"domain"))
misc.add_option("", "--boot", type="int", dest="boot",
help=_("The zero-based index of the boot record to use"))
misc.add_option("", "--replace", action="store_true", dest="replace",
default=False,
help=_("Overwrite, or destroy, an existing image with "
"the same name"))
misc.add_option("", "--noreboot", action="store_true", dest="noreboot",
help=_("Don't boot guest after completing install."))
misc.add_option("", "--skip-checksum", action="store_true",
dest="skipchecksum",
help=_("Skip disk checksum verification process"))
misc.add_option("-d", "--debug", action="store_true", dest="debug",
help=_("Print debugging information"))
misc.add_option("", "--prompt", action="store_true", dest="prompt",
default=False,
help=optparse.SUPPRESS_HELP)
misc.add_option("", "--force", action="store_true", dest="force",
default=False,
#help=_("Do not prompt for input. Answers yes where "
# "applicable, terminates for all other prompts"),
help=optparse.SUPPRESS_HELP)
misc.add_option("-q", "--quiet", action="store_true", dest="quiet",
help=_("Suppress non-error output"))
parser.add_option_group(misc)
(options, args) = parser.parse_args()
if len(args) < 1:
parser.error(_("You need to provide an image XML descriptor"))
options.image = args[0]
return options
def main(conn=None):
cli.earlyLogging()
options = parse_args()
options.quiet = options.print_only or options.quiet
cli.setupLogging("virt-image", options.debug, options.quiet)
cli.set_prompt(False)
if conn is None:
conn = cli.getConnection(options.connect)
try:
image = virtinst.ImageParser.parse_file(options.image)
except virtinst.ImageParser.ParserException, msg:
fail( "%s '%s': %s" % (_("Cannot parse"), options.image, msg))
if options.boot is not None:
nboots = len(image.domain.boots)
if options.boot < 0 or options.boot >= nboots:
fail(_("The index for --boot must be between 0 and %d") %
(nboots - 1))
# Build the Installer instance
installer = virtinst.ImageInstaller(boot_index=options.boot,
image=image,
conn=conn)
# Get Guest instance from installer parameters.
guest = installer.guest_from_installer()
# now let's get some of the common questions out of the way
guest.replace = options.replace
cli.get_name(options.name, guest, image.name)
cli.get_memory(options.memory, guest, image.domain.memory)
cli.get_uuid(options.uuid, guest)
cli.get_vcpus(guest, options.vcpus, options.check_cpu, image.domain.vcpu)
cli.get_cpuset(guest, options.cpuset, guest.memory)
cli.parse_cpu(guest, options.cpu)
get_networks(image.domain, guest, options)
get_graphics(image.domain, guest, options)
cli.get_video(guest)
cli.set_os_variant(guest, options.distro_type, options.distro_variant)
if installer.is_hvm():
if options.noacpi:
guest.features["acpi"] = False
if options.noapic:
guest.features["apic"] = False
# we've got everything -- try to start the install
if options.print_only:
start_xml, final_xml = guest.start_install(return_xml=True)
print_stdout(start_xml or final_xml, do_force=True)
return 0
meter = progress.TextMeter(fo=sys.stdout)
if not options.skipchecksum:
for disk in image.storage.values():
disk.check_disk_signature(meter=meter)
try:
print_stdout("\n")
print_stdout(_("Creating guest %s...") % guest.name)
guest.start_install(None, meter, noboot=options.noreboot)
except RuntimeError:
raise
except Exception, e:
fail(e, do_exit=False)
cli.install_fail(guest)
return 0
if __name__ == "__main__":
try:
sys.exit(main())
except SystemExit, sys_e:
sys.exit(sys_e.code)
except KeyboardInterrupt:
print_stderr(_("Installation aborted at user request"))
except Exception, main_e:
fail(main_e)
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