#!/usr/bin/python -tt # # Create a virtual machine from an XML image description # # Copyright 2007 Red Hat, Inc. # David Lutterkort # # 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.cli as cli from virtinst.cli import fail, print_stdout, print_stderr from virtinst import virtimage import optparse from optparse import OptionGroup ### 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(): parser = cli.setupParser( "%prog image.xml [OPTIONS]", _("Create a virtual machine from a virt-image(5) image descriptor.")) 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=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 = virtimage.parse_file(options.image) except RuntimeError, 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 = virtimage.ImageInstaller(conn, image, boot_index=options.boot) guest = conn.caps.build_virtinst_guest(conn, *installer.get_caps_guest()) guest.installer = 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 guest.os.is_hvm(): if options.noacpi: guest.features["acpi"] = False if options.noapic: guest.features["apic"] = False if not guest.get_devices("input"): guest.add_default_input_device() if not guest.get_devices("console") and not guest.get_devices("serial"): guest.add_default_console_device() # 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)