218 lines
7.7 KiB
Python
Executable File
218 lines
7.7 KiB
Python
Executable File
#!/usr/bin/python -tt
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#
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# Create a virtual machine from an XML image description
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#
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# Copyright 2007 Red Hat, Inc.
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# David Lutterkort <dlutter@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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import sys
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import urlgrabber.progress as progress
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import virtinst
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import virtinst.ImageParser
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import virtinst.CapabilitiesParser
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import virtinst.cli as cli
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from virtinst.cli import fail, print_stdout, print_stderr
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import optparse
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from optparse import OptionGroup
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### General input gathering functions
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def get_networks(domain, guest, options):
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nnics = domain.interface
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networks, macs = cli.digest_networks(guest, options, numnics=nnics)
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if nnics > len(networks):
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fail(_("The image requires %i network interface.") % nnics)
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cli.get_networks(guest, networks, macs)
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def get_graphics(image, guest, options):
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graphics = cli.digest_graphics(guest, options,
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default_override=bool(image.graphics))
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cli.get_graphics(guest, graphics)
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### Option parsing
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def parse_args():
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usage = "%prog [options] image.xml"
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parser = cli.setupParser(usage)
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cli.add_connect_option(parser)
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geng = OptionGroup(parser, _("General Options"))
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geng.add_option("-n", "--name", dest="name",
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help=_("Name of the guest instance"))
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geng.add_option("-r", "--ram", type="int", dest="memory",
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help=_("Memory to allocate for guest instance in "
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"megabytes"))
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geng.add_option("-u", "--uuid", dest="uuid",
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help=_("UUID for the guest."))
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cli.vcpu_cli_options(geng)
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geng.add_option("", "--os-type", dest="distro_type",
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help=_("The OS type being installed, e.g. "
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"'linux', 'unix', 'windows'"))
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geng.add_option("", "--os-variant", dest="distro_variant",
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help=_("The OS variant being installed, "
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"e.g. 'fedora6', 'rhel5', 'solaris10', 'win2k'"))
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parser.add_option_group(geng)
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fulg = OptionGroup(parser, _("Full Virtualization specific options"))
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fulg.add_option("", "--noapic", action="store_true", dest="noapic",
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default=False,
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help=_("Disables APIC for fully virtualized guest"))
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fulg.add_option("", "--noacpi", action="store_true", dest="noacpi",
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default=False,
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help=_("Disables ACPI for fully virtualized guest"))
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parser.add_option_group(fulg)
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netg = cli.network_option_group(parser)
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parser.add_option_group(netg)
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vncg = cli.graphics_option_group(parser)
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parser.add_option_group(vncg)
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misc = OptionGroup(parser, _("Miscellaneous Options"))
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misc.add_option("-p", "--print", action="store_true", dest="print_only",
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help=_("Print the libvirt XML, but do not start the "
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"domain"))
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misc.add_option("", "--boot", type="int", dest="boot",
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help=_("The zero-based index of the boot record to use"))
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misc.add_option("", "--replace", action="store_true", dest="replace",
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default=False,
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help=_("Overwrite, or destroy, an existing image with "
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"the same name"))
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misc.add_option("", "--noreboot", action="store_true", dest="noreboot",
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help=_("Don't boot guest after completing install."))
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misc.add_option("", "--skip-checksum", action="store_true",
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dest="skipchecksum",
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help=_("Skip disk checksum verification process"))
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misc.add_option("-d", "--debug", action="store_true", dest="debug",
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help=_("Print debugging information"))
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misc.add_option("", "--prompt", action="store_true", dest="prompt",
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default=False,
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help=optparse.SUPPRESS_HELP)
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misc.add_option("", "--force", action="store_true", dest="force",
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default=False,
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help=optparse.SUPPRESS_HELP)
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misc.add_option("-q", "--quiet", action="store_true", dest="quiet",
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help=_("Suppress non-error output"))
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parser.add_option_group(misc)
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(options, args) = parser.parse_args()
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if len(args) < 1:
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parser.error(_("You need to provide an image XML descriptor"))
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options.image = args[0]
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return options
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def main(conn=None):
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cli.earlyLogging()
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options = parse_args()
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options.quiet = options.print_only or options.quiet
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cli.setupLogging("virt-image", options.debug, options.quiet)
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cli.set_prompt(False)
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if conn is None:
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conn = cli.getConnection(options.connect)
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try:
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image = virtinst.ImageParser.parse_file(options.image)
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except virtinst.ImageParser.ParserException, msg:
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fail("%s '%s': %s" % (_("Cannot parse"), options.image, msg))
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if options.boot is not None:
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nboots = len(image.domain.boots)
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if options.boot < 0 or options.boot >= nboots:
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fail(_("The index for --boot must be between 0 and %d") %
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(nboots - 1))
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# Build the Installer instance
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installer = virtinst.ImageInstaller(boot_index=options.boot,
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image=image,
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conn=conn)
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# Get Guest instance from installer parameters.
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guest = installer.guest_from_installer()
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# now let's get some of the common questions out of the way
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guest.replace = options.replace
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cli.get_name(options.name, guest, image.name)
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cli.get_memory(options.memory, guest, image.domain.memory)
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cli.get_uuid(options.uuid, guest)
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cli.get_vcpus(guest, options.vcpus, options.check_cpu, image.domain.vcpu)
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cli.get_cpuset(guest, options.cpuset, guest.memory)
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cli.parse_cpu(guest, options.cpu)
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get_networks(image.domain, guest, options)
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get_graphics(image.domain, guest, options)
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cli.get_video(guest)
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cli.set_os_variant(guest, options.distro_type, options.distro_variant)
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if installer.is_hvm():
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if options.noacpi:
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guest.features["acpi"] = False
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if options.noapic:
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guest.features["apic"] = False
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# we've got everything -- try to start the install
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if options.print_only:
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start_xml, final_xml = guest.start_install(return_xml=True)
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print_stdout(start_xml or final_xml, do_force=True)
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return 0
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meter = progress.TextMeter(fo=sys.stdout)
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if not options.skipchecksum:
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for disk in image.storage.values():
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disk.check_disk_signature(meter=meter)
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try:
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print_stdout("\n")
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print_stdout(_("Creating guest %s...") % guest.name)
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guest.start_install(None, meter, noboot=options.noreboot)
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except RuntimeError:
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raise
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except Exception, e:
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fail(e, do_exit=False)
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cli.install_fail(guest)
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return 0
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if __name__ == "__main__":
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try:
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sys.exit(main())
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except SystemExit, sys_e:
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sys.exit(sys_e.code)
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except KeyboardInterrupt:
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print_stderr(_("Installation aborted at user request"))
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except Exception, main_e:
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fail(main_e)
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