virt-manager/virt-install

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#!/usr/bin/python -tt
#
# Copyright 2005-2013 Red Hat, Inc.
#
# 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 argparse
import logging
import os
import re
import sys
import time
import libvirt
import urlgrabber.progress as progress
import virtinst
import virtinst.cli as cli
from virtinst.cli import fail, print_stdout, print_stderr
##############################
# Validation utility helpers #
##############################
install_methods = "--location URL, --cdrom CD/ISO, --pxe, --import, --boot hd|cdrom|..."
install_missing = (_("An install method must be specified\n(%(methods)s)") %
{"methods" : install_methods})
disk_missing = _("--disk storage must be specified (override with --nodisks)")
def install_specified(location, cdpath, pxe, import_install):
return bool(pxe or cdpath or location or import_install)
def cdrom_specified(guest, disk=None):
disks = guest.get_devices("disk")
for disk in disks:
if disk.device == virtinst.VirtualDisk.DEVICE_CDROM:
return True
# Probably haven't set up disks yet
if not disks and disk:
for opts in disk:
if opts.count("device=cdrom"):
return True
return False
def storage_specified(disks, nodisks, filesystems):
return bool(disks or nodisks or filesystems)
def supports_pxe(guest):
"""
Return False if we are pretty sure the config doesn't support PXE
"""
for nic in guest.get_devices("interface"):
if nic.type == nic.TYPE_USER:
continue
if nic.type != nic.TYPE_VIRTUAL:
return True
try:
netobj = nic.conn.networkLookupByName(nic.source)
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xmlobj = virtinst.Network(nic.conn, parsexml=netobj.XMLDesc(0))
if xmlobj.can_pxe():
return True
except:
logging.debug("Error checking if PXE supported", exc_info=True)
return True
return False
def check_cdrom_option_error(options):
if options.cdrom_short and options.cdrom:
fail("Cannot specify both -c and --cdrom")
if options.cdrom_short:
if "://" in options.cdrom_short:
fail("-c specified with what looks like a URI. Did you mean "
"to use --connect? If not, use --cdrom instead")
options.cdrom = options.cdrom_short
if not options.cdrom:
return
# Catch a strangely common error of users passing -vcpus=2 instead of
# --vcpus=2. The single dash happens to map to enough shortened options
# that things can fail weirdly if --paravirt is also specified.
for vcpu in [o for o in sys.argv if o.startswith("-vcpu")]:
if options.cdrom == vcpu[3:]:
fail("You specified -vcpus, you want --vcpus")
##############################
# Device validation wrappers #
##############################
def convert_old_sound(options):
if not options.sound:
return
for idx in range(len(options.sound)):
if options.sound[idx] is None:
options.sound[idx] = "default"
def convert_old_init(options):
if not options.init:
return
if not options.boot:
options.boot = ""
options.boot += ",init=%s" % options.init
logging.debug("Converted old --init to --boot %s", options.boot)
def convert_old_disks(options):
if options.disk or options.nodisks:
return
paths = virtinst.util.listify(options.file_paths)
sizes = virtinst.util.listify(options.disksize)
def padlist(l, padsize):
l = virtinst.util.listify(l)
l.extend((padsize - len(l)) * [None])
return l
disklist = padlist(paths, max(0, len(sizes)))
sizelist = padlist(sizes, len(disklist))
opts = []
for idx in range(len(disklist)):
optstr = ""
if disklist[idx]:
optstr += "path=%s" % disklist[idx]
if sizelist[idx]:
if optstr:
optstr += ","
optstr += "size=%s" % sizelist[idx]
if options.sparse is False:
if optstr:
optstr += ","
optstr += "sparse=no"
logging.debug("Converted to new style: --disk %s", optstr)
opts.append(optstr)
options.disk = opts
options.file_paths = []
options.disksize = None
options.sparse = True
########################
# Virt type validation #
########################
def get_guest(conn, options):
# Set up all virt/hypervisor parameters
if sum([bool(f) for f in [options.fullvirt,
options.paravirt,
options.container]]) > 1:
fail(_("Can't do more than one of --hvm, --paravirt, or --container"))
req_accel = True
req_hv_type = options.hv_type and options.hv_type.lower() or None
if options.fullvirt:
req_virt_type = "hvm"
elif options.paravirt:
req_virt_type = "xen"
elif options.container:
req_virt_type = "exe"
else:
# This should force capabilities to give us the most sensible default
req_virt_type = None
logging.debug("Requesting virt method '%s', hv type '%s'.",
(req_virt_type and req_virt_type or _("default")),
(req_hv_type and req_hv_type or _("default")))
arch = options.arch
if re.match("i.86", arch or ""):
arch = "i686"
try:
(capsguest,
capsdomain) = conn.caps.guest_lookup(
os_type=req_virt_type,
arch=arch,
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typ=req_hv_type,
accelerated=req_accel,
machine=options.machine)
guest = conn.caps.build_virtinst_guest(conn, capsguest, capsdomain)
guest.os.machine = options.machine
except Exception, e:
fail(e)
if (not req_virt_type and
not req_hv_type and
req_accel and
conn.is_qemu() and
capsguest.arch in ["i686", "x86_64"] and
not capsdomain.is_accelerated()):
logging.warn("KVM acceleration not available, using '%s'",
capsdomain.hypervisor_type)
return guest
##################################
# Install media setup/validation #
##################################
def get_install_media(guest, location, cdpath):
manual_cdrom = cdrom_specified(guest)
cdinstall = bool(not location and (cdpath or cdrom_specified(guest)))
if not (location or cdpath or manual_cdrom):
return
try:
validate_install_media(guest, location, cdpath, cdinstall)
except ValueError, e:
fail(_("Error validating install location: %s" % str(e)))
def validate_install_media(guest, location, cdpath, cdinstall=False):
if cdinstall or cdpath:
guest.installer.cdrom = True
if location or cdpath:
guest.installer.location = (location or cdpath)
guest.installer.check_location(guest)
#############################
# General option validation #
#############################
def validate_required_options(options, guest):
# Required config. Don't error right away if nothing is specified,
# aggregate the errors to help first time users get it right
msg = ""
if not options.name:
msg += "\n" + cli.name_missing
if not options.memory:
msg += "\n" + _("--memory amount in MB is required")
if (not guest.os.is_container() and
not storage_specified(options.disk,
options.nodisks,
options.filesystem)):
msg += "\n" + disk_missing
if (not guest.os.is_container() and
(not install_specified(options.location, options.cdrom,
options.pxe, options.import_install)) and
(not cdrom_specified(guest, options.disk))):
msg += "\n" + install_missing
if msg:
fail(msg)
def check_option_collisions(options, guest):
# Disk collisions
if options.nodisks and (options.file_paths or
options.disk or
options.disksize):
fail(_("Cannot specify storage and use --nodisks"))
if ((options.file_paths or options.disksize or not options.sparse) and
options.disk):
fail(_("Cannot mix --file, --nonsparse, or --file-size with --disk "
"options. Use --disk PATH[,size=SIZE][,sparse=yes|no]"))
# Network collisions
if options.nonetworks:
if options.mac:
fail(_("Cannot use --mac with --nonetworks"))
if options.bridge:
fail(_("Cannot use --bridge with --nonetworks"))
if options.network:
fail(_("Cannot use --network with --nonetworks"))
return
# Install collisions
if sum([bool(l) for l in [options.pxe, options.location,
options.cdrom, options.import_install]]) > 1:
fail(_("Only one install method can be used (%(methods)s)") %
{"methods" : install_methods})
if (guest.os.is_container() and
install_specified(options.location, options.cdrom,
options.pxe, options.import_install)):
fail(_("Install methods (%s) cannot be specified for "
"container guests") % install_methods)
if guest.os.is_xenpv():
if options.pxe:
fail(_("Network PXE boot is not supported for paravirtualized "
"guests"))
if options.cdrom or options.livecd:
fail(_("Paravirtualized guests cannot install off cdrom media."))
if (options.location and
guest.conn.is_remote() and not
guest.conn.support_remote_url_install()):
fail(_("Libvirt version does not support remote --location installs"))
cdrom_err = ""
if guest.installer.cdrom:
cdrom_err = " " + _("See the man page for examples of "
"using --location with CDROM media")
if not options.location and options.extra_args:
fail(_("--extra-args only work if specified with --location.") +
cdrom_err)
if not options.location and options.initrd_inject:
fail(_("--initrd-inject only works if specified with --location.") +
cdrom_err)
def _show_nographics_warnings(options, guest):
if guest.get_devices("graphics"):
return
if not options.autoconsole:
return
if guest.installer.cdrom:
logging.warn(_("CDROM media does not print to the text console "
"by default, so you likely will not see text install output. "
"You might want to use --location."))
return
if not options.location:
return
# Trying --location --nographics with console connect. Warn if
# they likely won't see any output.
if not guest.get_devices("console"):
logging.warn(_("No --console device added, you likely will not "
"see text install output from the guest."))
return
serial_arg = "console=ttyS0"
virtio_arg = "console=hvc0"
console_type = None
if guest.conn.is_test() or guest.conn.is_qemu():
console_type = serial_arg
if guest.get_devices("console")[0].target_type == "virtio":
console_type = virtio_arg
if not options.extra_args or "console=" not in options.extra_args:
logging.warn(_("No 'console' seen in --extra-args, a '%s' kernel "
"argument is likely required to see text install output from "
"the guest."), console_type or "console=")
return
if console_type in options.extra_args:
return
if (serial_arg not in options.extra_args and
virtio_arg not in options.extra_args):
return
has = (serial_arg in options.extra_args) and serial_arg or virtio_arg
need = (serial_arg in options.extra_args) and virtio_arg or serial_arg
logging.warn(_("'%s' found in --extra-args, but the device attached "
"to the guest likely requires '%s'. You may not see text install "
"output from the guest."), has, need)
if has == serial_arg:
logging.warn(_("To make '--extra-args %s' work, you can force a "
"plain serial device with '--console pty'"), serial_arg)
def show_warnings(options, guest):
if options.pxe and not supports_pxe(guest):
logging.warn(_("The guest's network configuration does not support "
"PXE"))
_show_nographics_warnings(options, guest)
##########################
# Guest building helpers #
##########################
def build_installer(options, conn, virt_type):
# Build the Installer instance
if options.livecd:
instclass = virtinst.LiveCDInstaller
elif options.pxe:
if options.nonetworks:
fail(_("Can't use --pxe with --nonetworks"))
instclass = virtinst.PXEInstaller
elif options.cdrom or options.location:
instclass = virtinst.DistroInstaller
elif virt_type == "exe":
instclass = virtinst.ContainerInstaller
elif options.import_install or options.boot:
if options.import_install and options.nodisks:
fail(_("A disk device must be specified with --import."))
options.import_install = True
instclass = virtinst.ImportInstaller
else:
instclass = virtinst.DistroInstaller
# Only set installer params here that impact the hw config, not
# anything to do with install media
installer = instclass(conn)
return installer
def build_guest_instance(conn, options, parsermap):
guest = get_guest(conn, options)
logging.debug("Received virt method '%s'", guest.type)
logging.debug("Hypervisor name is '%s'", guest.os.os_type)
guest.installer = build_installer(options, conn, guest.os.os_type)
cli.convert_old_memory(options)
convert_old_sound(options)
cli.convert_old_networks(options, not options.nonetworks and 1 or 0)
cli.convert_old_graphics(guest, options)
convert_old_disks(options)
cli.convert_old_features(options)
cli.convert_old_cpuset(options)
convert_old_init(options)
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# non-xml install options
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guest.installer.extraargs = options.extra_args
guest.installer.initrd_injections = options.initrd_inject
cli.set_os_variant(guest, options.distro_type, options.distro_variant)
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guest.autostart = options.autostart
if options.name:
guest.name = options.name
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if options.uuid:
guest.uuid = options.uuid
if options.description:
guest.description = options.description
validate_required_options(options, guest)
# We don't want to auto-parse --disk, but we wanted it for earlier
# parameter introspection
cli.parse_option_strings(parsermap, options, guest, None)
# Extra disk validation
for disk in guest.get_devices("disk"):
cli.validate_disk(disk)
guest.add_default_input_device()
guest.add_default_console_device()
guest.add_default_video_device()
guest.add_default_usb_controller()
guest.add_default_channels()
get_install_media(guest, options.location, options.cdrom)
# Various little validations about option collisions. Need to do
# this after setting guest.installer at least
check_option_collisions(options, guest)
show_warnings(options, guest)
return guest
###########################
# Install process helpers #
###########################
def _run_console(args):
logging.debug("Running: %s", " ".join(args))
child = os.fork()
if child:
return child
os.execvp(args[0], args)
os._exit(1) # pylint: disable=W0212
def vnc_console(dom, uri):
args = ["/usr/bin/virt-viewer",
"--connect", uri,
"--wait", str(dom.ID())]
if not os.path.exists(args[0]):
logging.warn(_("Unable to connect to graphical console: "
"virt-viewer not installed. Please install "
"the 'virt-viewer' package."))
return None
return _run_console(args)
def txt_console(dom, uri):
args = ["/usr/bin/virsh",
"--connect", uri,
"console", str(dom.ID())]
return _run_console(args)
def domain_is_crashed(domain):
"""
Return True if the created domain object is in a crashed state
"""
if not domain:
return False
dominfo = domain.info()
state = dominfo[0]
return state == libvirt.VIR_DOMAIN_CRASHED
def domain_is_shutdown(domain):
"""
Return True if the created domain object is shutdown
"""
if not domain:
return False
dominfo = domain.info()
state = dominfo[0]
cpu_time = dominfo[4]
if state == libvirt.VIR_DOMAIN_SHUTOFF:
return True
# If 'wait' was specified, the dom object we have was looked up
# before initially shutting down, which seems to bogus up the
# info data (all 0's). So, if it is bogus, assume the domain is
# shutdown. We will catch the error later.
return state == libvirt.VIR_DOMAIN_NOSTATE and cpu_time == 0
def connect_console(domain, consolecb, wait):
"""
Launched the passed console callback for the already defined
domain. If domain isn't running, return an error.
"""
child = None
if consolecb:
child = consolecb(domain)
if not child or not wait:
return
# If we connected the console, wait for it to finish
try:
os.waitpid(child, 0)
except OSError, e:
logging.debug("waitpid: %s: %s", e.errno, e.message)
def start_install(guest, continue_inst, options):
def show_console(dom):
xmlobj = virtinst.Guest(guest.conn, parsexml=dom.XMLDesc(0))
gdev = xmlobj.get_devices("graphics")
if not gdev:
logging.debug("Connecting to text console")
return txt_console(dom, guest.conn.getURI())
gtype = gdev[0].type
if gtype in [virtinst.VirtualGraphics.TYPE_VNC,
virtinst.VirtualGraphics.TYPE_SPICE]:
logging.debug("Launching virt-viewer for graphics type '%s'",
gtype)
return vnc_console(dom, guest.conn.getURI())
else:
logging.debug("No viewer to launch for graphics type '%s'",
gtype)
return None
# There are two main cases we care about:
#
# Scripts: these should specify --wait always, maintaining the
# semantics of virt-install exit implying the domain has finished
# installing.
#
# Interactive: If this is a continue_inst domain, we default to
# waiting. Otherwise, we can exit before the domain has finished
# installing. Passing --wait will give the above semantics.
#
wait_on_install = continue_inst
wait_time = -1
if options.wait is not None:
wait_on_install = True
wait_time = options.wait * 60
# If --wait specified, we don't want the default behavior of waiting
# for virt-viewer to exit, since then we can't exit the app when time
# expires
wait_on_console = not wait_on_install
# --wait 0 implies --noautoconsole
options.autoconsole = (wait_time != 0) and options.autoconsole or False
conscb = options.autoconsole and show_console or None
meter = (options.quiet and
progress.BaseMeter() or
progress.TextMeter(fo=sys.stdout))
logging.debug("Guest.has_install_phase: %s",
guest.installer.has_install_phase())
# we've got everything -- try to start the install
print_stdout(_("\nStarting install..."))
try:
start_time = time.time()
# Do first install phase
dom = guest.start_install(meter=meter, noboot=options.noreboot)
connect_console(dom, conscb, wait_on_console)
dom = check_domain(guest, dom, conscb,
wait_on_install, wait_time, start_time)
if continue_inst:
dom = guest.continue_install(meter=meter)
connect_console(dom, conscb, wait_on_console)
dom = check_domain(guest, dom, conscb,
wait_on_install, wait_time, start_time)
if options.noreboot or not guest.installer.has_install_phase():
print_stdout(
_("Domain creation completed. You can restart your domain by "
"running:\n %s") % cli.virsh_start_cmd(guest))
else:
print_stdout(
_("Guest installation complete... restarting guest."))
dom.create()
connect_console(dom, conscb, wait=True)
except KeyboardInterrupt:
logging.debug("", exc_info=True)
print_stderr(_("Domain install interrupted."))
raise
except RuntimeError, e:
fail(e)
except Exception, e:
fail(e, do_exit=False)
cli.install_fail(guest)
def check_domain(guest, dom, conscb, wait_for_install, wait_time, start_time):
"""
Make sure domain ends up in expected state, and wait if for install
to complete if requested
"""
wait_forever = (wait_time < 0)
# Wait a bit so info is accurate
def check_domain_state():
dominfo = dom.info()
state = dominfo[0]
if domain_is_crashed(guest.domain):
fail(_("Domain has crashed."))
if domain_is_shutdown(guest.domain):
return dom, state
return None, state
do_sleep = bool(conscb)
try:
ret, state = check_domain_state()
if ret:
return ret
except Exception, e:
# Sometimes we see errors from libvirt here due to races
logging.exception(e)
do_sleep = True
if do_sleep:
# Sleep a bit and try again to be sure the HV has caught up
time.sleep(2)
ret, state = check_domain_state()
if ret:
return ret
# Domain seems to be running
logging.debug("Domain state after install: %s", state)
if not wait_for_install or wait_time == 0:
# User either:
# used --noautoconsole
# used --wait 0
# killed console and guest is still running
if not guest.installer.has_install_phase():
return dom
print_stdout(
_("Domain installation still in progress. You can reconnect"
" to \nthe console to complete the installation process."))
sys.exit(0)
timestr = (not wait_forever and
_("%d minutes ") % (int(wait_time) / 60) or "")
print_stdout(
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_("Domain installation still in progress. Waiting "
"%(time_string)s for installation to complete.") %
{"time_string": timestr})
# Wait loop
while True:
if domain_is_shutdown(guest.domain):
print_stdout(_("Domain has shutdown. Continuing."))
try:
# Lookup a new domain object incase current
# one returned bogus data (see comment in
# domain_is_shutdown)
dom = guest.conn.lookupByName(guest.name)
except Exception, e:
raise RuntimeError(_("Could not lookup domain after "
"install: %s" % str(e)))
break
time_elapsed = (time.time() - start_time)
if not wait_forever and time_elapsed >= wait_time:
print_stdout(
_("Installation has exceeded specified time limit. "
"Exiting application."))
sys.exit(1)
time.sleep(2)
return dom
########################
# XML printing helpers #
########################
def xml_to_print(guest, continue_inst, xmlonly, xmlstep, dry):
start_xml, final_xml = guest.start_install(dry=dry, return_xml=True)
second_xml = None
if not start_xml:
start_xml = final_xml
final_xml = None
if continue_inst:
second_xml, final_xml = guest.continue_install(dry=dry,
return_xml=True)
if dry and not (xmlonly or xmlstep):
print_stdout(_("Dry run completed successfully"))
return
# --print-xml
if xmlonly and not xmlstep:
if second_xml or final_xml:
fail(_("--print-xml can only be used with guests that do not have "
"an installation phase (--import, --boot, etc.). To see all"
" generated XML, please use --print-step all."))
return start_xml
# --print-step
if xmlstep == "1":
return start_xml
if xmlstep == "2":
if not (second_xml or final_xml):
fail(_("Requested installation does not have XML step 2"))
return second_xml or final_xml
if xmlstep == "3":
if not second_xml:
fail(_("Requested installation does not have XML step 3"))
return final_xml
# "all" case
xml = start_xml
if second_xml:
xml += second_xml
if final_xml:
xml += final_xml
return xml
#######################
# CLI option handling #
#######################
def parse_args():
parser = cli.setupParser(
"%(prog)s --name NAME --ram RAM STORAGE INSTALL [options]",
_("Create a new virtual machine from specified install media."),
introspection_epilog=True)
cli.add_connect_option(parser)
geng = parser.add_argument_group(_("General Options"))
geng.add_argument("-n", "--name",
help=_("Name of the guest instance"))
cli.add_memory_option(geng, backcompat=True)
cli.vcpu_cli_options(geng)
cli.add_metadata_option(geng)
geng.add_argument("-u", "--uuid", help=argparse.SUPPRESS)
geng.add_argument("--description", help=argparse.SUPPRESS)
cli.add_guest_xml_options(geng)
insg = parser.add_argument_group(_("Installation Method Options"))
insg.add_argument("-c", dest="cdrom_short", help=argparse.SUPPRESS)
insg.add_argument("--cdrom", help=_("CD-ROM installation media"))
insg.add_argument("-l", "--location",
help=_("Installation source (eg, nfs:host:/path, "
"http://host/path, ftp://host/path)"))
insg.add_argument("--pxe", action="store_true",
help=_("Boot from the network using the PXE protocol"))
insg.add_argument("--import", action="store_true", dest="import_install",
help=_("Build guest around an existing disk image"))
insg.add_argument("--livecd", action="store_true",
help=_("Treat the CD-ROM media as a Live CD"))
insg.add_argument("-x", "--extra-args",
help=_("Additional arguments to pass to the install kernel "
"booted from --location"))
insg.add_argument("--initrd-inject", action="append",
help=_("Add given file to root of initrd from --location"))
cli.add_distro_options(insg)
cli.add_boot_option(insg)
insg.add_argument("--init", help=argparse.SUPPRESS)
stog = parser.add_argument_group(_("Storage Configuration"))
cli.add_disk_option(stog)
stog.add_argument("--nodisks", action="store_true",
help=_("Don't set up any disks for the guest."))
cli.add_fs_option(stog)
# Deprecated storage options
stog.add_argument("-f", "--file", dest="file_paths", action="append",
help=argparse.SUPPRESS)
stog.add_argument("-s", "--file-size", type=float,
action="append", dest="disksize",
help=argparse.SUPPRESS)
stog.add_argument("--nonsparse", action="store_false",
default=True, dest="sparse",
help=argparse.SUPPRESS)
netg = cli.network_option_group(parser)
netg.add_argument("--nonetworks", action="store_true",
help=_("Don't create network interfaces for the guest."))
vncg = cli.graphics_option_group(parser)
vncg.add_argument("--noautoconsole", action="store_false",
dest="autoconsole", default=True,
help=_("Don't automatically try to connect to the guest "
"console"))
devg = parser.add_argument_group(_("Device Options"))
cli.add_device_options(devg, sound_back_compat=True)
virg = parser.add_argument_group(_("Virtualization Platform Options"))
virg.add_argument("-v", "--hvm", action="store_true", dest="fullvirt",
help=_("This guest should be a fully virtualized guest"))
virg.add_argument("-p", "--paravirt", action="store_true",
help=_("This guest should be a paravirtualized guest"))
virg.add_argument("--container", action="store_true", default=False,
help=_("This guest should be a container guest"))
virg.add_argument("--virt-type", dest="hv_type",
default="",
help=_("Hypervisor name to use (kvm, qemu, xen, ...)"))
virg.add_argument("--accelerate", action="store_true", default=False,
help=argparse.SUPPRESS)
virg.add_argument("--arch",
help=_("The CPU architecture to simulate"))
virg.add_argument("--machine",
help=_("The machine type to emulate"))
cli.add_old_feature_options(virg)
misc = parser.add_argument_group(_("Miscellaneous Options"))
misc.add_argument("--autostart", action="store_true", dest="autostart",
default=False,
help=_("Have domain autostart on host boot up."))
misc.add_argument("--wait", type=int, dest="wait",
help=_("Minutes to wait for install to complete."))
cli.add_misc_options(misc, prompt=True, printxml=True, printstep=True,
noreboot=True, dryrun=True)
return parser.parse_args()
###################
# main() handling #
###################
def main(conn=None):
cli.earlyLogging()
options = parse_args()
# Default setup options
options.quiet = options.xmlstep or options.xmlonly or options.quiet
cli.setupLogging("virt-install", options.debug, options.quiet)
check_cdrom_option_error(options)
if options.distro_variant == "list":
logging.debug("OS list requested")
for t in virtinst.osdict.list_os(list_types=True):
for v in virtinst.osdict.list_os(typename=t.name):
print "%-20s : %s" % (v.name, v.label)
return 0
cli.set_force(options.force)
cli.set_prompt(options.prompt)
parsermap = cli.build_parser_map(options)
if cli.check_option_introspection(options, parsermap):
return 0
if conn is None:
conn = cli.getConnection(options.connect)
if options.xmlstep not in [None, "1", "2", "3", "all"]:
fail(_("--print-step must be 1, 2, 3, or all"))
guest = build_guest_instance(conn, options, parsermap)
continue_inst = guest.get_continue_inst()
if options.xmlstep or options.xmlonly or options.dry:
xml = xml_to_print(guest, continue_inst,
options.xmlonly, options.xmlstep, options.dry)
if xml:
print_stdout(xml, do_force=True)
else:
start_install(guest, continue_inst, options)
return 0
if __name__ == "__main__":
try:
sys.exit(main())
except SystemExit, sys_e:
sys.exit(sys_e.code)
except KeyboardInterrupt:
logging.debug("", exc_info=True)
print_stderr(_("Installation aborted at user request"))
except Exception, main_e:
fail(main_e)