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#!/usr/bin/python
#
# Copyright 2008 Red Hat, Inc.
# Joey Boggs <jboggs@redhat.com>
#
# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# 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 os
import logging
import errno
from optparse import OptionGroup
import virtinst.cli as cli
from virtinst.cli import fail, print_stdout, print_stderr
import virtinst.util as util
import virtconv.formats as formats
import virtconv.vmcfg as vmcfg
import virtconv.diskcfg as diskcfg
cli.setupGettext()
def parse_args():
"""Parse and verify command line."""
usage = "%prog [options] inputdir|input.vmx [outputdir|output.xml]"
opts = cli.setupParser(usage)
cong = OptionGroup(opts, "Conversion Options")
cong.add_option("-i", "--input-format", dest="input_format",
help=_("Input format, e.g. 'vmx'"))
cong.add_option("-o", "--output-format", dest="output_format",
default="virt-image",
help=_("Output format, e.g. 'virt-image'"))
cong.add_option("-D", "--disk-format", dest="disk_format",
help=_("Output disk format"))
opts.add_option_group(cong)
virg = OptionGroup(opts, "Virtualization Type Options")
virg.add_option("-v", "--hvm", action="store_true", dest="fullvirt",
help=_("This guest should be a fully virtualized guest"))
virg.add_option("-p", "--paravirt", action="store_true", dest="paravirt",
help=_("This guest should be a paravirtualized guest"))
opts.add_option_group(virg)
cfgg = OptionGroup(opts, "Guest Configuration Options")
cfgg.add_option("-a", "--arch", dest="arch",
default=util.get_default_arch(),
help=_("Machine Architecture Type (i686/x86_64/ppc)"))
cfgg.add_option("", "--os-type", dest="os_type",
help=_("The OS type for fully virtualized guests, e.g. "
"'linux', 'unix', 'windows'"))
cfgg.add_option("", "--os-variant", dest="os_variant",
help=_("The OS variant for fully virtualized guests, e.g. "
"'fedora6', 'rhel5', 'solaris10', 'win2k', 'vista'"))
cfgg.add_option("", "--noapic", action="store_true", dest="noapic",
default=False,
help=_("Disables APIC for fully virtualized guest "
"(overrides value in os-type/os-variant db)"))
cfgg.add_option("", "--noacpi", action="store_true", dest="noacpi",
default=False,
help=_("Disables ACPI for fully virtualized guest "
"(overrides value in os-type/os-variant db)"))
opts.add_option_group(cfgg)
misc = OptionGroup(opts, "Miscellaneous Options")
misc.add_option("-q", "--quiet", action="store_true", dest="quiet",
help=_("Suppress non-error output"))
misc.add_option("-d", "--debug", action="store_true", dest="debug",
help=_("Print debugging information"))
misc.add_option("", "--dry-run", action="store_false", dest="nodry",
default=True,
help=_("Dry run, don't make any changes"))
opts.add_option_group(misc)
(options, args) = opts.parse_args()
cli.setupLogging("virt-convert", options.debug, options.quiet)
if len(args) < 1:
opts.error(_("You need to provide an input VM definition"))
if len(args) > 2:
opts.error(_("Too many arguments provided"))
if (options.disk_format and
options.disk_format not in diskcfg.disk_formats()):
opts.error(_("Unknown output disk format \"%s\"") % options.disk_format)
if len(args) == 1:
options.output_file = None
options.output_dir = None
if os.path.isdir(args[0]):
options.output_dir = args[0]
elif os.path.isdir(args[1]) or args[1].endswith("/"):
options.output_file = None
options.output_dir = args[1]
else:
options.output_file = args[1]
options.output_dir = os.path.dirname(os.path.realpath(args[1]))
if options.output_format not in formats.formats():
opts.error(_("Unknown output format \"%s\")" % options.output_format))
if options.output_format not in formats.output_formats():
opts.error(_("No output handler for format \"%s\")"
% options.output_format))
if not os.access(args[0], os.R_OK):
opts.error(_("Couldn't access input argument \"%s\"\n") % args[0])
sys.exit(1)
if not options.input_format:
try:
(args[0], options.input_format) = formats.find_input(args[0])
except StandardError, e:
opts.error(_("Couldn't determine input format for \"%s\": %s") %
(args[0], e))
sys.exit(1)
if options.input_format not in formats.formats():
opts.error(_("Unknown input format \"%s\")" % options.input_format))
if options.input_format not in formats.input_formats():
opts.error(_("No input handler for format \"%s\"")
% options.input_format)
if os.path.isdir(args[0]):
(options.input_file, ignore) = formats.find_input(args[0],
options.input_format)
options.input_dir = args[0]
else:
options.input_file = args[0]
options.input_dir = os.path.dirname(os.path.realpath(args[0]))
return options
def cleanup(msg, options, vmdef, paths):
"""
After failure, clean up anything we created.
"""
logging.error(msg)
if not options.nodry:
return
try:
for disk in vmdef.disks.values():
disk.cleanup()
paths.reverse()
for path in paths:
if os.path.isdir(path):
os.rmdir(path)
elif os.path.isfile(path):
os.remove(path)
except OSError, e:
fail(_("Couldn't clean up output directory \"%s\": %s") %
(options.output_dir, e.strerror))
sys.exit(1)
def main():
cli.earlyLogging()
options = parse_args()
inp = formats.parser_by_name(options.input_format)
outp = formats.parser_by_name(options.output_format)
vmdef = None
try:
vmdef = inp.import_file(options.input_file)
except IOError, e:
fail(_("Couldn't import file \"%s\": %s") %
(options.input_file, e.strerror))
except Exception, e:
fail(_("Couldn't import file \"%s\": %s") % (options.input_file, e))
if options.paravirt:
vmdef.type = vmcfg.VM_TYPE_PV
else:
vmdef.type = vmcfg.VM_TYPE_HVM
vmdef.arch = options.arch
vmdef.os_type = options.os_type
vmdef.os_variant = options.os_variant
vmdef.noapic = options.noapic
vmdef.noacpi = options.noacpi
clean = []
unixname = vmdef.name.replace(" ", "-")
if not options.output_dir:
options.output_dir = unixname
try:
logging.debug("Creating directory %s", options.output_dir)
if options.nodry:
os.mkdir(options.output_dir)
clean += [ options.output_dir ]
except OSError, e:
if (e.errno != errno.EEXIST):
fail("Could not create directory %s: %s",
(options.output_dir, e.strerror))
if not options.output_file:
options.output_file = os.path.join(options.output_dir,
"%s%s" % (unixname, outp.suffix))
logging.debug("input_file: %s", options.input_file)
logging.debug("input_dir: %s", options.input_dir)
logging.debug("output_file: %s", options.output_file)
logging.debug("output_dir: %s", options.output_dir)
print_stdout(_("Generating output in '%(format)s' format to %(dir)s/") %
{"format": options.output_format, "dir": options.output_dir})
try:
for d in vmdef.disks.values():
dformat = options.disk_format
if not dformat:
# VMDK disks on Solaris converted to vdisk by default
if (d.format == diskcfg.DISK_FORMAT_VMDK and
vmcfg.host() == "SunOS"):
dformat = "vdisk"
elif options.output_format == "vmx":
dformat = "vmdk"
else:
dformat = "raw"
if d.path and dformat != "none":
print_stdout(_("Converting disk '%(path)s' to type "
"%(format)s...") % {"path": d.path,
"format": dformat})
if options.nodry:
d.convert(options.input_dir, options.output_dir, dformat)
except OSError, e:
cleanup(_("Couldn't convert disks: %s") % e.strerror,
options, vmdef, clean)
except RuntimeError, e:
cleanup(_("Couldn't convert disks: %s") % e, options, vmdef, clean)
try:
output = outp.export(vmdef)
logging.debug("Output VM config:\n%s", output)
if options.nodry:
outfile = open(options.output_file, "w")
outfile.writelines(output)
outfile.close()
clean += [ options.output_file ]
except ValueError, e:
cleanup(_("Couldn't export to file \"%s\": %s") %
(options.output_file, e), options, vmdef, clean)
print_stdout("Done.")
return 0
if __name__ == "__main__":
try:
sys.exit(main())
except SystemExit, sys_e:
sys.exit(sys_e.code)
except KeyboardInterrupt:
print_stderr(_("Aborted at user request"))
except Exception, main_e:
fail(main_e)
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