271 lines
8.8 KiB
Python
Executable File
271 lines
8.8 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Copyright 2008, 2013 Red Hat, Inc.
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# Joey Boggs <jboggs@redhat.com>
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#
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# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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# Use is subject to license terms.
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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 os
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import logging
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import errno
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from optparse import OptionGroup
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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 virtconv.formats as formats
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import virtconv.vmcfg as vmcfg
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import virtconv.diskcfg as diskcfg
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def get_default_arch():
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arch = os.uname()[4]
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if arch == "x86_64":
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return "x86_64"
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return "i686"
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def parse_args():
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"""Parse and verify command line."""
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opts = cli.setupParser(
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"%prog [options] inputdir|input.vmx [outputdir|output.xml]",
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_("Convert from virtual machine descriptor format to another. The "
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"VM contents are not altered."))
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cong = OptionGroup(opts, "Conversion Options")
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cong.add_option("-i", "--input-format", dest="input_format",
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help=_("Input format, e.g. 'vmx'"))
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cong.add_option("-o", "--output-format", dest="output_format",
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default="virt-image",
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help=_("Output format, e.g. 'virt-image'"))
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cong.add_option("-D", "--disk-format", dest="disk_format",
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help=_("Output disk format"))
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opts.add_option_group(cong)
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virg = OptionGroup(opts, "Virtualization Type Options")
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virg.add_option("-v", "--hvm", action="store_true", dest="fullvirt",
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help=_("This guest should be a fully virtualized guest"))
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virg.add_option("-p", "--paravirt", action="store_true", dest="paravirt",
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help=_("This guest should be a paravirtualized guest"))
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opts.add_option_group(virg)
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cfgg = OptionGroup(opts, "Guest Configuration Options")
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cfgg.add_option("-a", "--arch", dest="arch",
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default=get_default_arch(),
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help=_("Machine Architecture Type (i686/x86_64/ppc)"))
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cli.add_distro_options(cfgg)
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cli.add_old_feature_options(cfgg)
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opts.add_option_group(cfgg)
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misc = OptionGroup(opts, "Miscellaneous Options")
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cli.add_misc_options(misc, dryrun=True)
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opts.add_option_group(misc)
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(options, args) = opts.parse_args()
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cli.setupLogging("virt-convert", options.debug, options.quiet)
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if len(args) < 1:
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opts.error(_("You need to provide an input VM definition"))
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if len(args) > 2:
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opts.error(_("Too many arguments provided"))
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if (options.disk_format and
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options.disk_format not in diskcfg.disk_formats()):
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opts.error(_("Unknown output disk format \"%s\"") % options.disk_format)
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if len(args) == 1:
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options.output_file = None
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options.output_dir = None
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if os.path.isdir(args[0]):
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options.output_dir = args[0]
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elif os.path.isdir(args[1]) or args[1].endswith("/"):
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options.output_file = None
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options.output_dir = args[1]
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else:
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options.output_file = args[1]
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options.output_dir = os.path.dirname(os.path.realpath(args[1]))
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if options.output_format not in formats.formats():
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opts.error(_("Unknown output format \"%s\")" % options.output_format))
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if options.output_format not in formats.output_formats():
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opts.error(_("No output handler for format \"%s\")"
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% options.output_format))
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if not os.access(args[0], os.R_OK):
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opts.error(_("Couldn't access input argument \"%s\"\n") % args[0])
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sys.exit(1)
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if not options.input_format:
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try:
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(args[0], options.input_format) = formats.find_input(args[0])
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except StandardError, e:
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opts.error(_("Couldn't determine input format for \"%s\": %s") %
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(args[0], e))
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sys.exit(1)
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if options.input_format not in formats.formats():
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opts.error(_("Unknown input format \"%s\")" % options.input_format))
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if options.input_format not in formats.input_formats():
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opts.error(_("No input handler for format \"%s\"")
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% options.input_format)
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if os.path.isdir(args[0]):
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(options.input_file, ignore) = formats.find_input(args[0],
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options.input_format)
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options.input_dir = args[0]
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else:
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options.input_file = args[0]
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options.input_dir = os.path.dirname(os.path.realpath(args[0]))
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return options
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def cleanup(msg, options, vmdef, paths):
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"""
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After failure, clean up anything we created.
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"""
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logging.error(msg)
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if options.dry:
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return
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try:
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for disk in vmdef.disks.values():
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disk.cleanup()
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paths.reverse()
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for path in paths:
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if os.path.isdir(path):
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os.rmdir(path)
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elif os.path.isfile(path):
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os.remove(path)
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except OSError, e:
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fail(_("Couldn't clean up output directory \"%s\": %s") %
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(options.output_dir, e.strerror))
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sys.exit(1)
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def main():
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cli.earlyLogging()
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options = parse_args()
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inp = formats.parser_by_name(options.input_format)
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outp = formats.parser_by_name(options.output_format)
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vmdef = None
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try:
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vmdef = inp.import_file(options.input_file)
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except IOError, e:
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fail(_("Couldn't import file \"%s\": %s") %
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(options.input_file, e.strerror))
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except Exception, e:
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fail(_("Couldn't import file \"%s\": %s") % (options.input_file, e))
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if options.paravirt:
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vmdef.type = vmcfg.VM_TYPE_PV
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else:
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vmdef.type = vmcfg.VM_TYPE_HVM
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vmdef.arch = options.arch
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cli.set_os_variant(vmdef, options.distro_type, options.distro_variant)
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vmdef.noapic = options.noapic
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vmdef.noacpi = options.noacpi
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clean = []
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unixname = vmdef.name.replace(" ", "-")
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if not options.output_dir:
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options.output_dir = unixname
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try:
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logging.debug("Creating directory %s", options.output_dir)
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if not options.dry:
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os.mkdir(options.output_dir)
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clean += [options.output_dir]
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except OSError, e:
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if (e.errno != errno.EEXIST):
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fail("Could not create directory %s: %s" %
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(options.output_dir, e.strerror))
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if not options.output_file:
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options.output_file = os.path.join(options.output_dir,
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"%s%s" % (unixname, outp.suffix))
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logging.debug("input_file: %s", options.input_file)
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logging.debug("input_dir: %s", options.input_dir)
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logging.debug("output_file: %s", options.output_file)
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logging.debug("output_dir: %s", options.output_dir)
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print_stdout(_("Generating output in '%(format)s' format to %(dir)s/") %
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{"format": options.output_format, "dir": options.output_dir})
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try:
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for d in vmdef.disks.values():
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dformat = options.disk_format
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if not dformat:
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if options.output_format == "vmx":
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dformat = "vmdk"
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else:
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dformat = "raw"
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if d.path and dformat != "none":
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print_stdout(_("Converting disk '%(path)s' to type "
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"%(format)s...") % {"path": d.path,
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"format": dformat})
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if not options.dry:
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d.convert(options.input_dir, options.output_dir, dformat)
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except OSError, e:
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cleanup(_("Couldn't convert disks: %s") % e.strerror,
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options, vmdef, clean)
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except RuntimeError, e:
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cleanup(_("Couldn't convert disks: %s") % e, options, vmdef, clean)
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try:
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output = outp.export(vmdef)
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logging.debug("Output VM config:\n%s", output)
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if not options.dry:
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outfile = open(options.output_file, "w")
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outfile.writelines(output)
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outfile.close()
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clean += [options.output_file]
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except ValueError, e:
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cleanup(_("Couldn't export to file \"%s\": %s") %
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(options.output_file, e), options, vmdef, clean)
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print_stdout("Done.")
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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(_("Aborted at user request"))
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except Exception, main_e:
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fail(main_e)
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