Ubuntu Manpage: virt-v2v-in-place - Convert a guest to use KVM in-place

NAME

       virt-v2v-in-place - Convert a guest to use KVM in-place

SYNOPSIS

        virt-v2v-in-place -i disk [other -i* options]
                          [virt-customize options]
                          filename

        virt-v2v-in-place -i libvirt|libvirtxml [other -i* options]
                          [virt-customize options]
                          guest

DESCRIPTION

       Virt-v2v-in-place converts a single guest from a foreign hypervisor to run on KVM.  It
       does this conversion in place, modifying the original disk.

       This manual page only documents the differences between this tool and virt-v2v.  You
       should read virt-v2v(1) first.

   Selecting the input disk
       You normally run virt-v2v with one or more -i* options controlling the input mode.
       Virt-v2v-in-place can only convert guests stored in local files.

       This command will do an in-place conversion of filename.img:

        virt-v2v-in-place -i disk filename.img

       If the guest has been copied to local libvirt then:

        virt-v2v-in-place -i libvirt guest

EXAMPLES

OPTIONS

--help
Display help.

-b ...
--bridge ...
See --network below.

--block-driver virtio-blk
--block-driver virtio-scsi
When choosing a block driver for Windows guests, prefer "virtio-blk" or "virtio-scsi".
The default is "virtio-blk".

Note this has no effect for Linux guests at the moment. That may be added in future.

--colors
--colours
Use ANSI colour sequences to colourize messages. This is the default when the output
is a tty. If the output of the program is redirected to a file, ANSI colour sequences
are disabled unless you use this option.

--echo-keys
When prompting for keys and passphrases, virt-v2v normally turns echoing off so you
cannot see what you are typing. If you are not worried about Tempest attacks and
there is no one else in the room you can specify this flag to see what you are typing.

Note this options only applies to keys and passphrases for encrypted devices and
partitions, not for passwords used to connect to remote servers.

-i disk
Set the input method to disk.

In this mode you can read a virtual machine disk image with no metadata. virt-v2v
tries to guess the best default metadata. This is usually adequate but you can get
finer control (eg. of memory and vCPUs) by using -i libvirtxml instead. Only guests
that use a single disk can be imported this way.

-i libvirt
Set the input method to libvirt. This is the default.

In this mode you have to specify a libvirt guest name or UUID on the command line.
You may also specify a libvirt connection URI (see -ic).

-i libvirtxml
Set the input method to libvirtxml.

In this mode you have to pass a libvirt XML file on the command line. This file is
read in order to get metadata about the source guest (such as its name, amount of
memory), and also to locate the input disks. See "Minimal XML for -i libvirtxml
option" below.

-i local
This is the same as -i disk.

-ic libvirtURI
Specify a libvirt connection URI to use when reading the guest. This is only used
when -i libvirt.

Only local libvirt connections to locally stored disks can be used.

-if format
For -i disk only, this specifies the format of the input disk image. For other input
methods you should specify the input format in the metadata.

-io OPTION=VALUE
Set input option(s) related to the current input mode or transport. To display short
help on what options are available you can use:

virt-v2v-in-place -it disk -io "?"

-ip filename
Supply a file containing a password to be used when connecting to the source. If this
is omitted then the input hypervisor may ask for the password interactively. Note the
file should contain the whole password, without any trailing newline, and for security
the file should have mode 0600 so that others cannot read it.

--key SELECTOR
Specify a key for LUKS, to automatically open a LUKS device when using the inspection.

--key NAME:key:KEY_STRING
--key UUID:key:KEY_STRING
--key all:key:KEY_STRING
"NAME" is the libguestfs device name (eg. "/dev/sda1"). "UUID" is the device
UUID. "all" means try the key against any encrypted device.

Use the specified "KEY_STRING" as passphrase.

--key NAME:file:FILENAME
--key UUID:file:FILENAME
--key all:file:FILENAME
Read the passphrase from FILENAME.

--key NAME:clevis
--key UUID:clevis
--key all:clevis
Attempt passphrase-less unlocking for the device with Clevis, over the network.
Please refer to "ENCRYPTED DISKS" in guestfs(3) for more information on network-
bound disk encryption (NBDE).

Note that if any such option is present on the command line, QEMU user networking
will be automatically enabled for the libguestfs appliance.

--keys-from-stdin
Read key or passphrase parameters from stdin. The default is to try to read
passphrases from the user by opening /dev/tty.

If there are multiple encrypted devices then you may need to supply multiple keys on
stdin, one per line.

Note --keys-from-stdin only applies to keys and passphrases for encrypted devices and
partitions, not for passwords used to connect to remote servers.

--mac aa:bb:cc:dd:ee:ff:network:out
--mac aa:bb:cc:dd:ee:ff:bridge:out
Map source NIC MAC address to a network or bridge.

See "Networks and bridges" in virt-v2v(1).

--mac aa:bb:cc:dd:ee:ff:ip:ipaddr[,gw[,len[,ns,ns,...]]]
Force a particular interface (controlled by its MAC address) to have a static IP
address after boot.

The fields in the parameter are: "ipaddr" is the IP address. "gw" is the optional
gateway IP address. "len" is the subnet mask length (an integer). The final
parameters are zero or more nameserver IP addresses.

This option can be supplied zero or more times.

You only need to use this option for certain broken guests such as Windows which are
unable to preserve MAC to static IP address mappings automatically. You don't need to
use it if Windows is using DHCP. It is currently ignored for Linux guests since they
do not have this problem.

--machine-readable
--machine-readable=format
This option is used to make the output more machine friendly when being parsed by
other programs. See "Machine readable output" in virt-v2v(1).

-n in:out
-n out
--network in:out
--network out
-b in:out
-b out
--bridge in:out
--bridge out
Map network (or bridge) called "in" to network (or bridge) called "out". If no "in:"
prefix is given, all other networks (or bridges) are mapped to "out".

See "Networks and bridges" in virt-v2v(1).

--print-source
Print information about the source guest and stop. This option is useful when you are
setting up network and bridge maps. See "Networks and bridges" in virt-v2v(1).

-q
--quiet
This disables progress bars and other unnecessary output.

--root ask
--root single
--root first
--root /dev/sdX
--root /dev/VG/LV
Choose the root filesystem to be converted.

In the case where the virtual machine is dual-boot or multi-boot, or where the VM has
other filesystems that look like operating systems, this option can be used to select
the root filesystem (a.k.a. "C:" drive or /) of the operating system that is to be
converted. The Windows Recovery Console, certain attached DVD drives, and bugs in
libguestfs inspection heuristics, can make a guest look like a multi-boot operating
system.

The default in virt-v2v ≤ 0.7.1 was --root single, which causes virt-v2v to die if a
multi-boot operating system is found.

Since virt-v2v ≥ 0.7.2 the default is now --root ask: If the VM is found to be multi-
boot, then virt-v2v will stop and list the possible root filesystems and ask the user
which to use. This requires that virt-v2v is run interactively.

--root first means to choose the first root device in the case of a multi-boot
operating system. Since this is a heuristic, it may sometimes choose the wrong one.

You can also name a specific root device, eg. --root /dev/sda2 would mean to use the
second partition on the first hard drive. If the named root device does not exist or
was not detected as a root device, then virt-v2v will fail.

Note that there is a bug in grub which prevents it from successfully booting a
multiboot system if virtio is enabled. Grub is only able to boot an operating system
from the first virtio disk. Specifically, /boot must be on the first virtio disk, and
it cannot chainload an OS which is not in the first virtio disk.

-v
--verbose
Enable verbose messages for debugging.

-V
--version
Display version number and exit.

--wrap
Wrap error, warning, and informative messages. This is the default when the output is
a tty. If the output of the program is redirected to a file, wrapping is disabled
unless you use this option.

-x Enable tracing of libguestfs API calls.

Minimal XML for -i libvirtxml option
When using the -i libvirtxml option, you have to supply some libvirt XML. Writing this
from scratch is hard, so the template below is helpful.

Note this should only be used for testing and/or where you know what you're doing! If you
have libvirt metadata for the guest, always use that instead.

FILES

       Files used are the same as for virt-v2v.  See "FILES" in virt-v2v(1).

ENVIRONMENT VARIABLES

       Environment variables used are the same as for virt-v2v.  See "ENVIRONMENT VARIABLES" in
       virt-v2v(1).

AUTHORS

       Matthew Booth

       Cédric Bosdonnat

       Laszlo Ersek

       Tomáš Golembiovský

       Shahar Havivi

       Richard W.M. Jones

       Roman Kagan

       Mike Latimer

       Nir Soffer

       Pino Toscano

       Xiaodai Wang

       Ming Xie

       Tingting Zheng

COPYRIGHT

       Copyright (C) 2009-2022 Red Hat Inc.

LICENSE

       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.

BUGS

       To get a list of bugs against libguestfs, use this link:
       https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Virtualization+Tools

       To report a new bug against libguestfs, use this link:
       https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools

       When reporting a bug, please supply:

       •   The version of libguestfs.

       •   Where you got libguestfs (eg. which Linux distro, compiled from source, etc)

       •   Describe the bug accurately and give a way to reproduce it.

       •   Run libguestfs-test-tool(1) and paste the complete, unedited output into the bug
           report.