I'm pleased to announce libguestfs 1.30, a library and set of tools
for accessing and modifying virtual machine disk images.
This release took 9 months of work by a considerable number of people,
and has many new features (see release notes below).
You can get libguestfs 1.30 here:
Main website: http://libguestfs.org/
Source: http://libguestfs.org/download/1.30-stable/
You will also need latest supermin from here:
http://libguestfs.org/download/supermin/
Fedora 22+: http://koji.fedoraproject.org/koji/packageinfo?packageID=8391
It will appear as an update for F22/F23 in about a week.
Debian/experimental coming soon, see:
https://packages.debian.org/experimental/libguestfs0
[ From http://libguestfs.org/guestfs-release-notes.1.html ]
NAME
guestfs-release-notes - libguestfs Release Notes
RELEASE NOTES FOR LIBGUESTFS 1.30
These release notes only cover the differences from the previous
stable/dev branch split (1.28.0). For detailed changelogs, please see
the git repository, or the ChangeLog file distributed in the tarball.
New features
New tools
virt-dib(1) is a secure and safe alternative to the OpenStack
"diskimage-builder" tool. It is compatible with diskimage-builder
elements. (Pino Toscano)
virt-get-kernel(1) extracts the kernel and ramdisk from a disk image.
Previously this functionality was part of virt-builder(1), but the new
tool is more featureful. (Pino Toscano)
New features in existing tools
virt-v2v(1) -i ova mode can now read a wider range of OVA files, and
also unpacked files (directories).
virt-v2v now securely passes options to curl, so passwords, cookies and
so on cannot be seen by users with shell access on the same machine.
virt-v2v has a new --password-file option to allow you to securely pass
in a password, and to avoid an interactive prompt.
virt-v2v disables Windows autoreboot, making debugging conversion
failures on Windows easier.
virt-v2v now comes with an extensive external test suite. See
virt-v2v-test-harness(1).
virt-v2v allows virtio drivers to come from any location (Roman Kagan),
and drivers can be read directly from the virtio ISO.
virt-v2v supports conversion of Windows ≥ 8. Note this is experimental,
and possibly broken. Use with caution.
virt-v2v can now convert UEFI guests.
virt-p2v(1) adds a network configuration dialog.
virt-p2v now has p2v.pre, p2v.post and p2v.fail triggers, allowing
arbitrary scripts for preparing the host for conversion and tidying up
post-conversion.
virt-p2v now uses the more advanced metacity window manager (instead of
matchbox).
virt-sysprep(1) will remove /var/spool/mail/username for non-root
accounts (Hu Tao).
virt-customize(1), virt-builder(1) and virt-sysprep have the following
new options:
--commands-from-file
allow long lists of commands to be read from a file instead of from
the command line (Pino Toscano)
--copy
copy files inside the guest (Maros Zatko)
--copy-in
copy host files recursively into the guest (Pino Toscano)
--move
move files inside the guest (Maros Zatko)
--ssh-inject
inject SSH keys into a guest (Pino Toscano)
--sm-attach
--sm-credentials
--sm-register
--sm-remove
--sm-unregister
register and unregister a guest from subscription-manager (Pino
Toscano)
--touch
touch a file in the guest (Pino Toscano)
--truncate
--truncate-recursive
truncate files (Maros Zatko)
Improvements to virt-customize firstboot support. In particular,
Windows firstboot should work as well as Linux (Roman Kagan).
virt-df(1) can now use PolicyKit, SASL and other authentication methods
when getting the list of domains from libvirt.
Improvements to guestfish bash completion (Pino Toscano).
Bash completion now completes short options as well as long options
(Pino Toscano).
guestfish(1) now displays a command synopsis if the number of
parameters given to a command is wrong (Hu Tao).
virt-builder now supports Red Hat Enterprise Linux versions back to
RHEL 3.
virt-builder supports SUSE guests using zypper (Cédric Bosdonnat).
Language bindings
The Java bindings now include validated Javadoc, and other improvements
(Pino Toscano).
Multiple fixes and improvements to the PHP bindings (Pino Toscano).
Inspection
Inspection can now get icons from RHEL 7 and CentOS 7.
/etc/favicon.png is now allowed to be a symbolic link.
For RPM-based guests, inspection now returns RPM Epoch fields.
Debian packages now have separate Epoch and Version fields (Nikos
Skalkotos).
OpenBSD detection added, FreeBSD and NetBSD added as separate
"distros", and other BSD inspection improvements and bug fixes
(Nikos
Skalkotos).
CoreOS detection added (Nikos Skalkotos).
The package manager in Fedora ≥ 22 is dnf.
ReactOS guests can be inspected (Maros Zatko).
Add support for UEFI guests.
Inspection now works when kernel modules are gzip or xz compressed
(Pino Toscano).
Inspection now recognizes ppc64 and ppc64le guests (Maros Zatko).
Inspection lists the installed applications on Archlinux guests (Nikos
Skalkotos).
Architectures and platforms
PPC64 (POWER7) and PPC64LE (POWER8) architectures are now much better
supported, and should work out of the box.
For aarch64, we use AAVMF (an open source UEFI implementation based on
OVMF) if available to run the appliance.
For armv7, we now use the -M virt machine type by default.
There is better support for compiling on non-Linux platforms (Pino
Toscano, Margaret Lewicka).
Libguestfs should now work on MIPS 32 bit little endian
("mipsel"). I
have not been able to try 64 bit or big endian.
Security
CVE-2014-8484
CVE-2014-8485
Libguestfs previously ran the strings(1) utility on untrusted files.
Strings could parse BFD headers in an unsafe way, leading to possible
arbitrary code execution. Libguestfs now runs strings with a flag to
ensure it does not try to parse BFD headers. This could have led to
exploitation of the libguestfs appliance, but since libguestfs
further constrains the appliance through virtualization, SELinux and
other techniques, it was unlikely to have caused any privilege
escalation on the host.
XPath injection in virt-v2v
One possible XPath injection vulnerability was fixed in virt-v2v.
This might have allowed a malicious guest which was being converted
by virt-v2v to construct an arbitrary XPath expression which would
have been evaluated on the host (by the libxml2 library linked to the
virt-v2v binary). It is not clear what the effects of this might be.
For further information, see upstream commit
https://github.com/libguestfs/libguestfs/commit/6c6ce85f94c36803fe2db35a98db436bff0c14b0
Denial of service problems when using qemu-img info
When using the American Fuzzy Lop fuzzer (afl-fuzz) on the qemu-img
info command, Richard W.M. Jones found that certain files can cause
the qemu-img program to use lots of memory and time (for example 6GB
of heap and 14 seconds of CPU time on a fast Intel processor), and in
some cases to crash. Since libguestfs may run qemu-img info on disk
images to find out what they contain, this transitively could cause
libguestfs to hang or consume lots of memory.
Libguestfs was modified so that it uses resource limits to limit the
space and time used by qemu-img info, to avoid this problem. If a
malicious user tries to pass one of these disk images to libguestfs,
qemu-img will crash and the crash is reported back to libguestfs
callers as an error message.
API
New APIs
guestfs_add_libvirt_dom
This exposes a previously private API that allows you to pass a
virDomainPtr object directly from libvirt to libguestfs.
guestfs_blockdev_setra
Adjust readahead parameter for devices. See blockdev --setra command.
guestfs_btrfs_balance
guestfs_btrfs_balance_cancel
guestfs_btrfs_balance_pause
guestfs_btrfs_balance_resume
guestfs_btrfs_balance_status
Balance support for Btrfs filesystems (Hu Tao).
guestfs_btrfs_filesystem_defragment
Filesystem defragmentation support for Btrfs filesystems (Hu Tao).
guestfs_btrfs_image
Create an image of a Btrfs filesystem (Chen Hanxiao)
guestfs_btrfs_qgroup_assign
guestfs_btrfs_qgroup_create
guestfs_btrfs_qgroup_destroy
guestfs_btrfs_qgroup_limit
guestfs_btrfs_qgroup_remove
guestfs_btrfs_qgroup_show
guestfs_btrfs_quota_enable
guestfs_btrfs_quota_rescan
Quote support for Btrfs filesystems (Hu Tao).
guestfs_btrfs_rescue_chunk_recover
Scan and recover the chunk tree in Btrfs filesystems (Hu Tao).
guestfs_btrfs_rescue_super_recover
Restore superblocks in Btrfs filesystems (Hu Tao).
guestfs_btrfs_replace
Replace a device in a Btrfs filesystem (Cao Jin).
guestfs_btrfs_scrub
guestfs_btrfs_scrub_cancel
guestfs_btrfs_scrub_resume
guestfs_btrfs_scrub_status
Scrub a Btrfs filesystem (Hu Tao).
guestfs_btrfs_subvolume_get_default
Get the default subvolume of a Btrfs filesystem (Hu Tao).
guestfs_btrfs_subvolume_show
List detailed information about the subvolume of a Btrfs filesystem
(Hu Tao).
guestfs_btrfstune_enable_extended_inode_refs
guestfs_btrfstune_enable_skinny_metadata_extent_refs
guestfs_btrfstune_seeding
Various tuning parameters for Btrfs filesystems (Chen Hanxiao).
guestfs_c_pointer
Return the C pointer to the underlying guestfs_h *. This allows
interworking of libguestfs bindings with bindings from other
libraries. For further information see
https://bugzilla.redhat.com/1075164
guestfs_copy_in
guestfs_copy_out
Flexible APIs for recursively copying directories of files between
the host and guest filesystem. Previously these were available only
as guestfish commands, but now any API users can call them (Pino
Toscano).
guestfs_part_get_gpt_guid
guestfs_part_set_gpt_guid
Get and set the GPT per-partition GUID.
guestfs_part_get_mbr_part_type
Get MBR partition type (Chen Hanxiao).
guestfs_set_uuid_random
Set the UUID of a filesystem to a randomly generated value; supported
filesystems currently are ext2/3/4, XFS, Btrfs, and swap partitions.
(Chen Hanxiao).
Other API changes
guestfs_disk_create can now use VMDK files as backing files.
guestfs_btrfs_subvolume_snapshot takes extra optional parameters (all
added by Hu Tao):
ro
for creating a read-only Btrfs snapshot
qgroupid
for adding the snapshot to a qgroup
guestfs_btrfs_subvolume_create can also take the optional qgroupid
parameter (Hu Tao).
guestfs_set_uuid can set UUID of swap partitions, Btrfs (Hu Tao, Chen
Hanxiao).
guestfs_copy_device_to_file and guestfs_copy_file_to_file have a new
optional append parameter, allowing you to append to the output file
instead of truncating it.
guestfs_mkfs has a new optional label parameter to set the initial
label of the new filesystem (Pino Toscano).
guestfs_set_label and guestfs_set_uuid now set ENOTSUP as errno when
there is no implemented support for the filesystem of the specified
mountable (Chen Hanxiao).
Environment variables now let you write LIBGUESTFS_DEBUG=true,
LIBGUESTFS_DEBUG=0 and so on.
All guestfs_sfdisk* APIs have been deprecated. Because sfdisk(8) was
rewritten, incompatibly, upstream, we don't recommend using these APIs
in future code. Use the guestfs_part* APIs as replacements.
APIs such as guestfs_download do not truncate /dev/stdout or
/dev/stderr when writing to them, meaning that if you redirect stdout
or stderr to a file, the file is no longer truncated.
Build changes
The daemon no longer uses its own separate copy of gnulib. Instead it
shares a single copy with the library.
OCaml .annot files are now created, so IDEs and editors like emacs and
vi can browse OCaml types in the source code.
Various fixes to allow different host/appliance architecture builds
(Pino Toscano).
Automake is now used directly to build all the OCaml programs, instead
of ad hoc Makefile rules. One side effect of this is to enable warnings
in all the C code used by OCaml programs.
-fno-strict-overflow is used throughout the build to avoid dubious GCC
optimizations.
Multiple cleanups to support GCC 5.
OCaml OUnit2 is needed to run some OCaml tests.
Creating a statically linked libguestfs.a should work again.
The src/api-support subdirectory and its scripts are no longer used.
Instead we store in the generator/actions.ml when the API was added to
libguestfs.
Internationalization
The translation service has changed from Transifex to Zanata.
Many more translations are available now, for both library and tools
messages and documentation.
Internals
In all OCaml tools, there are now common error, warning, info
functions, and common way to set and get the --quiet, -x (trace) and -v
(verbose) flags, and colour highlighting used consistently.
COMPILE_REGEXP macros are used to simplify PCRE constructors and
destructors.
In the generator, Pointer arguments have finally been implemented.
Internal identifiers no longer use double and triple underscores (eg.
guestfs___program_name). These identifiers are invalid for C99 and C++
programs, although compilers would accept them.
The daemon no longer parses guestfs_* options from /proc/cmdline.
Instead it only takes ordinary command line options. The appliance init
script turns /proc/cmdline into daemon command line options.
The tests can now run the daemon as a "captive process", allowing
it to
be run directly on the host. The main advantage of this is we can run
valgrind directly on the daemon during testing.
Bugs fixed
https://bugzilla.redhat.com/1239053
virt-v2v error reporting when grub.conf cannot be parsed by Augeas
https://bugzilla.redhat.com/1238053
v2v:Duplicate disk target set when convert guest with cdrom attached
https://bugzilla.redhat.com/1237869
Virtio drivers are not installed for windows 2008 guests by virt-v2v
https://bugzilla.redhat.com/1234351
virt-v2v Support for Fedora virtio-win drivers
https://bugzilla.redhat.com/1232192
Virt-v2v gives an error on a blank disk: part_get_parttype: unknown
signature, of the output: BYT;
https://bugzilla.redhat.com/1229385
virt-p2v in kernel command line mode should power off the machine
after conversion
https://bugzilla.redhat.com/1229340
virt-p2v no GUI mode appends \n to the final command line parameter
https://bugzilla.redhat.com/1229305
virt-sysprep at cleanup deletes /var/spool/at/.SEQ which results in
failing at
https://bugzilla.redhat.com/1226794
"Doing conversion……" still shows after cancel the conversion
from
virt-p2v client
https://bugzilla.redhat.com/1215042
Memory leak in virNetSocketNewConnectUNIX
https://bugzilla.redhat.com/1213324
virt-v2v: warning: unknown guest operating system: windows windows
6.3 when converting win8,win8.1,win2012,win2012R2 to rhev
https://bugzilla.redhat.com/1213247
virt tools should print the same format of version string
https://bugzilla.redhat.com/1212808
RFE: virt-builder --touch
https://bugzilla.redhat.com/1212807
virt-builder --selinux-relabel flag fails on cross-architecture
builds
https://bugzilla.redhat.com/1212680
RFE: virt-inspector xpath query should output a neat format of the
query element
https://bugzilla.redhat.com/1212152
virt-builder firstboot-command fails: File name too long
https://bugzilla.redhat.com/1211996
virt-inspector gives incorrect arch (ppc64) for ppc64le guest
https://bugzilla.redhat.com/1203817
RFE: virt-customize --move and --copy
https://bugzilla.redhat.com/1201526
index-parser can't parse systemd mount files properly
https://bugzilla.redhat.com/1196101
virt-builder --upload option doesn't work to a FAT partition
https://bugzilla.redhat.com/1196100
virt-builder -x option on its own does not enable tracing
https://bugzilla.redhat.com/1195204
`virt-builder` should create $HOME/.cache directory if it already
doesn't exist
https://bugzilla.redhat.com/1193237
Virt-builder fingerprint is required even when no check desired
https://bugzilla.redhat.com/1189284
virt-resize should preserve GPT partition UUIDs, else EFI guests
become unbootable
https://bugzilla.redhat.com/1188866
Performance regression in virt-builder when uncompressing image
https://bugzilla.redhat.com/1186800
virt-v2v should support gzip format ova as input
https://bugzilla.redhat.com/1185561
virt-sparsify should ignore read-only LVs
https://bugzilla.redhat.com/1182463
"mknod-b", "mknod-c", and "mkfifo" do not
strip non-permissions bits
from "mode"
https://bugzilla.redhat.com/1176493
virt-v2v ignores sound device when convert xen guest to local kvm
https://bugzilla.redhat.com/1175676
Typo error in 'help ping-daemon'
https://bugzilla.redhat.com/1175196
"parse-environment" and "parse-environment-list" fail
to parse
"LIBGUESTFS_TRACE = 0"
https://bugzilla.redhat.com/1175035
"is-blockdev"/"is-blockdev-opts" fail to detect
"/dev/sda"
https://bugzilla.redhat.com/1174280
RFE: Allow v2v conversion of Oracle Linux 5.8 VMware VM
https://bugzilla.redhat.com/1174200
New virt-v2v failure: CURL: Error opening file: NSS: client
certificate not found (nickname not specified): Invalid argument
https://bugzilla.redhat.com/1174123
Graphics password disappear after conversion of virt-v2v
https://bugzilla.redhat.com/1174073
The listen address for vnc is changed after conversion by virt-v2v
https://bugzilla.redhat.com/1171666
inspection thinks EFI partition is a separate operating system
https://bugzilla.redhat.com/1171130
virt-v2v conversion of RHEL 3 guest fails with: All of your loopback
devices are in use
https://bugzilla.redhat.com/1170685
Conversion of RHEL 4 guest fails: rpm -ql 1:kernel-utils-2.4-23.el4:
virt-v2v: error: libguestfs error: command_lines:
https://bugzilla.redhat.com/1170073
virt-v2v picks debug kernels over non-debug kernels when versions are
equal
https://bugzilla.redhat.com/1169045
virt-sparsify: libguestfs error: qemu-img info: 'virtual-size' is
not
representable as a 64 bit integer
https://bugzilla.redhat.com/1169015
virt-resize --expand fails on ubuntu-14.04.img image (regression)
https://bugzilla.redhat.com/1168144
warning: fstrim: fstrim: /sysroot/: FITRIM ioctl failed: Operation
not supported (ignored) when convert win2003 guest from xen server
https://bugzilla.redhat.com/1167921
p2v: No Network Connection dialog
https://bugzilla.redhat.com/1167774
virt-p2v fails with error:"nbd.c:nbd_receive_negotiate():L501: read
failed"
https://bugzilla.redhat.com/1167623
Remove "If reporting bugs, run virt-v2v with debugging enabled
.."
message when running virt-p2v
https://bugzilla.redhat.com/1167601
"Conversion was successful" pop out even virt-p2v fails
https://bugzilla.redhat.com/1167302
virt-v2v: warning: ova hard disk has no parent controller when
convert from a ova file
https://bugzilla.redhat.com/1166618
virt-resize should give out the detail warning info to let customers
know what's going wrong
https://bugzilla.redhat.com/1165975
File "/boot/grub2/device.map" showing is not right after
converting a
rhel7 guest from esx server
https://bugzilla.redhat.com/1165785
mount-loop command fails: mount failed: Unknown error -1
https://bugzilla.redhat.com/1165569
Disable "cancel conversion" button after virt-p2v conversion
finished
https://bugzilla.redhat.com/1165564
Provide Reboot/Shutdown button after virt-p2v
https://bugzilla.redhat.com/1164853
Booting in qemu found no volume groups and failed checking the
filesystems
https://bugzilla.redhat.com/1164732
The description of 'help append' is not accurately, it add the
kernel
options to libguestfs appliance not the guest kernel
https://bugzilla.redhat.com/1164697
typo errors in man pages
https://bugzilla.redhat.com/1164619
Inspect-get-icon failed on RHEL7 guest
https://bugzilla.redhat.com/1162966
xfs should also give a warning out to let customer know the
limitation
https://bugzilla.redhat.com/1161575
Failed to import guest with "rtl8139" nic to openstack server
after
converted by v2v
https://bugzilla.redhat.com/1159651
virt-sysprep firstboot script is not deleted if it reboot a RHEL 7
guest
https://bugzilla.redhat.com/1159258
esx win2008 32 bit guest fail to load after conversion because the
firmware isn't ACPI compatible
https://bugzilla.redhat.com/1159016
libvirt backend does not set RBD password
https://bugzilla.redhat.com/1158526
Use password file instead of process interaction
https://bugzilla.redhat.com/1157679
virt-p2v-make-disk should add firmwares
https://bugzilla.redhat.com/1156449
libguestfs FTBFS on f21 ppc64le
https://bugzilla.redhat.com/1156301
virt-inspector support adding a remote disk, but in its man page -a
URI / --add URI is missing
https://bugzilla.redhat.com/1155121
Virt-v2v will fail when using relative path for -i ova
https://bugzilla.redhat.com/1153844
Redundancy whitespace at the end of directory name when use <TAB> to
complete the directory name in guestfish with a xfs filesystem in
guest
https://bugzilla.redhat.com/1153589
virt-v2v will hang when converting esx guest before disk copy phase
https://bugzilla.redhat.com/1152998
virt-v2v / qemu-img fails on ova image
https://bugzilla.redhat.com/1151910
virt-ls should remove '/' in the output when specify the directory
name as /etc/
https://bugzilla.redhat.com/1151900
Should also add a field for directory files when run virt-ls with
--csv option
https://bugzilla.redhat.com/1151033
virt-v2v conversions from VMware vCenter server run slowly
https://bugzilla.redhat.com/1146832
virt-v2v fail to convert guest with disk type volume
https://bugzilla.redhat.com/1146007
Input/output error during conversion of esx guest.
https://bugzilla.redhat.com/1135585
[RFE] virt-builder should support copying in a directory/list of
files
https://bugzilla.redhat.com/1089566
[abrt] livecd-tools: kickstart.py:276:apply:IOError: [Errno 2] No
such file or directory:
'/run/media/jones/2tp001data/createlive/temp/imgcreate-_dX8Us/install_root/etc/rpm/macros.imgcreate'
https://bugzilla.redhat.com/1079625
virt-sparsify fails if a btrfs filesystem contains readonly snapshots
https://bugzilla.redhat.com/1075164
RFE: allow passing in a pre-opened libvirt connection from python
https://bugzilla.redhat.com/912499
Security context on image file gets reset
https://bugzilla.redhat.com/889082
[RFE] virt-v2v should check whether guest with same name exist on
target first then transfer the disk
https://bugzilla.redhat.com/855059
RFE: virt-p2v: display more information about network devices such as
topology, bonding, etc.
https://bugzilla.redhat.com/823758
p2v client should have largest number restrictions for CPU and Memory
settings
https://bugzilla.redhat.com/709327
hivex cannot read registry hives from ReactOS
https://bugzilla.redhat.com/709326
virt-inspector cannot detect ReactOS
https://bugzilla.redhat.com/119673
installation via NFS doesn't seem to work
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-builder quickly builds VMs from scratch
http://libguestfs.org/virt-builder.1.html
