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189 lines
5.3 KiB
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189 lines
5.3 KiB
Plaintext
=head1 NAME
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guestfs-release-notes - libguestfs Release Notes
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=head1 RELEASE NOTES FOR LIBGUESTFS 1.48
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These are the release notes for libguestfs stable release 1.48.
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This describes the major changes since 1.46.
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Libguestfs 1.48.0 was released on B<14 March 2022>.
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=head2 Some features removed
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The following little used, experimental or unsafe features have been
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removed:
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"Libguestfs live" was an experimental feature that allowed you (in
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theory) to connect to an existing instance of the libguestfs daemon in
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a running guest. If you want to do this we recommend installing
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qemu-guest-agent in the guest instead and using the APIs provided by
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it. The related C<unix:> backend has been removed. The
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L<guestfish(1)> and L<guestmount(1)> I<--live> option now prints an
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error.
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The User-mode Linux (C<uml>) backend has been removed. It was an
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alternate hypervisor that could be used instead of qemu. It had many
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limitations including lack of network support, and lack of qemu native
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features like qcow2 or network-backed disks. In addition it was
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slower than KVM and particular features like bulk upload/download were
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painfully slow. Also the UML feature of Linux that it was based on
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often does not work.
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The 9pfs APIs C<guestfs_list_9p> and C<guestfs_mount_9p> have been
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deprecated and now return errors. This was related to an experimental
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feature for passing through host filesystems to the appliance. You
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had to hand-hack the qemu command line for this to work and it did not
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fit the libguestfs model very well.
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C<guestfs_add_drive> no longer supports hotplugging (adding a drive
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after launch), and C<guestfs_remove_drive> has been deprecated and now
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returns an error. Hotplugging was an unsuccessful feature which was
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complicated to implement and maintain, and was slow and insecure. It
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also only worked with the non-default libvirt backend, and was never
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implemented in the default "direct" backend.
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=head2 Language bindings
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Fix allocation and deallocation of string lists in golang bindings
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(Laszlo Ersek).
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Multiple fixes to the OCaml bindings: Fix warnings, move minimum
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version to OCaml 4.04, replace various deprecated OCaml features with
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modern OCaml features.
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Running C<make distclean> in the F<rust> directory now completely
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cleans the cargo temporary files.
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=head2 Inspection
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Fix inspection of modern Pardus GNU/Linux (Laszlo Ersek).
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Add support for Kylin (Laszlo Ersek).
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Add support for Rocky Linux (Neil Hanlon).
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Inspection of guests which use LUKS encryption on top of LVM logical
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volumes should now work (Laszlo Ersek).
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=head2 API
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=head3 New APIs
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No new APIs were added in libguestfs 1.48.
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=head3 Other API changes
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C<guestfs_list_9p> and C<guestfs_mount_9p> are deprecated and now
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return errors.
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C<guestfs_remove_drive> has been deprecated and now returns an error.
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In C<guestfs_xfs_admin> the C<lazycounter> parameter is deprecated
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because it is no longer supported in recent versions of XFS.
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Partition APIs now cope with the broken MBR partition tables created
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by dosfstools E<ge> 4.2 (Laszlo Ersek).
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In C<guestfs_md_create> the C<chunk> parameter should not be used with
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RAID 1. Previously it was allowed but ignored, but now it will give
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an error (Laszlo Ersek).
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=head2 Build changes
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Multiple compiler warnings fixed and/or analyzed and suppressed
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(Laszlo Ersek).
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Fix detection of optional Yara library using pkg-config instead of
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checking for library/header file (Laszlo Ersek).
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Update valgrind suppressions for glibc 2.35, OCaml 4.13 and libvirt
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7.7. C<make check-valgrind> works again.
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If using libvirt E<ge> 3.8.0, we now use E<lt>interfaceE<gt> to create
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the appliance network interface instead of adding qemu command line
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parameters (Laszlo Ersek).
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The L<guestfs-release-notes(1)> page was a broken link, but it has now
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been restored as a new page that links to the release notes from each
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stable release.
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=head2 Internals
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The libc API L<strerror_r(3)> is difficult to use correctly because of
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differing signatures in glibc and other libc. A wrapper
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C<guestfs_int_strerror> has been created to hide the differences.
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=head2 Bugs fixed
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=begin comment
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https_proxy= ./bugs-in-changelog.sh v1.46.0..
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=end comment
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=over 4
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=item L<https://bugzilla.redhat.com/2030709>
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[RFE] libguestfs: Add Rocky Linux support
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=item L<https://bugzilla.redhat.com/2030396>
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Fix usage of strerror_r which caused corrupted error messages
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=item L<https://bugzilla.redhat.com/2024022>
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xfs-admin: Cannot disable lazy-counters on V5 fs
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=item L<https://bugzilla.redhat.com/1995391>
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RFE: virt-inspector fails to detect the distro and applications on Kylin-Desktop-V10 image
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=item L<https://bugzilla.redhat.com/1993842>
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RFE: virt-inspector fails to detect the distro on Pardus-19.5 image
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=item L<https://bugzilla.redhat.com/1931821>
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work around mkfs.vfat writes corrupted filesystem/partition table when used on whole block device
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=item L<https://bugzilla.redhat.com/1451665>
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RFE: Virt-v2v can't convert the guest which has encrypted partition
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=back
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=head1 SEE ALSO
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L<guestfs-examples(1)>,
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L<guestfs-faq(1)>,
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L<guestfs-performance(1)>,
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L<guestfs-recipes(1)>,
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L<guestfs-testing(1)>,
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L<guestfs(3)>,
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L<guestfish(1)>,
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L<http://libguestfs.org/>
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=head1 AUTHORS
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=begin comment
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git shortlog -s v1.46.0..
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=end comment
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=over 4
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=item Laszlo Ersek
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=item Neil Hanlon
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=item Richard W.M. Jones
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=back
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=head1 COPYRIGHT
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Copyright (C) 2009-2023 Red Hat Inc.
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