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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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Eric Blake f609cb85ca snapshot: allow full domain xml in snapshot 
Just like VM saved state images (virsh save), snapshots MUST
track the inactive domain xml to detect any ABI incompatibilities.

The indentation is not perfect, but functionality comes before form.

Later patches will actually supply a full domain; for now, this
wires up the storage to support one, but doesn't ever generate one
in dumpxml output.

Happily, libvirt.c was already rejecting use of VIR_DOMAIN_XML_SECURE
from read-only connections, even though before this patch, there was
no information to be secured by the use of that flag.

And while we're at it, mark the libvirt snapshot metadata files
as internal-use only.

* src/libvirt.c (virDomainSnapshotGetXMLDesc): Document flag.
* src/conf/domain_conf.h (_virDomainSnapshotDef): Add member.
(virDomainSnapshotDefParseString, virDomainSnapshotDefFormat):
Update signature.
* src/conf/domain_conf.c (virDomainSnapshotDefFree): Clean up.
(virDomainSnapshotDefParseString): Optionally parse domain.
(virDomainSnapshotDefFormat): Output full domain.
* src/esx/esx_driver.c (esxDomainSnapshotCreateXML)
(esxDomainSnapshotGetXMLDesc): Update callers.
* src/vbox/vbox_tmpl.c (vboxDomainSnapshotCreateXML)
(vboxDomainSnapshotGetXMLDesc): Likewise.
* src/qemu/qemu_driver.c (qemuDomainSnapshotCreateXML)
(qemuDomainSnapshotLoad, qemuDomainSnapshotGetXMLDesc)
(qemuDomainSnapshotWriteMetadata): Likewise.
* docs/formatsnapshot.html.in: Rework doc example.
Based on a patch by Philipp Hahn.
2011-09-03 08:09:35 -06:00
.gnulib@a6b16b69fe build: fix compilation on mingw64 2011-08-19 07:20:10 -06:00
daemon libvirtd: create run dir when running at non-root user 2011-09-01 20:32:10 -06:00
docs snapshot: allow full domain xml in snapshot 2011-09-03 08:09:35 -06:00
examples snapshot: better events when starting paused 2011-09-02 10:00:06 -06:00
gnulib freebsd: Fix build problem due to picking up the wrong libvirt.h 2011-07-29 07:35:54 -06:00
include snapshot: prevent stranding snapshot data on domain destruction 2011-09-02 21:57:33 -06:00
m4 tests: Lower stack usage below 4096 bytes 2011-04-30 19:59:52 +02:00
po hyperv: Add basic driver for Microsoft Hyper-V 2011-08-26 17:52:55 +02:00
python Add public API for getting migration speed 2011-09-01 11:26:21 -06:00
src snapshot: allow full domain xml in snapshot 2011-09-03 08:09:35 -06:00
tests Learn to use spicevmc as a redirection type for usb-redir 2011-09-02 23:39:03 +08:00
tools snapshot: teach virsh about new undefine flags 2011-09-02 21:57:33 -06:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore hyperv: Add OpenWSMAN based client for the Hyper-V WMI API 2011-08-26 17:52:55 +02:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Change my email domain 2011-09-01 16:13:34 -06:00
AUTHORS libvirtd: create run dir when running at non-root user 2011-09-01 20:32:10 -06:00
autobuild.sh Remove the Open Nebula driver 2011-03-28 14:09:11 +01:00
autogen.sh build: avoid problems with autogen.sh runs from tarball 2011-02-12 06:28:28 -07:00
bootstrap build: fix compilation on mingw64 2011-08-19 07:20:10 -06:00
bootstrap.conf Add API for duplicating a socket/client file descriptor 2011-08-15 15:21:26 +02:00
cfg.mk hyperv: Add driver skeleton 2011-08-26 17:52:55 +02:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
configure.ac storage: Add mkfs and libblkid to build system 2011-09-02 21:16:50 +08:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING build: rename files.h to virfile.h 2011-07-21 10:34:51 -06:00
libvirt.pc.in * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in storage: Add mkfs and libblkid to build system 2011-09-02 21:16:50 +08:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in conf: put virtPortProfile struct / functions in a common location 2011-07-21 14:46:33 -04:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>