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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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Daniel P. Berrange 6510c97bf5 Add some missing hook functions 
A core use case of the hook scripts is to be able to do things
to a guest's network configuration. It is possible to hook into
the 'start' operation for a QEMU guest which runs just before
the guest is started. The TAP devices will exist at this point,
but the QEMU process will not. It can be desirable to have a
'started' hook too, which runs once QEMU has started.

If libvirtd is restarted it will re-populate firewall rules,
but there is no QEMU hook to trigger for existing domains.
This is solved with a 'reconnect' hook.

Finally, if attaching to an external QEMU process there needs
to be an 'attach' hook script.

This all also applies to the LXC driver

* docs/hooks.html.in: Document new operations
* src/util/hooks.c, src/util/hooks.c: Add 'started', 'reconnect'
  and 'attach' operations for QEMU. Add 'prepare', 'started',
  'release' and 'reconnect' operations for LXC
* src/lxc/lxc_driver.c: Add hooks for 'prepare', 'started',
  'release' and 'reconnect' operations
* src/qemu/qemu_process.c: Add hooks for 'started', 'reconnect'
  and 'reconnect' operations
2012-06-13 18:23:00 +01:00
.gnulib@77cef20220 build: update to latest gnulib 2012-05-29 08:43:55 -06:00
build-aux Autogenerate augeas test case from default config files 2012-05-28 11:07:12 +01:00
daemon Fix privileges on /var/run/libvirt directory 2012-06-11 15:57:12 +01:00
docs Add some missing hook functions 2012-06-13 18:23:00 +01:00
examples examples: add consolecallback example python script 2012-05-29 16:54:12 -06:00
gnulib build: fix fresh checkout on RHEL5 2012-04-19 17:11:43 -06:00
include snapshot: new query APIs 2012-06-11 10:43:03 -06:00
m4 maint: make it easier to copy FORTIFY_SOURCE snippet 2012-06-07 10:52:37 -06:00
po virsh: Switch from generated cmd*Edit commands to nongenerated 2012-06-02 10:40:51 +02:00
python python: fix snapshot listing bugs 2012-06-12 06:43:25 -06:00
src Add some missing hook functions 2012-06-13 18:23:00 +01:00
tests buf: support peeking at string contents 2012-06-11 09:21:27 -06:00
tools build: silence gettext warning 2012-06-12 21:46:36 -06:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore build: fix testing of augeas files in VPATH builds 2012-05-30 09:29:32 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: prune duplicate listings in AUTHORS 2012-02-03 09:56:45 -07:00
AUTHORS Update AUTHORS 2012-06-11 22:08:09 +08:00
autobuild.sh Enable all warnings permanently & default to -Werror for GIT builds 2012-03-27 17:08:06 +01:00
autogen.sh build: allow for local gnulib diffs 2011-11-09 09:03:33 -07:00
bootstrap build: update to latest gnulib 2012-05-29 08:43:55 -06:00
bootstrap.conf build: update to latest gnulib 2012-05-29 08:43:55 -06:00
cfg.mk build: fix sc_prohibit_readlink 2012-06-04 09:29:21 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac build: ensure storage driver is used 2012-06-06 12:16:07 +08:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document STREQ_NULLABLE and STRNEQ_NULLABLE 2011-10-06 16:50:38 +02:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Fix typo in RPM specfile 2012-06-12 15:54:56 +01:00
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 Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
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>