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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 1784037991 virsh: improve blockcopy UI 
Peter's review of an early version of my addition of active block
commit pointed out some issues that I was copying from the block
copy code; fix them up now before perpetuating them.

For virsh commands that manage a single API call, it's nice to have
a 1:1 mapping of options to flags, so that we can test that
lower-layer software handles flag combinations correctly.  But where
virsh is introducing syntactic sugar to combine multiple API calls
into a single user interface, we might as well make that interface
compact.  That is, we should allow the shorter command-line of
'blockcopy $dom $disk --pivot' without having to explicitly specify
--wait, because this isn't directly a flag passed to a single
underlying API call.

Also, my use of embedded ?: ternaries bordered on unreadable.

* tools/virsh-domain.c (cmdBlockCopy): Make --pivot, --finish,
and --timeout imply --wait. Drop excess ?: operators.
* tools/virsh.pod (blockcopy): Update documentation.

Signed-off-by: Eric Blake <eblake@redhat.com>
2014-06-12 14:41:40 -06:00
.gnulib@d55899fd2c maint: detect VPATH builds when checking for gnulib update 2014-06-04 16:06:55 -06:00
build-aux Require spaces around equality comparisons 2014-03-18 11:29:44 +01:00
daemon Don't use AI_ADDRCONFIG when binding to wildcard addresses 2014-06-02 17:12:01 +02:00
docs node_device: Expose link state & speed 2014-06-11 10:59:39 +02:00
examples Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include blockcommit: document semantics of committing active layer 2014-06-10 11:11:16 -06:00
m4 build: prefer -fstack-protector-strong to -all 2014-06-12 08:16:03 +02:00
po Add vbox_snapshot_conf struct 2014-06-10 15:07:36 +01:00
src virNodeDevCapPCIDevParseXML: Initialize numa_node variable 2014-06-12 17:18:29 +02:00
tests virsh: forbid negative vcpu argument to vcpupin 2014-06-12 14:06:21 +02:00
tools virsh: improve blockcopy UI 2014-06-12 14:41:40 -06:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add Roman Bogorodskiy to the committers list 2014-02-20 20:51:08 +04:00
autobuild.sh Disable libvirtd by default when building on Win32 2014-04-29 11:30:32 +01:00
autogen.sh maint: detect VPATH builds when checking for gnulib update 2014-06-04 16:06:55 -06:00
bootstrap maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
bootstrap.conf Add helpers for getting env vars in a setuid environment 2013-10-21 14:03:52 +01:00
cfg.mk maint: exempt graphic binaries from syntax check 2014-06-11 08:41:37 -06:00
ChangeLog-old Fix typos in src/* 2014-04-21 16:49:08 -06:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac Bump version to 1.2.6 for new dev cycle 2014-06-02 09:53:30 +08:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING docs: fix a typo in hacking.html.in 2014-06-10 08:53:03 -06:00
libvirt.pc.in Add missing 'libvirt_lxc_api' variable in pkg-config file 2013-09-04 14:52:40 +01:00
libvirt.spec.in Add helper program to create custom leases 2014-06-02 11:45:10 +01:00
Makefile.am Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in conf: create common storage RNG grammar file 2014-04-14 07:07:01 -06:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking docs: update README-hacking 2014-05-06 16:20:24 -06:00
run.in Use virFileFindResource to locate virtlockd daemon 2014-04-28 13:30:41 +01:00
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>