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Libvirt native C API and daemons
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John Ferlan 33188c9fcb Perform disk config validity checking for attach-device config
https://bugzilla.redhat.com/show_bug.cgi?id=1078126

Using 'virsh attach-device --config' (or --persistent) to attach a
file backed lun device will succeed; however, subsequent domain restarts
will result in failure because the configuration of a file backed lun
is not supported.

Although allowing 'illegal configurations' is something that can be
allowed, it may not be practical in this case. Generally, when attaching
a device to a domain means the domain must be running. A way around
this is using the --config (or --persistent) option. When an attach
is done to a running domain, a temporary configuration is modified
first followed by the live update. The live update will make a number
of disk validity checks when building the qemu command to attach the
disk. If any fail, then change is rejected.

Rather than allow a potentially illegal combination, adjust the code
in the configuration path to make the same checks as the running path
will make with respect to disk validity checks. This way we avoid
having the potential for some subsequent start/reboot to fail because
an illegal combination was allowed.

NB: The live path still checks the configuration since it is possible
to just do --live guest modification...
2014-08-21 07:06:35 -04:00
.gnulib@2d280742a9 build: fix gnulib build for mingw 2014-07-09 16:09:17 -06:00
build-aux maint: improve syntax check for space around = 2014-08-12 11:21:17 -06:00
daemon daemon: Fix driver registration ordering 2014-08-18 11:49:10 +02:00
docs hvsupport: Adapt to vbox driver rewrite 2014-08-20 18:17:07 +02:00
examples examples: test: Kill unsupported maxMemory element 2014-08-20 15:27:18 +02:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include storage: ZFS support 2014-08-12 19:40:20 +04:00
m4 build: prefer -fstack-protector-strong to -all 2014-06-12 08:16:03 +02:00
po src/xenconfig: move common parsing/formatting to xen_common 2014-08-18 20:47:38 -06:00
src Perform disk config validity checking for attach-device config 2014-08-21 07:06:35 -04:00
tests cleanup spaces between parentheses and braces 2014-08-20 14:50:21 +02:00
tools virsh: Don't print extra '-'s in error message for -k and -K options 2014-08-21 09:58:34 +02:00
.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 examples: Introduce domtop 2014-07-18 16:39:54 +02:00
.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 Added myself in AUTHORS.in 2014-07-23 16:23:46 +02:00
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 cleanup spaces between parentheses and braces 2014-08-20 14:50:21 +02:00
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 xen: rename xenxs to xenconfig 2014-08-18 20:36:24 -06:00
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 broken link in the HACKING page 2014-07-04 18:28:24 +02:00
libvirt-lxc.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt-qemu.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.spec.in build: force configure failed when perl is missing 2014-08-14 11:28:18 +02:00
Makefile.am examples: Introduce domtop 2014-07-18 16:39:54 +02:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in build: package .pc files for mingw64 2014-07-09 16:45:15 -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 Add PKG_CONFIG_PATH to run.in script. 2014-06-26 14:32:35 +01:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

         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>