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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.
8a7b4be5ab
(suggested by Daniel Berrange, tested by Dan Kenigsberg) virStorageFileGetMetadata will fail for disk images that are stored on a root-squash NFS share that isn't world-readable. SELinuxSetSecurityImageLabel is called during the startup of every domain (as long as security_driver != "none"), and it will propogate the error from virStorageFileGetMetadata, causing the domain startup to fail. This is, however, a common scenario when qemu is run as a non-root user and the disk image is stored on NFS. Ignoring this failure (which doesn't matter in this case, since the next thing done by SELinuxSetSecurityImageLabel - setting the file context - will also fail (and that function already ignores failures due to root-squash NFS) will allow us to continue bringing up the domain. The result is that we don't need to disable the entire security driver just because a domain's disk image is stored on root-squashed NFS. |
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.gnulib@4f01268d0c | ||
build-aux | ||
daemon | ||
docs | ||
examples | ||
include | ||
m4 | ||
po | ||
proxy | ||
python | ||
src | ||
tests | ||
tools | ||
.gitignore | ||
.gitmodules | ||
.hgignore | ||
.x-sc_avoid_ctype_macros | ||
.x-sc_avoid_if_before_free | ||
.x-sc_avoid_write | ||
.x-sc_m4_quote_check | ||
.x-sc_prohibit_asprintf | ||
.x-sc_prohibit_gethostby | ||
.x-sc_prohibit_gethostname | ||
.x-sc_prohibit_have_config_h | ||
.x-sc_prohibit_HAVE_MBRTOWC | ||
.x-sc_prohibit_nonreentrant | ||
.x-sc_prohibit_readlink | ||
.x-sc_prohibit_strcmp | ||
.x-sc_prohibit_strcmp_and_strncmp | ||
.x-sc_prohibit_strncpy | ||
.x-sc_prohibit_VIR_ERR_NO_MEMORY | ||
.x-sc_require_config_h | ||
.x-sc_require_config_h_first | ||
.x-sc_trailing_blank | ||
acinclude.m4 | ||
AUTHORS | ||
autobuild.sh | ||
autogen.sh | ||
bootstrap | ||
bootstrap.conf | ||
cfg.mk | ||
ChangeLog-old | ||
configure.ac | ||
COPYING.LIB | ||
HACKING | ||
libvirt.pc.in | ||
libvirt.spec.in | ||
Makefile.am | ||
Makefile.nonreentrant | ||
mingw32-libvirt.spec.in | ||
README | ||
README-hacking | ||
TODO |
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>