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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.
34a19dda1c
This patch is a partial resolution to the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=667756 (to complete the fix, an updated selinux-policy package is required, to add the policy that allows libvirt to set the context of a fifo, which was previously not allowed). Explanation : When an incoming migration is over a pipe (for example, if the image was compressed and is being fed through gzip, or was on a root-squash nfs server, so needed to be opened by a child process running as a different uid), qemu cannot read it unless the selinux context label for the pipe has been set properly. The solution is to check the fd used as the source of the migration just before passing it to qemu; if it's a fifo (implying that it's a pipe), we call the newly added virSecurityManagerSetFDLabel() function to set the context properly. |
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| AUTHORS | ||
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| ChangeLog-old | ||
| configure.ac | ||
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| HACKING | ||
| libvirt.pc.in | ||
| libvirt.spec.in | ||
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| mingw32-libvirt.spec.in | ||
| README | ||
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| 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>