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The pathname for the pipe for tunnelled migration is unresolvable. The libvirt apparmor driver therefore refuses access, causing migration to fail. If we can't resolve the path, the worst that can happen is that we should have given permission to the file but didn't. Otherwise (especially since this is a /proc/$$/fd/N file) the file is already open and libvirt won't be refused access by apparmor anyway. Also adjust virt-aa-helper to allow access to the *.tunnelmigrate.dest.name files. For more information, see https://launchpad.net/bugs/869553. Signed-off-by: Serge Hallyn <serge.hallyn@canonical.com>
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>