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'virsh lxc-enter-namespace' does not have a way to reflect exit status to the caller in single-command mode, but we might as well at least report the exit status. Prior to this patch, $ virsh -c lxc:/// lxc-enter-namespace shell /bin/sh 'exit 3'; echo $? 1 now it gives some details: $ virsh -c lxc:/// lxc-enter-namespace shell /bin/sh -c 'exit 3'; echo $? error: internal error: Child process (31557) unexpected exit status 3 1 Also useful: $ virsh -c lxc:/// lxc-enter-namespace shell /bin/sh -c 'kill $$'; echo $? error: internal error: Child process (31585) unexpected fatal signal 15 1 * tools/virsh-domain.c (cmdLxcEnterNamespace): Avoid magic numbers. Dispatch any error. * tools/virsh.pod: Document that non-zero exit status is collapsed. Signed-off-by: Eric Blake <eblake@redhat.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>