On Tue, 2018-08-14 at 08:18 +0200, Christian Ehrhardt wrote:
> Libvirt now tries to preserve all mounts under /dev in qemu
> namespaces.
> The old rules only listed a set of known paths but those are no more
> enough.
>
> I found some due to containers like /dev/.lxc/* and such but also
> /dev/console
> and /dev/net/tun.
>
> Libvirt is correct to do so, but we can no more predict the names
> properly, so
> we modify the rule to allow a wildcard based pattern matching what
> libvirt does.
>
> Signed-off-by: Christian Ehrhardt <christian.ehrhardt@xxxxxxxxxxxxx>
> ---
> examples/apparmor/usr.sbin.libvirtd | 16 +++++-----------
> 1 file changed, 5 insertions(+), 11 deletions(-)
>
> diff --git a/examples/apparmor/usr.sbin.libvirtd
> b/examples/apparmor/usr.sbin.libvirtd
> index 3ff43c32a2..8625862ced 100644
> --- a/examples/apparmor/usr.sbin.libvirtd
> +++ b/examples/apparmor/usr.sbin.libvirtd
> @@ -33,17 +33,11 @@
> mount options=(rw,rslave) -> /,
> mount options=(rw, nosuid) -> /{var/,}run/libvirt/qemu/*.dev/,
>
> - mount options=(rw, move) /dev/ ->
> /{var/,}run/libvirt/qemu/*.dev/,
> - mount options=(rw, move) /dev/hugepages/ ->
> /{var/,}run/libvirt/qemu/*.hugepages/,
> - mount options=(rw, move) /dev/mqueue/ ->
> /{var/,}run/libvirt/qemu/*.mqueue/,
> - mount options=(rw, move) /dev/pts/ ->
> /{var/,}run/libvirt/qemu/*.pts/,
> - mount options=(rw, move) /dev/shm/ ->
> /{var/,}run/libvirt/qemu/*.shm/,
> -
> - mount options=(rw, move) /{var/,}run/libvirt/qemu/*.dev/ ->
> /dev/,
> - mount options=(rw, move) /{var/,}run/libvirt/qemu/*.hugepages/ ->
> /dev/hugepages/,
> - mount options=(rw, move) /{var/,}run/libvirt/qemu/*.mqueue/ ->
> /dev/mqueue/,
> - mount options=(rw, move) /{var/,}run/libvirt/qemu/*.pts/ ->
> /dev/pts/,
> - mount options=(rw, move) /{var/,}run/libvirt/qemu/*.shm/ ->
> /dev/shm/,
> + # libvirt provides any mounts under /dev to qemu namespaces
> + mount options=(rw, move) /dev/ -> /{var/,}run/libvirt/qemu/*.dev/,
> + mount options=(rw, move) /dev/** ->
> /{var/,}run/libvirt/qemu/*{/,},
> + mount options=(rw, move) /{var/,}run/libvirt/qemu/*.dev/ -> /dev/,
> + mount options=(rw, move) /{var/,}run/libvirt/qemu/*{/,} ->
> /dev/**,
+1 for the rules. Please change '{var/,}' to '{,var/}' and '{/,}' to
'{,/}' since, while equivalent, the latter is a more widely use rule
style (I recognize that the previous rules used '{var/,}').
--
Jamie Strandboge | http://www.canonical.comAttachment:
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