Don't break existing loggers when ovirt.node.log is imported

Don't disable existing loggers when we initialize ours, so they
continue to work.

Change-Id: Ib91496239b8cc4c0096214127fa461e12b266dcb
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1080974
Signed-off-by: Ryan Barry <rbarry@redhat.com>
If booted from PXE, don't filter live devices

With other cases covered, stop filtering disks when we're PXE.
Assume that we're PXE if there's a BOOTIF argument, as this is
typically added by pxelinux and is not otherwise set

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=882846

Change-Id: I38c3316fcf7d9eb06f030b8ebc5319389278eca0
Signed-off-by: Ryan Barry <rbarry@redhat.com>
Don't silently fail ovirt-node-selinux %post

As commit message

Change-Id: Icab895d03945c896e53c60955ae62d36c148c429
Signed-off-by: Ryan Barry <rbarry@redhat.com>