Re: [libvirt] Problem with the current svirt patch

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On Fri, Mar 13, 2009 at 11:03:26AM -0400, Daniel J Walsh wrote:
> The current svirt patch relabels all disk to the image_t:MCS, which is 
> incorrect.  Read Only Disks and Sharable Disks should not be labeled.
> 
> Also when libvirt is completed running the image it needs to relabel the 
> image back to something sane.  Right now it is labeling everything
> imagelabel:s0, including phisical disk partitions.  I considered two 
> ways of labeling the "disk" back.  We can either grab the label when 
> libvirt starts and change it back to this label when ever an image 
> completes or we can ask the system what the label should be. 
> (matcpathcon).  I originally coded up the first, but quickly realized if 
> anything went wrong with libvirt labeling like a crash, the labels on 
> disk could be wrong.  And libvirt would continuously set them to this 
> wrong label.  With matchpathcon, libvirt will at least set them to 
> something sane.
> 
> So this patch Removes labeling of readonly and shared disks and restores 
> the images label to the system default when the image completes.
> 
> I would really like to get this in ASAP.  Since currently libvirt is 
> relabeing the cdrom to virt_image_t when it is complete as well as 
> physical disks.

ACK this all looks sane to me.

Daniel
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