On 08/02/2012 11:59 AM, Nathan Fisher wrote:
> Hi,
> 
> Previously using Ubuntu 11.10, upgraded to 12.04.  Under 12.04, NFS
> shares no longer function due to AppArmor constraints on the mount command.
> 
> What is the prescribed best practise to mount NFS shares within a Guest
> that will minimise maintenance with future Ubuntu updates for 12.04?
> 
> I see three options at the moment;
> 
> 1) Mount within the host.

That might not work because of the different mount namespaces.

> 2) Modify the AppArmor profile for lxc-containers (will this evolve
> within 12.04 LTS?)

That's certainly an option and we might be doing it by default as I
don't think nfs is really dangerous to mount.

> 3) Disable AppArmor.

That's obviously a pretty bad idea :)

4) Add the line to /var/lib/lxc/<container>/fstab instead of /etc/fstab
This will get lxc to mount it for you when creating the container. At
that point of the process, the apparmor profile shouldn't prevent it
from happening (though I haven't tested it).


> Are there any other options that I've missed?  Option 2 is the most
> desirable as it means the guest is self-contained and *somewhat*
> transportable between a cluster of hosts.
> 
> Thanks!
> 
> Nathan
> w: http://junctionbox.ca/


-- 
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com

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