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Re: [libvirt] [PATCH/RFC] Add missing delta from Ubuntu to apparmor profiles



Hi Stefan,

any news on what follows? Now that Ubuntu 15.04 has been released,
perhaps you'll be able to allocate some cycles to it? :)

intrigeri wrote (11 Feb 2015 14:58:54 GMT) :
> Hi Stefan and others,

> Stefan Bader wrote (21 Oct 2014 11:50:24 GMT) :
>> On 20.10.2014 12:48, Stefan Bader wrote:
>>> On 19.10.2014 17:07, intrigeri wrote:
>>>> Cool, I've tested this. I've imported these two patches in Debian's
>>>> 1.2.9-3 quilt series, made the build system use dh-autoreconf (the
>>>> build system in the tarball wants aclocal 1.13, while Debian sid has
>>>> 1.14), and added a build-dep on libapparmor-dev to get the needed
>>>> pkg-config file.

> I've given a try to your last set of patches. Sorry for the delay.
> Here's what I did:

> 1. Checkout the Vcs-Git libvirt packaging repo for Debian unstable,
>    currently at 1.2.9-9
> 2. Make the build system use dh-autoreconf as previously
> 3. Added the build-dep on libapparmor-dev as previously
> 4. Hacked debian/rules to make examples/apparmor/profile-preprocess
>    (created by your patches) executable before it's executed.
>    This won't be needed anymore once the patches are upstreamed.
> 5. Build in a clean Debian unstable chroot, which now works.
>    Progress :)
> 6. Install the resulting binary packages on a sid system with
>    a working libvirt setup.
> 7. In /etc/libvirt/qemu.conf, set security_driver = "apparmor"
> 8. Restart libvirtd.
> 9. Start a VM with virsh or virt-manager

> => here's what I see:

>   error: Failed to start domain tails-dev
>   error: internal error: cannot load AppArmor profile 'libvirt-14dcf3fa-a4d5-4c5a-82ea-3f624b44c7ef'

> And the Journal says:

>   libvirtd[20351]: internal error: Child process (/usr/lib/libvirt/virt-aa-helper -p 0 -c -u libvirt-14dcf3fa-a4d5-4c5a-82ea-3f624b44c7ef) unexpected exit status 1: virt-aa-helper: error: template does not exist
>                    virt-aa-helper: error: could not create profile
>   libvirtd[20351]: internal error: cannot load AppArmor profile 'libvirt-14dcf3fa-a4d5-4c5a-82ea-3f624b44c7ef'

> So I naively tried to do it by hand:

>   $ virsh dumpxml tails-dev | sudo /usr/lib/libvirt/virt-aa-helper -p 0 -c -u libvirt-14dcf3fa-a4d5-4c5a-82ea-3f624b44c7ef 
>   virt-aa-helper: error: template does not exist
>   virt-aa-helper: error: could not create profile

> I do have a template in place:

>   $ cat /etc/apparmor.d/libvirt/TEMPLATE.qemu
>   #
>   # This profile is for the domain whose UUID matches this file.
>   #

>   #include <tunables/global>

>   profile LIBVIRT_TEMPLATE {
>     #include <abstractions/libvirt-qemu>
>   }

> What other information can I provide, or what else should I test?

> Also note that I had to add the following line to
> usr.lib.libvirt.virt-aa-helper, in order to silence an AppArmor denial
> log:

>   /etc/libnl-3/classid r,

> Should this be added to the upstream profile, as is or prefixed by
> "deny"?

> Cheers,

-- 
intrigeri


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