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On Wed, Jan 21, 2015 at 10:27 AM, Ihar Hrachyshka <ihrachys at redhat.com>
wrote:

>  On 01/20/2015 05:40 PM, Paul Michali wrote:
>
> Review https://review.openstack.org/#/c/146508/ is adding support for
> StrongSwan VPN, which needs mount bind to be able to specify different
> paths for config files.
>
>  The code, which used some older patch, does a test for /proc/1/ns/net,
> instead of /proc/1/ns/mnt, because it stated that the latter is only
> supported in kernel 3.8+. That was a while ago, and I'm wondering if the
> condition is still true.  If we know that for Kilo and on, we'll be dealing
> with 3.8+ kernels, we could use the more accurate test.
>
>  Can we require 3.8+ kernel for this?
>
>
> I think we can but it's better to check with distributions. Red Hat wise,
> we ship a kernel that is newer than 3.8.
>
>  If so, how and where do we ensure that is true?
>
>
> Ideally, you would implement a sanity check for the feature you need from
> the kernel. Though it opens a question of whether we want to ship multiple
> sanity check tools for each of repos (neutron + 3 *aas repos).
>
> If we can consolidate that and use a single tool from the master neutron
repository, that would be my vote.

>
>  Also, if you can kindly review the code here:
> https://review.openstack.org/#/c/146508/5/neutron_vpnaas/services/vpn/common/netns_wrapper.py,
> I'd really appreciate it, as I'm not versed in the Linux proc files at all.
>
>  Thanks!
>
>
>   PCM (Paul Michali)
>
>  IRC............ pc_m (irc.freenode.com)
> Twitter....... @pmichali
>
>
>
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