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On 01/20/2015 05:40 PM, Paul Michali wrote:<br>
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<div dir="ltr">Review <a moz-do-not-send="true"
href="https://review.openstack.org/#/c/146508/">https://review.openstack.org/#/c/146508/</a>
is adding support for StrongSwan VPN, which needs mount bind to
be able to specify different paths for config files.
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<div>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.</div>
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<div>Can we require 3.8+ kernel for this?</div>
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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.<br>
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<div>If so, how and where do we ensure that is true?</div>
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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).<br>
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<div>Also, if you can kindly review the code here: <a
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href="https://review.openstack.org/#/c/146508/5/neutron_vpnaas/services/vpn/common/netns_wrapper.py">https://review.openstack.org/#/c/146508/5/neutron_vpnaas/services/vpn/common/netns_wrapper.py</a>,
I'd really appreciate it, as I'm not versed in the Linux proc
files at all.</div>
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<div>Thanks!</div>
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<div dir="ltr">PCM (Paul Michali)</div>
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<div>IRC............ pc_m (<a moz-do-not-send="true"
href="http://irc.freenode.com" target="_blank">irc.freenode.com</a>)<br>
Twitter....... @pmichali</div>
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