<html><head></head><body>Hi Sean, Rodolfo,<br><br>Thanks for your answers.<br>I will try to do the patch next week so these parameters are included in the nova config sample and documentation.<br><br>About the isolated_vif params. It seems like a security enhancement to set it to True when using ovs? Do you confirm that?<br><br>Regards,<br>Arnaud<br><br><div class="gmail_quote">Le 4 mars 2022 18:57:40 GMT+01:00, Sean Mooney <smooney@redhat.com> a écrit :<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre dir="auto" class="k9mail">On Fri, 2022-03-04 at 18:33 +0100, Rodolfo Alonso Hernandez wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">Hi Arnaud:<br><br>Those parameters should be set in nova.conf, in the "os_vif_XXX" section<br>[1].<br><br>"network_device_mtu" is deprecated. The interface MTU is retrieved from the<br>network MTU. "ovs_vsctl_timeout" is deprecated too, we don't use vsctl<br>commands anymore.<br></blockquote>actully we do use vsctl at least in ci but it is deprecated.<br>we are currently using it in ci to workaround a bug in the ovs python bindings.<br><br>after the RC period is clear i might revert that since i think the ovs python bidnign are<br>fixed but im not sure they are fixed in ubuntu 20.04 so i dont want to regress the ci stablity<br>currently by reverting to the native bindings.<br><br><a href="https://review.opendev.org/c/openstack/devstack/+/796826">https://review.opendev.org/c/openstack/devstack/+/796826</a><br><br>ill update <a href="https://github.com/openstack/devstack/blob/master/lib/os-vif#L6">https://github.com/openstack/devstack/blob/master/lib/os-vif#L6</a> to native<br>once we are sure <a href="https://bugs.launchpad.net/os-vif/+bug/1929446">https://bugs.launchpad.net/os-vif/+bug/1929446</a> is fixed in the ovs python bindings.<br><br><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"><br>Maybe Nova folks can extend my answer.<br><br>Regards.<br><br>[1]<br><a href="https://github.com/openstack/nova/blob/50fdbc752a9ca9c31488140ef2997ed59d861a41/releasenotes/notes/libvirt-uses-os-vif-plugins-31a0617de0c248b9.yaml">https://github.com/openstack/nova/blob/50fdbc752a9ca9c31488140ef2997ed59d861a41/releasenotes/notes/libvirt-uses-os-vif-plugins-31a0617de0c248b9.yaml</a><br><br><br>On Fri, Mar 4, 2022 at 6:18 PM Arnaud Morin <arnaud.morin@gmail.com> wrote:<br><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;">Hey all,<br><br>When I take a look at [1], I can see some parameters, such as<br>network_device_mtu, isolate_vif, etc.<br><br>As far as I can tell, nova is using these params when plugging the port<br>in OVS (if using OVS as ml2 plugin of course).<br><br>But I cannot find the config params in the documentation: [2]<br><br>Am I missing something?<br><br>Cheers,<br>Arnaud.<br><br>[1] <a href="https://github.com/openstack/os-vif/blob/master/vif_plug_ovs/ovs.py">https://github.com/openstack/os-vif/blob/master/vif_plug_ovs/ovs.py</a><br>[2] <a href="https://docs.openstack.org/nova/latest/configuration/config.html">https://docs.openstack.org/nova/latest/configuration/config.html</a><br><br><br></blockquote></blockquote><br></pre></blockquote></div></body></html>