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[Octavia][kolla-ansible][kayobe] - network configuration knowledge gathering


Following up in IRC:
http://eavesdrop.openstack.org/irclogs/%23openstack-kolla/%23openstack-kolla.2020-10-05.log.html#t2020-10-05T06:44:47

On Mon, 5 Oct 2020 at 08:50, Tony Pearce <tonyppe at gmail.com> wrote:
>
> Hi all,
>
> Openstack version is Train
> Deployed via Kayobe
>
> I am trying to deploy octavia lbaas but hitting some blockers with regards to how this should be set up. I think the current issue is the lack of neutron bridge for the octavia network and I cannot locate how to achieve this from the documentation.
>
> I have this setup at the moment which I've added another layer 2 network provisioned to the controller and compute node, for running octavia lbaas:
>
> [Controller node]------------octavia network-----------[Compute node]
>
> However as there's no bridge, the octavia instance cannot connect to it. The exact error from the logs:
>
> 2020-10-05 14:37:34.070 6 INFO neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [-] Mapping physical network physnet3 to bridge broct
> 2020-10-05 14:37:34.070 6 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [-] Bridge broct for physical network physnet3 does not
>
> Bridge "broct" does exist but it's not a neutron bridge:
>
> [root at juc-kocon1-prd kolla]# brctl show
> bridge name     bridge id               STP enabled     interfaces
> brext           8000.001a4a16019a       no              eth5
>                                                         p-brext-phy
> broct           8000.001a4a160173       no              eth6
> docker0         8000.0242f5ed2aac       no
> [root at juc-kocon1-prd kolla]#
>
>
> I've been through the docs a few times but I am unable to locate this info. Most likely the information is there but I am unsure what I need to look for, hence missing it.
>
> Would any of you be able to help shed light on this or point me to the documentation?
>
> Thank you
>
> Tony Pearce
>