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Thank you for creating these videos, they are great and certainly help my
understanding!

Michael...

On Tue, Aug 9, 2016 at 5:58 PM, Vasyl Saienko <vsaienko at mirantis.com> wrote:

> Hello Ironic'ers!
>
> We've recorded a demo that shows how static portgroup works at the moment:
>
> Flat network scenario: https://youtu.be/vBlH0ie6Lm4
> Multitenant network scenario: https://youtu.be/Kk5Cc_K1tV8
>
> Sincerely,
> Vasyl Saienko
>
> On Tue, Jul 19, 2016 at 3:30 PM, Vasyl Saienko <vsaienko at mirantis.com>
> wrote:
>
>> Hello Community,
>>
>> Current portgroup scenario is not fully clear for me. The related spec
>> [3] doesn't clearly describe it. And based on implementation [1] and [2] I
>> guess it should work in the following fashion for node with 3 NICs, where
>> eth1 and eth2 are members of Porgroup Po0/1
>>
>> Node network connection info:
>> eth1 (aa:bb:cc:dd:ee:f1) <---> Gig0/1
>> eth2 (aa:bb:cc:dd:ee:f2) <---> Gig0/2
>> eth3 (aa:bb:cc:dd:ee:f3) <---> Gig0/3
>>
>> For FLAT network scenario:
>> 1. Administrator enrol ironic node.
>> 2. Administrator creates a 3 ports for each interface, and a portgroup
>> that contains eth0 and eth1 ports.
>> 3. The ports Gig0/1 and Gig0/2 are added to portgroup Po0/1 manually on
>> the switch.
>> 4. When user request to boot an instance, Nova randomly picks interface
>> [2], it might be a portgroup or single NIC interface. Proposed change [1]
>> do not allow to specify what exactly network type we would like to use
>> single NIC or portgroup.
>>
>> For multitenancy case:
>> All looks the same, in addition administrator adds local_link_connection
>> information for each port (local_link_connection 'port_id' field is
>> 'Gig0/1' for eth1, 'Gig0/2' for eth2 and 'Gig0/3' for eth3, ). Ironic send
>> this information to Neutron who plugs ports to needed network.
>>
>> The same user-scenario is available at the moment without any changes to
>> Nova or Ironic. The difference is that administrator creates one port for
>> single interface eth3 with local_link_connection 'port_id'='Gig0/3',  and a
>> port that is a logical representation of portgroup (eth1 and eth2) with
>> local_link_connection 'port_id'='Po0/1'.
>>
>> Please let me know if I've missed something or misunderstood current
>> portgroup scenario.
>>
>> Reference:
>> [0] https://review.openstack.org/206163
>> [1] https://review.openstack.org/332177
>> [2] https://github.com/openstack/nova/blob/06c537fbe5bb4ac5a3012
>> 642c899df815872267c/nova/network/neutronv2/api.py#L270
>> [3] https://specs.openstack.org/openstack/ironic-specs/specs/not
>> -implemented/ironic-ml2-integration.html
>>
>
>
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>
-- 
Michael Davies   michael at the-davies.net
Rackspace Cloud Builders Australia
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