Hi Lajos,

In our RHOSP 17.1 OVN setup, we have observed that when executing 'openstack port show,' it does not display the 'bridge_name' information, showing only 'l2.

We also came across the below article about this issue. We want to know if it is the expected change with OVN with RHOSP.

We could see the reason behind removal of bridge_name is for trunk in OVN. If it is bug with Redhat, then we need to push them for which we need your expertise on this.

https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/ovn/db_migration.py

https://github.com/openstack/neutron/commit/569bafbbd5f90a458d781f1e49f099f96c363683#diff-3fb0e47430c01037fddef45c2ce7314f50a3df5ac41dbd604f9581d90f2985bb

Thanks & regards

Sivakumar V

From: Lajos Katona <katonalala@gmail.com>
Date: Thursday, 7 December 2023 at 2:54 PM
To: Mahudeeswaran Palanisamy <mahudeeswaran.palanisamy@gigamon.com>
Cc: Sivakumar Vedachalam <sivakumar.vedachalam@gigamon.com>, openstack-discuss@lists.openstack.org <openstack-discuss@lists.openstack.org>
Subject: Re: [Neutron] - Getting bridge_name of the port from Java sdk

Hi, I deployed OVN with devstack and everything was close to master (OpenstackSDK also). Lajos Mahudeeswaran Palanisamy <mahudeeswaran. palanisamy@ gigamon. com> ezt írta (időpont: 2023. dec. 7. , Cs, 1: 36): Many Thanks for the response,

Hi,

I deployed OVN with devstack and everything was close to master (OpenstackSDK also).

Lajos

Mahudeeswaran Palanisamy <mahudeeswaran.palanisamy@gigamon.com> ezt írta (időpont: 2023. dec. 7., Cs, 1:36):

Many Thanks for the response, Lajos.

We see this issue particularly on the OVN setup deployed from RedHat. We are using “Red Hat OpenStack Platform release 17.1.1 (Wallaby)”. I believe the below setup is OVS based, in which we were also able to see the bridge name in the dictionary. This is specific to OVN setup.

Also please let us know the details about the SDK you have tested.

[stack@chndirector ~]$ cat /etc/rhosp-release

Red Hat OpenStack Platform release 17.1.1 (Wallaby)

Adding @Sivakumar Vedachalam.

Regards,

Mahudees

From: Lajos Katona <katonalala@gmail.com>
Date: Monday, 4 December 2023 at 2:05 PM
To: Mahudeeswaran Palanisamy <mahudeeswaran.palanisamy@gigamon.com>
Cc: openstack-discuss@lists.openstack.org <openstack-discuss@lists.openstack.org>
Subject: Re: [Neutron] - Getting bridge_name of the port from Java sdk

Hi, The patch you referenced was not removing the bridge_name from the binding: vif_details dct actually. I checked in a fresh deployment and the api-ref also and the bridge_name is in the above dict: https: //docs. openstack. org/api-ref/network/v2/index. html#show-port-binding-of-a-port$

Hi,

The patch you referenced was not removing the bridge_name from the binding:vif_details dct actually.

I checked in a fresh deployment and the api-ref also and the bridge_name is in the above dict:

https://docs.openstack.org/api-ref/network/v2/index.html#show-port-binding-of-a-port

$ openstack port show ef304f9c-3945-4cd8-bce7-36503196c94f -c binding_vif_details
+---------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| Field               | Value                                                                                                                                       |
+---------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| binding_vif_details | bound_drivers.0='openvswitch', bridge_name='br-int', connectivity='l2', datapath_type='system', ovs_hybrid_plug='False', port_filter='True' |
+---------------------+---------------------------------------------------------------------------------------------------------------------------------------------+

Could you please give more help what is missing exactly? I am not familiar with java_sdk.

I tested with openstcksdk and the bridge name is as expected in the port's binding:vif_details dict.

Best wishes.

Lajos

Mahudeeswaran Palanisamy <mahudeeswaran.palanisamy@gigamon.com> ezt írta (időpont: 2023. dec. 1., P, 18:13):

Hi All,

Looks like as part of below commit, bridge_name info has been removed from port binding vif_details dictionary. Is there any way that we can get the bridge_name info of a port?

As far as checked we can get this info by checking if port UUID is part of “ports” array in “sudo ovs-vsctl list br” output. But there is no equivalent way to get from Java SDK.

https://github.com/openstack/neutron/commit/569bafbbd5f90a458d781f1e49f099f96c363683#diff-3fb0e47430c01037fddef45c2ce7314f50a3df5ac41dbd604f9581d90f2985bb

Thanks,

Mahudees

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