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[Rodolfo Alonso <rodolfo.alonso.hernandez@xxxxxxxxx>]

Public bug reported:

Description:
During the creation or modification of a neutron port, in the ovs_neutron_agent, the OVS tag information is added to the port after calling the SG agent function to setup the port.

Pre-conditions:
File: neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py
Funtion: process_network_ports

Step-by-step:
During the creation or the modification of a neutron port, the following calls are made:
- treat_devices_added_or_updated
- sg_agent.setup_port_filters
- _bind_devices

The problem is the "port" variable if fulfilled with the VLAN OVS tag
information during the _bind_devices call. This information is needed
for some OVS SG driver implementations, for example
https://review.openstack.org/#/c/240957/.

Proposed solution:
Call _bind_devides before the sg_agent call.

** Affects: neutron
     Importance: Undecided
     Assignee: Rodolfo Alonso (rodolfo-alonso-hernandez)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Rodolfo Alonso (rodolfo-alonso-hernandez)

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https://bugs.launchpad.net/bugs/1512636

Title:
  VLAN tag information is added to "port" after calling the agent setup
  port function

Status in neutron:
  New

Bug description:
  Description:
  During the creation or modification of a neutron port, in the ovs_neutron_agent, the OVS tag information is added to the port after calling the SG agent function to setup the port.

  Pre-conditions:
  File: neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py
  Funtion: process_network_ports

  Step-by-step:
  During the creation or the modification of a neutron port, the following calls are made:
  - treat_devices_added_or_updated
  - sg_agent.setup_port_filters
  - _bind_devices

  The problem is the "port" variable if fulfilled with the VLAN OVS tag
  information during the _bind_devices call. This information is needed
  for some OVS SG driver implementations, for example
  https://review.openstack.org/#/c/240957/.

  Proposed solution:
  Call _bind_devides before the sg_agent call.

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