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[Aleksandr Chudinov <2083832@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Neutron fills neutron:host_id within external_ids values for router gateway OVN logical switch ports with the hostname of the chassis.
If a failover happens, binding_host_id in router gateway port is updated with new host in neutron DB, while external_ids:neutron:host_id in OVN database remains old.

Steps to reproduce:
1. Create a router with external gateway set
2. Check binding_host_id for router gateway port in neutron and external_ids:neutron:host_id on lsp in OVN database
3. Initiate failover (for example turn off the host where port was binded)
4. Check binding_host_id for router gateway port and external_ids:neutron:host_id

** Affects: neutron
     Importance: Undecided
         Status: New

** Description changed:

  Neutron fills neutron:host_id within external_ids values for router gateway OVN logical switch ports with the hostname of the chassis.
- If a failover happens, binding_host_id in router gateway port is updated with new host, while external_ids:neutron:host_id in OVN database remains old.
+ If a failover happens, binding_host_id in router gateway port is updated with new host in neutron DB, while external_ids:neutron:host_id in OVN database remains old.
  
  Steps to reproduce:
  1. Create a router with external gateway set
- 2. Check binding_host_id for router gateway port and external_ids:neutron:host_id
+ 2. Check binding_host_id for router gateway port in neutron and external_ids:neutron:host_id on lsp in OVN database
  3. Initiate failover (for example turn off the host where port was binded)
  4. Check binding_host_id for router gateway port and external_ids:neutron:host_id

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https://bugs.launchpad.net/bugs/2083832

Title:
  [OVN] Host_id value on lsp for router gateway is not updated on
  failover

Status in neutron:
  New

Bug description:
  Neutron fills neutron:host_id within external_ids values for router gateway OVN logical switch ports with the hostname of the chassis.
  If a failover happens, binding_host_id in router gateway port is updated with new host in neutron DB, while external_ids:neutron:host_id in OVN database remains old.

  Steps to reproduce:
  1. Create a router with external gateway set
  2. Check binding_host_id for router gateway port in neutron and external_ids:neutron:host_id on lsp in OVN database
  3. Initiate failover (for example turn off the host where port was binded)
  4. Check binding_host_id for router gateway port and external_ids:neutron:host_id

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