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[OpenStack Infra <2036118@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/895402
Committed: https://opendev.org/openstack/neutron/commit/3ec7f96cbb0571c401406781562160db75b3b9f5
Submitter: "Zuul (22348)"
Branch:    master

commit 3ec7f96cbb0571c401406781562160db75b3b9f5
Author: Jakub Libosvar <libosvar@xxxxxxxxxx>
Date:   Thu Sep 21 21:06:41 2023 +0000

    ovn: Spawn metadata resources on additional chassis event
    
    Since the additional_chassis column [1] is used during the live
    migration in order to optimize the VM network timeout, we can also use
    this to minimize downtime for the metadata service. The patch adds
    additional match to when new Port Binding is introduced to the chassis
    associated with a node. This triggers the provisioning of metadata
    resources a lot earlier in the process, while the VM is still in paused
    state.
    
    [1]
    https://opendev.org/openstack/neutron/commit/35fade3b5fbe898885338cbe74843e903d4e8a87
    
    Closes-bug: #2036118
    Change-Id: I66fa3c541db54c5f57404681f30b141fe8dad84a
    Signed-off-by: Jakub Libosvar <libosvar@xxxxxxxxxx>


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/2036118

Title:
  VM fails to contact metadata during live-migration

Status in neutron:
  Fix Released

Bug description:
  There is a short outage of metadata service while a VM is live
  migrating to another node.

  Steps to Reproduce:
  1. create a VM
  2. live-migrate it to another compute while querying the metadata service from inside of the vm

  Bugzilla reference:
  https://bugzilla.redhat.com/show_bug.cgi?id=2236159

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