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[OpenStack Infra <1888736@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/742758
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=fe440bdd6be190588ec4310ef9630285c0acfec6
Submitter: Zuul
Branch:    master

commit fe440bdd6be190588ec4310ef9630285c0acfec6
Author: Flavio Fernandes <flaviof@xxxxxxxxxx>
Date:   Thu Jul 23 19:02:34 2020 -0400

    [ovn]: gracefully handle logical switch ports with tag set to None
    
    AddLSwitchPortCommand takes kwargs as columns and tag is one of them.
    It is possible that tag is provided with the value None and that is
    not valid. The proposed change gracefully handles such cases so the
    transaction is not aborted.
    
    Change-Id: I0f3cb6f534072e166610b417059acbe89302473a
    Closes-Bug: #1888736


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

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https://bugs.launchpad.net/bugs/1888736

Title:
  [OVN]: creating a local switch port that has no tags should not fail

Status in neutron:
  Fix Released

Bug description:
  When creating a network, I see the following error (full log
  attached):

  Jul 23 20:52:06 stack neutron-server[27492]: DEBUG
  neutron.api.rpc.handlers.resources_rpc [None req-6ac75e1f-c23b-46c4
  -9b5a-14e14c235959 admin admin] Pushing event updated for resources:
  {'Network': ['ID=0ab805f8-a386-413c-be2a-
  88240cf5d4af,revision_number=1']} {{(pid=27516) push
  /opt/stack/neutron/neutron/api/rpc/handlers/resources_rpc.py:243}}

  Jul 23 20:52:06 stack neutron-server[27492]: DEBUG ovsdbapp.backend.ovs_idl.transaction [-] Running txn n=1 command(idx=0): LsAddCommand(switch=neutron-0ab805f8-a386-413c-be2a-88240cf5d4af, columns={'external_ids': {'neutron:network_name': 'public', 'neutron:mtu': '1500', 'neutron:revision_number': '1'}, 'other_config': {'mcast_snoop': 'false', 'mcast_flood_unregistere\
  d': 'false'}}, may_exist=True) {{(pid=27516) do_commit /usr/local/lib/python3.6/dist-packages/ovsdbapp/backend/ovs_idl/transaction.py:87}}

  Jul 23 20:52:06 stack neutron-server[27492]: DEBUG
  ovsdbapp.backend.ovs_idl.transaction [-] Running txn n=1
  command(idx=1): AddLSwitchPortCommand(lport=provnet-4ad8f85e-
  e7af-4437-8556-73892bff4076, lswitch=neutron-0ab805f8-a386-413c-be2a-
  88240cf5d4af, may_exist=True, columns={'addresses': ['unknown'],
  'external_ids': {}, 'type': 'localnet', 'tag': None, 'options':
  {'network_name': 'public'}}) {{(pid=27516) do_commit
  /usr/local/lib/python3.6/dist-
  packages/ovsdbapp/backend/ovs_idl/transaction.py:87}}

  Jul 23 20:52:06 stack neutron-server[27492]: ERROR
  ovsdbapp.backend.ovs_idl.vlog [-] attempting to write bad value to
  column tag (ovsdb error: expected integer, got <class 'NoneType'>):
  ovs.db.error.Error: ovsdb error: expected integer, got <class
  'NoneType'>

  
  Steps to reproduce:

  Create a public network in openstack cluster?!?

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