Hi,
Any clues about this error? It is reproduceable but not consistently.
There are 3 Neutron nodes and 3 OVN DB nodes (RAFT cluster).
It happened when connecting network to router by OpenStack cli.
===================================
2020-08-03 12:30:17.054 22 ERROR ovsdbapp.backend.ovs_idl.transaction
[req-acf33a39-f8b5-4b9f-91d7-0100f1e7c189 - - - - -] OVSDB Error:
{"details":"Transaction causes multiple rows in \"Logical_Switch_Port\" table
to have identical values (\"6ee12e8e-f8e5-46e2-84b7-58b9dc7d9253\") for index
on column \"name\". First row, with UUID b5c36d61-ad55-45bf-90f6-70f6649251c3,
existed in the database before this transaction and was not modified by the
transaction. Second row, with UUID 5498876d-55f6-4364-8db7-f6d591dc9ba9, was
inserted by this transaction.","error":"constraint violation"}
2020-08-03 12:30:17.055 22 ERROR ovsdbapp.backend.ovs_idl.transaction
[req-8b5c1d93-ba88-4259-ab7e-08ee6c57a884 fb4212bf04404c15a19208ca920c1b1a
3e9209736c7146bead16e02b0679f3a1 - default default] Traceback (most recent call
last):
File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/connection.py", line
122, in run
txn.results.put(txn.do_commit())
File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py",
line 118, in do_commit
raise RuntimeError(msg)
RuntimeError: OVSDB Error: {"details":"Transaction causes multiple rows in
\"Logical_Switch_Port\" table to have identical values
(\"6ee12e8e-f8e5-46e2-84b7-58b9dc7d9253\") for index on column \"name\". First
row, with UUID b5c36d61-ad55-45bf-90f6-70f6649251c3, existed in the database
before this transaction and was not modified by the transaction. Second row,
with UUID 5498876d-55f6-4364-8db7-f6d591dc9ba9, was inserted by this
transaction.","error":"constraint violation"}
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers
[req-8b5c1d93-ba88-4259-ab7e-08ee6c57a884 fb4212bf04404c15a19208ca920c1b1a
3e9209736c7146bead16e02b0679f3a1 - default default] Mechanism driver 'ovn'
failed in create_port_postcommit: RuntimeError: OVSDB Error:
{"details":"Transaction causes multiple rows in \"Logical_Switch_Port\" table
to have identical values (\"6ee12e8e-f8e5-46e2-84b7-58b9dc7d9253\") for index
on column \"name\". First row, with UUID b5c36d61-ad55-45bf-90f6-70f6649251c3,
existed in the database before this transaction and was not modified by the
transaction. Second row, with UUID 5498876d-55f6-4364-8db7-f6d591dc9ba9, was
inserted by this transaction.","error":"constraint violation"}
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers Traceback (most
recent call last):
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py", line 477,
in _call_on_drivers
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers
getattr(driver.obj, method_name)(context)
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/mech_driver.py",
line 544, in create_port_postcommit
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers
self._ovn_client.create_port(context._plugin_context, port)
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py",
line 437, in create_port
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers
self._qos_driver.create_port(txn, port)
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib64/python3.6/contextlib.py", line 88, in __exit__
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers next(self.gen)
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/impl_idl_ovn.py",
line 184, in transaction
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers yield t
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib64/python3.6/contextlib.py", line 88, in __exit__
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers next(self.gen)
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/ovsdbapp/api.py", line 119, in transaction
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers del
self._nested_txns_map[cur_thread_id]
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/ovsdbapp/api.py", line 69, in __exit__
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers self.result =
self.commit()
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py",
line 62, in commit
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers raise
result.ex
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/connection.py", line
122, in run
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers
txn.results.put(txn.do_commit())
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py",
line 118, in do_commit
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers raise
RuntimeError(msg)
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers RuntimeError:
OVSDB Error: {"details":"Transaction causes multiple rows in
\"Logical_Switch_Port\" table to have identical values
(\"6ee12e8e-f8e5-46e2-84b7-58b9dc7d9253\") for index on column \"name\". First
row, with UUID b5c36d61-ad55-45bf-90f6-70f6649251c3, existed in the database
before this transaction and was not modified by the transaction. Second row,
with UUID 5498876d-55f6-4364-8db7-f6d591dc9ba9, was inserted by this
transaction.","error":"constraint violation"}
2020-08-03 12:30:17.056 22 ERROR neutron.plugins.ml2.managers
2020-08-03 12:30:17.058 22 ERROR neutron.plugins.ml2.plugin
[req-8b5c1d93-ba88-4259-ab7e-08ee6c57a884 fb4212bf04404c15a19208ca920c1b1a
3e9209736c7146bead16e02b0679f3a1 - default default]
mechanism_manager.create_port_postcommit failed, deleting port
'6ee12e8e-f8e5-46e2-84b7-58b9dc7d9253':
neutron.plugins.ml2.common.exceptions.MechanismDriverError
===================================
Thanks!
Tony
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