Reviewed: https://review.opendev.org/c/openstack/neutron/+/804405
Committed:
https://opendev.org/openstack/neutron/commit/9e0c075bf169ed6f3d768cf23be6f47aeae0f98e
Submitter: "Zuul (22348)"
Branch: master
commit 9e0c075bf169ed6f3d768cf23be6f47aeae0f98e
Author: Jakub Libosvar <libos...@redhat.com>
Date: Thu Aug 12 16:48:59 2021 +0200
ovn: Don't fail db-sync if port binding changes
During migration from OVS to OVN it can happen that gateway ports are
scheduled to a different gateway chassis when Neutron is running. This
patch doesn't fail in such case. The migration procedure runs the db
sync twice in a row so it should be good to not perform any action when
this happens and let the next migration handle that.
Change-Id: I28a4a5fef20d5049f4887d43006947b434de3d78
Closes-Bug: #1939704
Signed-off-by: Jakub Libosvar <libos...@redhat.com>
** Changed in: neutron
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1939704
Title:
db-sync script may fail when migrating from ovs to ovn
Status in neutron:
Fix Released
Bug description:
During the steps where port bindings are updated [1] there might be a
neutron-server l3 gateway scheduling going on and the port binding for
gateway router ports can change its gateway chassis. It makes the db
sync script fail with following traceback
2021-08-12 06:21:40.738 48 INFO networking_ovn.cmd.neutron_ovn_db_sync_util
[req-988ef422-ae85-41d7-a4a0-1e7b6c68a29e - - - - -] Migrating Neutron database
from OVS to OVN
2021-08-12 06:21:41.300 48 CRITICAL neutron_ovn_db_sync_util
[req-988ef422-ae85-41d7-a4a0-1e7b6c68a29e - - - - -] Unhandled error:
neutron_lib.exceptions.ObjectNotFound: Object
PortBinding(port_id=a95eaa4b-fe5f-4770-9a03-2e76f20c2870,
host=controller-2.redhat.local) not found.
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util Traceback (most
recent call last):
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/bin/neutron-ovn-db-sync-util", line 10, in <module>
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util sys.exit(main())
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/lib/python3.6/site-packages/networking_ovn/cmd/neutron_ovn_db_sync_util.py",
line 233, in main
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util
db_migration.migrate_neutron_database_to_ovn(core_plugin)
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/lib/python3.6/site-packages/networking_ovn/ml2/db_migration.py", line 66,
in migrate_neutron_database_to_ovn
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util pb.update()
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/lib/python3.6/site-packages/neutron/objects/base.py", line 337, in
decorator
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util return
func(self, *args, **kwargs)
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/lib/python3.6/site-packages/neutron/objects/base.py", line 906, in update
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util
self._get_composite_keys()))
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/lib/python3.6/site-packages/neutron/objects/db/api.py", line 86, in
update_object
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util db_obj =
_safe_get_object(obj_cls, context, **kwargs)
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util File
"/usr/lib/python3.6/site-packages/neutron/objects/db/api.py", line 80, in
_safe_get_object
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util id="%s(%s)" %
(obj_cls.db_model.__name__, key))
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util
neutron_lib.exceptions.ObjectNotFound: Object
PortBinding(port_id=a95eaa4b-fe5f-4770-9a03-2e76f20c2870,
host=controller-2.redhat.local) not found.
2021-08-12 06:21:41.300 48 ERROR neutron_ovn_db_sync_util
[1]
https://opendev.org/openstack/neutron/src/commit/caac890c8e121e1bebe33f4e93ab79d4c294db35/neutron/plugins/ml2/drivers/ovn/db_migration.py#L73-L83
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