Add retry_on_deadlock to migration_update DB API
Lots of different things can be updating the same migration
record at the same time (different computes, the API, etc)
and we see DBDeadlock errors on migration_update at times
(and operators that do a lot of migrations have mentioned it
also) so this change simply adds the retry_on_deadlock decorator
to the migration_update DB API method.
Change-Id: I98bbe96e4be5326e18ef2c2ac50c0d24993d52ec
Closes-Bug: #1642537
(cherry picked from commit 74f9bba9c7
)
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@ -4274,6 +4274,7 @@ def migration_create(context, values):
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return migration
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@oslo_db_api.wrap_db_retry(max_retries=5, retry_on_deadlock=True)
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@pick_context_manager_writer
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def migration_update(context, id, values):
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migration = migration_get(context, id)
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