Description of problem:
Package python-oslo-db is missing a way to handle a specific connection error after a failure that the environment should be able to support without problems.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Stop the core resources (Galera, Redis and Rabbit)
2. Wait 20 minutes
3. Start core resources
4. Spawn an instance
ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'sqlalchemy.exc.OperationalError'> (HTTP 500) (Request-ID: req-71c32e29-7dae-4e63-bff8-b5a0610e0f2b)
Verified on osp-10 latest using provided steps by reporter.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.