b775123f54
When 'horizon_galera_use_ssl' is True, use an encrypted connection to the database using either a self-signed or user-provided CA certificate. A new non-voting test has been added to verify that the role remains functional when enabling SSL features. Change-Id: Ie7e0e5f7fc89978126d0d735367d8ecf3e007cfc Partial-Bug: 1667789