NeCTAR is working very hard to release Trove soon. It is currently in test.
Trove is the database as a service component of OpenStack that will let users manage multiple instances of different database management systems (DBMS), both relational and NoSQL, using a common infrastructure. It makes database capacity available that can be consumed on-demand, and handles complete database lifecycle management.
NeCTAR will initially release Trove to support MariaDB and will release other database types depending on demand.
As well as allowing developers to launch database servers, on-demand from a web-based UI, Trove also provides APIs to automate tasks like backup, clustering, replication and failover and does it in a way that leverages the native tools of the underlying database engines it supports.