Remove all data containers from the repository except the one image
we intend to reuse for each data container. Adjust compose files to
remove all references to the unique data containers which serve no
purpose other then to take up extra resources.
Needs VOLUME in data containers exported in the compose files.
Change-Id: Id7746110946ef9836180cf57302aaf827e7e5405
Partially-Implements: blueprint one-data-container
This changes are providing support for galera cluster. It's important for
project to has got support for database cluster as a one of the steps to
providing High Avability(HA) in Kolla project
Change-Id: If51bb88ab05972d3b8aa8abbbbd2a5480213a10e
Implemented: blueprint galera-container
