James Gu ba43f07726 Add cassandra support ... Support Cassandra db installation and Cassandra related configurations for Monasca api and persister services in devstack. Add Monasca rest API Cassandra plugin for retrieving metric, dimension, measurement, statistics and alarms. Change-Id: Ie60d668692e1f25f555dda2355f4e513d582736c story: 2001231 task: 5759		2017-12-15 19:11:00 +00:00
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monasca_schema.cql	Add cassandra support	2017-12-15 19:11:00 +00:00