This change adds the tooling to use the DB Tables created for pool
config data and the tooling to migrate the config info itself.
Change-Id: If99dbf527ef1ac0f05f15fe77f68f64e357fe0a5
This patch will not remove the existing Devstack integration
in contrib/devstack.
Change-Id: I23ef00bb136e92abc5e69a9bbe1093cad9d2a362
Closes-bug: #1504214