Issue

   Provisiong is failing when we have multiple webui host
   HA enable for ceph rest api IP

Fix:
   Removed the for loop to get all webui host name, it will be taken care the @task framew
   If HA is enable get the cinder vip IP or storage master ip.

Closes Bug: 1386446

Change-Id: I031d994aa2014027da5d97fc14b6b0ae8a15fc17
Merge " Issue" into R2.0