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, 1386450

Change-Id: I6d50c726c39fffa38ceca15fcb7e09d5fbd5c396
Merge " Issue"