f20b3b1e60
At the moment, aggregate panel has a check whether nova extension is enable or not. However it doesn't check nova is enable or not. So, when operator use non nova, error always occur by this check method. Therefore, this patch will add a check whether nova is enable or not. Closes-Bug: #1591920 Change-Id: I5ad37f16f70f1ac9b95c49b1363d1b23abbb1b94