Try Fetching value from 'cluster' when raise exception
Try Fetching value from 'cluster' when raise exception

Cluster is supported in cinder manage API. We should try
to fetch the user input from 'cluster' as well when raising
exception.

TrivialFix
Closes-Bug: #1732455

Change-Id: I2921113d89662c346ff75081dc7c5ce24ca6c5e2

mahak/cinder,j-griffith/cinder,Datera/cinder,phenoxim/cinder,openstack/cinder,openstack/cinder,Datera/cinder,mahak/cinder,j-griffith/cinder,phenoxim/cinder