Created attachment 1095917 [details]
evm.log while reproducing the issue

Description of problem:

Got error in refreshing provider  Expected(200) <=> Actual(500 InternalServerError) excon.error.response :body => "{\"computeFault\": {\"mes... 
Installed via director 8.0.0-1.el7os

Version-Release number of selected component (if applicable):

5.5.0.10-beta2.1.20151110134042_d6f5459

How reproducible:
Always reproduced

Steps to Reproduce:
1.login CFME
2.create new provider: cloud -> provider-> configuration-> add new cloud provider
3.configure controller IP and admin password of overcloud
4. refresh by: Configuration-> Refresh relationship and power state
5. refresh browser

Actual results:
Error -> refresh failed
Error - About 2 Hours Ago
Expected(200) <=> Actual(500 InternalServerError) excon.error.response :body => "{\"computeFault\": {\"mes... 


Expected results:
refresh success and all overclouds nodes will be presented

Additional info:
seems like cinder v2 is default in CLIs
Attached evm.log from reproducing the issue
From remote host to controller
curl http://192.0.2.8:8776/V2
{"choices": [{"status": "SUPPORTED", "media-types": [{"base": "application/xml", "type": "application/vnd.openstack.volume+xml;version=1"}, {"base": "application/json", "type": "application/vnd.openstack.volume+json;version=1"}], "id": "v1.0", "links": [{"href": "http://192.0.2.8:8776/v1/V2", "rel": "self"}]}, {"status": "CURRENT", "media-types": [{"base": "application/xml", "type": "application/vnd.openstack.volume+xml;version=1"}, {"base": "application/json", "type": "application/vnd.openstack.volume+json;version=1"}], "id": "v2.0", "links": [{"href": "http://192.0.2.8:8776/v2/V2", "rel": "self"}]}]}