Created attachment 576416 [details]
logs

Description of problem:
Trying to add a disk to VM from REST API and sending the wrong storage domain. Getting the following error message:

from rest logs:
2012-04-09 15:42:20,124 - MainThread - vms - DEBUG - Response code is valid: [200, 201]
2012-04-09 15:42:20,125 - MainThread - vms - DEBUG - CREATE request content is --  url:https://10.35.97.13:8443/api/vms/b6b75b8d-9bf7-48e7-959b-8c9a5412f288/disks body:<disk><storage_domains><storage_domain id='
2301584f-65f9-4103-8b6e-2983047e6720'/></storage_domains><size>2147483648</size><type>data</type><interface>ide</interface><format>cow</format><sparse>true</sparse></disk>
2012-04-09 15:42:20,374 - MainThread - vms - DEBUG - Response body for CREATE request is: <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<fault>
    <reason>Operation Failed</reason>
    <detail>[Cannot add Virtual Machine Disk. The target Data Center does not contain the Virtual Machine Disk.]</detail>
</fault>

2012-04-09 15:42:20,374 - MainThread - vms - ERROR - Response code is not valid, expected is:  [200, 201, 202], actual is: 400
2012-04-09 15:42:20,375 - MainThread - vms - DEBUG - GET request content is --  url:https://10.35.97.13:8443/api/vms/b6b75b8d-9bf7-48e7-959b-8c9a5412f288/disks
2012-04-09 15:42:20,493 - MainThread - vms - DEBUG - Response body for GET request is: <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<disks>



Version-Release number of selected component (if applicable):
si1

How reproducible:
Always

Steps to Reproduce:
1. Try to add a disk to vm and send a wrong storage domain
2.
3.
  
Actual results:


Expected results:
Error message should be clear to user 

Additional info: