Comment 1 for bug 1116593

This already exists via a nova command:

curl -i http://192.168.50.131:8774/v2/364160178cda4ce29a501ddfcab4d5a6/servers/547a3884-e07b-48d5-8d38-c864a751c6bc/os-volume_attachments -X GET -H "X-Auth-Project-Id: demo" -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: 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-zCB-AIBATBcMFcxCzAJBgNVBAYTAlVTMQ4wDAYDVQQIEwVVbnNldDEOMAwGA1UEBxMFVW5zZXQxDjAMBgNVBAoTBVVuc2V0MRgwFgYDVQQDEw93d3cuZXhhbXBsZS5jb20CAQEwBwYFKw4DAhowDQYJKoZIhvcNAQEBBQAEgYBNKT+zqUEejdZOqUxzLBuWsMbbyIiwsG6DSSW4WNqu+YZvdx3yHdpIFQ15kq5bJU4OpoBwPgtGCOjJYZjMjB4qRnXg+Hd4ORh6teMPIRhRz1Qv5bkblKsO6-Eev9IOB1qaaH2vXpObQiAVT9Wg8vlyzMY8NDgOQ+eUVZoSpJHkTQ=="; echo
HTTP/1.1 200 OK
X-Compute-Request-Id: req-0719a714-1040-467c-ae39-3f787959b038
Content-Type: application/json
Content-Length: 197
Date: Tue, 26 Feb 2013 23:38:42 GMT

{"volumeAttachments": [{"device": "/dev/vdb", "serverId": "547a3884-e07b-48d5-8d38-c864a751c6bc", "id": "0a05dfa4-36d3-4346-af6e-cae7959b478f", "volumeId": "0a05dfa4-36d3-4346-af6e-cae7959b478f"}]}

It needs to be added to python-novaclient