Pete Travis 147b342553 device path is optional for cbs ... per https://developer.rackspace.com/docs/cloud-servers/v2/api-reference/svr-basic-operations/#post-attach-volume-to-server-servers-server-id-os-volume-attachments , device is "The name of the device, such as /dev/xvdb. Specify null for auto- assignment."		2017-06-28 12:12:46 -04:00
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ansible	device path is optional for cbs	2017-06-28 12:12:46 -04:00