:param descriptor: can be a dict, or a yaml/json text. Autodetect unless descriptor_format is provided
:param descriptor_format: Can be 'json' or 'yaml'
:param kwargs: Overrides descriptor with values as name, description, vim_url, vim_url_admin, vim_type
:param descriptor: can be a dict, or a yaml/json text. Autodetect unless descriptor_format is provided
:param descriptor_format: Can be 'json' or 'yaml'
:param kwargs: Overrides descriptor with values as name, description, vim_url, vim_url_admin, vim_type