'Clone a DISCO volume.'

def volumeClone(self, volume_id, volume_name):

    params = {'volumeName': volume_name, 'volumeId': volume_id}
    data = json.dumps(params, sort_keys=True, indent=4, separators=(',', ':    '))
    request = ('%(req_prefix)s/clone' % self.prefix_var)
    r = requests.post(request, data, headers=self.req_headers)
    return r.json()
