'List the quota set for a tenant.
For a full list of available parameters, please refer to the official
API reference:
http://developer.openstack.org/api-ref-compute-v2.1.html/#show-a-quota
http://developer.openstack.org/api-ref-compute-v2.1.html/#show-the-detail-of-quota'

def show_quota_set(self, tenant_id, user_id=None, detail=False):

    params = {}
    url = ('os-quota-sets/%s' % tenant_id)
    if detail:
        url += '/detail'
    if user_id:
        params.update({'user_id': user_id})
    if params:
        url += ('?%s' % urllib.urlencode(params))
    (resp, body) = self.get(url)
    body = json.loads(body)
    if detail:
        self.validate_response(schema.get_quota_set_details, resp, body)
    else:
        self.validate_response(schema.get_quota_set, resp, body)
    return rest_client.ResponseBody(resp, body)
