def notify(_context, message):
    """Notifies the recipient of the desired event given the model.

    Log notifications using OpenStack's default logging system.
    """

    priority = message.get('priority',
                           CONF.default_notification_level)
    priority = priority.lower()
    logger = logging.getLogger(
        'helloworld.openstack.common.notification.%s' %
        message['event_type'])
    getattr(logger, priority)(jsonutils.dumps(message))
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

'''messaging based notification driver, with message envelopes'''

from oslo.config import cfg

from helloworld.openstack.common import context as req_context
from helloworld.openstack.common.gettextutils import _
from helloworld.openstack.common import log as logging
from helloworld.openstack.common import rpc

LOG = logging.getLogger(__name__)

notification_topic_opt = cfg.ListOpt(
    'topics', default=['notifications', ],
    help='AMQP topic(s) used for OpenStack notifications')

opt_group = cfg.OptGroup(name='rpc_notifier2',
                         title='Options for rpc_notifier2')

CONF = cfg.CONF
CONF.register_group(opt_group)
CONF.register_opt(notification_topic_opt, opt_group)


def notify(context, message):
    """Sends a notification via RPC."""