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alerta_alerta/alerta/common/amqp.py
2013-02-27 18:10:44 +00:00

68 lines
2 KiB
Python

"""
NOT IMPLEMENTED YET
"""
import kombu
from alerta import common
from alerta.common import config
LOG = common.LOG
CONF = config.CONF
def notify(conf, context, topic, msg, connection_pool, envelope):
"""Sends a notification event on a topic."""
LOG.debug(_('Sending %(event_type)s on %(topic)s'),
dict(event_type=msg.get('event_type'),
topic=topic))
pack_context(msg, context)
with ConnectionContext(conf, connection_pool) as conn:
if envelope:
msg = rpc_common.serialize_msg(msg, force_envelope=True)
conn.notify_send(topic, msg)
from kombu import Connection, Exchange, Queue
media_exchange = Exchange('media', 'direct', durable=True)
video_queue = Queue('video', exchange=media_exchange, routing_key='video')
def process_media(body, message):
print body
message.ack()
# connections
with Connection('amqp://guest:guest@localhost//') as conn:
# produce
with conn.Producer(serializer='json') as producer:
producer.publish({'name': '/tmp/lolcat1.avi', 'size': 1301013},
exchange=media_exchange, routing_key='video',
declare=[video_queue])
# the declare above, makes sure the video queue is declared
# so that the messages can be delivered.
# It's a best practice in Kombu to have both publishers and
# consumers declare the queue. You can also declare the
# queue manually using:
# video_queue(conn).declare()
# consume
with conn.Consumer(video_queue, callbacks=[process_media]) as consumer:
# Process messages and handle events on all channels
while True:
conn.drain_events()
# Consume from several queues on the same channel:
video_queue = Queue('video', exchange=media_exchange, key='video')
image_queue = Queue('image', exchange=media_exchange, key='image')
with connection.Consumer([video_queue, image_queue],
callbacks=[process_media]) as consumer:
while True:
connection.drain_events()