113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
# Copyright 2012 - Dark Secret Software Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# This is the worker you run in your OpenStack environment. You need
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# to set TENANT_ID and URL to point to your StackTach web server.
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import json
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import kombu
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import kombu.connection
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import kombu.entity
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import kombu.mixins
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import threading
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import urllib
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import urllib2
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# CHANGE THESE FOR YOUR INSTALLATION ...
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TENANT_ID = 1
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URL = 'http://darksecretsoftware.com/stacktach/%d/data/' % TENANT_ID
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# For now we'll just grab all the fanout messages from compute to scheduler ...
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scheduler_exchange = kombu.entity.Exchange("scheduler_fanout", type="fanout",
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durable=False, auto_delete=True,
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exclusive=True)
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scheduler_queues = [
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# The Queue name has to be unique or we we'll end up with Round Robin
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# behavior from Rabbit, even though it's a Fanout queue. In Nova the
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# queues have UUID's tacked on the end.
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kombu.Queue("scheduler.xxx", scheduler_exchange, durable=False,
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auto_delete=False),
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]
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nova_exchange = kombu.entity.Exchange("nova", type="topic",
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durable=False, auto_delete=False,
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exclusive=False)
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nova_queues = [
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kombu.Queue("monitor", nova_exchange, durable=False, auto_delete=False,
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exclusive=False, routing_key='monitor.*'),
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]
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RABBIT_HOST = "localhost"
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RABBIT_PORT = 5672
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RABBIT_USERID = "guest"
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RABBIT_PASSWORD = "guest"
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RABBIT_VIRTUAL_HOST = "/"
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class SchedulerFanoutConsumer(kombu.mixins.ConsumerMixin):
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def __init__(self, connection):
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self.connection = connection
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def get_consumers(self, Consumer, channel):
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return [Consumer(queues=scheduler_queues,
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callbacks=[self.on_scheduler]),
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Consumer(queues=nova_queues, callbacks=[self.on_nova])]
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def _process(self, body, message):
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routing_key = message.delivery_info['routing_key']
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payload = (routing_key, body)
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jvalues = json.dumps(payload)
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try:
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raw_data = dict(args=jvalues)
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cooked_data = urllib.urlencode(raw_data)
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req = urllib2.Request(URL, cooked_data)
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response = urllib2.urlopen(req)
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page = response.read()
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print page
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except urllib2.HTTPError, e:
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if e.code == 401:
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print "Unauthorized. Correct tenant id of %d?" % TENANT_ID
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print e
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page = e.read()
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print page
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raise
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def on_scheduler(self, body, message):
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# Uncomment if you want periodic compute node status updates.
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# self._process(body, message)
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message.ack()
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def on_nova(self, body, message):
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self._process(body, message)
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message.ack()
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if __name__ == "__main__":
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params = dict(hostname=RABBIT_HOST,
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port=RABBIT_PORT,
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userid=RABBIT_USERID,
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password=RABBIT_PASSWORD,
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virtual_host=RABBIT_VIRTUAL_HOST)
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with kombu.connection.BrokerConnection(**params) as conn:
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consumer = SchedulerFanoutConsumer(conn)
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try:
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consumer.run()
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except KeyboardInterrupt:
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print("bye bye")
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