root / snf-cyclades-app / synnefo / logic / queues.py @ 996ddb98
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# Copyright 2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are
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# those of the authors and should not be interpreted as representing official
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# policies, either expressed or implied, of GRNET S.A.
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from synnefo.settings import BACKEND_PREFIX_ID, DEBUG, EXCHANGE_GANETI |
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try:
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prefix = BACKEND_PREFIX_ID.split('-')[0] |
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except TypeError, IndexError: |
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raise Exception("Invalid BACKEND_PREFIX_ID") |
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# EXCHANGES
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EXCHANGES = (EXCHANGE_GANETI,) |
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# QUEUES
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QUEUE_OP = "%s-events-op" % prefix
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QUEUE_NETWORK = "%s-events-network" % prefix
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QUEUE_PROGRESS = "%s-events-progress" % prefix
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QUEUE_CLUSTER = "%s-events-cluster" % prefix
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QUEUES = (QUEUE_OP, |
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QUEUE_NETWORK, |
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QUEUE_PROGRESS, |
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QUEUE_CLUSTER) |
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# ROUTING KEYS
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# notifications of type "ganeti-op-status"
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KEY_OP = 'ganeti.%s.event.op' % prefix
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# notifications of type "ganeti-network-status"
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KEY_NETWORK = 'ganeti.%s.event.network' % prefix
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# notifications of type "ganeti-create-progress"
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KEY_PROGRESS = 'ganeti.%s.event.progress' % prefix
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KEY_CLUSTER = 'ganeti.event.cluster'
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# BINDINGS:
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BINDINGS = ( |
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# Queue # Exchange # RouteKey # Handler
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(QUEUE_OP, EXCHANGE_GANETI, KEY_OP, 'update_db'),
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(QUEUE_NETWORK, EXCHANGE_GANETI, KEY_NETWORK, 'update_network'),
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(QUEUE_PROGRESS, EXCHANGE_GANETI, KEY_PROGRESS, 'update_build_progress'),
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(QUEUE_CLUSTER, EXCHANGE_GANETI, KEY_CLUSTER, 'update_cluster'),
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) |
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## Extra for DEBUG:
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if DEBUG is True: |
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# Debug queue, retrieves all messages
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QUEUE_DEBUG = "%s-debug" % prefix
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QUEUES += (QUEUE_DEBUG,) |
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BINDINGS += ((QUEUE_DEBUG, EXCHANGE_GANETI, "#", "dummy_proc"),) |
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def convert_queue_to_dead(queue): |
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"""Convert the name of a queue to the corresponding dead-letter one"""
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return queue + "-dl" |
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def convert_exchange_to_dead(exchange): |
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"""Convert the name of an exchange to the corresponding dead-letter one"""
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return exchange + "-dl" |