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74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
# Copyright (c) 2015 Ansible, Inc.
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# All Rights Reserved.
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# Python
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import json
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import logging
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import os
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# Django
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from django.conf import settings
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# Kombu
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from kombu import Connection, Exchange, Producer
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from kombu.serialization import registry
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__all__ = ['CallbackQueueDispatcher']
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# use a custom JSON serializer so we can properly handle !unsafe and !vault
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# objects that may exist in events emitted by the callback plugin
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# see: https://github.com/ansible/ansible/pull/38759
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class AnsibleJSONEncoder(json.JSONEncoder):
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def default(self, o):
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if getattr(o, 'yaml_tag', None) == '!vault':
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return o.data
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return super(AnsibleJSONEncoder, self).default(o)
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registry.register(
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'json-ansible',
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lambda obj: json.dumps(obj, cls=AnsibleJSONEncoder),
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lambda obj: json.loads(obj),
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content_type='application/json',
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content_encoding='utf-8'
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)
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class CallbackQueueDispatcher(object):
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def __init__(self):
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self.callback_connection = getattr(settings, 'BROKER_URL', None)
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self.connection_queue = getattr(settings, 'CALLBACK_QUEUE', '')
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self.connection = None
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self.exchange = None
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self.logger = logging.getLogger('awx.main.queue.CallbackQueueDispatcher')
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def dispatch(self, obj):
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if not self.callback_connection or not self.connection_queue:
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return
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active_pid = os.getpid()
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for retry_count in range(4):
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try:
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if not hasattr(self, 'connection_pid'):
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self.connection_pid = active_pid
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if self.connection_pid != active_pid:
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self.connection = None
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if self.connection is None:
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self.connection = Connection(self.callback_connection)
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self.exchange = Exchange(self.connection_queue, type='direct')
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producer = Producer(self.connection)
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producer.publish(obj,
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serializer='json-ansible',
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compression='bzip2',
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exchange=self.exchange,
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declare=[self.exchange],
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delivery_mode="persistent" if settings.PERSISTENT_CALLBACK_MESSAGES else "transient",
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routing_key=self.connection_queue)
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return
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except Exception as e:
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self.logger.info('Publish Job Event Exception: %r, retry=%d', e,
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retry_count, exc_info=True)
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