Warning

This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.

Source code for galaxy.queues

"""

All message queues used by Galaxy

"""

from kombu import Exchange, Queue, Connection

ALL_CONTROL = "control.*"
galaxy_exchange = Exchange('galaxy_core_exchange', type='topic')


[docs]def all_control_queues_for_declare(config, application_stack): """ For in-memory routing (used by sqlalchemy-based transports), we need to be able to build the entire routing table in producers. Refactor later to actually persist this somewhere instead of building it repeatedly. """ possible_stack_queues = [Queue("control.%s.%s" % (config.server_name.split('.')[0], wkr['id']), galaxy_exchange, routing_key='control') for wkr in application_stack.workers()] return possible_stack_queues + [Queue('control.%s' % q, galaxy_exchange, routing_key='control') for q in config.server_names]
[docs]def control_queue_from_config(config): """ Returns a Queue instance with the correct name and routing key for this galaxy process's config """ return Queue("control.%s" % config.server_name, galaxy_exchange, routing_key='control.%s' % config.server_name)
[docs]def connection_from_config(config): if config.amqp_internal_connection: return Connection(config.amqp_internal_connection) else: return None