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Message queue for Ubuntu
OpenStack uses a message queue to coordinate operations and status
information among services. The message queue service typically runs on
the controller node. OpenStack supports several message queue services
including RabbitMQ, Qpid, and ZeroMQ. However, most distributions that
package OpenStack support a particular message queue service. This guide
implements the RabbitMQ message queue service because most distributions
support it. If you prefer to implement a different message queue
service, consult the documentation associated with it.
The message queue runs on the controller node.
Install and configure components
Install the package:
# apt install rabbitmq-serverAdd the
openstackuser:# rabbitmqctl add_user openstack RABBIT_PASS Creating user "openstack" ...Replace
RABBIT_PASSwith a suitable password.Permit configuration, write, and read access for the
openstackuser:# rabbitmqctl set_permissions openstack ".*" ".*" ".*" Setting permissions for user "openstack" in vhost "/" ...